Laurus Labs Limited

India

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IPC Class
A61K 9/00 - Medicinal preparations characterised by special physical form 8
C07D 498/14 - Ortho-condensed systems 8
A61K 31/00 - Medicinal preparations containing organic active ingredients 7
A61K 31/47 - QuinolinesIsoquinolines 6
C07D 407/12 - Heterocyclic compounds containing two or more hetero rings, at least one ring having oxygen atoms as the only ring hetero atoms, not provided for by group containing two hetero rings linked by a chain containing hetero atoms as chain links 6
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Found results for  patents
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1.

ORAL FILMS OF ANTIPRURITIC DRUGS

      
Application Number 18723444
Status Pending
Filing Date 2022-12-29
First Publication Date 2025-02-20
Owner Laurus Labs Limited (India)
Inventor
  • Velaga, Siva Ramakrishna
  • Rayala, Siva Ramakrishna
  • Pimple, Srikant
  • Uppala, Ananda Haranath

Abstract

The present invention relates to new oral dosage forms of Antipruritic drug(s) and its pharmaceutically acceptable salts thereof for veterinary use, such as for oral administration to animals. More specifically the present invention provides compositions and process for preparing oral film comprising Antipruritic drug(s) and its pharmaceutically acceptable salts thereof.

IPC Classes  ?

  • A61K 9/70 - Web, sheet or filament bases
  • A61K 9/00 - Medicinal preparations characterised by special physical form
  • A61K 31/519 - PyrimidinesHydrogenated pyrimidines, e.g. trimethoprim ortho- or peri-condensed with heterocyclic rings
  • A61K 38/13 - Cyclosporins
  • A61K 47/02 - Inorganic compounds
  • A61K 47/10 - AlcoholsPhenolsSalts thereof, e.g. glycerolPolyethylene glycols [PEG]PoloxamersPEG/POE alkyl ethers
  • A61K 47/26 - Carbohydrates, e.g. sugar alcohols, amino sugars, nucleic acids, mono-, di- or oligo-saccharidesDerivatives thereof, e.g. polysorbates, sorbitan fatty acid esters or glycyrrhizin
  • A61K 47/36 - PolysaccharidesDerivatives thereof, e.g. gums, starch, alginate, dextrin, hyaluronic acid, chitosan, inulin, agar or pectin
  • A61K 47/46 - Ingredients of undetermined constitution or reaction products thereof, e.g. skin, bone, milk, cotton fibre, eggshell, oxgall or plant extracts

2.

PROCESSES FOR PURIFICATION OF BICTEGRAVIR INTERMEDIATES

      
Application Number 18262234
Status Pending
Filing Date 2021-07-21
First Publication Date 2024-09-19
Owner LAURUS LABS LIMITED (India)
Inventor
  • Balusu, Raja Babu
  • Thaimattam, Ram
  • Peddinti, Giri Babu
  • Podile, Nagarjuna
  • Dammalapati, Venkata Lakshmi Narasimha Rao
  • Vasireddi, Uma Maheswar Rao

Abstract

The present invention generally relates to a process for purification of (2R,5S,13aR)-8-methoxy-7,9-dioxo-2,3,4,5,7,9,13,13a-octahydro-2,5-methanopyrido[1′,2′:4,5] pyrazino [2,1-b] [1,3] oxazepine-10-carboxylic acid of Formula I and (2R,5S,13aR)-8-methoxy-7,9-dioxo-N-[(2,4,6-trifluorophenyl)methyl)]-2,3,4,5,7,9,13,13a-octahydro-2,5-methano pyrido-[1′,2′:4,5] pyrazino[2,1-b] [1,3]-oxazepine-10-carboxamide of Formula II, an intermediates for the preparation of bictegravir.

IPC Classes  ?

3.

ORAL FILM OF CFTR MODULATOR(S)

      
Application Number 18549234
Status Pending
Filing Date 2022-03-08
First Publication Date 2024-06-13
Owner LAURUS LABS LIMITED (India)
Inventor
  • Narkhede, Hemant Bhagwat
  • Pimple, Srikant
  • Rayala, Siva Ramakrishna
  • Rao K., Ramgopal
  • Velaga, Siva Ramakrishna
  • Jogala, Satheesh

Abstract

The present invention provides oral film(s) of Cystic fibrosis transmembrane conductance regulator (CFTR) modulator(s) or a pharmaceutically acceptable salt thereof. Further the present invention provides composition and process for preparing oral film(s) comprising Cystic fibrosis transmembrane conductance regulator (CFTR) modulator(s) or a pharmaceutically acceptable salt thereof.

IPC Classes  ?

  • A61K 31/47 - QuinolinesIsoquinolines
  • A61K 9/00 - Medicinal preparations characterised by special physical form
  • A61K 31/404 - Indoles, e.g. pindolol
  • A61K 31/443 - Non-condensed pyridinesHydrogenated derivatives thereof containing further heterocyclic ring systems containing a five-membered ring with oxygen as a ring hetero atom
  • A61K 31/4439 - Non-condensed pyridinesHydrogenated derivatives thereof containing further heterocyclic ring systems containing a five-membered ring with nitrogen as a ring hetero atom, e.g. omeprazole
  • A61K 47/32 - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. carbomers
  • A61K 47/38 - CelluloseDerivatives thereof

4.

AN IMPROVED PROCESS FOR THE PREPARATION OF TRIGONELLINE OR PHARMACEUTICALLY ACCEPTABLE SALTS THEREOF

      
Application Number 17780584
Status Pending
Filing Date 2021-11-02
First Publication Date 2023-11-02
Owner LAURUS LABS LIMITED (India)
Inventor
  • Pottabathini, Narender
  • Madugula, Aravinda Kumar
  • Sakhamuri, Ashok
  • Appani, Ravindra

Abstract

The present invention generally relates to an improved process for the preparation of Trigonelline or pharmaceutically acceptable salts thereof and to processes for its purification.

IPC Classes  ?

5.

PROCESSES FOR PREPARATION OF CABOTEGRAVIR OR ITS PHARMACEUTICALLY ACCEPTABLE SALTS THEREOF

      
Application Number IB2022056314
Publication Number 2023/175386
Status In Force
Filing Date 2022-07-08
Publication Date 2023-09-21
Owner LAURUS LABS LIMITED (India)
Inventor
  • Balusu, Raja Babu
  • Thaimattam, Ram
  • Peddinti, Giri Babu
  • Edupuganti, Rajesh
  • Balumuri, Naga Sivaprasad
  • Akkina, Lavan Kumar
  • Vasireddi, Uma Maheswer Rao

Abstract

The present invention generally relates to processes for preparation and purification of cabotegravir and its intermediate thereof. The present invention further relates to a process for preparation of polymorphic form of cabotegravir and its sodium salt and pharmaceutical composition thereof.

IPC Classes  ?

  • A61K 31/4985 - Pyrazines or piperazines ortho- or peri-condensed with heterocyclic ring systems
  • A61K 31/4355 - Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom ortho- or peri-condensed with heterocyclic ring systems the heterocyclic ring system containing a five-membered ring having oxygen as a ring hetero atom
  • A61K 31/5365 - Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with at least one nitrogen and at least one oxygen as the ring hetero atoms, e.g. 1,2-oxazines ortho- or peri-condensed with heterocyclic ring systems
  • C07D 498/14 - Ortho-condensed systems

6.

PROCESS FOR PREPARATION OF AZABICYCLO [3.1.0] HEXANE INTERMEDIATES

      
Application Number IB2023052509
Publication Number 2023/175526
Status In Force
Filing Date 2023-03-15
Publication Date 2023-09-21
Owner LAURUS LABS LIMITED (India)
Inventor
  • Mekala, Naga Raju
  • Lagadapati, Srinivasa Rao
  • Kola, Lakshmi Kanth
  • Shaik, Firoz
  • Basineni, Pedda Reddaiah
  • Barik, Prasant Kumar
  • Galla, Tirumala Rao
  • Nadella, Madhu Murthy
  • Simhadri, Srinivas
  • Vasireddi, Uma Maheswer Rao

Abstract

The present invention generally relates to a process for preparation of azabicyclo [3.1.0] hexane intermediate of Formula (I), an intermediate for preparation of certain antiviral compounds for example boceprevir and nirmatrelvir. Wherein "R1" is selected from hydrogen, alkyl, aryl or aralkyl.

IPC Classes  ?

  • C07C 215/20 - Compounds containing amino and hydroxy groups bound to the same carbon skeleton having hydroxy groups and amino groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton being saturated the carbon skeleton being saturated and containing rings
  • C07C 233/58 - Carboxylic acid amides having carbon atoms of carboxamide groups bound to carbon atoms of rings other than six-membered aromatic rings having the nitrogen atoms of the carboxamide groups bound to hydrogen atoms or to carbon atoms of unsubstituted hydrocarbon radicals
  • C07C 69/74 - Esters of carboxylic acids having an esterified carboxyl group bound to a carbon atom of a ring other than a six-membered aromatic ring
  • C07D 209/54 - Spiro-condensed

7.

ORAL FILMS OF ANIT-PARASITIC DRUGS

      
Application Number IN2022051136
Publication Number 2023/126969
Status In Force
Filing Date 2022-12-29
Publication Date 2023-07-06
Owner LAURUS LABS LIMITED (India)
Inventor
  • Velaga, Siva Ramakrishna
  • Rayala, Siva Ramakrishna
  • Pimple, Srikant
  • Machha, Ajay

Abstract

The present invention relates to new oral dosage forms of Anti-parasitic drugs and its pharmaceutically acceptable salts thereof for veterinary use, such as for oral administration to animals. More specifically the present invention provides compositions and process for preparing oral film comprising Anti-parasitic drugs and its pharmaceutically acceptable salts thereof.

IPC Classes  ?

8.

ORAL FILMS OF NON-STEROIDAL ANTI-INFLAMMATORY DRUGS

      
Application Number IN2022051137
Publication Number 2023/126970
Status In Force
Filing Date 2022-12-29
Publication Date 2023-07-06
Owner LAURUS LABS LIMITED (India)
Inventor
  • Velaga, Siva Ramakrishna
  • Rayala, Siva Ramakrishna
  • Pimple, Srikant
  • Kavuri, Narendra Kumar

Abstract

The present invention relates to new oral dosage forms of Non-steroidal anti-inflammatory drugs (NSAIDs) and its pharmaceutically acceptable salts thereof for veterinary use, such as for oral administration to animals. More specifically the present invention provides compositions and process for preparing oral film comprising non-steroidal anti-inflammatory drugs (NSAIDs) and its pharmaceutically acceptable salts thereof.

IPC Classes  ?

  • A61K 9/00 - Medicinal preparations characterised by special physical form
  • A61P 29/00 - Non-central analgesic, antipyretic or antiinflammatory agents, e.g. antirheumatic agentsNon-steroidal antiinflammatory drugs [NSAID]

9.

ORAL FILMS OF ANTIPRURITIC DRUGS

      
Application Number IN2022051134
Publication Number 2023/126967
Status In Force
Filing Date 2022-12-29
Publication Date 2023-07-06
Owner LAURUS LABS LIMITED (India)
Inventor
  • Velaga, Siva Ramakrishna
  • Rayala, Siva Ramakrishna
  • Pimple, Srikant
  • Uppala, Ananda Haranath

Abstract

The present invention relates to new oral dosage forms of Antipruritic drug(s) and its pharmaceutically acceptable salts thereof for veterinary use, such as for oral administration to animals. More specifically the present invention provides compositions and process for preparing oral film comprising Antipruritic drug(s) and its pharmaceutically acceptable salts thereof.

IPC Classes  ?

  • A61K 9/00 - Medicinal preparations characterised by special physical form
  • A61P 17/00 - Drugs for dermatological disorders
  • A61P 17/04 - Antipruritics

10.

ORAL FILMS OF ANTI-EMETIC DRUGS

      
Application Number IN2022051138
Publication Number 2023/126971
Status In Force
Filing Date 2022-12-29
Publication Date 2023-07-06
Owner LAURUS LABS LIMITED (India)
Inventor
  • Velaga, Siva Ramakrishna
  • Rayala, Siva Ramakrishna
  • Pimple, Srikant
  • Duggi, Vamshidhar Reddy

Abstract

The present invention relates to new oral dosage forms of Anti-emetic drugs and its pharmaceutically acceptable salts thereof for veterinary use, such as for oral administration to animals. More specifically the present invention provides compositions and process for preparing oral film comprising Anti-emetic drugs and its pharmaceutically acceptable salts thereof.

IPC Classes  ?

  • A61K 9/00 - Medicinal preparations characterised by special physical form
  • A61P 1/08 - Drugs for disorders of the alimentary tract or the digestive system for nausea, cinetosis or vertigoAntiemetics

11.

ORAL FILM OF HIV DRUGS

      
Application Number 17920857
Status Pending
Filing Date 2021-06-25
First Publication Date 2023-05-25
Owner LAURUS LABS LIMITED (India)
Inventor
  • Velaga, Siva Rama Krishna
  • Rayala, Siva Ramakrishna
  • Pimple, Srikant
  • Uppala, Ananda Haranath
  • Duggi, Vamshidhar Reddy
  • Kavuri, Narendra Kumar

Abstract

The present invention provides oral film of HIV/Anti-retroviral drugs and its pharmaceutically acceptable salt thereof, which is useful for the treatment of HIV infections. Further the present invention provides composition and process for preparing oral film of HIV/Anti-retroviral drugs and its pharmaceutically acceptable salt thereof.

IPC Classes  ?

  • A61K 9/00 - Medicinal preparations characterised by special physical form
  • A61K 31/5365 - Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with at least one nitrogen and at least one oxygen as the ring hetero atoms, e.g. 1,2-oxazines ortho- or peri-condensed with heterocyclic ring systems
  • A61K 31/513 - PyrimidinesHydrogenated pyrimidines, e.g. trimethoprim having oxo groups directly attached to the heterocyclic ring, e.g. cytosine
  • A61K 31/427 - Thiazoles not condensed and containing further heterocyclic rings
  • A61K 31/52 - Purines, e.g. adenine
  • A61K 31/675 - Phosphorus compounds having nitrogen as a ring hetero atom, e.g. pyridoxal phosphate
  • A61K 47/38 - CelluloseDerivatives thereof
  • A61K 47/36 - PolysaccharidesDerivatives thereof, e.g. gums, starch, alginate, dextrin, hyaluronic acid, chitosan, inulin, agar or pectin
  • A61K 47/34 - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyesters, polyamino acids, polysiloxanes, polyphosphazines, copolymers of polyalkylene glycol or poloxamers
  • A61K 47/32 - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. carbomers
  • A61K 47/10 - AlcoholsPhenolsSalts thereof, e.g. glycerolPolyethylene glycols [PEG]PoloxamersPEG/POE alkyl ethers
  • A61K 47/44 - Oils, fats or waxes according to two or more groups of Natural or modified natural oils, fats or waxes, e.g. castor oil, polyethoxylated castor oil, montan wax, lignite, shellac, rosin, beeswax or lanolin

12.

METHODS FOR PREPARATION OF ANTHRANILAMIDE AND PYRAZOLE-CARBOXYLATE INTERMEDIATE COMPOUNDS

      
Application Number IB2022059981
Publication Number 2023/073502
Status In Force
Filing Date 2022-10-18
Publication Date 2023-05-04
Owner LAURUS LABS LIMITED (India)
Inventor
  • Simhadri, Srinivas
  • Mekala, Nagaraju
  • Buddepu, Srinivasa Rao
  • Javvaji, Karunakara Rao
  • Cheekati, Chiranjeevi
  • Kuchipudi, Durgaprasad
  • Vasireddi, Uma Maheswer Rao

Abstract

1-41-41-4 alkyl.

IPC Classes  ?

  • A01N 43/56 - 1,2-DiazolesHydrogenated 1,2-diazoles
  • C07D 401/04 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings directly linked by a ring-member-to-ring- member bond
  • C07C 231/02 - Preparation of carboxylic acid amides from carboxylic acids or from esters, anhydrides, or halides thereof by reaction with ammonia or amines
  • C07C 237/30 - Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by amino groups having the carbon atom of at least one of the carboxamide groups bound to a carbon atom of a non-condensed six-membered aromatic ring of the carbon skeleton having the nitrogen atom of the carboxamide group bound to hydrogen atoms or to acyclic carbon atoms

13.

NOVEL PROCESSES FOR PREPARATION OF TEZACAFTOR

      
Application Number 17780268
Status Pending
Filing Date 2021-02-05
First Publication Date 2023-02-23
Owner LAURUS LABS LIMITED (India)
Inventor
  • Bollu, Ravindra Babu
  • Challagonda, Venkateswar Rao
  • Dalasingh, Prasanta
  • Manda, Ananth Reddy
  • Konda, Srikanth
  • Satu, Narender
  • Vasireddi, Uma Maheswer Rao

Abstract

The present invention generally relates to processes for preparation of Tezacaftor and pharmaceutical composition comprising the same. The present invention also encompasses novel intermediates of tezacaftor, processes for its preparation and use of said intermediates in the preparation of tezacaftor.

IPC Classes  ?

  • C07D 405/12 - Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings linked by a chain containing hetero atoms as chain links
  • C07D 405/06 - Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings linked by a carbon chain containing only aliphatic carbon atoms
  • C07D 405/14 - Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing three or more hetero rings
  • C07D 491/052 - Ortho-condensed systems with only one oxygen atom as ring hetero atom in the oxygen-containing ring the oxygen-containing ring being six-membered
  • C07D 317/28 - Radicals substituted by nitrogen atoms
  • C07D 407/12 - Heterocyclic compounds containing two or more hetero rings, at least one ring having oxygen atoms as the only ring hetero atoms, not provided for by group containing two hetero rings linked by a chain containing hetero atoms as chain links

14.

POLYMORPHIC FORMS OF MOLNUPIRAVIR AND ITS PREPARATION THEREOF

      
Application Number IB2022054358
Publication Number 2022/248960
Status In Force
Filing Date 2022-05-11
Publication Date 2022-12-01
Owner LAURUS LABS LIMITED (India)
Inventor
  • Raja Babu, Balusu
  • Thaimattam, Ram
  • Potdar, Shashank
  • Edupuganti, Rajesh
  • Balumuri, Naga Siva Prasad
  • Vasireddi, Uma Maheswer Rao

Abstract

The present invention relates to solid forms of molnupiravir, including its co-crystals, solvates, hydrates and/or polymorphs, processes for their preparation, pharmaceutical compositions containing the same.

IPC Classes  ?

  • C07D 401/04 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings directly linked by a ring-member-to-ring- member bond
  • C07H 19/067 - Pyrimidine radicals with ribosyl as the saccharide radical
  • B01D 9/02 - Crystallisation from solutions

15.

Processes for preparation of dapagliflozin or its solvates or co-crystals thereof

      
Application Number 17857497
Grant Number 12071418
Status In Force
Filing Date 2022-07-05
First Publication Date 2022-11-24
Grant Date 2024-08-27
Owner LAURUS LABS LIMITED (India)
Inventor
  • Vasireddi, Uma Maheswar Rao
  • Dehury, Sanjay Kumar
  • Gutti, Madana Venkata Sudhakar
  • Thopudurthi, Krishna Murthy

Abstract

4 are as described herein.

IPC Classes  ?

16.

PROCESS AND POLYMORPHIC FORMS OF BICTEGRAVIR AND ITS PHARMACEUTICALLY ACCEPTABLE SALTS OR CO-CRYSTALS THEREOF

      
Application Number 17629985
Status Pending
Filing Date 2020-06-18
First Publication Date 2022-09-29
Owner LAURUS LABS LIMITED (India)
Inventor
  • Thaimattam, Ram
  • Radhakrishnan, Sureshbabu
  • Seethamraju, Pavan Kumar
  • Beeravalli, Satheesh
  • Pampana, Uma Maheswara Rao
  • Shamakura, Anil Kumar Reddy
  • Bollu, Ravindra Babu
  • Vasireddi, Uma Maheswer Rao

Abstract

The present invention generally relates to polymorphic forms of bictegravir, its salts, co-crystals, solvates or hydrates thereof and process for the preparation of the same and also relates to pharmaceutical compositions containing the same. The present invention also relates to a process for preparation of bictegravir substantially free from its diastereomer impurity.

IPC Classes  ?

17.

ORAL FILM OF CFTR MODULATOR(S)

      
Document Number 03211232
Status Pending
Filing Date 2022-03-08
Open to Public Date 2022-09-15
Owner LAURUS LABS LIMITED (India)
Inventor
  • Narkhede, Hemant Bhagwat
  • Pimple, Srikant
  • Rayala, Siva Ramakrishna
  • Rao K, Ramgopal
  • Velaga, Siva Ramakrishna
  • Jogala, Satheesh

Abstract

The present invention provides oral film(s) of Cystic fibrosis transmembrane conductance regulator (CFTR) modulator(s) or a pharmaceutically acceptable salt thereof. Further the present invention provides composition and process for preparing oral film(s) comprising Cystic fibrosis transmembrane conductance regulator (CFTR) modulator(s) or a pharmaceutically acceptable salt thereof.

IPC Classes  ?

18.

ORAL FILM OF CFTR MODULATOR(S)

      
Application Number IN2022050207
Publication Number 2022/190126
Status In Force
Filing Date 2022-03-08
Publication Date 2022-09-15
Owner LAURUS LABS LIMITED (India)
Inventor
  • Narkhede, Hemant Bhagwat
  • Pimple, Srikant
  • Rayala, Siva Ramakrishna
  • Rao K, Ramgopal
  • Velaga, Siva Ramakrishna
  • Jogala, Satheesh

Abstract

The present invention provides oral film(s) of Cystic fibrosis transmembrane conductance regulator (CFTR) modulator(s) or a pharmaceutically acceptable salt thereof. Further the present invention provides composition and process for preparing oral film(s) comprising Cystic fibrosis transmembrane conductance regulator (CFTR) modulator(s) or a pharmaceutically acceptable salt thereof.

IPC Classes  ?

19.

PROCESSES FOR PREPARATION OF CHLORANTRANILIPROLE OR A SALT OR ITS INTERMEDIATES THEREOF

      
Application Number IB2021057708
Publication Number 2022/162447
Status In Force
Filing Date 2021-08-23
Publication Date 2022-08-04
Owner LAURUS LABS LIMITED (India)
Inventor
  • Simhadri, Srinivas
  • Mekala, Nagaraju
  • Buddepu, Srinivasa Rao
  • Javvaji, Karunakara Rao
  • Cheekati, Chiranjeevi
  • Lagadapati, Srinivasa Rao
  • Marri, Prabhakar
  • Vasireddi, Uma Maheswer Rao

Abstract

The present invention generally relates to a process for preparation of chlorantraniliprole or a salt thereof. Further, the present invention relates to an improved process for preparation of intermediate of chlorantraniliprole.

IPC Classes  ?

  • C07D 401/04 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings directly linked by a ring-member-to-ring- member bond
  • C07D 231/00 - Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings
  • A01N 43/58 - 1,2-DiazinesHydrogenated 1,2-diazines
  • A01N 37/22 - Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing the group —CO—N, e.g. carboxylic acid amides or imidesThio-analogues thereof the nitrogen atom being directly attached to an aromatic ring system, e.g. anilides

20.

PROCESSES FOR PURIFICATION OF BICTEGRAVIR INTERMEDIATES

      
Application Number IB2021056580
Publication Number 2022/157561
Status In Force
Filing Date 2021-07-21
Publication Date 2022-07-28
Owner LAURUS LABS LIMITED (India)
Inventor
  • Balusu, Raja Babu
  • Thaimattam, Ram
  • Peddinti, Giri Babu
  • Podile, Nagarjuna
  • Dammalapati, Venkata Lakshmi Narasimha Rao
  • Vasireddi, Uma Maheswer Rao

Abstract

The present invention generally relates to a process for purification of (2R,5S,13aR)-8-methoxy-7,9-dioxo-2,3,4,5,7,9,13,13a-octahydro-2,5-methanopyrido[1',2':4,5] pyrazino [2,1-b] [1,3] oxazepine-10-carboxylic acid of Formula I and (2R,5S,13aR)-8-methoxy-7,9-dioxo-N-[(2,4,6-trifluorophenyl)methyl)]-2,3,4,5,7,9,13,13a-octahydro-2,5-methano pyrido-[1',2':4,5] pyrazino[2,1-b][1,3]-oxazepine-10-carboxamide of Formula II, an intermediates for the preparation of bictegravir.

IPC Classes  ?

  • A61K 31/4985 - Pyrazines or piperazines ortho- or peri-condensed with heterocyclic ring systems
  • A61P 31/18 - Antivirals for RNA viruses for HIV

21.

AN IMPROVED PROCESS FOR THE PREPARATION OF TRIGONELLINE OR PHARMACEUTICALLY ACCEPTABLE SALTS THEREOF

      
Application Number IB2021060119
Publication Number 2022/097017
Status In Force
Filing Date 2021-11-02
Publication Date 2022-05-12
Owner LAURUS LABS LIMITED (India)
Inventor
  • Pottabathini, Narender
  • Madugula, Aravinda Kumar
  • Sakhamuri, Ashok
  • Appani, Ravindra

Abstract

The present invention generally relates to an improved process for the preparation of Trigonelline or pharmaceutically acceptable salts thereof and to processes for its purification.

IPC Classes  ?

  • A61K 31/00 - Medicinal preparations containing organic active ingredients
  • C07D 213/80 - AcidsEsters in position 3

22.

Process for preparation of 2-Amino-5-hydroxy propiophenone

      
Application Number 17419378
Grant Number 11434196
Status In Force
Filing Date 2020-01-14
First Publication Date 2022-03-17
Grant Date 2022-09-06
Owner Laurus Labs Limited (India)
Inventor
  • Vasireddi, Uma Maheswer Rao
  • Kintali, Venkata Ramana
  • Dadi, Jagadeeswara Rao
  • Katkuri, Raj Koti
  • Tummu, Sridhar

Abstract

The present invention relates to a process for preparation of 2-Amino-5-hydroxy propiophenone, a key intermediate for the synthesis of camptothecin analogs including 7-Ethyl-10-hydroxycamptothecin (SN-38).

IPC Classes  ?

  • C07C 221/00 - Preparation of compounds containing amino groups and doubly-bound oxygen atoms bound to the same carbon skeleton
  • C07D 491/147 - Ortho-condensed systems the condensed system containing one ring with oxygen as ring hetero atom and two rings with nitrogen as ring hetero atom

23.

ORAL FILM OF HIV DRUGS

      
Document Number 03177406
Status Pending
Filing Date 2021-06-25
Open to Public Date 2021-12-30
Owner LAURUS LABS LIMITED (India)
Inventor
  • Velaga, Siva Rama Krishna
  • Rayala, Siva Ramakrishna
  • Pimple, Srikant
  • Uppala, Ananda Haranath
  • Duggi, Vamshidhar Reddy
  • Kavuri, Narendra Kumar

Abstract

The present invention provides oral film of HIV/Anti-retroviral drugs and its pharmaceutically acceptable salt thereof, which is useful for the treatment of HIV infections. Further the present invention provides composition and process for preparing oral film of HIV/Anti-retroviral drugs and its pharmaceutically acceptable salt thereof.

IPC Classes  ?

  • A61K 9/70 - Web, sheet or filament bases
  • A61K 31/395 - Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
  • A61K 47/14 - Esters of carboxylic acids, e.g. fatty acid monoglycerides, medium-chain triglycerides, parabens or PEG fatty acid esters
  • A61K 47/32 - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. carbomers
  • A61K 47/38 - CelluloseDerivatives thereof
  • A61K 47/40 - CyclodextrinsDerivatives thereof
  • A61P 31/18 - Antivirals for RNA viruses for HIV

24.

ORAL FILM OF HIV DRUGS

      
Application Number IB2021055667
Publication Number 2021/260641
Status In Force
Filing Date 2021-06-25
Publication Date 2021-12-30
Owner LAURUS LABS LIMITED (India)
Inventor
  • Velaga, Siva Rama Krishna
  • Rayala, Siva Ramakrishna
  • Pimple, Srikant
  • Uppala, Ananda Haranath
  • Duggi, Vamshidhar Reddy
  • Kavuri, Narendra Kumar

Abstract

The present invention provides oral film of HIV/Anti-retroviral drugs and its pharmaceutically acceptable salt thereof, which is useful for the treatment of HIV infections. Further the present invention provides composition and process for preparing oral film of HIV/Anti-retroviral drugs and its pharmaceutically acceptable salt thereof.

IPC Classes  ?

  • A61K 31/00 - Medicinal preparations containing organic active ingredients
  • A61P 31/18 - Antivirals for RNA viruses for HIV
  • A61P 31/12 - Antivirals
  • A61K 9/00 - Medicinal preparations characterised by special physical form

25.

Crystalline form of nilotinib hydrochloride, process for its preparation and pharmaceutical composition containing the same

      
Application Number 17283410
Grant Number 12065426
Status In Force
Filing Date 2019-11-05
First Publication Date 2021-12-09
Grant Date 2024-08-20
Owner LAURUS LABS LIMITED (India)
Inventor
  • Thaimattam, Ram
  • Radhakrishnan, Suresh Babu
  • Regandla, Nageswara Rao
  • Dammalapati, Venkata Lakshmi Narasimha Rao
  • Vasireddi, Uma Maheswer Rao

Abstract

The present invention relates to novel crystalline form of nilotinib hydrochloride, process for its preparation and pharmaceutical composition comprising the same.

IPC Classes  ?

  • C07D 401/14 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing three or more hetero rings

26.

Processes for preparation of dapagliflozin or its solvates or co-crystals thereof

      
Application Number 16323335
Grant Number 11427555
Status In Force
Filing Date 2017-08-09
First Publication Date 2021-10-21
Grant Date 2022-08-30
Owner Laurus Labs Limited (India)
Inventor
  • Vasireddi, Uma Maheswar Rao
  • Dehury, Sanjay Kumar
  • Gutti, Madana Venkata Sudhakar
  • Thopudurthi, Krishna Murthy

Abstract

Shown and described are improved processes for the preparation of dapagliflozin of Formula I, or its solvates or co-crystals thereof and intermediates and their use in the preparation of dapagliflozin of Formula I or its solvates or co-crystals thereof.

IPC Classes  ?

27.

Process for purification of protected polycyclic carbamoylpyridone derivatives

      
Application Number 17259279
Grant Number 11634431
Status In Force
Filing Date 2019-07-11
First Publication Date 2021-09-02
Grant Date 2023-04-25
Owner Laurus Labs Limited (India)
Inventor
  • Sitaraman, Srinivasan
  • Sribhashyam, Ravikanth
  • Paladi, Ravinder

Abstract

The present invention relates to a process for purification of protected polycyclic carbamoylpyridone derivatives and its conversion to polycyclic carbamoylpyridone derivatives or its pharmaceutically acceptable salts thereof.

IPC Classes  ?

28.

NOVEL PROCESSES FOR PREPARATION OF TEZACAFTOR

      
Application Number IB2021050949
Publication Number 2021/156811
Status In Force
Filing Date 2021-02-05
Publication Date 2021-08-12
Owner LAURUS LABS LIMITED (India)
Inventor
  • Bollu, Ravindra Babu
  • Challagonda, Venkateswar Rao
  • Dalasingh, Prasanta
  • Manda, Ananth Reddy
  • Konda, Srikanth
  • Satu, Narender
  • Vasireddi, Uma Maheswer Rao

Abstract

The present invention generally relates to processes for preparation of Tezacaftor and pharmaceutical composition comprising the same. The present invention also encompasses novel intermediates of tezacaftor, processes for its preparation and use of said intermediates in the preparation of tezacaftor.

IPC Classes  ?

  • A61K 31/00 - Medicinal preparations containing organic active ingredients
  • A61K 31/04 - Nitro compounds
  • C07D 405/12 - Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings linked by a chain containing hetero atoms as chain links
  • C07D 209/12 - Radicals substituted by oxygen atoms
  • A61P 3/00 - Drugs for disorders of the metabolism

29.

SOLID FORMS OF TEZACAFTOR, PROCESSES FOR THEIR PREPARATION AND PHARMACEUTICAL COMPOSITIONS THEREOF

      
Application Number IB2020060732
Publication Number 2021/095015
Status In Force
Filing Date 2020-11-15
Publication Date 2021-05-20
Owner LAURUS LABS LIMITED (India)
Inventor
  • Thaimattam, Ram
  • Edupuganti, Rajesh
  • Regandla, Nageswara Rao
  • Vasireddi, Uma Maheswara Rao
  • Radhakrishnan, Suresh Babu
  • Seethamraju, Pavan Kumar

Abstract

The present invention relates to solid forms of Tezacaftor, including its co-crystals, solvates, hydrates and/or polymorphs, processes for their preparation, pharmaceutical compositions containing the same and use of such solid forms of Tezacaftor in the preparation of another form of Tezacaftor such as amorphous form of Tezacaftor. The present invention also provides stable amorphous form of Tezacaftor, its preparation and pharmaceutical composition containing the same.

IPC Classes  ?

  • C07D 405/12 - Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings linked by a chain containing hetero atoms as chain links
  • C07C 211/52 - Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to only one six-membered aromatic ring the carbon skeleton being further substituted by halogen atoms or by nitro or nitroso groups
  • A61K 31/404 - Indoles, e.g. pindolol

30.

Process and crystalline forms of Lumacaftor

      
Application Number 17066738
Grant Number 11345684
Status In Force
Filing Date 2020-10-09
First Publication Date 2021-03-04
Grant Date 2022-05-31
Owner Laurus Labs Limited (India)
Inventor
  • Bollu, Ravindra Babu
  • Dalasingh, Prasanta Kumar
  • Dwarampudi, Sushmita
  • Annem, Chandrahasa Reddy
  • Vasireddi, Uma Maheswer Rao

Abstract

The present invention generally relates to crystalline forms of Lumacaftor, processes for its preparation and pharmaceutical compositions thereof. The present invention also relates to an improved process for preparation of Lumacaftor.

IPC Classes  ?

  • C07D 405/12 - Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings linked by a chain containing hetero atoms as chain links
  • A61K 31/443 - Non-condensed pyridinesHydrogenated derivatives thereof containing further heterocyclic ring systems containing a five-membered ring with oxygen as a ring hetero atom

31.

Process and crystalline forms of lumacaftor

      
Application Number 17066748
Grant Number 11345685
Status In Force
Filing Date 2020-10-09
First Publication Date 2021-02-25
Grant Date 2022-05-31
Owner Laurus Labs Limited (India)
Inventor
  • Bollu, Ravindra Babu
  • Dalasingh, Prasanta Kumar
  • Dwarampudi, Sushmita
  • Annem, Chandrahasa Reddy
  • Vasireddi, Uma Maheswer Rao

Abstract

The present invention generally relates to crystalline forms of Lumacaftor, processes for its preparation and pharmaceutical compositions thereof. The present invention also relates to an improved process for preparation of Lumacaftor.

IPC Classes  ?

  • C07D 405/12 - Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings linked by a chain containing hetero atoms as chain links
  • A61K 31/443 - Non-condensed pyridinesHydrogenated derivatives thereof containing further heterocyclic ring systems containing a five-membered ring with oxygen as a ring hetero atom

32.

Stable amorphous form of sacubitril valsartan trisodium complex and processes for preparation thereof

      
Application Number 17028495
Grant Number 11318116
Status In Force
Filing Date 2020-09-22
First Publication Date 2021-02-18
Grant Date 2022-05-03
Owner Laurus Labs Limited (India)
Inventor
  • Bollu, Ravindra Babu
  • Thaimattam, Ram
  • Challagonda, Venkateswar Rao
  • Yasam, Sivarami Reddy
  • Seethamraju, Pavan Kumar
  • Vasireddi, Uma Maheswar Rao

Abstract

The present invention relates to stable amorphous form of sacubitril valsartan trisodium complex and its solid dispersion compounds, processes for their preparation and pharmaceutical composition comprising the same. The present invention also relates to an improved process for the preparation of sacubitril sodium and its use in the preparation of sacubitril valsartan trisodium complex.

IPC Classes  ?

  • C07C 233/47 - Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms having the nitrogen atom of at least one of the carboxamide groups bound to a carbon atom of a hydrocarbon radical substituted by carboxyl groups with the substituted hydrocarbon radical bound to the nitrogen atom of the carboxamide group by an acyclic carbon atom having the carbon atom of the carboxamide group bound to a hydrogen atom or to a carbon atom of an acyclic saturated carbon skeleton
  • A61K 31/41 - Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with two or more ring hetero atoms, at least one of which is nitrogen, e.g. tetrazole
  • A61K 31/197 - Carboxylic acids, e.g. valproic acid having an amino group the amino and the carboxyl groups being attached to the same acyclic carbon chain, e.g. gamma-aminobutyric acid [GABA], beta-alanine, epsilon-aminocaproic acid or pantothenic acid
  • A61K 47/32 - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. carbomers
  • A61K 47/38 - CelluloseDerivatives thereof
  • A61K 31/216 - Esters, e.g. nitroglycerine, selenocyanates of carboxylic acids of acids having aromatic rings, e.g. benactizyne, clofibrate
  • C07D 257/04 - Five-membered rings

33.

Process for the preparation of ivacaftor and its intermediates

      
Application Number 17022930
Grant Number 11414386
Status In Force
Filing Date 2020-09-16
First Publication Date 2020-12-31
Grant Date 2022-08-16
Owner Laurus Labs Limited (India)
Inventor
  • Thatipally, Suresh
  • Reddy, Venkata Krishna
  • Dammalapati, Venkata Lakshmi Narasimha Rao
  • Chava, Satyanarayana

Abstract

The present invention provides processes for the preparation of ivacaftor using novel intermediates and a process for its preparation.

IPC Classes  ?

  • C07D 215/56 - Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen attached in position 3 with oxygen atoms in position 4
  • C07C 235/80 - Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by oxygen atoms having carbon atoms of carboxamide groups and doubly-bound oxygen atoms bound to the same carbon skeleton with the carbon atoms of the carboxamide groups bound to acyclic carbon atoms having carbon atoms of carboxamide groups and keto groups bound to the same carbon atom, e.g. acetoacetamides
  • C07C 237/20 - Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by amino groups having the carbon atoms of the carboxamide groups bound to acyclic carbon atoms of the carbon skeleton the carbon skeleton containing six-membered aromatic rings
  • A61K 31/47 - QuinolinesIsoquinolines

34.

PROCESS AND POLYMORPHIC FORMS OF BICTEGRAVIR AND ITS PHARMACEUTICALLY ACCEPTABLE SALTS OR CO-CRYSTALS THEREOF

      
Application Number IB2020055690
Publication Number 2020/255004
Status In Force
Filing Date 2020-06-18
Publication Date 2020-12-24
Owner LAURUS LABS LIMITED (India)
Inventor
  • Thaimattam, Ram
  • Radhakrishnan, Sureshbabu
  • Seethamraju, Pavan Kumar
  • Beeravalli, Satheesh
  • Pampana, Uma Maheswara Rao
  • Shamakura, Anil Kumar Reddy
  • Bollu, Ravindra Babu
  • Vasireddi, Uma Maheswer Rao

Abstract

The present invention generally relates to polymorphic forms of bictegravir, its salts, co-crystals, solvates or hydrates thereof and process for the preparation of the same and also relates to pharmaceutical compositions containing the same. The present invention also relates to a process for preparation of bictegravir substantially free from its diastereomer impurity.

IPC Classes  ?

  • A61K 31/4985 - Pyrazines or piperazines ortho- or peri-condensed with heterocyclic ring systems
  • C07D 498/22 - Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and oxygen atoms as the only ring hetero atoms in which the condensed system contains four or more hetero rings
  • A61P 31/18 - Antivirals for RNA viruses for HIV

35.

PURIFICATION METHOD OF CARFILZOMIB

      
Application Number IB2020055782
Publication Number 2020/255059
Status In Force
Filing Date 2020-06-19
Publication Date 2020-12-24
Owner LAURUS LABS LIMITED (India)
Inventor
  • Madivada, Balamurali Krishna
  • Mekala, Nagaraju
  • Kola, Lakshmikanth
  • Simhadri, Srinivas
  • Arikatla, Siva Lakshmi Devi

Abstract

The present invention relates to a process for purification of carfilzomib free from its impurities using preparative high performance liquid chromatography (prep-HPLC).

IPC Classes  ?

36.

Process for 3-(4-methyl-1H-imidazol-1-yl)-5-(trifluoromethyl) aniline

      
Application Number 16954936
Grant Number 11053220
Status In Force
Filing Date 2018-12-28
First Publication Date 2020-12-03
Grant Date 2021-07-06
Owner LAURUS LABS LTD (India)
Inventor
  • Bollu, Ravindra Babu
  • Bandlamudi, Veera Narayana
  • Kudirilla, Vivek Kumar
  • Vemula, Rambabu
  • Vasireddi, Uma Maheswer Rao

Abstract

The present invention relates to an improved process for the preparation of 3-(4-methyl-1H-imidazol-1-yl)-5-(trifluoromethyl) aniline of Formula (I).

IPC Classes  ?

  • C07D 233/61 - Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, attached to ring carbon atoms with hydrocarbon radicals, substituted by nitrogen atoms not forming part of a nitro radical, attached to ring nitrogen atoms
  • C07D 401/14 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing three or more hetero rings

37.

POLYMORPHIC FORMS OF APALUTAMIDE AND ITS PREPARATION THEREOF

      
Application Number IB2020054815
Publication Number 2020/234817
Status In Force
Filing Date 2020-05-21
Publication Date 2020-11-26
Owner LAURUS LABS LIMITED (India)
Inventor
  • Thaimattam, Ram
  • Bandlamudi, Veera Narayana
  • Regandla, Nageswara Rao
  • Kudirilla, Vivek Kumar
  • Chirra, Chinna Potuluraiah
  • Edupuganti, Rajesh
  • Bollu, Ravindra Babu

Abstract

The present invention relates to novel crystalline polymorphic forms of apalutamide. The present invention also relates to processes for preparation of amorphous form of apalutamide and pharmaceutical composition containing the same.

IPC Classes  ?

  • C07D 401/04 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings directly linked by a ring-member-to-ring- member bond
  • A61K 31/4439 - Non-condensed pyridinesHydrogenated derivatives thereof containing further heterocyclic ring systems containing a five-membered ring with nitrogen as a ring hetero atom, e.g. omeprazole
  • A61P 35/00 - Antineoplastic agents

38.

Process for the preparation of pazopanib or a pharmaceutically acceptable salt thereof

      
Application Number 16802222
Grant Number 11427570
Status In Force
Filing Date 2020-02-26
First Publication Date 2020-08-20
Grant Date 2022-08-30
Owner Laurus Labs Limited (India)
Inventor
  • Chava, Satyanarayana
  • Gorantla, Seeta Rama Anjaneyulu
  • Indukuri, Venkata Sunil Kumar
  • Dehury, Sanjay Kumar
  • Mekala, Nagaraju
  • Shaik, Jahangeer Baba
  • Kuchipudi, Durga Prasad

Abstract

The present invention is relates to an improved process for the preparation of pazopanib or a pharmaceutically acceptable salts thereof. The present invention also relates to novel polymorphic Forms of pazopanib hydrochloride, and its intermediates thereof.

IPC Classes  ?

  • C07D 403/12 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group containing two hetero rings linked by a chain containing hetero atoms as chain links

39.

Process for the preparation of Pazopanib or a pharmaceutically acceptable salt thereof

      
Application Number 16802273
Grant Number 11299477
Status In Force
Filing Date 2020-02-26
First Publication Date 2020-08-20
Grant Date 2022-04-12
Owner Laurus Labs Limited (India)
Inventor
  • Chava, Satyanarayana
  • Gorantla, Seeta Rama Anjaneyulu
  • Indukuri, Venkata Sunil Kumar
  • Dehury, Sanjay Kumar
  • Mekala, Nagaraju
  • Shaik, Jahangeer Baba
  • Kuchipudi, Durga Prasad

Abstract

The present invention is relates to an improved process for the preparation of pazopanib or a pharmaceutically acceptable salts thereof. The present invention also relates to novel polymorphic Forms of pazopanib hydrochloride, and its intermediates thereof.

IPC Classes  ?

  • C07D 403/12 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group containing two hetero rings linked by a chain containing hetero atoms as chain links

40.

PROCESS FOR THE PREPARATION OF AMORPHOUS CANAGLIFLOZIN SUBSTANTIALLY FREE OF HYDROPEROXIDE IMPURITY

      
Application Number IB2020050642
Publication Number 2020/157644
Status In Force
Filing Date 2020-01-28
Publication Date 2020-08-06
Owner LAURUS LABS LIMITED (India)
Inventor
  • Bollu, Ravindra Babu
  • Bandlamudi, Veera Narayana
  • Vasireddi, Uma Maheswer Rao

Abstract

The present invention provides process for the preparation of amorphous canagliflozin substantially free of hydroperoxide impurity. The present invention also provides pharmaceutical compositions comprising amorphous canagliflozin having less than 50 ppm of hydroperoxide impurity by LC-MS and having less than about 0.1% of anti-oxidant by HPLC.

IPC Classes  ?

  • C07D 409/10 - Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing two hetero rings linked by a carbon chain containing aromatic rings

41.

PROCESS FOR PREPARATION OF 2-AMINO-5-HYDROXY PROPIOPHENONE

      
Application Number IB2020050256
Publication Number 2020/148641
Status In Force
Filing Date 2020-01-14
Publication Date 2020-07-23
Owner LAURUS LABS LIMITED (India)
Inventor
  • Vasireddi, Uma Maheswer Rao
  • Kintali, Venkata Ramana
  • Dadi, Jagadeeswara Rao
  • Katkuri, Raj Koti
  • Tummu, Sridhar

Abstract

The present invention relates to a process for preparation of 2-Amino-5-hydroxypropiophenone, a key intermediate for the synthesis of camptothecin analogs including 7-Ethyl-10-hydroxycamptothecin (SN-38).

IPC Classes  ?

  • C07H 15/26 - Acyclic or carbocyclic radicals, substituted by hetero rings
  • C07C 205/45 - Compounds containing nitro groups bound to a carbon skeleton the carbon skeleton being further substituted by at least one doubly-bound oxygen atom, not being part of a —CHO group
  • C07C 213/02 - Preparation of compounds containing amino and hydroxy, amino and etherified hydroxy or amino and esterified hydroxy groups bound to the same carbon skeleton by reactions involving the formation of amino groups from compounds containing hydroxy groups or etherified or esterified hydroxy groups

42.

Polymorphs of dolutegravir and salts thereof

      
Application Number 16732992
Grant Number 10654872
Status In Force
Filing Date 2020-01-02
First Publication Date 2020-05-19
Grant Date 2020-05-19
Owner Laurus Labs Limited (India)
Inventor
  • Thaimattam, Ram
  • Edupuganti, Rajesh
  • Indukuri, Venkata Sunil Kumar
  • Kalidindi, Srihari Raju
  • Chava, Satyanarayana

Abstract

The present invention relates to novel crystalline forms of dolutegravir, process for its preparation and pharmaceutical composition comprising them.

IPC Classes  ?

  • C07D 498/14 - Ortho-condensed systems
  • A61K 31/5365 - Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with at least one nitrogen and at least one oxygen as the ring hetero atoms, e.g. 1,2-oxazines ortho- or peri-condensed with heterocyclic ring systems

43.

CRYSTALLINE FORM OF NILOTINIB HYDROCHLORIDE, PROCESS FOR ITS PREPARATION AND PHARMACEUTICAL COMPOSITION CONTAINING THE SAME

      
Application Number IB2019059469
Publication Number 2020/095187
Status In Force
Filing Date 2019-11-05
Publication Date 2020-05-14
Owner LAURUS LABS LIMITED (India)
Inventor
  • Thaimattam, Ram
  • Radhakrishnan, Suresh Babu
  • Regandla, Nageswara Rao
  • Dammalapati, Venkata Lakshmi Narasimha Rao
  • Vasireddi, Uma Maheswer Rao

Abstract

The present invention relates to novel crystalline form of nilotinib hydrochloride, process for its preparation and pharmaceutical composition comprising the same.

IPC Classes  ?

  • C07D 401/14 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing three or more hetero rings
  • A61K 31/506 - PyrimidinesHydrogenated pyrimidines, e.g. trimethoprim not condensed and containing further heterocyclic rings

44.

Polymorphs of dolutegravir and salts thereof

      
Application Number 16742326
Grant Number 10647729
Status In Force
Filing Date 2020-01-14
First Publication Date 2020-05-12
Grant Date 2020-05-12
Owner Laurus Labs Limited (India)
Inventor
  • Thaimattam, Ram
  • Edupuganti, Rajesh
  • Indukuri, Venkata Sunil Kumar
  • Kalidindi, Srihari Raju
  • Chava, Satyanarayana

Abstract

The present invention relates to novel crystalline forms of dolutegravir, process for its preparation and pharmaceutical composition comprising them.

IPC Classes  ?

  • C07D 498/14 - Ortho-condensed systems
  • A61K 31/5365 - Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with at least one nitrogen and at least one oxygen as the ring hetero atoms, e.g. 1,2-oxazines ortho- or peri-condensed with heterocyclic ring systems

45.

Process for preparation of empagliflozin or its co-crystals, solvates and their polymorphs thereof

      
Application Number 16619831
Grant Number 11046676
Status In Force
Filing Date 2018-06-05
First Publication Date 2020-04-30
Grant Date 2021-06-29
Owner Laurus Labs Limited (India)
Inventor
  • Vasireddi, Uma Maheswar Rao
  • Dehury, Sanjay Kumar
  • Mekala, Nagaraju
  • Shaik, Jahangeer Baba
  • Lagadapati, Srinivas

Abstract

The present invention relates to process for the preparation of Empagliflozin or its co-crystals, solvates and/or polymorphs thereof. The present invention also relates to novel intermediates used therein, and process for the preparation thereof. The present invention further relates to process for preparation of amorphous and crystalline form of Empagliflozin.

IPC Classes  ?

  • C07D 407/12 - Heterocyclic compounds containing two or more hetero rings, at least one ring having oxygen atoms as the only ring hetero atoms, not provided for by group containing two hetero rings linked by a chain containing hetero atoms as chain links

46.

A PROCESS FOR PURIFICATION OF PROTECTED POLYCYCLIC CARBAMOYLPYRIDONE DERIVATIVES

      
Application Number IB2019055925
Publication Number 2020/012408
Status In Force
Filing Date 2019-07-11
Publication Date 2020-01-16
Owner LAURUS LABS LIMITED (India)
Inventor
  • Sitaraman, Srinivasan
  • Sribhashyam, Ravikanth
  • Paladi, Ravinder

Abstract

The present invention relates to a process for purification of protected polycyclic carbamoylpyridone derivatives and its conversion to polycyclic carbamoylpyridone derivatives or its pharmaceutically acceptable salts thereof.

IPC Classes  ?

  • C07D 498/14 - Ortho-condensed systems
  • A61K 31/4985 - Pyrazines or piperazines ortho- or peri-condensed with heterocyclic ring systems

47.

Process and crystalline forms of lumacaftor

      
Application Number 16476486
Grant Number 10844048
Status In Force
Filing Date 2018-01-06
First Publication Date 2019-12-12
Grant Date 2020-11-24
Owner Laurus Labs Limited (India)
Inventor
  • Bollu, Ravindra Babu
  • Dalasingh, Prasanta Kumar
  • Dwarampudi, Sushmita
  • Annem, Chandrahasa Reddy
  • Vasireddi, Uma Maheswer Rao

Abstract

The present invention generally relates to crystalline forms of Lumacaftor, processes for its preparation and pharmaceutical compositions thereof. The present invention also relates to an improved process for preparation of Lumacaftor.

IPC Classes  ?

  • C07D 405/12 - Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings linked by a chain containing hetero atoms as chain links

48.

Co-crystals of SGLT2 inhibitors, process for their preparation and pharmaceutical compositions thereof

      
Application Number 16530443
Grant Number 11040961
Status In Force
Filing Date 2019-08-02
First Publication Date 2019-11-28
Grant Date 2021-06-22
Owner Laurus Labs Limited (India)
Inventor
  • Chivukula, Kameswar Rao
  • Thaimattam, Ram
  • Bandlamudi, Veeranarayana
  • Padala, Durga Visweswar Rao
  • Gade, Narapa Reddy
  • Regandla, Nageswar Rao
  • Yasam, Sivarami Reddy
  • Moturu, Venkata Rama Krishna Murthy
  • Indukuri, Venkata Sunil Kumar
  • Vasireddi, Uma Maheswar Rao
  • Kalidindi, Srihari Raju
  • Chava, Satyanarayana

Abstract

The present invention provides solid forms of SGLT2 inhibitors, to processes for their preparation and their use in the purification of SGLT2 inhibitors and also provided pharmaceutical compositions comprising them and their use in therapy.

IPC Classes  ?

  • C07D 409/10 - Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing two hetero rings linked by a carbon chain containing aromatic rings
  • C07D 309/10 - Oxygen atoms
  • A61P 3/10 - Drugs for disorders of the metabolism for glucose homeostasis for hyperglycaemia, e.g. antidiabetics
  • A61K 31/7048 - Compounds having saccharide radicals and heterocyclic rings having oxygen as a ring hetero atom, e.g. leucoglucosan, hesperidin, erythromycin, nystatin
  • C07D 407/12 - Heterocyclic compounds containing two or more hetero rings, at least one ring having oxygen atoms as the only ring hetero atoms, not provided for by group containing two hetero rings linked by a chain containing hetero atoms as chain links
  • C07D 211/60 - Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
  • C07D 213/80 - AcidsEsters in position 3
  • C07D 241/24 - Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals

49.

Co-crystals of SGLT2 inhibitors, process for their preparation and pharmaceutical compositions thereof

      
Application Number 16530476
Grant Number 10738038
Status In Force
Filing Date 2019-08-02
First Publication Date 2019-11-21
Grant Date 2020-08-11
Owner Laurus Labs Limited (India)
Inventor
  • Chivukula, Kameswar Rao
  • Thaimattam, Ram
  • Bandlamudi, Veeranarayana
  • Padala, Durga Visweswar Rao
  • Gade, Narapa Reddy
  • Regandla, Nageswar Rao
  • Yasam, Sivarami Reddy
  • Moturu, Venkata Rama Krishna Murthy
  • Indukuri, Venkata Sunil Kumar
  • Vasireddi, Uma Maheswar Rao
  • Kalidindi, Srihari Raju
  • Chava, Satyanarayana

Abstract

The present invention provides solid forms of SGLT2 inhibitors, to processes for their preparation and their use in the purification of SGLT2 inhibitors and also provided pharmaceutical compositions comprising them and their use in therapy.

IPC Classes  ?

  • C07D 409/10 - Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing two hetero rings linked by a carbon chain containing aromatic rings
  • C07D 309/10 - Oxygen atoms
  • A61P 3/10 - Drugs for disorders of the metabolism for glucose homeostasis for hyperglycaemia, e.g. antidiabetics
  • A61K 31/7048 - Compounds having saccharide radicals and heterocyclic rings having oxygen as a ring hetero atom, e.g. leucoglucosan, hesperidin, erythromycin, nystatin
  • C07D 407/12 - Heterocyclic compounds containing two or more hetero rings, at least one ring having oxygen atoms as the only ring hetero atoms, not provided for by group containing two hetero rings linked by a chain containing hetero atoms as chain links
  • C07D 211/60 - Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
  • C07D 213/80 - AcidsEsters in position 3
  • C07D 241/24 - Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals

50.

Co-crystals of SGLT2 inhibitors, process for their preparation and pharmaceutical compositions thereof

      
Application Number 16530521
Grant Number 10836753
Status In Force
Filing Date 2019-08-02
First Publication Date 2019-11-21
Grant Date 2020-11-17
Owner Laurus Labs Limited (India)
Inventor
  • Chivukula, Kameswar Rao
  • Thaimattam, Ram
  • Bandlamudi, Veeranarayana
  • Padala, Durga Visweswar Rao
  • Gade, Narapa Reddy
  • Regandla, Nageswar Rao
  • Yasam, Sivarami Reddy
  • Moturu, Venkata Rama Krishna Murthy
  • Indukuri, Venkata Sunil Kumar
  • Vasireddi, Uma Maheswar Rao
  • Kalidindi, Srihari Raju
  • Chava, Satyanarayana

Abstract

The present invention provides solid forms of SGLT2 inhibitors, to processes for their preparation and their use in the purification of SGLT2 inhibitors and also provided pharmaceutical compositions comprising them and their use in therapy.

IPC Classes  ?

  • C07D 409/10 - Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing two hetero rings linked by a carbon chain containing aromatic rings
  • C07D 241/24 - Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
  • C07D 213/80 - AcidsEsters in position 3
  • A61P 3/10 - Drugs for disorders of the metabolism for glucose homeostasis for hyperglycaemia, e.g. antidiabetics
  • A61K 31/7048 - Compounds having saccharide radicals and heterocyclic rings having oxygen as a ring hetero atom, e.g. leucoglucosan, hesperidin, erythromycin, nystatin
  • C07D 407/12 - Heterocyclic compounds containing two or more hetero rings, at least one ring having oxygen atoms as the only ring hetero atoms, not provided for by group containing two hetero rings linked by a chain containing hetero atoms as chain links
  • C07D 309/10 - Oxygen atoms
  • C07D 211/60 - Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals

51.

Process for the preparation of ivacaftor

      
Application Number 16520626
Grant Number 10815202
Status In Force
Filing Date 2019-07-24
First Publication Date 2019-11-14
Grant Date 2020-10-27
Owner Laurus Labs Limited (India)
Inventor
  • Thatipally, Suresh
  • Reddy, Venkata Krishna
  • Dammalapati, Venkata Lakshmi Narasimha Rao
  • Chava, Satyanarayana

Abstract

The present invention provides processes for the preparation of ivacaftor using novel intermediates and a process for its preparation.

IPC Classes  ?

  • C07D 215/56 - Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen attached in position 3 with oxygen atoms in position 4
  • C07C 235/80 - Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by oxygen atoms having carbon atoms of carboxamide groups and doubly-bound oxygen atoms bound to the same carbon skeleton with the carbon atoms of the carboxamide groups bound to acyclic carbon atoms having carbon atoms of carboxamide groups and keto groups bound to the same carbon atom, e.g. acetoacetamides
  • C07C 237/20 - Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by amino groups having the carbon atoms of the carboxamide groups bound to acyclic carbon atoms of the carbon skeleton the carbon skeleton containing six-membered aromatic rings
  • A61K 31/47 - QuinolinesIsoquinolines

52.

AN IMPROVED PROCESS FOR PREPARATION OF LOPINAVIR AND ITS INTERMEDIATES THEREOF

      
Application Number IB2019052666
Publication Number 2019/186522
Status In Force
Filing Date 2019-04-01
Publication Date 2019-10-03
Owner LAURUS LABS LIMITED (India)
Inventor
  • Bollu, Ravindra Babu
  • Prasanta, Dalasingh
  • Talluri, Narendra Babu
  • Basineni, Pedda Reddiah
  • Barik, Prasant Kumar
  • Vasireddi, Uma Maheswer Rao

Abstract

The present invention generally relates to an improved process for preparation of lopinavir and its intermediates through formation of tartrate salt of compound of Formula (III).

IPC Classes  ?

  • C07D 207/27 - 2-Pyrrolidones with only hydrogen atoms or radicals containing only hydrogen and carbon atoms directly attached to other ring carbon atoms with substituted hydrocarbon radicals directly attached to the ring nitrogen atom
  • C07C 209/82 - PurificationSeparationStabilisationUse of additives

53.

Stable amorphous form of sacubitril valsartan trisodium complex and processes for preparation thereof

      
Application Number 16340907
Grant Number 10857132
Status In Force
Filing Date 2017-10-10
First Publication Date 2019-09-19
Grant Date 2020-12-08
Owner Laurus Labs Limited (India)
Inventor
  • Bollu, Ravindra Babu
  • Thaimattam, Ram
  • Challagonda, Venkateswar Rao
  • Yasam, Sivarami Reddy
  • Seethamraju, Pavan Kumar
  • Vasireddi, Uma Maheswar Rao

Abstract

The present invention relates to stable amorphous form of sacubitril valsartan trisodium complex and its solid dispersion compounds, processes for their preparation and pharmaceutical composition comprising the same. The present invention also relates to an improved process for the preparation of sacubitril sodium and its use in the preparation of sacubitril valsartan trisodium complex.

IPC Classes  ?

  • C07D 257/04 - Five-membered rings
  • C07C 233/47 - Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms having the nitrogen atom of at least one of the carboxamide groups bound to a carbon atom of a hydrocarbon radical substituted by carboxyl groups with the substituted hydrocarbon radical bound to the nitrogen atom of the carboxamide group by an acyclic carbon atom having the carbon atom of the carboxamide group bound to a hydrogen atom or to a carbon atom of an acyclic saturated carbon skeleton
  • A61K 31/41 - Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with two or more ring hetero atoms, at least one of which is nitrogen, e.g. tetrazole
  • A61K 31/197 - Carboxylic acids, e.g. valproic acid having an amino group the amino and the carboxyl groups being attached to the same acyclic carbon chain, e.g. gamma-aminobutyric acid [GABA], beta-alanine, epsilon-aminocaproic acid or pantothenic acid
  • A61K 47/32 - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. carbomers
  • A61K 47/38 - CelluloseDerivatives thereof
  • A61K 31/216 - Esters, e.g. nitroglycerine, selenocyanates of carboxylic acids of acids having aromatic rings, e.g. benactizyne, clofibrate

54.

Processes for the preparation of carfilzomib or pharmaceutically acceptable salts thereof

      
Application Number 16433862
Grant Number 10800809
Status In Force
Filing Date 2019-06-06
First Publication Date 2019-09-19
Grant Date 2020-10-13
Owner Laurus Labs Limited (India)
Inventor
  • Dehury, Sanjay Kumar
  • Mekala, Nagaraju
  • Shaik, Jahangeer Baba
  • Buddepu, Srinivasa Rao
  • Kola, Lakshmi Kanth
  • Indukuri, Venkata Sunil Kumar
  • Gorantla, Seeta Rama Anjaneyulu
  • Chava, Satyanarayana

Abstract

The present invention relates to an improved process for the preparation of carfilzomib or a pharmaceutically acceptable salt thereof. The present invention also relates to a process for the preparation of amorphous form of carfilzomib.

IPC Classes  ?

  • C07K 5/103 - Tetrapeptides the side chain of the first amino acid being acyclic, e.g. Gly, Ala
  • C07D 303/36 - Compounds containing oxirane rings with hydrocarbon radicals, substituted by nitrogen atoms
  • A61K 9/00 - Medicinal preparations characterised by special physical form
  • C07C 271/22 - Esters of carbamic acids having oxygen atoms of carbamate groups bound to acyclic carbon atoms with the nitrogen atoms of the carbamate groups bound to hydrogen atoms or to acyclic carbon atoms to carbon atoms of hydrocarbon radicals substituted by carboxyl groups
  • C07C 271/16 - Esters of carbamic acids having oxygen atoms of carbamate groups bound to acyclic carbon atoms with the nitrogen atoms of the carbamate groups bound to hydrogen atoms or to acyclic carbon atoms to carbon atoms of hydrocarbon radicals substituted by singly-bound oxygen atoms
  • C07C 271/18 - Esters of carbamic acids having oxygen atoms of carbamate groups bound to acyclic carbon atoms with the nitrogen atoms of the carbamate groups bound to hydrogen atoms or to acyclic carbon atoms to carbon atoms of hydrocarbon radicals substituted by doubly-bound oxygen atoms
  • A61K 38/07 - Tetrapeptides

55.

PIRFENIDONE-CONTAINING TABLET AND CAPSULE FORMULATION

      
Application Number 16181447
Status Pending
Filing Date 2018-11-06
First Publication Date 2019-07-18
Owner
  • Laurus Labs Ltd (India)
  • Alfred E. Tiefenbacher (GmbH & Co. KG) (Germany)
Inventor
  • Gujjar, Chaitanya Yogananda
  • Uppala, Susheel Prakash
  • Dhanala, Harish
  • Donga, Nani Prasad
  • Bandla, Srimannarayana
  • Rallabandi, Bala Ramesha Chary
  • Velaga, Siva Rama Krishna
  • Schlehahn, Hendrik

Abstract

The present invention relates to granules containing pirfenidone and a sugar alcohol, and, furthermore, to the use of the granules for the preparation of an immediate-release tablet or capsule.

IPC Classes  ?

  • A61K 9/16 - AgglomeratesGranulatesMicrobeadlets
  • A61K 31/4418 - Non-condensed pyridinesHydrogenated derivatives thereof having a carbocyclic ring directly attached to the heterocyclic ring, e.g. cyproheptadine
  • A61K 9/48 - Preparations in capsules, e.g. of gelatin, of chocolate
  • A61K 9/20 - Pills, lozenges or tablets

56.

AN IMPROVED PROCESS FOR 3-(4-METHYL-1H-IMIDAZOL-1-YL)-5-(TRIFLUOROMETHYL) ANILINE

      
Application Number IB2018060680
Publication Number 2019/130254
Status In Force
Filing Date 2018-12-28
Publication Date 2019-07-04
Owner LAURUS LABS LTD (India)
Inventor
  • Bollu, Ravindra Babu
  • Bandlamudi, Veera Narayana
  • Kudirilla, Vivek Kumar
  • Vemula, Rambabu
  • Vasireddi, Uma Maheswer Rao

Abstract

The present invention relates to an improved process for the preparation of 3-(4-methyl-1H-imidazol-1-yl)-5-(trifluoromethyl) aniline of Formula (I).

IPC Classes  ?

  • C07D 233/00 - Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings

57.

Process for preparation of Darunavir

      
Application Number 16244900
Grant Number 10544157
Status In Force
Filing Date 2019-01-10
First Publication Date 2019-05-16
Grant Date 2020-01-28
Owner LAURUS LABS LIMITED (India)
Inventor
  • Chivukula, Kameswar R.
  • Murthy, Venkata R.
  • Indukuri, Venkata S.
  • Gorantla, Seeta R.

Abstract

The present invention provides a process for the preparation of darunavir or solvates or a pharmaceutically acceptable salt thereof substantially free of bisfuranyl impurities, particularly darunavir propionate solvate. The present invention also provides a process for preparation amorphous darunavir using the darunavir propionate solvate.

IPC Classes  ?

  • C07D 493/04 - Ortho-condensed systems
  • C07C 303/38 - Preparation of esters or amides of sulfuric acidsPreparation of sulfonic acids or of their esters, halides, anhydrides or amides of amides of sulfonic acids by reaction of ammonia or amines with sulfonic acids, or with esters, anhydrides, or halides thereof

58.

Process for the preparation of enzalutamide

      
Application Number 16134071
Grant Number 10626091
Status In Force
Filing Date 2018-09-18
First Publication Date 2019-05-02
Grant Date 2020-04-21
Owner Laurus Labs Limited (India)
Inventor
  • Chivukula, Kameswar Rao
  • Karuturi, Veera Venkateswara Rao
  • Benda, Srinivas
  • Anke, Ramachandra
  • Gajula, Dharmapuri
  • Moturu, Venkata Rama Krishna Murthy
  • Indukuri, Venkata Sunil Kumar
  • Gorantla, Seeta Rama Anjaneyulu
  • Chava, Satyanarayana

Abstract

The present invention relates to an improved process for the preparation of enzalutamide by conventional synthesis, which avoids utilization of microwave irradiation and noxious reagents. The present invention also relates to an improved process for preparation of 4-isothiocyanato-2-(trifluoromethyl) benzonitrile, which is an intermediate in the synthesis of Enzalutamide.

IPC Classes  ?

  • C07D 233/86 - Oxygen and sulfur atoms, e.g. thiohydantoin
  • C07C 331/28 - Isothiocyanates having isothiocyanate groups bound to carbon atoms of six-membered aromatic rings
  • C07C 333/08 - Monothiocarbamic acidsDerivatives thereof having nitrogen atoms of thiocarbamic groups bound to carbon atoms of six-membered aromatic rings
  • C07C 335/22 - Derivatives of thiourea having nitrogen atoms of thiourea groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton being further substituted by carboxyl groups
  • C07C 335/26 - Y being a hydrogen or a carbon atom, e.g. benzoylthioureas
  • C07C 22/08 - Cyclic compounds containing halogen atoms bound to an acyclic carbon atom having unsaturation in the rings containing six-membered aromatic rings containing fluorine
  • C07C 25/13 - Monocyclic aromatic halogenated hydrocarbons containing fluorine
  • C07C 255/49 - Carboxylic acid nitriles having cyano groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton

59.

Polymorphs of dolutegravir and salts thereof

      
Application Number 15750595
Grant Number 10597404
Status In Force
Filing Date 2016-08-19
First Publication Date 2019-01-24
Grant Date 2020-03-24
Owner Laurus Labs Ltd. (India)
Inventor
  • Thaimattam, Ram
  • Edupuganti, Rajesh
  • Indukuri, Venkata Sunil Kumar
  • Kalidindi, Srihari Raju
  • Chava, Satyanarayana

Abstract

The present invention relates to novel crystalline forms of dolutegravir, process for its preparation and pharmaceutical composition comprising them.

IPC Classes  ?

  • C07D 498/14 - Ortho-condensed systems
  • A61K 31/5365 - Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with at least one nitrogen and at least one oxygen as the ring hetero atoms, e.g. 1,2-oxazines ortho- or peri-condensed with heterocyclic ring systems

60.

Process for the preparation of macitentan

      
Application Number 15779374
Grant Number 10669264
Status In Force
Filing Date 2016-11-30
First Publication Date 2018-12-27
Grant Date 2020-06-02
Owner Laurus Labs Limited (India)
Inventor
  • Jamjanam, Srivardhana Rao
  • Moturu, Venkata Ramakrishna Murthy
  • Indukuri, Venkata Sunil Kumar
  • Kalidindi, Srihari Raju
  • Chava, Satyanarayana

Abstract

The present invention relates to an improved process for the preparation of macitentan and pharmaceutical acceptable salts thereof. Further present invention also relates to methylene chloride solvate of macitentan and their use in the preparation of pure macitentan.

IPC Classes  ?

  • C07D 403/12 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group containing two hetero rings linked by a chain containing hetero atoms as chain links

61.

Co-crystals of SGLT2 inhibitors, process for their preparation and pharmaceutical compositions thereof

      
Application Number 15759562
Grant Number 10428053
Status In Force
Filing Date 2015-09-15
First Publication Date 2018-12-20
Grant Date 2019-10-01
Owner LAURUS LABS LIMITED (India)
Inventor
  • Chivukula, Kameswar Rao
  • Thaimattam, Ram
  • Bandlamudi, Veeranarayana
  • Padala, Durga Visweswar Rao
  • Gade, Narapa Reddy
  • Regandla, Nageswar Rao
  • Yasam, Sivarami Reddy
  • Moturu, Venkata Ramakrishnamurthy
  • Indukuri, Venkata Sunil Kumar
  • Vasireddi, Uma Maheswar Rao
  • Kalidindi, Srihari Raju
  • Chava, Satyanarayana

Abstract

The present invention provides solid forms of SGLT2 inhibitors, to processes for their preparation and their use in the purification of SGLT2 inhibitors and also provided pharmaceutical compositions comprising them and their use in therapy.

IPC Classes  ?

  • C07D 409/10 - Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing two hetero rings linked by a carbon chain containing aromatic rings
  • A61K 31/7048 - Compounds having saccharide radicals and heterocyclic rings having oxygen as a ring hetero atom, e.g. leucoglucosan, hesperidin, erythromycin, nystatin
  • C07D 309/10 - Oxygen atoms
  • C07D 407/12 - Heterocyclic compounds containing two or more hetero rings, at least one ring having oxygen atoms as the only ring hetero atoms, not provided for by group containing two hetero rings linked by a chain containing hetero atoms as chain links
  • C07D 211/60 - Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
  • C07D 213/80 - AcidsEsters in position 3
  • C07D 241/24 - Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
  • A61P 3/10 - Drugs for disorders of the metabolism for glucose homeostasis for hyperglycaemia, e.g. antidiabetics

62.

NOVEL POLYMORPHS OF ELUXADOLINE AND ITS SOLVATES, PROCESS FOR ITS PREPARATION AND PHARMACEUTICAL COMPOSITION THEREOF

      
Application Number IB2018054363
Publication Number 2018/229704
Status In Force
Filing Date 2018-06-14
Publication Date 2018-12-20
Owner LAURUS LABS LIMITED (India)
Inventor
  • Vasireddi, Uma Maheswar Rao
  • Thaimattam, Ram
  • Bollu, Ravindra Babu
  • Radhakrishnan, Suresh Babu
  • Edupuganti, Rajesh
  • Chirra, Chinnapotuluraiah

Abstract

The present invention relates to novel polymorph of eluxadoline namely Form A. The present invention also relates to novel solvates of eluxadoline and process for the preparation and use thereof in the preparation of eluxadoline Form A and its pharmaceutical composition comprising the same.

IPC Classes  ?

63.

NOVEL PROCESS FOR PREPARATION OF EMPAGLIFLOZIN OR ITS CO-CRYSTALS, SOLVATES AND THEIR POLYMORPHS THEREOF

      
Application Number IB2018054013
Publication Number 2018/224957
Status In Force
Filing Date 2018-06-05
Publication Date 2018-12-13
Owner LAURUS LABS LIMITED (India)
Inventor
  • Vasireddi, Uma Maheswar Rao
  • Dehury, Sanjay Kumar
  • Mekala, Nagaraju
  • Shaik, Jahangeer Baba
  • Lagadapati, Srinivas

Abstract

The present invention relates to process for the preparation of Empagliflozin or its co- crystals, solvates and/or polymorphs thereof. The present invention also relates to novel intermediates used therein, and process for the preparation thereof. The present invention further relates to process for preparation of amorphous and crystalline form of Empagliflozin.

IPC Classes  ?

  • C07F 9/00 - Compounds containing elements of Groups 5 or 15 of the Periodic Table

64.

Process for the preparation and particle size reduction of pirfenidone

      
Application Number 16032210
Grant Number 11066368
Status In Force
Filing Date 2018-07-11
First Publication Date 2018-11-22
Grant Date 2021-07-20
Owner Laurus Labs Limited (India)
Inventor
  • Bollu, Ravindra Babu
  • Mandadapu, Venkata Pramod Kumar
  • Indukuri, Venkata Sunil Kumar
  • Chava, Satyanarayana
  • Galla, Tirumala Rao
  • Dadi, Jagadeeswara Rao
  • Vasireddi, Uma Maheswer Rao

Abstract

The present invention relates to an improved process for the preparation of pure pirfenidone having a particular particle size distribution, a crystalline form of pirfenidone, and pharmaceutical compositions thereof, as well as methods for particle size reduction of pirfenidone, and methods for particle size reduction of pirfenidone by wet milling techniques using colloid mill, ultrasonicator, or high speed homogenizer devices.

IPC Classes  ?

  • C07D 213/64 - One oxygen atom attached in position 2 or 6

65.

PROCESS FOR PREPARATION OF AMORPHOUS FORM OF VENETOCLAX

      
Application Number IB2018051641
Publication Number 2018/167652
Status In Force
Filing Date 2018-03-13
Publication Date 2018-09-20
Owner LAURUS LABS LIMITED (India)
Inventor
  • Vasireddi, Uma Maheswer Rao
  • Buddepu, Srinivasa Rao
  • Dehury, Sanjay Kumar

Abstract

The present invention provides a process for the preparation of amorphous form of 4-(4-{[2-(4-chlorophenyl)-4,4-dimethylcyclohex-1-en-1-yl]methyl}piperazin-1-yl)-N-({3-nitro-4-[(tetrahydro-2H-pyran-4yl-methyl)-amino]-phenyl}sulfonyl)-2-(1H-pyrrolo[2,3-b]pyridin-5-yloxy)benzamide (venetoclax) and pharmaceutical composition containing the same.

IPC Classes  ?

66.

PROCESS AND CRYSTALLINE FORMS OF LUMACAFTOR

      
Application Number IB2018050095
Publication Number 2018/127846
Status In Force
Filing Date 2018-01-06
Publication Date 2018-07-12
Owner LAURUS LABS LIMITED (India)
Inventor
  • Bollu, Ravindra Babu
  • Dalasingh, Prasanta Kumar
  • Dwarampudi, Sushmita
  • Annem, Chandrahasa Reddy
  • Vasireddi, Uma Maheswer Rao

Abstract

The present invention generally relates to crystalline forms of Lumacaftor, processes for its preparation and pharmaceutical compositions thereof. The present invention also relates to an improved process for preparation of Lumacaftor.

IPC Classes  ?

  • C07D 405/00 - Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom
  • A61K 31/00 - Medicinal preparations containing organic active ingredients

67.

Process for the preparation of dolutegravir and pharmaceutically acceptable salts thereof

      
Application Number 15809151
Grant Number 10301321
Status In Force
Filing Date 2017-11-10
First Publication Date 2018-06-07
Grant Date 2019-05-28
Owner LAURUS LABS LIMITED (India)
Inventor
  • Chava, Satyanarayana
  • Gorantla, Seeta Rama Anjaneyulu
  • Dammalapati, Venkata Lakshmi Narasimha
  • Kotala, Mani Bushan
  • Aduri, Ravindra

Abstract

The present invention relates to a novel process for the preparation of dolutegravir and pharmaceutically acceptable salts thereof using novel intermediates.

IPC Classes  ?

  • C07D 498/14 - Ortho-condensed systems
  • C07D 213/82 - AmidesImides in position 3
  • C07D 317/30 - Radicals substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
  • C07D 319/06 - 1,3-DioxanesHydrogenated 1,3-dioxanes not condensed with other rings
  • C07C 235/80 - Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by oxygen atoms having carbon atoms of carboxamide groups and doubly-bound oxygen atoms bound to the same carbon skeleton with the carbon atoms of the carboxamide groups bound to acyclic carbon atoms having carbon atoms of carboxamide groups and keto groups bound to the same carbon atom, e.g. acetoacetamides
  • C07C 237/16 - Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by amino groups having the carbon atoms of the carboxamide groups bound to acyclic carbon atoms of the carbon skeleton the carbon skeleton being acyclic and unsaturated

68.

STABLE AMORPHOUS FORM OF SACUBITRIL VALSARTAN TRISODIUM COMPLEX AND PROCESSES FOR PREPARATION THEREOF

      
Application Number IB2017056255
Publication Number 2018/069833
Status In Force
Filing Date 2017-10-10
Publication Date 2018-04-19
Owner LAURUS LABS LIMITED (India)
Inventor
  • Bollu, Ravindra Babu
  • Thaimattam, Ram
  • Challagonda, Venkateswar Rao
  • Yasam, Sivarami Reddy
  • Seethamraju, Pavan Kumar
  • Vasireddi, Uma Maheswar Rao

Abstract

The present invention relates to stable amorphous form of sacubitril valsartan trisodium complex and its solid dispersion compounds, processes for their preparation and pharmaceutical composition comprising the same. The present invention also relates to an improved process for the preparation of sacubitril sodium and its use in the preparation of sacubitril valsartan trisodium complex.

IPC Classes  ?

  • A61K 31/216 - Esters, e.g. nitroglycerine, selenocyanates of carboxylic acids of acids having aromatic rings, e.g. benactizyne, clofibrate
  • A61K 31/41 - Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with two or more ring hetero atoms, at least one of which is nitrogen, e.g. tetrazole
  • C07C 257/04 - Compounds containing carboxyl groups, the doubly-bound oxygen atom of a carboxyl group being replaced by a doubly-bound nitrogen atom, this nitrogen atom not being further bound to an oxygen atom, e.g. imino-ethers, amidines without replacement of the other oxygen atom of the carboxyl group, e.g. imino-ethers
  • C07C 233/47 - Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms having the nitrogen atom of at least one of the carboxamide groups bound to a carbon atom of a hydrocarbon radical substituted by carboxyl groups with the substituted hydrocarbon radical bound to the nitrogen atom of the carboxamide group by an acyclic carbon atom having the carbon atom of the carboxamide group bound to a hydrogen atom or to a carbon atom of an acyclic saturated carbon skeleton

69.

SOLID FORMS OF LUMACAFTOR, PROCESS FOR ITS PREPARATION AND PHARMACEUTICAL COMPOSITIONS THEREOF

      
Application Number IB2017055074
Publication Number 2018/037350
Status In Force
Filing Date 2017-08-23
Publication Date 2018-03-01
Owner LAURUS LABS LIMITED (India)
Inventor
  • Thaimattam, Ram
  • Radhakrishnan, Suresh Babu
  • Vasireddi, Uma Maheswar Rao

Abstract

The present invention generally relates to novel solid forms of lumacaftor, including amorphous form, solvates and/or polymorphs, processes for their preparation, pharmaceutical compositions containing the same and to their use in therapy.

IPC Classes  ?

  • A61K 31/00 - Medicinal preparations containing organic active ingredients

70.

NOVEL PROCESSES FOR PREPARATION OF DAPAGLIFLOZIN OR ITS SOLVATES OR CO-CRYSTALS THEREOF

      
Application Number IB2017054860
Publication Number 2018/029611
Status In Force
Filing Date 2017-08-09
Publication Date 2018-02-15
Owner LAURUS LABS LIMITED (India)
Inventor
  • Vasireddi, Uma Maheswar Rao
  • Dehury, Sanjay Kumar
  • Gutti, Madana Venkata Sudhakar
  • Thopudurthi, Krishna Murthy

Abstract

The present invention generally relates to an improved process for the preparation of dapagliflozin of Formula I or its solvates or co-crystals thereof. The present invention also encompasses the novel intermediates and their use in the preparation of dapagliflozin.

IPC Classes  ?

  • C07D 309/10 - Oxygen atoms
  • A61P 3/10 - Drugs for disorders of the metabolism for glucose homeostasis for hyperglycaemia, e.g. antidiabetics
  • A61K 31/70 - CarbohydratesSugarsDerivatives thereof

71.

AN IMPROVED PROCESS FOR THE PREPARATION OF TENOFOVIR ALAFENAMIDE OR PHARMACEUTICALLY ACCEPTABLE SALTS THEREOF

      
Application Number IB2017053724
Publication Number 2017/221189
Status In Force
Filing Date 2017-06-22
Publication Date 2017-12-28
Owner LAURUS LABS LIMITED (India)
Inventor
  • Bollu, Ravindra Babu
  • Jammula, Veera Venkata Krishna Kishore
  • Talluri, Narendra Babu
  • Namburu, Lakshmana Rao
  • Chirra, Chinnapotuluraiah
  • Thaimattam, Ram
  • Indukuri, Venkata Sunil Kumar

Abstract

The present invention generally relates to an improved process for the preparation of tenofovir alafenamide or pharmaceutically acceptable salts thereof and preparation thereof. The present invention also relates to crystalline forms of monophenyl PMPA, an important intermediate of tenofovir alafenamide, and their preparation.

IPC Classes  ?

  • C07D 473/34 - Nitrogen atom attached in position 6, e.g. adenine

72.

Polymorphs of Ivacaftor, process for its preparation and pharmaceutical composition thereof

      
Application Number 15533595
Grant Number 09957234
Status In Force
Filing Date 2015-12-09
First Publication Date 2017-11-23
Grant Date 2018-05-01
Owner Laurus Labs Limited (India)
Inventor
  • Thaimattam, Ram
  • Dama, Venkata Srinivasa Rao
  • Indukuri, Venkata Sunil Kumar
  • Gorantla, Seeta Rama Anjaneyulu
  • Chava, Satyanarayana

Abstract

The present invention relates to novel polymorphic forms of ivacaftor, process for its preparation and pharmaceutical compositions comprising the same.

IPC Classes  ?

  • C07D 215/56 - Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen attached in position 3 with oxygen atoms in position 4

73.

Process for the preparation of intermediates useful in the preparation of Hepatitis C virus (HCV) inhibitors

      
Application Number 15583722
Grant Number 09957279
Status In Force
Filing Date 2017-05-01
First Publication Date 2017-11-09
Grant Date 2018-05-01
Owner LAURUS LABS LIMITED (India)
Inventor
  • Yalamareddy, Kirshna R.
  • Leigh, Clifton
  • Subramanian, Sankar
  • Mccarron, Stephen
  • Depaolis, Omar
  • Marble, Lyndon

Abstract

The present invention generally relates to a process for preparation of 9-halo-3-(2-haloacetyl)-10,11-dihydro-5H-dibenzo[c,g]chromen-8(9H)-one of Formula I, which is an intermediate in the preparation of Hepatitis C Virus (HCV) inhibitors.

IPC Classes  ?

  • C07D 491/048 - Ortho-condensed systems with only one oxygen atom as ring hetero atom in the oxygen-containing ring the oxygen-containing ring being five-membered
  • C07C 255/54 - Carboxylic acid nitriles having cyano groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton containing cyano groups and etherified hydroxy groups bound to the carbon skeleton
  • C07D 311/78 - Ring systems having three or more relevant rings

74.

NOVEL PROCESS FOR PREPARATION OF IDELALISIB

      
Application Number IB2017052628
Publication Number 2017/191608
Status In Force
Filing Date 2017-05-05
Publication Date 2017-11-09
Owner LAURUS LABS LIMITED (India)
Inventor
  • Dehury, Sanjay Kumar
  • Mekala, Nagaraju
  • Buddepu, Srinivasa Rao
  • Indukuri, Venkata Sunil Kumar
  • Vasireddi, Umamaheswara Rao

Abstract

The present invention provides the process for preparation of idelalisib or a pharmaceutically acceptable salt thereof using novel intermediates. The present invention 0 also provides polymorphic forms of the novel intermediates.

IPC Classes  ?

  • C07D 487/04 - Ortho-condensed systems
  • A61K 31/00 - Medicinal preparations containing organic active ingredients

75.

Process for the preparation of Enzalutamide

      
Application Number 15516206
Grant Number 10131636
Status In Force
Filing Date 2015-10-01
First Publication Date 2017-11-02
Grant Date 2018-11-20
Owner Laurus Labs Limited (India)
Inventor
  • Chivukula, Kameswar R.
  • Karuturi, Veera Venkateswara Rao
  • Benda, Srinivas
  • Anke, Ramachandra
  • Gajula, Dharmapuri
  • Moturu, Venkata Rama Krishna Murthy
  • Indukuri, Venkata S.
  • Gorantla, Seeta Ram Anjaneyulu
  • Chava, Satyanarayana

Abstract

The present invention relates to an improved process for the preparation of enzalutamide by conventional synthesis, which avoids utilization of microwave irradiation and noxious reagents. The present invention also relates to an improved process for preparation of 4-isothiocyanato-2-(trifluoromethyl) benzonitrile, which is an intermediate in the synthesis of Enzalutamide.

IPC Classes  ?

  • C07D 233/86 - Oxygen and sulfur atoms, e.g. thiohydantoin
  • C07C 331/28 - Isothiocyanates having isothiocyanate groups bound to carbon atoms of six-membered aromatic rings
  • C07C 333/08 - Monothiocarbamic acidsDerivatives thereof having nitrogen atoms of thiocarbamic groups bound to carbon atoms of six-membered aromatic rings
  • C07C 335/22 - Derivatives of thiourea having nitrogen atoms of thiourea groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton being further substituted by carboxyl groups
  • C07C 335/26 - Y being a hydrogen or a carbon atom, e.g. benzoylthioureas
  • C07C 22/08 - Cyclic compounds containing halogen atoms bound to an acyclic carbon atom having unsaturation in the rings containing six-membered aromatic rings containing fluorine
  • C07C 25/13 - Monocyclic aromatic halogenated hydrocarbons containing fluorine
  • C07C 255/49 - Carboxylic acid nitriles having cyano groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton

76.

PROCESS FOR PREPARATION OF AMORPHOUS FORM OF IDELALISIB

      
Application Number IB2017052002
Publication Number 2017/175184
Status In Force
Filing Date 2017-04-07
Publication Date 2017-10-12
Owner LAURUS LABS LIMITED (India)
Inventor
  • Mekala, Nagaraju
  • Buddepu, Srinivasa Rao
  • Edupuganti, Rajesh
  • Dehury, Sanjay Kumar
  • Thaimattam, Ram
  • Indukuri, Venkata Sunil Kumar

Abstract

The present invention generally relates to processes for preparation of amorphous form of Idelalisib and pharmaceutical composition comprising the same.

IPC Classes  ?

77.

AN IMPROVED PROCESS FOR THE PREPARATION OF PIRFENIDONE

      
Application Number IB2017050141
Publication Number 2017/122139
Status In Force
Filing Date 2017-01-12
Publication Date 2017-07-20
Owner LAURUS LABS LIMITED (India)
Inventor
  • Bollu, Ravindra Babu
  • Mandadapu, Venkata Pramod Kumar
  • Indukuri, Venkata Sunil Kumar
  • Chava, Satyanarayana

Abstract

The present invention is relates to an improved process for the preparation of pure pirfenidone. The present invention also relates to a crystalline form of pirfenidone and its pharmaceutical composition thereof.

IPC Classes  ?

  • A61K 31/00 - Medicinal preparations containing organic active ingredients

78.

DIASTEREOSELECTIVE SYNTHESIS OF PHOSPHATE DERIVATIVES AND OF THE GEMCITABINE PRODRUG NUC-1031

      
Document Number 03007347
Status In Force
Filing Date 2016-12-09
Open to Public Date 2017-06-15
Grant Date 2020-08-04
Owner
  • NUCANA PLC (United Kingdom)
  • LAURUS LABS LIMITED (India)
Inventor
  • Kotala, Mani Bushan
  • Dammalapati, Venkata Lakshmi Narasimha Rao

Abstract

The present invention provides a method for the preparation of intermediates useful in the synthesis of gemcitabine-[phenyl-benzoxy-L-alaninyl)]-phosphate. It also provides a method of preparing gemcitabine-[phenyl-benzoxy-L-alaninyl)]-phosphate.

IPC Classes  ?

  • C07H 1/00 - Processes for the preparation of sugar derivatives
  • C07H 19/06 - Pyrimidine radicals

79.

Process for preparation of Darunavir

      
Application Number 15211525
Grant Number 10214538
Status In Force
Filing Date 2016-07-15
First Publication Date 2016-12-08
Grant Date 2019-02-26
Owner Laurus Labs Ltd. (India)
Inventor
  • Chivukula, Kameswar R.
  • Murthy, Venkata R.
  • Indukuri, Venkata S.
  • Gorantla, Seeta R.

Abstract

The present invention provides a process for the preparation of darunavir or solvates or a pharmaceutically acceptable salt thereof substantially free of bisfuranyl impurities, particularly darunavir propionate solvate. The present invention also provides a process for preparation amorphous darunavir using the darunavir propionate solvate.

IPC Classes  ?

  • C07D 493/04 - Ortho-condensed systems
  • C07C 303/38 - Preparation of esters or amides of sulfuric acidsPreparation of sulfonic acids or of their esters, halides, anhydrides or amides of amides of sulfonic acids by reaction of ammonia or amines with sulfonic acids, or with esters, anhydrides, or halides thereof

80.

Process for the preparation of dolutegravir and pharmaceutically acceptable salts thereof

      
Application Number 15113080
Grant Number 09856271
Status In Force
Filing Date 2015-01-20
First Publication Date 2016-11-17
Grant Date 2018-01-02
Owner LAURUS LABS LIMITED (India)
Inventor
  • Chava, Satyanarayana
  • Gorantla, Seeta Rama Anjaneyulu
  • Dammalapati, Venkata Lakshmi Narasimha
  • Kotala, Mani Bushan
  • Aduri, Ravindra

Abstract

The present invention relates to a novel process for the preparation of dolutegravir and pharmaceutically acceptable salts thereof using novel intermediates.

IPC Classes  ?

  • C07D 498/14 - Ortho-condensed systems
  • C07D 213/82 - AmidesImides in position 3
  • C07D 317/30 - Radicals substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
  • C07D 319/06 - 1,3-DioxanesHydrogenated 1,3-dioxanes not condensed with other rings
  • C07C 235/80 - Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by oxygen atoms having carbon atoms of carboxamide groups and doubly-bound oxygen atoms bound to the same carbon skeleton with the carbon atoms of the carboxamide groups bound to acyclic carbon atoms having carbon atoms of carboxamide groups and keto groups bound to the same carbon atom, e.g. acetoacetamides
  • C07C 237/16 - Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by amino groups having the carbon atoms of the carboxamide groups bound to acyclic carbon atoms of the carbon skeleton the carbon skeleton being acyclic and unsaturated

81.

Process for the preparation of pazopanib or a pharmaceutically acceptable salt thereof

      
Application Number 15034797
Grant Number 10730859
Status In Force
Filing Date 2014-11-05
First Publication Date 2016-09-29
Grant Date 2020-08-04
Owner Laurus Labs Limited (India)
Inventor
  • Chava, Satyanarayana
  • Gorantla, Seeta Rama Anjaneyulu
  • Indukuri, Venkata Sunil Kumar
  • Dehury, Sanjay Kumar
  • Mekala, Nagaraju
  • Shaik, Jahangeer Baba
  • Kuchipudi, Durga Prasad

Abstract

The present invention is relates to an improved process for the preparation of pazopanib or a pharmaceutically acceptable salts thereof. The present invention also relates to novel polymorphic Forms of pazopanib hydrochloride, and its intermediates thereof.

IPC Classes  ?

  • C07D 403/12 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group containing two hetero rings linked by a chain containing hetero atoms as chain links

82.

Salts of sitagliptin, process from the preparation and pharmaceutical composition therefore

      
Application Number 14872210
Grant Number 09388113
Status In Force
Filing Date 2015-10-01
First Publication Date 2016-05-05
Grant Date 2016-07-12
Owner LAURUS LABS LIMITED (India)
Inventor
  • Indukuri, Venkata Sunil Kumar
  • Gorantla, Seeta Ramanjaneyulu
  • Muppidi, Vamsee Krishna
  • Chava, Satyanarayana

Abstract

The present invention relates to pharmaceutically acceptable acid addition salts of sitagliptin, in particular anti-oxidant acid addition salts of sitagliptin and a process for its preparation. The present invention also provides a pharmaceutical composition using the pharmaceutically acceptable acid addition salts of sitagliptin.

IPC Classes  ?

  • C07C 57/44 - Cinnamic acid
  • C07C 57/42 - Unsaturated compounds having carboxyl groups bound to acyclic carbon atoms containing six-membered aromatic rings having unsaturation outside the rings
  • C07D 487/04 - Ortho-condensed systems

83.

Process for preparing eptifibatide

      
Application Number 14842332
Grant Number 09850285
Status In Force
Filing Date 2015-09-01
First Publication Date 2016-01-21
Grant Date 2017-12-26
Owner LAURUS LABS LIMITED (India)
Inventor
  • Velayudhan, Subha Nair
  • Bollu, Ravindra Babu
  • Indukuri, Venkata S.
  • Gorantla, Seeta R.
  • Kallam, Venkata S.
  • Madivada, Bala M.

Abstract

The present invention provides processes for preparation of eptifibatide that involve coupling of amino acids in a (2+5), (4+3) and (3+4) sequence method. The invention further provides products produced by the described processes, novel compounds that can be used as synthetic intermediates for the preparation of eptifibatide.

IPC Classes  ?

  • C07K 7/64 - Cyclic peptides containing only normal peptide links
  • C07K 7/06 - Linear peptides containing only normal peptide links having 5 to 11 amino acids
  • C07K 5/08 - Tripeptides
  • C07K 5/10 - Tetrapeptides
  • C07K 5/06 - Dipeptides
  • A61K 38/00 - Medicinal preparations containing peptides

84.

Process for the preparation of Ivacaftor and its intermediates

      
Application Number 14768082
Grant Number 09573902
Status In Force
Filing Date 2014-02-14
First Publication Date 2016-01-21
Grant Date 2017-02-21
Owner LAURUS LABS LIMITED (India)
Inventor
  • Thatipally, Suresh
  • Dammalapati, Venkata Lakshmi Narasimha Rao
  • Gorantla, Seeta Ramanjaneyulu
  • Chava, Satyanarayana

Abstract

The present invention provides novel intermediates of ivacaftor and process for its preparation. The present invention also provides process for the preparation of ivacaftor and pharmaceutically acceptable salt thereof using novel intermediates.

IPC Classes  ?

  • A61K 31/47 - QuinolinesIsoquinolines
  • C07D 215/56 - Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen attached in position 3 with oxygen atoms in position 4
  • C07D 215/48 - Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen
  • C07C 227/14 - Preparation of compounds containing amino and carboxyl groups bound to the same carbon skeleton from compounds containing already amino and carboxyl groups or derivatives thereof
  • C07C 227/18 - Preparation of compounds containing amino and carboxyl groups bound to the same carbon skeleton from compounds containing already amino and carboxyl groups or derivatives thereof by reactions involving amino or carboxyl groups, e.g. hydrolysis of esters or amides, by formation of halides, salts or esters
  • C07C 229/30 - Compounds containing amino and carboxyl groups bound to the same carbon skeleton having amino and carboxyl groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton being acyclic and unsaturated

85.

Process for preparation of montelukast sodium

      
Application Number 14395368
Grant Number 09487487
Status In Force
Filing Date 2013-05-14
First Publication Date 2015-10-22
Grant Date 2016-11-08
Owner LAURUS LABS LIMITED (India)
Inventor
  • Simhadri, Srinivas
  • Mohammad, Yaseen
  • Indukuri, Venkata S.
  • Gorantla, Seeta R.
  • Chava, Satyanarayana

Abstract

Disclosed is a process for the preparation of montelukast sodium. The process comprises a) reacting 2-(2-(3(S)-(3-(2-(7-chloro-2-quinolinyl)-ethenyl)phenyl)-3-hydroxypropyl)phenyl)-2-propanol with methane sulfonyl chloride and coupling the resultant mesylate compound with 1-(mercaptomethyl)cyclopropane acetic acid in presence of a base and free alkali source followed by saltification with an amine in a single step reaction and b) converting the montelukast amine salt to montelukast sodium salt.

IPC Classes  ?

86.

Process for preparation of Darunavir

      
Application Number 14415101
Grant Number 09475821
Status In Force
Filing Date 2013-07-23
First Publication Date 2015-07-23
Grant Date 2016-10-25
Owner LAURUS LABS LIMITED (India)
Inventor
  • Chivukula, Kameswar R.
  • Murthy, Venkata R.
  • Indukuri, Venkata S.
  • Gorantla, Seeta R.

Abstract

Provided are a process for preparation of darunavir or solvates or a pharmaceutically acceptable salt thereof substantially free of bisfuranyl impurities and a process for preparation of amorphous darunavir using the darunavir propionate solvate.

IPC Classes  ?

  • C07D 493/04 - Ortho-condensed systems
  • C07D 303/38 - Compounds containing oxirane rings with hydrocarbon radicals, substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
  • C07C 303/38 - Preparation of esters or amides of sulfuric acidsPreparation of sulfonic acids or of their esters, halides, anhydrides or amides of amides of sulfonic acids by reaction of ammonia or amines with sulfonic acids, or with esters, anhydrides, or halides thereof

87.

Process for preparation of 2,3-dihydroxy benzonitrile

      
Application Number 14415527
Grant Number 09567292
Status In Force
Filing Date 2013-07-18
First Publication Date 2015-06-25
Grant Date 2017-02-14
Owner LAURUS LABS LIMITED (India)
Inventor
  • Mudduluru, Hari Krishna
  • Madhavaram, Shankar

Abstract

The present invention relates to one pot process for the preparation of 2,3-dihydroxy benzonitrile from 2,3-dialkoxy benzoic acid without prior isolation of the intermediates. Further the invention relates to the preparation of 2,3-dihydroxy benzonitrile by dealkylation of 2,3-dialkoxy benzonitrile using suitable aluminum salt-amine complex.

IPC Classes  ?

  • C07C 253/30 - Preparation of carboxylic acid nitriles by reactions not involving the formation of cyano groups
  • C07C 231/02 - Preparation of carboxylic acid amides from carboxylic acids or from esters, anhydrides, or halides thereof by reaction with ammonia or amines
  • C07C 253/20 - Preparation of carboxylic acid nitriles by dehydratation of carboxylic acid amides

88.

Process for the preparation of polyhydroxystilbene compounds by deprotection of the corresponding ethers

      
Application Number 14353869
Grant Number 08987525
Status In Force
Filing Date 2012-11-30
First Publication Date 2015-01-29
Grant Date 2015-03-24
Owner LAURUS LABS LIMITED (India)
Inventor
  • Dorwal, Harish Niranjanlal
  • Sabapathy, Sandirane
  • Gorantla, Seeta Raman
  • Chava, Satyanarayana

Abstract

A process for the preparation of polyhydroxystilbene compounds (particularly resveratrol, oxyresveratrol, piceatannol, gnetol and the like) by deprotection of the corresponding ethers using aluminum halide and a secondary amine is provided.

IPC Classes  ?

  • C07C 37/055 - Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by replacing functional groups bound to a six-membered aromatic ring by hydroxy groups, e.g. by hydrolysis by substitution of a group bound to the ring by oxygen, e.g. ether group

89.

Process for the preparation of tenofovir

      
Application Number 14356609
Grant Number 09056882
Status In Force
Filing Date 2012-11-15
First Publication Date 2014-10-09
Grant Date 2015-06-16
Owner LAURUS LABS LIMITED (India)
Inventor
  • Indukuri, Venkata Sunil Kumar
  • Joga, Sree Rambabu
  • Gorantla, Seeta Ramanjaneyulu
  • Chava, Satyanarayana

Abstract

The present invention provides a process for preparation of tenofovir by dealkylation of its phosphonate ester using Ionic complexes. The present invention also provides a process for preparation of tenofovir disoproxil or a salt thereof using the tenofovir of the present invention.

IPC Classes  ?

  • A61K 31/675 - Phosphorus compounds having nitrogen as a ring hetero atom, e.g. pyridoxal phosphate
  • C07F 9/6561 - Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom containing systems of two or more relevant hetero rings condensed among themselves or condensed with a common carbocyclic ring or ring system, with or without other non-condensed hetero rings

90.

Process for preparing eptifibatide

      
Application Number 14235349
Grant Number 09156885
Status In Force
Filing Date 2012-07-26
First Publication Date 2014-06-12
Grant Date 2015-10-13
Owner LAURUS LABS LIMITED (India)
Inventor
  • Velayudhan, Subha Nair
  • Bollu, Ravindra Babu
  • Indukuri, Venkata Sunil Kumar
  • Gorantla, Seeta Ramanjaneyulu
  • Kallam, Venkata Siva Ramakrishna Reddy
  • Madivada, Bala Muralikrishna

Abstract

The present invention provides processes for preparation of eptifibatide that involve coupling of amino acids in a (2+5), (4+3) and (3+4) sequence method. The invention further provides products produced by the described processes, novel compounds that can be used as synthetic intermediates for the preparation of eptifibatide.

IPC Classes  ?

  • C07K 5/08 - Tripeptides
  • C07K 5/10 - Tetrapeptides
  • A61K 38/00 - Medicinal preparations containing peptides
  • C07K 7/06 - Linear peptides containing only normal peptide links having 5 to 11 amino acids

91.

Solid forms of antiretroviral compounds, process for the preparation and their pharmaceutical composition thereof

      
Application Number 13985172
Grant Number 09650346
Status In Force
Filing Date 2012-04-09
First Publication Date 2014-04-03
Grant Date 2017-05-16
Owner LAURUS LABS LIMITED (India)
Inventor
  • Indukuri, Venkata S.
  • Muppidi, Vamsee K.
  • Joga, Sree R.
  • Gorantla, Seeta R.
  • Chava, Satyanarayana

Abstract

Disclosed are solid forms of antiretroviral compounds and anti-oxidative acids, and processes for their preparation. Pharmaceutical compositions using the solid forms are also disclosed.

IPC Classes  ?

  • A01N 57/00 - Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds
  • A61K 31/675 - Phosphorus compounds having nitrogen as a ring hetero atom, e.g. pyridoxal phosphate
  • C07D 235/06 - BenzimidazolesHydrogenated benzimidazoles with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached in position 2
  • A61K 31/513 - PyrimidinesHydrogenated pyrimidines, e.g. trimethoprim having oxo groups directly attached to the heterocyclic ring, e.g. cytosine
  • A61K 31/519 - PyrimidinesHydrogenated pyrimidines, e.g. trimethoprim ortho- or peri-condensed with heterocyclic rings
  • C07D 417/04 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group containing two hetero rings directly linked by a ring-member-to-ring- member bond
  • C07D 473/16 - Heterocyclic compounds containing purine ring systems with oxygen, sulfur, or nitrogen atoms directly attached in positions 2 and 6 two nitrogen atoms
  • C07F 9/6561 - Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom containing systems of two or more relevant hetero rings condensed among themselves or condensed with a common carbocyclic ring or ring system, with or without other non-condensed hetero rings
  • C07D 411/04 - Heterocyclic compounds containing two or more hetero rings, at least one ring having oxygen and sulfur atoms as the only ring hetero atoms containing two hetero rings directly linked by a ring-member-to-ring- member bond

92.

Solid forms of tyrosine kinase inhibitors, process for the preparation and their pharmaceutical composition thereof

      
Application Number 13948578
Grant Number 09895377
Status In Force
Filing Date 2013-07-23
First Publication Date 2014-01-30
Grant Date 2018-02-20
Owner LAURUS LABS LIMITED (India)
Inventor
  • Gorantla, Seeta Ramanjaneyulu
  • Nangia, Ashwini
  • Peraka, Krishna Sumanth
  • Khandavilli, Udaya Bhaskara Rao

Abstract

The present invention generally relates to solid forms of tyrosine kinase inhibitors, in particular combinations of tyrosine kinase inhibitors with anti-oxidative acids, processes for its preparation and a pharmaceutical compositions containing the same.

IPC Classes  ?

  • A61K 31/496 - Non-condensed piperazines containing further heterocyclic rings, e.g. rifampin, thiothixene or sparfloxacin
  • A61K 31/506 - PyrimidinesHydrogenated pyrimidines, e.g. trimethoprim not condensed and containing further heterocyclic rings
  • A61K 31/5377 - 1,4-Oxazines, e.g. morpholine not condensed and containing further heterocyclic rings, e.g. timolol
  • A61K 31/192 - Carboxylic acids, e.g. valproic acid having aromatic groups, e.g. sulindac, 2-aryl-propionic acids, ethacrynic acid
  • A61K 47/12 - Carboxylic acidsSalts or anhydrides thereof
  • A61K 9/14 - Particulate form, e.g. powders

93.

Efficient process to induce enantioselectivity in procarbonyl compounds

      
Application Number 13531011
Grant Number 09073817
Status In Force
Filing Date 2012-06-22
First Publication Date 2012-10-18
Grant Date 2015-07-07
Owner LAURUS LABS LIMITED (India)
Inventor
  • Bollu, Ravindra Babu
  • Ketavarapu, Narasimha Rao
  • Indukuri, Venkata Sunil Kumar
  • Gorantla, Seeta Ramanjaneyulu
  • Chava, Satyanarayana

Abstract

The present invention provides an efficient method to induce the enantioselectivity in procarbonyl compounds using chiral organometallic complexes. The present invention also provides a method for producing chiral organometallic complexes using a chiral additive, achiral additive, a base and a metal salt.

IPC Classes  ?

  • C07C 209/68 - Preparation of compounds containing amino groups bound to a carbon skeleton from amines, by reactions not involving amino groups, e.g. reduction of unsaturated amines, aromatisation, or substitution of the carbon skeleton
  • C07D 265/18 - 1,3-OxazinesHydrogenated 1,3-oxazines condensed with carbocyclic rings or ring systems condensed with one six-membered ring with hetero atoms directly attached in position 2
  • C07F 3/02 - Magnesium compounds

94.

Process for preparing Montelukast and salts thereof

      
Application Number 13474135
Grant Number 08367834
Status In Force
Filing Date 2012-05-17
First Publication Date 2012-09-13
Grant Date 2013-02-05
Owner LAURUS LABS LIMITED (India)
Inventor
  • Indukuri, Venkata Sunil Kumar
  • Simhadri, Srinivas
  • Chava, Satyanarayana

Abstract

A method for the preparation of montelukast and salts thereof has been described. The method comprises of following steps: (a) (S)-1-(3-((E)-2-(7-chloroquinolin-2-yl)vinyl)phenyl)-3-(2-isopropenylphenyljpropyl methane sulphonate (styrene mesylate salt) (b) coupling with 1-(mercaptomethyl)cyclopropane acetic acid followed by salification with an amine gives styrene amine salt (c) Converting styrene amine salt to Montelukast amine salt (d) Converting Montelukast amine salt to Montelukast free acid and or its required alkali/alkaline salt.

IPC Classes  ?

95.

Pterostilbene cocrystals

      
Application Number 12847516
Grant Number 08513236
Status In Force
Filing Date 2010-07-30
First Publication Date 2011-08-04
Grant Date 2013-08-20
Owner LAURUS LABS LIMITED (India)
Inventor
  • Schultheiss, Nathan C.
  • Bethune, Sarah J.

Abstract

Cocrystals of pterostilbene are disclosed, including: pterostilbene:caffeine cocrystal, pterostilbene:carbamazepine cocrystal, pterostilbene:glutaric acid cocrystal, and pterostilbene:piperazine cocrystal. The pterostilbene:caffeine cocrystal is polymorphic. Forms I and II of the pterostilbene:caffeine cocrystal are disclosed. The therapeutic uses of the pterostilbene cocrystals and of pharmaceutical/nutraceutical compositions containing them are also disclosed. The disclosure sets out various methods of making and characterizing the pterostilbene cocrystals.

IPC Classes  ?

  • A61P 39/06 - Free radical scavengers or antioxidants
  • A61K 31/55 - Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having seven-membered rings, e.g. azelastine, pentylenetetrazole
  • C07D 223/18 - DibenzazepinesHydrogenated dibenzazepines

96.

Pterostilbene cocrystals

      
Application Number 12847557
Grant Number 08415507
Status In Force
Filing Date 2010-07-30
First Publication Date 2011-08-04
Grant Date 2013-04-09
Owner LAURUS LABS LIMITED (India)
Inventor
  • Schultheiss, Nathan C.
  • Bethune, Sarah J.

Abstract

Cocrystals of pterostilbene are disclosed, including: pterostilbene:caffeine cocrystal, pterostilbene:carbamazepine cocrystal, pterostilbene:glutaric acid cocrystal, and pterostilbene:piperazine cocrystal. The pterostilbene:caffeine cocrystal is polymorphic. Forms I and II of the pterostilbene:caffeine cocrystal are disclosed. The therapeutic uses of the pterostilbene cocrystals and of pharmaceutical/nutraceutical compositions containing them are also disclosed. The disclosure sets out various methods of making and characterizing the pterostilbene cocrystals.

IPC Classes  ?

  • C07C 43/215 - Ethers having an ether-oxygen atom bound to a carbon atom of a six-membered aromatic ring having unsaturation outside the six-membered aromatic rings
  • C07D 241/02 - Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings not condensed with other rings

97.

Pterostilbene cocrystals

      
Application Number 12847482
Grant Number 08399712
Status In Force
Filing Date 2010-07-30
First Publication Date 2011-08-04
Grant Date 2013-03-19
Owner LAURUS LABS LIMITED (India)
Inventor
  • Schultheiss, Nathan C.
  • Bethune, Sarah J.

Abstract

Cocrystals of pterostilbene are disclosed, including: pterostilbene:caffeine cocrystal, pterostilbene:carbamazepine cocrystal, pterostilbene:glutaric acid cocrystal, and pterostilbene:piperazine cocrystal. The pterostilbene:caffeine cocrystal is polymorphic. Forms I and II of the pterostilbene:caffeine cocrystal are disclosed. The therapeutic uses of the pterostilbene cocrystals and of pharmaceutical/nutraceutical compositions containing them are also disclosed. The disclosure sets out various methods of making and characterizing the pterostilbene cocrystals.

IPC Classes  ?

  • C07C 43/215 - Ethers having an ether-oxygen atom bound to a carbon atom of a six-membered aromatic ring having unsaturation outside the six-membered aromatic rings
  • C07D 473/00 - Heterocyclic compounds containing purine ring systems

98.

Pterostilbene cocrystals

      
Application Number 12847535
Grant Number 08318807
Status In Force
Filing Date 2010-07-30
First Publication Date 2011-08-04
Grant Date 2012-11-27
Owner LAURUS LABS LIMITED (India)
Inventor
  • Schultheiss, Nathan C.
  • Bethune, Sarah J.

Abstract

Cocrystals of pterostilbene are disclosed, including: pterostilbene:caffeine cocrystal, pterostilbene:carbamazepine cocrystal, pterostilbene:glutaric acid cocrystal, and pterostilbene:piperazine cocrystal. The pterostilbene:caffeine cocrystal is polymorphic. Forms I and II of the pterostilbene:caffeine cocrystal are disclosed. The therapeutic uses of the pterostilbene cocrystals and of pharmaceutical/nutraceutical compositions containing them are also disclosed. The disclosure sets out various methods of making and characterizing the pterostilbene cocrystals.

IPC Classes  ?

  • A61K 31/19 - Carboxylic acids, e.g. valproic acid
  • C07C 55/12 - Glutaric acid
  • C07C 43/215 - Ethers having an ether-oxygen atom bound to a carbon atom of a six-membered aromatic ring having unsaturation outside the six-membered aromatic rings

99.

Key intermediate for the preparation of Stilbenes, solid forms of Pterostilbene, and methods for making the same

      
Application Number 13011593
Grant Number 08524782
Status In Force
Filing Date 2011-01-21
First Publication Date 2011-06-16
Grant Date 2013-09-03
Owner LAURUS LABS LIMITED (India)
Inventor
  • Subbaraju, Gottumukkala V.
  • Mahesh, Masna
  • Mohan, Hindupur R.
  • Suresh, Thatipally
  • Ivanisevic, Igor
  • Andres, Mark
  • Stephens, Kyle

Abstract

The present invention provides a scalable process for the preparation of stilbenes by (i) condensing 3,5-dialkylbenzyl phosphonates with 4′-O-tetrahydropyranyl benzaldehyde to get 3,5-alkyl-4′-O-tetrahydropyranyl Stilbene and (ii) deprotecting the obtained 3,5-Dialkyl-4′-O-tetrahydropyranylstilbene to yield stilbenes. The present invention also provides a novel intermediate 3,5-Dialkyl-4′-O-tetrahydropyranyl stilbene, which is a key intermediate for the synthesis of stilbenes such as Pterostilbene and Resveratrol. The present invention also provides characteristics of various solid forms of Pterostilbene, methods for their preparation, as well as dosage forms containing the same for administration to or consumption by humans.

IPC Classes  ?

100.

Efficient process to induce enantioselectivity in procarbonyl compounds

      
Application Number 12667985
Grant Number 09156756
Status In Force
Filing Date 2008-07-30
First Publication Date 2010-11-11
Grant Date 2015-10-13
Owner LAURUS LABS LIMITED (India)
Inventor
  • Satyanarayana, Chava
  • Babu, Bollu Ravindra

Abstract

An efficient method to induce the enantioselectivity in procarbonyl compounds using chiral organometallic complexes. The present invention is also described a method for producing organo metallic complexes using a base and a metal halide.

IPC Classes  ?

  • C07D 265/18 - 1,3-OxazinesHydrogenated 1,3-oxazines condensed with carbocyclic rings or ring systems condensed with one six-membered ring with hetero atoms directly attached in position 2
  • C07C 29/42 - Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring increasing the number of carbon atoms by reactions with formation of hydroxy groups, which may occur via intermediates being derivatives of hydroxy groups, e.g. O-metal by reaction with aldehydes or ketones with compounds containing triple carbon-to-carbon bonds, e.g. with metal-alkynes
  • C07F 1/00 - Compounds containing elements of Groups 1 or 11 of the Periodic Table
  • C07F 3/00 - Compounds containing elements of Groups 2 or 12 of the Periodic Table
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