The present invention provides a process for preparation of 2,3,3,3-tetrafluoropropene and intermediates thereof. Owing to its low global warming potential and zero ozone depleting potential, it is been proposed as a replacement for existing chlorofluorocarbons and hydrofluorocarbons as refrigerant.
C07C 17/25 - Preparation of halogenated hydrocarbons by splitting-off hydrogen halides from halogenated hydrocarbons
C07C 17/20 - Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms
C07C 17/278 - Preparation of halogenated hydrocarbons by reactions involving an increase in the number of carbon atoms in the skeleton by addition reactions of only halogenated hydrocarbons
The present invention provides azeotropic or azeotrope-like compositions comprising 1234yf and at least one component selected from a group comprising of R-134, and R-134a. The compositions of the present invention are useful as refrigerants, heat transfer fluids, foam blowing agents, aerosol propellants, and fire suppression and fire extinguishing agents.
The present invention provides a process for the preparation of 2,4,6-trifluorobenzoic acid, having less than 0.05% of 2,6-difluorobenzoic acid and/or 2,4-difluorobenzoic acid impurities. The 2,4,6-trifluorobenzoic acid is crucial and an important raw material for preparing the photosensitizers, medicines and pesticides, and also finds applications in pharmaceutical and agrochemical industries.
C07D 417/14 - 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 three or more hetero rings
4.
PROCESS FOR PREPARATION OF CYCLOPROPANE CARBOXYLIC ACIDS AND INTERMEDIATES THEREOF
The main object of present invention is to provide an industrially viable process for the preparation of cyclopropane acid of Formula I and intermediates thereof, that are useful in pharmaceutical and agrochemical industry, wherein R122 and Z can be halogen, halogenated alkyl group.
C07C 62/00 - Compounds having carboxyl groups bound to carbon atoms of rings other than six-membered aromatic rings and containing any of the groups OH, O-metal, —CHO, keto, ether, groups, groups, or groups
5.
Process for purification of olefin feed comprising 1234YF
The present invention relates to a process for purifying olefin feed comprising R-5 1234yf, R-40, R-134a, R-134, R-1225zc, and OFCB, comprising the step of separating different ternary and binary azeotrope compositions comprising 1234yf. The olefin feed is obtained from the pyrolysis of tetrafluoroethylene/chlorodifluoromethane with chloromethane/methane, optionally in presence of initiator.
C07C 17/386 - SeparationPurificationStabilisationUse of additives by distillation with auxiliary compounds
C07C 17/269 - Preparation of halogenated hydrocarbons by reactions involving an increase in the number of carbon atoms in the skeleton by condensation reactions of only halogenated hydrocarbons
C07C 17/275 - Preparation of halogenated hydrocarbons by reactions involving an increase in the number of carbon atoms in the skeleton by addition reactions of hydrocarbons and halogenated hydrocarbons
C07C 17/266 - Preparation of halogenated hydrocarbons by reactions involving an increase in the number of carbon atoms in the skeleton by condensation reactions of hydrocarbons and halogenated hydrocarbons
C07C 17/278 - Preparation of halogenated hydrocarbons by reactions involving an increase in the number of carbon atoms in the skeleton by addition reactions of only halogenated hydrocarbons
The main object of present invention is to provide an economical and industrially applicable process for preparation of sultones of Formula (I). wherein n is 1-3 Sultones such as 1,3-propanesultone and 1,4-butanesultone are widely used as electroplating intermediates, pharmaceutical intermediates, photosensitive material, lithium batteries, and other household chemicals.
C07C 209/48 - Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of carboxylic acids or esters thereof in presence of ammonia or amines, or by reduction of nitriles, carboxylic acid amides, imines or imino-ethers by reduction of nitriles
The present invention relates to compositions for use in refrigeration, air-conditioning, and heat pump systems wherein the composition comprises of 1,3,3,3-tetrafluoropropene, difluoromethane and at least one other compound. The compositions of the present invention are useful in processes for producing cooling or heat, as heat transfer fluids, foam blowing agents, aerosol propellants, and fire suppression and fire extinguishing agents.
The present invention provides a process for preparation of 4,4,4- trifluorobut-2-en-1-ol from alkyl 4,4,4-trifluorobut-2-enoate and also provides one step process for preparation of alkyl 4,4,4-trifluorobut-2-enoate from corresponding hydroxy derivative using mild and easily available reagents.
C07C 269/06 - Preparation of derivatives of carbamic acid, i.e. compounds containing any of the groups the nitrogen atom not being part of nitro or nitroso groups by reactions not involving the formation of carbamate groups
The present invention relates to compositions for use in refrigeration, air-conditioning, and heat pump systems wherein the composition comprises a 2,3,3,3-tetrafluoropropene and at least one other component. The compositions of the present invention are useful in processes for producing cooling or heat, as heat transfer fluids, foam blowing agents, aerosol propellants, and fire suppression and fire extinguishing agents.
C09K 5/00 - Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerantsMaterials for the production of heat or cold by chemical reactions other than by combustion
11.
PREPARATION OF 2,3,3,3-TETRAFLUOROPROPENE AND INTERMEDIATES THEREOF
The present invention provides a process for preparation of 2,3,3,3-tetrafluoropropene and intermediates thereof. Owing to its low global warming potential and zero ozone depleting potential, it is been proposed as a replacement for existing chlorofluorocarbons and hydrofluorocarbons as refrigerant.
The present invention relates to a process for preparing 2,2-difluoro-1,3-benzodioxole. The process comprises a step of reacting 1,3-benzodioxole with chlorine in benzotrifluoride in the present of a radical initiator. The present invention also relates to the process for preparing 2,2-dichloro-1,3-benzodioxole which is used as an intermediate in preparation of 2,2-difluoro-1,3-benzodioxole.
C07D 317/46 - Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 ortho- or peri-condensed with carbocyclic rings or ring systems condensed with one six-membered ring
13.
Process for the preparation of 2,3,3,3-tetrafluoropropene
The present invention provides an improved process for preparation of 2,3,3,3-tetrafluoropropene, wherein recyclization of the reaction by-products result in equilibrium between feed and outlet composition.
C07C 17/278 - Preparation of halogenated hydrocarbons by reactions involving an increase in the number of carbon atoms in the skeleton by addition reactions of only halogenated hydrocarbons
C07C 51/15 - Preparation of carboxylic acids or their salts, halides, or anhydrides by reaction of organic compounds with carbon dioxide, e.g. Kolbe-Schmitt synthesis
15.
PROCESS FOR PURIFICATION OF OLEFIN FEED COMPRISING 1234YF
The present invention relates to a process for purifying olefin feed comprising R-5 1234yf, R-40, R-134a, R-134, R-1225zc, and OFCB, comprising the step of separating different ternary and binary azeotrope compositions comprising 1234yf. The olefin feed is obtained from the pyrolysis of tetrafluoroethylene/ chlorodifluoromethane with chloromethane/methane, optionally in presence of initiator.
The present invention provides azeotropic or azeotrope-like compositions comprising 1234yf and at least one component selected from a group comprising of R-134, and R-134a. The compositions of the present invention are useful as refrigerants, heat transfer fluids, foam blowing agents, aerosol propellants, and fire suppression and fire extinguishing agents.
C09K 5/00 - Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerantsMaterials for the production of heat or cold by chemical reactions other than by combustion
17.
PREPARATION OF 2,3,3,3-TETRAFLUOROPROPENE, INTERMEDIATE AND COMPOSITION THEREOF
The present invention provides a process for preparation of 2,3,3,3-tetrafluoropropene, intermediate and composition thereof. Fluoro olefins play an important role as refrigerants. In recent years a fluoro olefin viz. 2,3,3,3-tetrafluoropropene (HFO-1234yf) has attracted attention as a new refrigerant to replace another fluorinated refrigerants.
The present invention provides processes for preparation of substituted pyrazole compounds of formula II, that can be used as intermediates for preparation of substituted piperidine urea compounds useful for the treatment of dilated cardiomyopathy (DCM). R2is independently selected from F, C1-C4 alkyl, C1-C4 haloalkyl, R3is independently selected from H, F, C1-C4 alkyl, C1-C4 haloalkyl, R4is Cl-C4 alkyl, R6is H or a protecting group and R7 is selected from H, CI or trialkylsilyl.
C07D 403/04 - 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 directly linked by a ring-member-to-ring- member bond
A61K 31/435 - 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
A61P 9/04 - Inotropic agents, i.e. stimulants of cardiac contractionDrugs for heart failure
19.
AN IMPROVED PROCESS FOR PREPARATION OF TRIFLUOROMETHYLBENZALDEHYDES AND INTERMEDIATES THEREOF
The present invention provides an in-situ process for preparation of a compound of formula 1 and intermediate thereof, These compounds are useful chemical intermediates for the production of pesticides and pharmaceutical products.
C07C 47/55 - Compounds having —CHO groups bound to carbon atoms of six-membered aromatic rings containing halogen
C07C 45/43 - Preparation of compounds having C=O groups bound only to carbon or hydrogen atomsPreparation of chelates of such compounds by hydrolysis of CX2 groups, X being halogen
01 - Chemical and biological materials for industrial, scientific and agricultural use
17 - Rubber and plastic; packing and insulating materials
Goods & Services
Refrigerants, namely, refrigerants for use in refrigeration and air conditioning systems; gas propellants for aerosols; unprocessed plastics Semi processed plastics and plastics and resins in extruded form for use in further manufacturing, namely, plastic fibers for use in the manufacture of tire cord, plastic fibers for use in the manufacture of conveyor belts, corrugated PVC fluted substrates for use in the manufacture of signs, molded and extruded plastic for use in the manufacture of hook and loop fasteners
01 - Chemical and biological materials for industrial, scientific and agricultural use
17 - Rubber and plastic; packing and insulating materials
Goods & Services
Refrigerants, namely, refrigerants for use in refrigeration and air conditioning systems; gas propellants for aerosols; unprocessed plastics Semi processed plastics and plastics and resins in extruded form for use in further manufacturing, namely, plastic fibers for use in the manufacture of tire cord, plastic fibers for use in the manufacture of conveyor belts, corrugated PVC fluted substrates for use in the manufacture of signs, molded and extruded plastic for use in the manufacture of hook and loop fasteners
01 - Chemical and biological materials for industrial, scientific and agricultural use
16 - Paper, cardboard and goods made from these materials
17 - Rubber and plastic; packing and insulating materials
Goods & Services
Chemicals used in industry including HVAC, science and photography, as well as in agriculture, horticulture and forestry; resin (synthetic -) [unprocessed], unprocessed artificial resins, unprocessed plastics; manures; fire extinguishing compositions; tempering and soldering preparations; chemical substances for preserving foodstuffs; tanning substances; adhesives used in industry; plastic used in industry in unprocessed form, plastics in the form of chips; refrigerants; aerosol propellants. Plastic sheets, films and bags for wrapping and packaging; plastic materials for packaging; polyester films [for wrapping or packaging]. Unprocessed and semi-processed rubber, gutta-percha, gum, asbestos, mica and substitutes for all these materials; semi processed plastics, plastics and resins in extruded form for use in manufacture; packing, stopping and insulating materials; flexible pipes, tubes and hoses, not of metal; plastic materials in the form of chips for use as packaging, plastics in the form of sheets, block and rods, synthetic resins (semi-finished products); fibres impregnated with synesthetic resins for use in manufacture; polyester films [other than for wrapping or packaging].
01 - Chemical and biological materials for industrial, scientific and agricultural use
16 - Paper, cardboard and goods made from these materials
17 - Rubber and plastic; packing and insulating materials
Goods & Services
Chemicals used in industry including HVAC, science and photography, as well as in agriculture, horticulture and forestry; Resin (synthetic -) [unprocessed], unprocessed artificial resins, unprocessed plastics; manures; fire extinguishing compositions; tempering and soldering preparations; chemical substances for preserving foodstuffs; tanning substances; adhesives used in industry; plastic used in industry in unprocessed form, plastics in the form of chips; refrigerants; aerosol propellants. Plastic sheets, films and bags for wrapping and packaging; plastic materials for packaging; polyester films [for wrapping or packaging]. Unprocessed and semi-processed rubber, gutta-percha, gum, asbestos, mica and substitutes for all these materials; semi processed plastics, plastics and resins in extruded form for use in manufacture; packing, stopping and insulating materials; flexible pipes, tubes and hoses, not of metal; plastic materials in the form of chips for use as packaging, plastics in the form of sheets, block and rods, synthetic resins (semi-finished products); fibres impregnated with synesthetic resins for use in manufacture; polyester films [other than for wrapping or packaging].
24.
PROCESS FOR PREPARATION OF HALO SUBSTITUTED BENZOIC ACID COMPOUND AND INTERMEDIATES THEREOF
C07C 17/278 - Preparation of halogenated hydrocarbons by reactions involving an increase in the number of carbon atoms in the skeleton by addition reactions of only halogenated hydrocarbons
C07C 17/269 - Preparation of halogenated hydrocarbons by reactions involving an increase in the number of carbon atoms in the skeleton by condensation reactions of only halogenated hydrocarbons
C07C 17/383 - SeparationPurificationStabilisationUse of additives by distillation
The present invention provides an improved process for preparation of 2,3,3,3- tetrafluoropropene, wherein recyclization of the reaction by-products result in equilibrium between feed and outlet composition.
C07C 45/00 - Preparation of compounds having C=O groups bound only to carbon or hydrogen atomsPreparation of chelates of such compounds
C07C 45/30 - Preparation of compounds having C=O groups bound only to carbon or hydrogen atomsPreparation of chelates of such compounds by oxidation with halogen containing compounds, e.g. hypohalogenation
C07C 49/11 - Saturated compounds containing keto groups bound to acyclic carbon atoms containing rings monocyclic
30.
PROCESS FOR THE PREPARATION OF OLEFIN CONTAINING FLUORINE
C07C 17/269 - Preparation of halogenated hydrocarbons by reactions involving an increase in the number of carbon atoms in the skeleton by condensation reactions of only halogenated hydrocarbons
31.
Process for the preparation of 2-(trihalomethyl) benzamide
C07C 231/02 - Preparation of carboxylic acid amides from carboxylic acids or from esters, anhydrides, or halides thereof by reaction with ammonia or amines
The present invention relates to the field of cross-laminates having at least two multilayer films of thermoplastic polymer material which are oriented in such a way that the orientation of one film crosses orientation of the other film. Particularly, the present invention relates to a process for producing a cross laminated polymer film having at least two films cross sandwiched with one another in opposite direction.
B32B 37/00 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
B32B 3/00 - Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form
33.
PROCESS FOR THE PREPARATION OF DERIVATIVES OF BENZODIOXOLE
C07D 317/46 - Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 ortho- or peri-condensed with carbocyclic rings or ring systems condensed with one six-membered ring
34.
PROCESS FOR THE PREPARATION OF FLUOROACRYLIC ACID ESTERS
C07C 67/317 - Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by splitting-off hydrogen or functional groupsPreparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by hydrogenolysis of functional groups
The present invention provides a process for the preparation of N-alkylated fluorine-containing pyrazolecarboxylic acid derivatives of Formula I. The present invention further provides a pyrazole compound of formula IIIa.
C07D 231/14 - Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
37.
PROCESS OF PREPARATION OF COMPOUNDS HAVING CHF 2C(O) GROUP
C07C 41/22 - Preparation of ethers by reactions not forming ether-oxygen bonds by introduction of halogenPreparation of ethers by reactions not forming ether-oxygen bonds by substitution of halogen atoms by other halogen atoms
C07C 201/08 - Preparation of nitro compounds by substitution of hydrogen atoms by nitro groups
The present invention provides a process for the preparation of compound of Formula I; wherein X is selected from the group consisting of fluorine, chlorine, bromine and iodine; Y is selected from X and -NR1R2; R1 and R1, independent of each other, are selected from the group consisting of hydrogen, C1-4 alkyl and –COR; R is C1-4 alkyl.
C07C 209/62 - Preparation of compounds containing amino groups bound to a carbon skeleton by cleaving carbon-to-nitrogen, sulfur-to-nitrogen, or phosphorus-to-nitrogen bonds, e.g. hydrolysis of amides, N-dealkylation of amines or quaternary ammonium compounds
C07C 231/12 - Preparation of carboxylic acid amides by reactions not involving the formation of carboxamide groups
C07C 17/093 - Preparation of halogenated hydrocarbons by replacement by halogens
40.
PROCESS FOR THE PREPARATION OF HALOGENATED DERIVATIVES OF AROMATIC ETHERS
C07D 317/46 - Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 ortho- or peri-condensed with carbocyclic rings or ring systems condensed with one six-membered ring
41.
PROCESS FOR THE PREPARATION OF DIBENZENESULFONIMIDE
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
C07C 311/48 - Amides of sulfonic acids, i.e. compounds having singly-bound oxygen atoms of sulfo groups replaced by nitrogen atoms, not being part of nitro or nitroso groups having nitrogen atoms of sulfonamide groups further bound to another hetero atom
42.
PROCESS FOR THE PREPARATION OF 2-(TRIHALOMETHYL) BENZAMIDE
The present invention relates to a process for the preparation of 2-(trihalomethyl) benzamide from a 2-(trihalomethyl) benzoyl chloride in the presence of isopropanol or cold water.
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 233/65 - Carboxylic acid amides having carbon atoms of carboxamide groups bound to carbon atoms of six-membered aromatic rings having the nitrogen atoms of the carboxamide groups bound to hydrogen atoms or to carbon atoms of unsubstituted hydrocarbon radicals
43.
PROCESS FOR THE PREPARATION OF 2,6-DIHALO-PARA-TRIFLUOROMETHYL- ANILINES AS INTERMEDIATES OF PYRAZOLES
The present invention provides a process for the preparation of 2,6-dihalo-para-trifluoromethylanilines as intermediates for pyrazoles comprising the halogenation of para-trifluoromethylaniniline with dihalogen.
C07C 209/10 - Preparation of compounds containing amino groups bound to a carbon skeleton by substitution of functional groups by amino groups by substitution of halogen atoms with formation of amino groups bound to carbon atoms of six-membered aromatic rings or from amines having nitrogen atoms bound to carbon atoms of six-membered aromatic rings
C07C 209/74 - 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 by halogenation, hydrohalogenation, dehalogenation, or dehydrohalogenation
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
44.
PROCESSES FOR PRODUCING 1,1,1,5,5,5 HEXAFLUOROACETYL ACETONE
C07C 45/45 - Preparation of compounds having C=O groups bound only to carbon or hydrogen atomsPreparation of chelates of such compounds by condensation
45.
PROCESS FOR THE PREPARATION OF PYRAZOLE DERIVATIVES
The present invention provides a process for the preparation of N-alkylated fluorine-containing pyrazolecarboxylic acid derivatives of Formula I. The present invention further provides a pyrazole compound of formula IIIa. (Formula I and IIIa should be inserted here.)
C07D 231/14 - Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
46.
PROCESS FOR THE SYNTHESIS OF TRIFLUOROMETHANESULFONIC ACID
C07C 303/02 - Preparation of esters or amides of sulfuric acidsPreparation of sulfonic acids or of their esters, halides, anhydrides or amides of sulfonic acids or halides thereof
C07C 51/58 - Preparation of carboxylic acid halides
47.
REACTIVE DISTILLATION PROCESS FOR THE PREPARATION OF 1, 1, 1, 2, 3, 3, 3-HEPTAFLUORO-2-BROMOPROPANE
The present invention provides a process for preparation of tetrafluoroethanesulfonic acid. The halogenated compounds, such as fluoro alkane sulfonic acids, have wide applications as super acids. In a preferred embodiment, the process for preparation of tetrafluoroethanesulfonic acid, comprises a) treating alkali metal salt of tetrafluoroethanesulfonic acid in an aliphatic alcohol solvent with dry hydrochloric acid, b) treating mixture of step a) with water to obtain tetrafluoroethanesulfonic acid monohydrate, and c) dehydrating tetrafluoroethanesulfonic acid monohydrate to obtain tetrafluoroethanesulfonic acid.
