CHONGQING PHARMACEUTICAL RESEARCH INSTITUTE CO., LTD (China)
YAOPHARMA CO., LTD. (China)
Inventor
He, Shuai
Zhang, Yang
Liu, Qiang
Chen, Zhengxia
Dai, Meibi
Fan, Bin
Xie, Peiyu
Abstract
Disclosed in the present invention is a crystalline form of fluvatinib or fluvatinib methanesulfonate, and a preparation method therefor. The crystalline form I of the fluvatinib has characteristic diffraction peaks as shown in FIG. 1. The crystalline form of the fluvatinib methanesulfonate may take multiple forms, including seven crystalline forms, forms I-VII, wherein crystalline form III has characteristic diffraction peaks as shown in FIG. 9. Said crystalline forms are suited to manufacturing processes for fluvatinib methanesulfonate formulations.
CHONGQING PHARMACEUTICAL RESEARCH INSTITUTE CO., LTD (China)
YAOPHARMA CO., LTD. (China)
Inventor
He, Shuai
Zhang, Yang
Liu, Qiang
Chen, Zhengxia
Dai, Meibi
Fan, Bin
Xie, Peiyu
Abstract
A crystalline form of fluvatinib or fluvatinib methanesulfonate, and a preparation method therefor. The crystalline form I of the fluvatinib has characteristic diffraction peaks as shown in FIG. 1. The crystalline form of the fluvatinib methanesulfonate may take multiple forms, including seven crystalline forms, forms I-VII, wherein crystalline form III has characteristic diffraction peaks as shown in FIG. 9. Said crystalline forms are suited to manufacturing processes for fluvatinib methanesulfonate formulations.
C07C 303/32 - Preparation of esters or amides of sulfuric acidsPreparation of sulfonic acids or of their esters, halides, anhydrides or amides of salts of sulfonic acids
CHONGQING PHARMACEUTICAL RESEARCH INSTITUTE CO., LTD (China)
Inventor
Xing, Naiguo
Shangguan, Yan
Zheng, Deping
Chen, Fanglu
Abstract
The present invention relates to the field of pharmaceutical chemistry, and particularly to a crystal form of Abiraterone propionate and a preparation method therefor. Characteristic diffraction peaks occur at positions, where the 2θ value is 5.7°, 11.9°, 12.4°, 14.9°, 15.8°, 16.7°, 18.5°, 19.1°, 21.7°, 22.4°, and 39.9°±0.2°, in an X-ray powder diffraction spectrum of the crystal form of Abiraterone propionate.
C07J 43/00 - Normal steroids having a nitrogen-containing hetero ring spiro-condensed or not condensed with the cyclopenta[a]hydrophenanthrene skeleton
4.
VELIPARIB CRYSTAL FORM A AND PREPARATION METHOD THEREOF
CHONGQING PHARMACEUTICAL RESEARCH INSTITUTE CO., LTD. (China)
Inventor
Peng, Jun
Zhu, Zhiping
Yuan, Xing
Xia, Rong
Zheng, Deping
Abstract
Disclosed are a veliparib crystal form A and a preparation method thereof. 2θ values of an X-ray powder diffraction pattern of the veliparib crystal form A have characteristic diffraction peaks at 9.39 ± 0.2°, 13.38 ± 0.2°, 17.25 ± 0.2°, 17.70 ± 0.2°, 18.94 ± 0.2°, 21.79 ± 0.2°, 22.77 ± 0.2°, 24.65 ± 0.2°, 28.98 ± 0.2°, 31.60 ± 0.2°, and 36.61 ± 0.2°. The preparation method of the veliparib crystal form A is easy to perform, provides a high yield, high purity, and stability, and is suitable for manufacturing a preparation of the veliparib crystal form A.
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
5.
CRYSTAL FORM OF ABIRATERONE PROPIONATE AND PREPARATION METHOD THEREFOR 104710499A
CHONGQING PHARMACEUTICAL RESEARCH INSTITUTE CO., LTD (China)
Inventor
Xing, Naiguo
Shangguan, Yan
Zheng, Deping
Chen, Fanglu
Abstract
The present invention relates to the field of pharmaceutical chemistry, and particularly to a crystal form of Abiraterone propionate and a preparation method therefor. Characteristic diffraction peaks occur at positions, where the 2θ value is 5.7°, 11.9°, 12.4°, 14.9°, 15.8°, 16.7°, 18.5°, 19.1°, 21.7°, 22.4°, and 39.9°±0.2°, in an X-ray powder diffraction spectrum of the crystal form of Abiraterone propionate.
C07J 43/00 - Normal steroids having a nitrogen-containing hetero ring spiro-condensed or not condensed with the cyclopenta[a]hydrophenanthrene skeleton
A61K 31/58 - Compounds containing cyclopenta[a]hydrophenanthrene ring systemsDerivatives thereof, e.g. steroids containing heterocyclic rings, e.g. danazol, stanozolol, pancuronium or digitogenin
CHONGQING PHARMACEUTICAL RESEARCH INSTITUTE CO.,LTD (China)
Inventor
Deng, Jie
Lei, Huangshu
Wang, Weibo
Liu, Caiping
Ye, Wenrun
Xu, Liyan
Zhou, Changbing
Zhang, Guoyao
Zou, Yanye
He, Zhiqin
Abstract
The present invention belongs to the technical field of pharmaceutical chemistry. Disclosed are quinoline derivates, preparation method therefor, and application thereof. Compounds provided by the present invention are the compounds represented by formula I or optical isomers, racemates, diastereoisomers, pharmaceutically acceptable salts or solvates thereof. The compounds have a significant killing effect on Mycobacterium tuberculosis, and can be used to prepare medicines for treating or preventing diseases or symptoms caused by the infection of Mycobacterium tuberculosis.
C07D 401/06 - 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 linked by a carbon chain containing only aliphatic carbon atoms
A61K 31/4709 - Non-condensed quinolines containing further heterocyclic rings
A61P 31/06 - Antibacterial agents for tuberculosis
C07D 207/08 - Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members with hydrocarbon radicals, substituted by hetero atoms, attached to ring carbon atoms
C07D 211/32 - Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members with hydrocarbon or substituted hydrocarbon radicals directly attached to ring carbon atoms with substituted hydrocarbon radicals attached to ring carbon atoms with hydrocarbon radicals, substituted by doubly bound oxygen or sulfur atoms or by two oxygen or sulfur atoms singly bound to the same carbon atom by oxygen atoms
7.
STABLE ORAL SOLID DRUG COMPOSITION OF ABIRATERONE AND PREPARATION METHOD THEREFOR
CHONGQING PHARMACEUTICAL RESEARCH INSTITUTE CO., LTD (China)
Inventor
Wang, Li
Zhang, Tao
Deng, Jie
Abstract
A stable oral solid drug composition of abiraterone comprises abiraterone acetate and citrate which serves as a pharmaceutical adjuvant, wherein the weight ratio of citrate to abiraterone acetate is 1:100 to 1:5.
A61K 31/58 - Compounds containing cyclopenta[a]hydrophenanthrene ring systemsDerivatives thereof, e.g. steroids containing heterocyclic rings, e.g. danazol, stanozolol, pancuronium or digitogenin
A61K 47/12 - Carboxylic acidsSalts or anhydrides thereof
Chongqing Pharmaceutical Research Institute Co., Ltd. (China)
Inventor
Lin, Jialiang
Deng, Jie
Chen, Hao
Zhang, Tao
Abstract
The present invention provides a stable composition of rasagiline comprising an effective dosage of rasagiline or its pharmaceutically acceptable salts and an antioxidant used as a stabilizer. The dosage forms of the composition are pharmaceutically common transdermal-drug delivery dosage form and mucoadhesive delivery dosage form, such as patch, gel, ointment, cream, cataplasm, film, spray and solution, etc. The composition can be used to prevent or treat mental disorders.
CHONGQING PHARMACEUTICAL RESEARCH INSTITUTE CO., LTD (China)
Inventor
Lin, Jialiang
Chen, Hao
Liu, Zerong
Fan, Bin
Zhang, Tao
Deng, Jie
Abstract
A transdermal patch of Rasagiline comprises Rasagiline or pharmaceutically acceptable salts thereof, a base substance and an inert back layer. The oxygen transmissivity of the back layer is not more than 100 cm3 /m2 /24h,which can effectively reduce the volatilization of the Rasagiline from the back layer which results in decreased content, thus a long term sustained treatment effect is ensured.
A61K 31/135 - Amines, e.g. amantadine having aromatic rings, e.g. methadone
A61K 47/32 - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. carbomers
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
A61P 25/00 - Drugs for disorders of the nervous system
10.
PREPARATION METHOD FOR MORPHINAN BROMIDE QUATERNARY AMMONIUM SALT
CHONGQING PHARMACEUTICAL RESEARCH INSTITUTE CO., LTD (China)
Inventor
Sun, Huafu
Dan, Chunyan
Luo, Jie
Ye, Wenrun
Lin, Bo
Zhang, Daolin
Liao, Wei
Abstract
Disclosed is a preparation method for a morphinan bromide quaternary ammonium salt as represented by Formula (I). The method comprises: transforming a compound as represented by Formula (II) in a compound as represented by Formula (I) by an ion-exchange using a brominated strongly basic anion-exchange resin. The definitions of A, R1, R1 and X- found in Formula (I) and Formula (II) are as presented in the description.
Chongqing Pharmaceutical Research Institute Co., Ltd. (China)
Inventor
Luo, Jie
Lin, Meng
Zhu, Zhengyong
Luo, Junlai
Ye, Wenrun
Qin, Yongmei
Deng, Jie
Abstract
Three new crystalline forms of pemetrexed diacid, preparation methods and uses thereof are disclosed. These preparation processes are simple and have better practicality.
CHONGQING PHARMACEUTICAL RESEARCH INSTITUTE CO., LTD (China)
Inventor
Zhou, Xingguo
Tang, Xuemin
Ye, Wenrun
Luo, Jie
Deng, Jie
Abstract
A preparation method of ethyl 2-(3-formyl-4-hydroxyphenyl)-4-methyl-5-thiazolecarboxylate as a key intermediate of febuxostat is provided. The preparation method comprises: using thioacetamide and p-cyanophenol as raw materials which are reacted in an acid aqueous solution to obtain 4-hydroxy thiobenzamide, and reacting 4-hydroxy thiobenzamide with ethyl 2- chloroacetoacetate to obtain ethyl 2-(4-hydroxyphenyl)-4-methyl-5-thiazolecarboxylate, and reacting the obtained compound with methenamine in the presence of polyphosphoric acid and methanesulfonic acid to obtain ethyl 2-(3-formyl-4-hydroxyphenyl)-4-methyl-5-thiazolecarboxylate.
C07C 237/48 - 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 six-membered aromatic ring being part of a condensed ring system of the same carbon skeleton
C07D 277/56 - Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen
CHONGQING PHARMACEUTICAL RESEARCH INSTITUTE CO., LTD. (China)
Inventor
Lin, Jialiang
Deng, Jie
Chen, Hao
Zhang, Tao
Abstract
The present invention provides a stable composition of rasagiline comprising an effective dosage of rasagiline or its pharmaceutically acceptable salts and an antioxidant used as a stabilizer. The dosage forms of the composition are pharmaceutically common transdermal-drug delivery dosage form and mucoadhesive delivery dosage form, such as patch, gel, ointment, cream, cataplasm, film, spray and solution, etc. The composition can be used to prevent or treat mental disorders.
CHONGQING PHARMACEUTICAL RESEARCH INSTITUTE CO., LTD. (China)
Inventor
Lin, Jialiang
Deng, Jie
Chen, Hao
Zhang, Tao
Abstract
The present invention provides a stable composition of rasagiline comprising an effective dosage of rasagiline or its pharmaceutically acceptable salts and antioxidant used as stabilizer. The dosage forms of the composition are pharmaceutically common transdermal-drug delivery dosage form and mucoadhesive delivery dosage form, such as patch, gel, ointment, cream, cataplasm, film agent, spraying agent and solution etc. The composition can be used to prevent or treat mental disorders.
CHONGQING PHARMACEUTICAL RESEARCH INSTITUTE CO., LTD. (China)
Inventor
Lin, Meng
Luo, Junlai
Luo, Bin
Jiang, Yong
Luo, Jie
Ye, Wenrun
Abstract
Three new crystalline forms of Agomelatine, their preparation methods and the pharmaceutical compositions containing them and their preparation use of drug used for curing the diseases of central nervous system are provided. These three new crystalline forms of Agomelatine have the advantage of high stability and easy preparation and are suitable for the production of pharmaceutical preparation.
C07C 233/18 - 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 singly-bound oxygen atoms 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 31/165 - Amides, e.g. hydroxamic acids having aromatic rings, e.g. colchicine, atenolol, progabide
A61P 5/00 - Drugs for disorders of the endocrine system
A61P 25/00 - Drugs for disorders of the nervous system
A61P 25/18 - Antipsychotics, i.e. neurolepticsDrugs for mania or schizophrenia
CHONGQING PHARMACEUTICAL RESEARCH INSTITUTE CO., LTD. (China)
Inventor
Xie, Feng
Xing, Naiguo
Zhang, Wei
Gong, Hengyuan
Liu, Zerong
Deng, Jie
Luo, Jie
Ye, Wenrun
Fan, Bin
Abstract
High purified (2β,3α,5α,16β,17β) -2-(4-morpholinyl)-16-(1-pyrrolidinyl)-androstane-3,17-diol (formula III) or composition containing it and their use in preparing rocuronium bromide (formula I) are disclosed.
C07J 43/00 - Normal steroids having a nitrogen-containing hetero ring spiro-condensed or not condensed with the cyclopenta[a]hydrophenanthrene skeleton
A61P 21/02 - Muscle relaxants, e.g. for tetanus or cramps
18.
HIGH-PURITY FEBUXOSTAT AND THE METHOD FOR PREPARATION
CHONGQING PHARMACEUTICAL RESEARCH INSTITUTE CO., LTD (China)
Inventor
Zhou, Xingguo
Tang, Xuemin
Shi, Ruina
Ye, Wenrun
Luo, Jie
Deng, Jie
Fan, Bin
Abstract
A febuxostat which purity is no less than 99.0%, method for preparation thereof, and pharmaceutical composition thereof. The said method for preparation includes recrystalling febuxostat in mixed solvent. The said pharmaceutical composition can be used in manufacture of medicaments for treating diseases associated with hyperuricemia.
CHONGQING PHARMACEUTICAL RESEARCH INSTITUTE CO., LTD. (China)
Inventor
Luo, Jie
Lin, Meng
Zhu, Zhengyong
Luo, Junlai
Ye, Wenrun
Qin, Yongmei
Deng, Jie
Abstract
Three new crystalline forms of pemetrexed diacid, preparation methods and uses thereof. These preparation processes are simple and have better practicality.
CHONGQING PHARMACEUTICAL RESEARCH INSTITUTE CO., LTD (China)
Inventor
Sun, Huafu
Luo, Jie
Ye, Wenrun
Deng, Jie
Lin, Bo
Dan, Chunyan
Fan, Bin
Abstract
The invention discloses morphinan derivatives and their preparation method, especially discloses ketal hydroxyl protected compounds of morphinan derivatives and their preparation method, and the method for preparing corresponding alkylated morphinan derivatives using the said ketal hydroxyl protected compounds as intermediates, and more especially discloses ketal hydroxyl protected compound intermediates of methylnaltrexone for preparing methylnaltrexone and the method for preparing methylnaltrexone through said intermediates.
C07D 489/09 - Heterocyclic compounds containing 4aH-8, 9 c- Iminoethano-phenanthro [4, 5-b, c, d] furan ring systems, e.g. derivatives of [4, 5-epoxy]-morphinan of the formula: containing 4aH-8, 9 c-Iminoethano- phenanthro [4, 5-b, c, d] furan ring systems condensed with carbocyclic rings or ring systems
21.
A STABLE AND RELEASE-CONTROLLED RASAGILINE TRANSDERMAL PATCH AND METHOD OF PREPARATION THEREOF
CHONGQING PHARMACEUTICAL RESEARCH INSTITUTE CO., LTD (China)
Inventor
Lin, Jialiang
Li, Qun
Li, Hongzhong
Zhang, Tao
Deng, Jie
Fan, Bin
Abstract
A transdermal patch of rasagiline or pharmaceutically acceptable salts thereof for treating or preventing nervous system diseases. Particularly, a stable and release-controlled transdermal patch of rasagiline is provided, wherein the patch contains rasagiline or pharmaceutically acceptable salts thereof and at least one hydrophilic polymer matrix, moreover, the pH value of the patch is less than 7.0. The patch has predominant stability and can well control the transdermal release characteristics of rasageline.
A61P 25/28 - Drugs for disorders of the nervous system for treating neurodegenerative disorders of the central nervous system, e.g. nootropic agents, cognition enhancers, drugs for treating Alzheimer's disease or other forms of dementia
A61P 43/00 - Drugs for specific purposes, not provided for in groups
22.
PURIFICATION METHOD OF PEMETREXED SALTS,SODIUM SALTS AND DISODIUM SALTS
CHONGQING PHARMACEUTICAL RESEARCH INSTITUTE CO., LTD. (China)
Inventor
Luo, Jie
Lin, Meng
Lin, Bo
Ye, Wenrun
Qin, Yongmei
Deng, Jie
Abstract
A purification method of pemetrexed salts by means of salting-out. The pemetrexed salts are defined as formula (III) in which, (1) If M3+ is H+, then M1+ and M2+ are H+, Li+, Na+ or K+ independently. M1+ and M2+ are the same or not ,but they can not be H+ simultaneously; (2)If M3+ is Li+, Na+ or K+, then M1+ and M2+ are Li+, Na+ or K+ independently. M1+, M2+ and M3+ are the same or not.
CHONGQING PHARMACEUTICAL RESEARCH INSTITUTE CO., LTD. (China)
Inventor
Zhang, Tao
Li, Jia
Zou, Yanye
Mu, Caihua
Fan, Bin
Abstract
The medicine composition containing abafungin is provided in the present invention, and the said composition contains abafungin and other antibacterial agents. The use of the said medicine composition for treating fungus infections or fungus and bacteria mixed infections is also provided in the present invention.
A61K 31/506 - PyrimidinesHydrogenated pyrimidines, e.g. trimethoprim not condensed and containing further heterocyclic rings
A61K 31/43 - Compounds containing 4-thia-1-azabicyclo [3.2.0] heptane ring systems, i.e. compounds containing a ring system of the formula , e.g. penicillins, penems
A61K 31/496 - Non-condensed piperazines containing further heterocyclic rings, e.g. rifampin, thiothixene or sparfloxacin
A61K 31/545 - Compounds containing 5-thia-1-azabicyclo [4.2.0] octane ring systems, i.e. compounds containing a ring system of the formula , e.g. cephalosporins, cefaclor, cephalexine
A61K 31/635 - Compounds containing para-N-benzene- sulfonyl-N-groups, e.g. sulfanilamide, p-nitrobenzenesulfonohydrazide having a heterocyclic ring, e.g. sulfadiazine
A61K 31/7034 - Compounds having saccharide radicals attached to non-saccharide compounds by glycosidic linkages attached to a carbocyclic compound, e.g. phloridzin
A61K 31/498 - Pyrazines or piperazines ortho- or peri-condensed with carbocyclic ring systems, e.g. quinoxaline, phenazine
A61K 31/7036 - Compounds having saccharide radicals attached to non-saccharide compounds by glycosidic linkages attached to a carbocyclic compound, e.g. phloridzin having at least one amino group directly attached to the carbocyclic ring, e.g. streptomycin, gentamycin, amikacin, validamycin, fortimicins
A61K 31/7056 - Compounds having saccharide radicals and heterocyclic rings having nitrogen as a ring hetero atom, e.g. nucleosides, nucleotides containing five-membered rings with nitrogen as a ring hetero atom
A61K 31/7048 - Compounds having saccharide radicals and heterocyclic rings having oxygen as a ring hetero atom, e.g. leucoglucosan, hesperidin, erythromycin, nystatin
CHONGQING PHARMACEUTICAL RESEARCH INSTITUTE CO., LTD. (China)
Inventor
Luo, Jie
Lin, Bo
Ye, Wenrun
Abstract
The invention provides preparation method of thioureas or salts thereof. In particular, the invention provides method of preparing thioureas by reacting cyanamides or salts thereof with thioamides in proper acidic medium. The product can be used to prepare 2-aminothiazoles, such as antimycotic abafungin.
C07D 417/12 - 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 linked by a chain containing hetero atoms as chain links
C07D 239/16 - Nitrogen atoms not forming part of a nitro radical acylated on said nitrogen atoms
CHONGQING PHARMACEUTICAL RESEARCH INSTITUTE CO., LTD. (China)
Inventor
Zhou, Xingguo
Tang, Xuemin
Deng, Jie
Ye, Wenrun
Luo, Jie
Zhang, Daolin
Fan, Bin
Abstract
The present application belongs to pharmaceutical technology field. Three new crystal types of 2-(3-cyano-4-isobutyloxy) phenyl-4-methyl-5-thiazolecarboxylic acid (febuxostat) i.e. crystal types H, I and J and their preparation methods. Pharmaceutical compositions containing the new crystal types and the uses of crystal types as pharmaceutical medicaments for treatment diseases relating to excessive uric acid. Furthermore, the present application discloses X-ray diffraction characteristic absorption peak and IR absorption peak.
CHONGQING PHARMACEUTICAL RESEARCH INSTITUTE CO., LTD. (China)
Inventor
Zhang, Tao
Wang, Hui
Li, Jia
Mu, Caihua
Fan, Bin
Chen, Weihai
Abstract
An antimycotic pharmaceutical composition comprising the 2-aminothiazoles of the general formula (I) and corticoid drugs and the use of which for the treatment or prevention skin infection caused by fungus, wherein the definition of substituent group of general formula (I) as described in the description. Particularly, the antimycotic pharmaceutical composition can be used to treat or prevent skin infection caused by fungus, superficial fungal diseases, itching, the mixed infection caused by fungus and bacterium or various dermatitis
A61K 31/506 - PyrimidinesHydrogenated pyrimidines, e.g. trimethoprim not condensed and containing further heterocyclic rings
A61K 31/573 - Compounds containing cyclopenta[a]hydrophenanthrene ring systemsDerivatives thereof, e.g. steroids substituted in position 17 beta by a chain of two carbon atoms, e.g. pregnane or progesterone substituted in position 21, e.g. cortisone, dexamethasone, prednisone or aldosterone
A61K 31/58 - Compounds containing cyclopenta[a]hydrophenanthrene ring systemsDerivatives thereof, e.g. steroids containing heterocyclic rings, e.g. danazol, stanozolol, pancuronium or digitogenin
A61K 31/57 - Compounds containing cyclopenta[a]hydrophenanthrene ring systemsDerivatives thereof, e.g. steroids substituted in position 17 beta by a chain of two carbon atoms, e.g. pregnane or progesterone
A61K 9/00 - Medicinal preparations characterised by special physical form
A61K 31/7036 - Compounds having saccharide radicals attached to non-saccharide compounds by glycosidic linkages attached to a carbocyclic compound, e.g. phloridzin having at least one amino group directly attached to the carbocyclic ring, e.g. streptomycin, gentamycin, amikacin, validamycin, fortimicins
A61K 31/7056 - Compounds having saccharide radicals and heterocyclic rings having nitrogen as a ring hetero atom, e.g. nucleosides, nucleotides containing five-membered rings with nitrogen as a ring hetero atom
A61K 31/5383 - 1,4-Oxazines, e.g. morpholine ortho- or peri-condensed with heterocyclic ring systems
A61K 31/351 - Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin having six-membered rings with one oxygen as the only ring hetero atom not condensed with another ring
A transdermal patch of rasagiline for treatment or prophylaxis of nervous system disease and its preparation process, comprises: a backing layer inert to the components of the matrix a matrix layer contg. rasagiline and its or its salt, and a removable protective layer, characterised in that the matrix is an adhesive system having distribured therein as polymer and organic or inorganic bulking agent and dermal penetration enhancer, the reservoir in the matrix layer contains rasagiline, said polymer is based on organic macromolecular material and useful as the active substance reservoir and adhesive.
CHONGQING PHARMACEUTICAL RESEARCH INSTITUTE CO., LTD. (China)
Inventor
Xiao, Jinmai
Deng, Jie
Xiao, Bo
Feng, Jin
Abstract
The present invention discloses a new pharmaceutical composition comprising, in well-distributed powder form : iron-saccharide complex and salt agent in a suitable amount or other excipient . It also discloses the process for preparation the composition , wherein the salt or other excipient is added before iron-saccharide complex is being dried . This improved process make API manufacturer prepare the hematinic powder which can be used just mixed with water , moreover , the powder is easy to reconstitute in water by the ordinary manufacturer .
A61K 31/7012 - Compounds having a free or esterified carboxyl group attached, directly or through a carbon chain, to a carbon atom of the saccharide radical, e.g. glucuronic acid, neuraminic acid
A61K 31/555 - Heterocyclic compounds containing heavy metals, e.g. hemin, hematin, melarsoprol
A pharmaceutical composition for treating gout and its application in preparation of medicines for treating gout are provided. The said pharmaceutical composition comprises effective amount of febuxostat or its pharmaceutical salts or its solvates and a uric acid eliminant.
CHONGQING PHARMACEUTICAL RESEARCH INSTITUTE CO., LTD. (China)
Inventor
Xiao, Jinmai
Deng, Jie
Feng, Jinhua
Xiao, Bo
Abstract
The invention discloses a process for preparing multinuclear ferric hydroxide-saccharidic complexes, comprising: titrating an aqueous solution of iron salt with an aqueous solution of alkali to a final pH of 68 under 520 , collecting the multinuclear ferric hydroxide from the reaction product by conventional method; maintaining a reaction mixture of multinuclear ferric hydroxide, saccharides and solution of alkali for 1040 hours under a temperature of 106125 and pH being 1012, and obtaining the crude product having an isoelectric point of 4.45.3 and a weight average molecular weight of 20000100000 Daltons, and then collecting the multinuclear ferric hydroxide-saccharidic complexes from the crude product. The process can control the molecular weight of the multinuclear ferric hydroxide-saccharidic complexes exactly while not influencing other characteristics of the product such as content of saccharides or isoelectric point etc, and which is simple and readily applicable in industry.
A61K 31/715 - Polysaccharides, i.e. having more than five saccharide radicals attached to each other by glycosidic linkagesDerivatives thereof, e.g. ethers, esters