摘要:
The present invention relates to an improved process for the preparation of choline salt of fenofibric acid corresponding to formula (I). The present invention also provides crystalline polymorphic form of choline salt of fenofibric acid corresponding to formula (I) designated as form A.
摘要:
The present invention provides an improved process for the preparation of Linezolid of formula (D. The present invention relates to preparation of intermediate (R)—N-[[3-[3-fluoro-4-morpholinyl]phenyl|-2-oxo-5-oxazolidinyl]methanol of formula (II), Linezolid amine of formula (Ia) and their use in the preparation of Linezolid. The present invention further provides process for the preparation of Form I of Linezolid of formula (I).
摘要:
A novel process for the preparation of 6-perdeoxy-6-per-halo Gamma cyclodextrin which is a useful intermediate in the synthesis of Sugammadex is disclosed in the invention. The process involves reacting Gamma cyclodextrin with phosphorous halide in the presence of organic solvent.
摘要:
An improved process for the synthesis of 3-[2-[4-((6-fluoro-1,2-benzisoxazol-3-yl)-1-piperidinyl]-6,7,8,9-tetrahydro-9-hydroxy-2-methyl-4H-pyrido[1,2-a]-pyrimidin-4-one (Paliperidone) and Paliperidone Palmitate through a novel intermediate (2-Chloroethyl)-6,7,8,9-tetrahydro-2-methyl-9-hydroxy-4H-pyrido [1,2-a]pyrimidine-4-one Palmitate ester.
摘要:
The invention provides a novel process for the synthesis of 2-(2-hydroxyphenyl)-benz[1,3]oxazin-4-one, the process comprising of reacting the salicylic acid with salicylamide in the presence of p-toluenesulfonyl chloride, base and solvent. The use of 2-(2-hydroxyphenyl)-benz[1,3]oxazin-4-one in the preparation of Deferasirox is also disclosed in the invention.
摘要:
The present invention provides a new polymorph Form I of Teriflunomide sodium and a process for preparation thereof. The present invention provides an amorphous form of Teriflunomide sodium and a process for preparation thereof. The present invention provides a new polymorph Form I of Teriflunomide potassium and a process for preparation thereof. The present invention provides an amorphous form of Teriflunomide potassium and a process for preparation thereof. The present invention also provides particle size of Teriflunomide and its salts.
摘要:
The invention relates to a novel, industrially viable, cost effective process for the preparation of 1-(2,6-difluorobenzyl)-1H-1,2,3-triazole-4-carboxamide commonly known as Rufinamide and intermediates thereof.
摘要:
The present invention relates to an improved process for the preparation of 1-bromo-3,5-dimethyl adamantane of formula (III), which is an useful intermediate for synthesis of 1-amino-3,5-dimethyl adamantane of formula (I) or pharmaceutically acceptable salt thereof.