摘要:
Processes for the preparation of N-[4-cyano-3-(trifluoro methyl) phenyl]-3-[(4-fluorophenyl) sulphonyl]-2-hydroxy-2- methyl propanamide or Bicalutamide are provided. A method for purifying the Bicalutamide using ethyl acetate solvent resulting in the product, substantially free from process related impurities A, B, C and D, and the crystalline form of Bicalutamide are also disclosed.
摘要:
Processes for the preparation of N-[4-cyano-3-(trifluoro methyl) phenyl]-3-[(4-fluorophenyl) sulphonyl]-2-hydroxy-2- methyl propanamide or Bicalutamide are provided. A method for purifying the Bicalutamide using ethyl acetate solvent resulting in the product, substantially free from process related impurities A, B, C and D, and the crystalline form of Bicalutamide are also disclosed.
摘要:
The present invention provides a non-solvated amorphous form of (2?,5?,7?,10?,13?)-4-acetoxy-13-({(2R,3S)-3[ (tert-butoxy carbonyl) amino]-2-hydroxy-3-phenylpropanoyl}oxy)-1-hydroxy-7,10-dimethoxy-9-oxo-5,20-epoxytax-11-en-2-yl benzoate or Cabazitaxel (I), (I) and process for preparation thereof. The present application also provides a non-solvated amorphous form of (2?,5?,7?,10?,13?)-4-acetoxy-13-({(2R,3S)-3[ (tert-butoxy carbonyl) amino]-2-hydroxy-3-phenylpropanoyl}oxy)-1-hydroxy-7,10-dimethoxy-9-oxo-5,20-epoxytax-11-en-2-yl benzoate or Cabazitaxel (I) having an XRPD pattern as per Fig-1, and IR spectrum as per Fig-3 and is useful as an active pharmaceutical in a pharmaceutical composition comprising thereof and has anti-cancer activity.
摘要:
Disclosed is a process of preparation of (2R,3S)-N-carboxy-3-phenylisoserine, N-tert-butyl ester, 13-ester with 5(P)-20-epoxy-l,2(a), 4,7(P), 10(β), 13(a)-hexa hydroxyl tax-l l-en-9-one 4-acetate 2-benzoate (docetaxel) and its trihydrate (I).
摘要:
A method for preparing(2R,3S)-2-benzyloxy-3-tert-butoxy-carbonylamino-3-phenylpropionic acid of formula (I) is provided, and a method for purifying and isolating the compound is also provided. The method uses inexpensive, non-hazardous and easily available reagents and results in better yields and purity.