Title:
A PROCESS FOR PURIFICATION
Document Type and Number:
WIPO Patent Application WO2005049532
Kind Code:
A3
Abstract:
The present invention provides a process for purification of pharmaceutically active compounds selected from the group consisting of thiazolidinedione derivatives and trans-3-Ethyl-2,5-dihydro-4-methyl-N- [2-[4-[[[[(4-methylcyclohexyl)amino] carbonyl] amino]sulfonyl]phenyl]ethyl]-2-oxo-1H-pyrrole-1-carboxamide comprising extraction in a solvent comprising an alkanol (C1-C4) and ammonia.
Inventors:
PANDYA RASHMINKUMAR RAMESHCHAN (IN)
CHHABADA VIJAY CHHANGAMAL (IN)
REHANI RAJEEV BUDHDEV (IN)
THENNATI RAJAMANNAR (IN)
CHHABADA VIJAY CHHANGAMAL (IN)
REHANI RAJEEV BUDHDEV (IN)
THENNATI RAJAMANNAR (IN)
Application Number:
PCT/IN2004/000298
Publication Date:
April 06, 2006
Filing Date:
September 22, 2004
Export Citation:
Assignee:
SUN PHARMACEUTICAL IND LTD (IN)
PANDYA RASHMINKUMAR RAMESHCHAN (IN)
CHHABADA VIJAY CHHANGAMAL (IN)
REHANI RAJEEV BUDHDEV (IN)
THENNATI RAJAMANNAR (IN)
PANDYA RASHMINKUMAR RAMESHCHAN (IN)
CHHABADA VIJAY CHHANGAMAL (IN)
REHANI RAJEEV BUDHDEV (IN)
THENNATI RAJAMANNAR (IN)
International Classes:
C07D277/22; C07D207/38; C07D277/24; C07D407/12; C07D417/12; C07C
Domestic Patent References:
| WO2003057131A2 | 2003-07-17 | |||
| WO2004108721A1 | 2004-12-16 |
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