Title:
AN IMPROVED PROCESS FOR THE SEPARATION OF ENANTIOMERICALLY PURE COMPOUNDS
Document Type and Number:
WIPO Patent Application WO/2009/147687
Kind Code:
A3
Abstract:
The present patent application relates to an improved process for the separation of enantiomerically pure compounds. Specifically it relates to separation of enantiomerically pure Rivastigmine, Duloxetine, Escitalopram and their intermediates in high yields.
Inventors:
GIRIDHAR THOTA (IN)
SRINIVASULU GUDIPATI (IN)
SRINIVASA RAO KOTARU (IN)
SRINIVASULU GUDIPATI (IN)
SRINIVASA RAO KOTARU (IN)
Application Number:
PCT/IN2009/000092
Publication Date:
May 26, 2011
Filing Date:
February 05, 2009
Export Citation:
Assignee:
SHODHANA LAB LTD (IN)
GIRIDHAR THOTA (IN)
SRINIVASULU GUDIPATI (IN)
SRINIVASA RAO KOTARU (IN)
GIRIDHAR THOTA (IN)
SRINIVASULU GUDIPATI (IN)
SRINIVASA RAO KOTARU (IN)
International Classes:
C07C269/08; C07C57/00; C07D307/87; C07D333/20
Domestic Patent References:
| WO2007026373A2 | 2007-03-08 | |||
| WO2008004044A1 | 2008-01-10 |
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