Title:
PREPARATION OF CANDESARTAN CILEXETIL
Document Type and Number:
WIPO Patent Application WO2005037821
Kind Code:
A3
Abstract:
The invention encompasses processes for the synthesis of cilexetil trityl candesartan from the reaction of trityl candesartan with cilexetil halide in the presence of a base and a low boiling organic solvent. Optionally, the reaction may be conducted in the presence of a phase transfer catalyst.
Inventors:
ETINGER MARINA YU (IL)
FEDOTEV BORIS (IL)
DOLITZKY BEN-ZION (IL)
FEDOTEV BORIS (IL)
DOLITZKY BEN-ZION (IL)
Application Number:
PCT/US2004/034540
Publication Date:
June 02, 2005
Filing Date:
October 18, 2004
Export Citation:
Assignee:
TEVA PHARMA (US)
TEVA PHARMA (US)
ETINGER MARINA YU (IL)
FEDOTEV BORIS (IL)
DOLITZKY BEN-ZION (IL)
TEVA PHARMA (US)
ETINGER MARINA YU (IL)
FEDOTEV BORIS (IL)
DOLITZKY BEN-ZION (IL)
International Classes:
C07D403/10; (IPC1-7): C07D403/10
Foreign References:
EP0468470A1 | 1992-01-29 | |||
EP0425921A1 | 1991-05-08 | |||
US20020151723A1 | 2002-10-17 | |||
US5962491A | 1999-10-05 | |||
US5763619A | 1998-06-09 |
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