Title:
AN IMPROVED PROCESS FOR PREPARING 1-(PENTANOYLAMINO)CYCLOPENTANECARBOXYLIC ACID
Document Type and Number:
WIPO Patent Application WO/2010/079405
Kind Code:
A3
Abstract:
The present invention relates to an improved process for preparing 1-(pentanoylamino)cyclopentanecarboxylic acid formula (I) which is useful intermediate for the preparation of Irbesartan.
Inventors:
PONNAIAH RAVI (IN)
DESAI SANJAY (IN)
RATHOD DHIRAJ (IN)
PARIKH CHIRAG (IN)
MOKAL RAMESH (IN)
DESAI SANJAY (IN)
RATHOD DHIRAJ (IN)
PARIKH CHIRAG (IN)
MOKAL RAMESH (IN)
Application Number:
PCT/IB2009/055960
Publication Date:
October 06, 2011
Filing Date:
December 28, 2009
Export Citation:
Assignee:
ALEMBIC LTD (IN)
PONNAIAH RAVI (IN)
DESAI SANJAY (IN)
RATHOD DHIRAJ (IN)
PARIKH CHIRAG (IN)
MOKAL RAMESH (IN)
PONNAIAH RAVI (IN)
DESAI SANJAY (IN)
RATHOD DHIRAJ (IN)
PARIKH CHIRAG (IN)
MOKAL RAMESH (IN)
International Classes:
C07C231/12; C07C51/08; C07D403/10
Other References:
RAO, KORRAPATI V. V. PRASADA ET AL.: "Improved methods for the synthesis of irbesartan, an antihypertensive active pharmaceutical ingredient", SYNTHETIC COMMUNICATIONS, vol. 37, no. 17, 2007, pages 2897 - 2905
E.C. HORNING ET AL: "alpha-Phenylglutaric Anhydride", ORGANIC SYNTHESES, COLL., vol. 4, 1963, pages 790
E.C. HORNING ET AL: "alpha-Phenylglutaric Anhydride", ORGANIC SYNTHESES, COLL., vol. 4, 1963, pages 790
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