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Title:
A RECYCLING PROCESS FOR PREPARING (S)-2-[(SUBSTITUTED-PHENOXY)-PHENOXY- PHOSPHORYLAMINO] PROPIONIC ACID ISOPROPYL ESTER DIASTEREOMERS
Document Type and Number:
WIPO Patent Application WO/2016/098123
Kind Code:
A3
Abstract:
The present invention relates to an efficient and economical process to recycle the desired diastereomer of (2-[(substituted–phenoxy)-phenoxy-phosphorylamino] propionic acid isopropyl ester of Formula I from undesired diastereomer by first racemization of the undesired diastereomer followed by separation of the desired diastereomer from the racemic mixture.

Inventors:
KOTALA MANI BUSHAN (IN)
DAMMALAPATI VENKATA LAKSHMI NARASIMHA RAO (IN)
GORANTLA SEETA RAMA ANJANEYULU (IN)
CHAVA SATYANARAYANA (IN)
Application Number:
IN2015/050198
Publication Date:
August 18, 2016
Filing Date:
December 14, 2015
Export Citation:
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Assignee:
LAURUS LABS PRIVATE LTD (IN)
International Classes:
A61K31/70; A01N43/04
Domestic Patent References:
WO2011123645A22011-10-06
Foreign References:
US20140309189A12014-10-16
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