Process for the preparation of benazepril

The present invention relates to an improved process for the preparation of trifluoromethanesulfonic ester of ethyl (R)-2-hydroxy-4-phenylbutyrate, referred to here as triflate in structural Formula I, and to the use of this compound as intermediate for the preparation of ACE (Angiotensin Converting...

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Bibliographic Details
Main Authors Kumar, Yatendra, Thaper, Rajest, De, Shantanu, Kumar, S M
Format Patent
LanguageEnglish
Published 05.08.2004
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Summary:The present invention relates to an improved process for the preparation of trifluoromethanesulfonic ester of ethyl (R)-2-hydroxy-4-phenylbutyrate, referred to here as triflate in structural Formula I, and to the use of this compound as intermediate for the preparation of ACE (Angiotensin Converting Enzyme) inhibitor, benazepril.