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.
申请公布号
WO02076375(A2)
申请公布日期
2002.10.03
申请号
WO2002IB00764
申请日期
2002.03.14
申请人
RANBAXY LABORATORIES LIMITED;THAPER, RAJESH, KUMAR;KUMAR, YATENDRA;DE, SHANTANU;KUMAR, DILEEP, S., M.
发明人
THAPER, RAJESH, KUMAR;KUMAR, YATENDRA;DE, SHANTANU;KUMAR, DILEEP, S., M.
