C - Chemistry – Metallurgy – 07 – K
Patent
C - Chemistry, Metallurgy
07
K
C07K 5/02 (2006.01) C07D 263/44 (2006.01)
Patent
CA 2357953
A process for preparing N-[1-(S)-ethoxycarbonyl-3- phenylpropyl]-L-alanine N-carboxyanhydride of the following formula (I), (see formula I) is to react N-[1-(S)-ethyoxy carbonyl-3-phenylpropyl]-L-alanine with XCOOR, wherein X is halogen atom, R is C1-C6 alkyl, to obtain a N- alkoxycarbonyl compound, then reacting with an acyl group activation reagent, finally contact with water. The compound of formula (I) is a key intermediate of ACE inhibitors.
Chao Ya-Chieh
Chen Chong-Ming
Liu Yu-Liang
Wu Chien-Huang
Everlight Usa Inc.
Smart & Biggar
LandOfFree
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