[EN] STEREOSPECIFIC PREPARATION OF beta -[[(2S)-2-[4,4-[[[(2-METHYLPHENYL)AMINO]-CARBONYL]AMINO]PHENYL]METHYL]-2,5-DIOXO-1-IMIDAZOLIDINNYL]-4-METHYL-1-OXOPENTYL]AMINO]-( beta S)-PHENYLPROPANOIC ACID<br/>[FR] PREPARATION CHIRALE D'UN COMPOSE DIASTEREOMERE
申请人:AVENTIS PHARMA INC
公开号:WO2003000662A2
公开(公告)日:2003-01-03
This invention is directed to steps of a process for the preparing Compound A as shown in Scheme I. The invention is also directed to intermediates, compounds i-viii, used in Scheme I.