(S)-2-[4-(3,4-dichloro-phenyl)-7-oxo-[1,4]diazepan-1-yl]-4-((S)-4-hydroxy-6-aza-spiro[2.5]oct-6-yl)-butyric acid methyl ester 在
锂硼氢 、
乙醇 作用下,
以75%的产率得到1-(3,4-Dichloro-phenyl)-4-[(S)-3-((S)-4-hydroxy-6-aza-spiro[2.5]oct-6-yl)-1-hydroxymethyl-propyl]-[1,4]diazepan-5-one