(S)-trans-2-t-butoxycarbonylamino-1-(4-t-butoxyphenyl)-6-trimethylsilylhex-3-en-5-yne 在
alkaline H
2O
2 、
bis(cyclohexanyl)borane 、
1-羟基苯并三唑 、
N,N'-二环己基碳二亚胺 作用下,
生成 (S)-2-((S)-2-{2-[(E)-(S)-5-tert-Butoxycarbonylamino-6-(4-tert-butoxy-phenyl)-hex-3-enoylamino]-acetylamino}-3-phenyl-propionylamino)-4-methyl-pentanoic acid methyl ester