3(S)-(Nα-benzoyl-glycyl-prolyl-leucyl-amino)-2(R)-(tert-butyloxycarbonylamino)-O-tert-butyldimethylsilylbutanol 在
溶剂黄146 作用下,
反应 4.0h,
以95%的产率得到[(1S,2S)-2-((S)-2-{[(S)-1-(2-Benzoylamino-acetyl)-pyrrolidine-2-carbonyl]-amino}-4-methyl-pentanoylamino)-1-hydroxymethyl-propyl]-carbamic acid tert-butyl ester