(1S,3aR,6aS)-2-{(S)-2-[(S)-2-(tert-Butyl-dimethyl-silanyloxy)-3-methyl-butyrylamino]-3-methyl-butyryl}-4,4-difluoro-octahydro-cyclopenta[c]pyrrole-1-carboxylic acid 在
benzotriazol-1-yloxyl-tris-(pyrrolidino)-phosphonium hexafluorophosphate 、
戴斯-马丁氧化剂 、
N,N-二异丙基乙胺 作用下,
生成 (1S,3aR,6aS)-2-{(S)-2-[(S)-2-(tert-Butyl-dimethyl-silanyloxy)-3-methyl-butyrylamino]-3-methyl-butyryl}-4,4-difluoro-octahydro-cyclopenta[c]pyrrole-1-carboxylic acid (1-phenylaminooxalyl-butyl)-amide