2,2-Dimethyl-propionic acid 2-[5-(3-((S)-2-tert-butoxycarbonylamino-3-phenyl-propionylamino)-5-{2-[2-(2,2-dimethyl-propionyloxy)-acetyl]-2H-tetrazol-5-yl}-phenyl)-tetrazol-2-yl]-2-oxo-ethyl ester 在
N,N-二异丙基乙胺 、 bromo-tris(1-pyrrolidinyl)phosphonium hexafluorophosphate 、
三氟乙酸 作用下,
反应 3.58h,
生成 cis-7-<<<(1S)-<<<3,5-bis<<<(pivaloyloxy)methyl>carbonyl>tetrazolyl>phenyl>amino>carbonyl>-2-phenylethyl>amino>carbonyl>-8-<<(1-adamantylmethyl)amino>carbonyl>-2,3:5,6-dibenzobicyclo<2.2.2>octane