((6S,7R)-7-tert-butoxycarbonylamino-8-oxo-6-phenyl-7,8-dihydro-6H-5-oxa-9-aza-benzocyclohepten-9-yl)-acetic acid 、
5-(氨基维生素)戊胺 在
N,N-二异丙基乙胺 、 ((3H-[1,2,3]triazolo[4,5-b]pyridin-3-yl)oxy)tri(pyrrolidin-1-yl)phosphonium hexafluorophosphate(V) 作用下,
以
二氯甲烷 为溶剂,
反应 70.0h,
以71%的产率得到[(6S,7R)-8-oxo-9-({5-[5-((3aR,6S,6aS)-2-oxo-hexahydro-thieno[3,4-d]imidazol-6-yl)-pentanoylamino]-pentylcarbamoyl}-methyl)-6-phenyl-6,7,8,9-tetrahydro-5-oxa-9-aza-benzocyclohepten-7-yl]-carbamic acid tert-butyl ester