(1R,2S)-1-amino-N-(cyclopropylsulfonyl)-2-vinylcyclopropanecarboxamide 、 (3R,5S,8S)-7-oxo-23-phenyl-8-propan-2-yl-2-oxa-11-thia-6,9,22,27-tetrazapentacyclo[16.6.2.13,6.110,13.021,25]octacosa-1(24),10(27),12,18(26),19,21(25),22-heptaene-5-carboxylic acid 在
2-(1H-benzotriazol-1-yl)-1,1,3,3-tetramethyluronium tetrafluoroborate 、
盐酸-N-乙基-Nˊ-(3-二甲氨基丙基)碳二亚胺 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 12.0h,
以30 mg的产率得到(3R,5S,8S)-N-((1R,2S)-1-{[(cyclopropylsulfonyl)amino]carbonyl}-2-ethenylcyclopropyl)-8-(1-methylethyl)-7-oxo-23-phenyl-2-oxa-11-thia-6,9,22,27-tetraazapentacyclo[16.6.2.1(3,6).1(10,13).0(21,25)]octacosa-1(24),10(27),12,18,20,22,25-heptaene-5-carboxamide