(1R,2R)-1-amino-N-(cyclopropylsulfonyl)-2-vinyl-cyclopropanecarboxamide hydrochloride 、
(3aR,7S,10S,12R,24aR)-7-cyclopentyl-5,8-dioxo-1,2,3,3a,5,6,7,8,11,12,20,21,22,23,24,24a-hexadecahydro-10H-9,12-methanocyclopenta[18,19][1,10,3,6]dioxadiazacyclononadecino[12,11-b]quinoline-10-carboxylic acid 在
4-二甲氨基吡啶 、 O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate 、
N,N-二异丙基乙胺 作用下,
以
二氯甲烷 为溶剂,
反应 15.0h,
以61%的产率得到(3aR,7S,10S,12R,24aR)-7-cyclopentyl-5,8-dioxo-1,2,3,3a,5,6,7,8,11,12,20,21,22,23,24,24a-hexadecahydro-10H-9,12-methanocyclopenta[18,19][1,10,3,6]dioxadiazacyclononadecino[12,11-b]quinoline-10-carboxylic acid ((1R,2R)-1-cyclopropanesulfonylaminocarbonyl-2-vinyl-cyclopropyl)-amide