2,5-dioxopyrrolidin-1-yl 1-methylcyclopropyl carbonate 、
(1-methylcyclopropyl) 4-[(2S)-10-[(R)-amino-(3-methylimidazol-4-yl)methyl]-13-chloro-4-azatricyclo[9.4.0.03,8]pentadeca-1(11),3(8),4,6,9,12,14-heptaen-2-yl]piperazine-1-carboxylate 在
4-二甲氨基吡啶 、
三乙胺 作用下,
以
二氯甲烷 为溶剂,
反应 18.0h,
生成 (1-methylcyclopropyl) 4-[(2S)-13-chloro-10-[(R)-[(1-methylcyclopropyl)oxycarbonylamino]-(3-methylimidazol-4-yl)methyl]-4-azatricyclo[9.4.0.03,8]pentadeca-1(11),3(8),4,6,9,12,14-heptaen-2-yl]piperazine-1-carboxylate