5-[13-cyclohexyl-3-methoxy-10-[[[(2-methylpropyl)sulfonyl]amino]carbonyl]-7H-indolo[2,1-a][2]benzazepin-6-yl]-1-methyl-1H-pyrazole-4-carboxylic acid 、
1,4-二氮杂双环[4.3.0]壬烷 在
O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate 、
N,N-二异丙基乙胺 作用下,
以
二甲基亚砜 为溶剂,
反应 0.25h,
以88%的产率得到13-cyclohexyl-6-[4-[(hexahydropyrrolo[1,2-a]pyrazin-2(1H)-yl)carbonyl]-1-methyl-1H-pyrazol-5-yl]-3-methoxy-N-[(2-methylpropyl)sulfonyl]-7H-indolo[2,1-a][2]benzazepine-10-carboxamide