1-甲基-4-(4-氨基环己基)哌嗪 、
4-((9'-cyclopentyl-5'-methyl-6'-oxo-5',6',8',9'-tetrahydrospiro[cyclopropane-1,7'-pyrimido[4,5-b][1,4]diazepin]-2'-yl)amino)-3-methoxybenzoic acid 在
O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate 、
N,N-二异丙基乙胺 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 2.33h,
以18%的产率得到4-(9’-cyclopentyl-5’-methyl-6’-oxo-5’,6',8’,9’-tetrahydrospiro[cyclopropane-1,7’-pyrimido[4,5-b][1,4]diazepine]-2’-ylamino)-N-((trans)-4-(4-methylpiperazin-1-yl)cyclohexyl)3-methoxybenzamide