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 、
1-氨基-4-(2-羟乙基)哌嗪 在
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 16.25h,
以39%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-(4-(2-hydroxyethyl)piperazin-1-yl)-3-methoxybenzamide