4-(2-morpholin-4-yl-2-oxo-ethyl)-piperazine-1-carbonyl chloride 、
7-乙基-10-羟基喜树碱 在
吡啶 作用下,
生成 [(19S)-10,19-diethyl-19-hydroxy-14,18-dioxo-17-oxa-3,13-diazapentacyclo[11.8.0.02,11.04,9.015,20]henicosa-1(21),2,4(9),5,7,10,15(20)-heptaen-7-yl] 4-(2-morpholin-4-yl-2-oxoethyl)piperazine-1-carboxylate