benzyl 3-bromo-1,4-dioxo-1,4-dihydro-9H-carbazole-9-carboxylate 、 3-(4α-N,N-dimethylaminomethylene)amino-2-cyclohexen-1-one 以
乙腈 为溶剂,
反应 4.0h,
以25%的产率得到Benzyl 2,12,15-trioxo-10,20-diazapentacyclo[11.8.0.03,11.04,9.014,19]henicosa-1(21),3(11),4,6,8,13,19-heptaene-10-carboxylate