3-(4-(2-chlorophenyl)-9-hydroxy-1,3-dioxo-2,3-dihydropyrrolo[3,4-c]carbazol-6(1H)-yl)propanoic acid 、
草酰氯 、
N-(2-氨基乙基)吗啉 以gave the amide (120) (73%) as a yellow powder, mp 174–176° C的产率得到3-(4-(2-Chlorophenyl)-9-methoxy-1,3-dioxo-2,3-dihydropyrrolo[3,4-c]carbazol-6 (1H)-yl)-N-[2-(4-morpholinyl)ethyl]propanamide