5-(2-diethylaminoethyl)-3-methyl-4-oxo-1,4,5,6,7,8-hexahydropyrrolo[3,2-c]azepine-2-carbaldehyde 、
4-甲基吲哚酮 在
5-(2-diethylamino-ethyl)-3-methyl-2-(4-methyl-2-oxo-1,2-dihydro-indol-3-ylidenemethyl)-5,6,7,8-tetrahydro-1H-pyrrolo[3,2-c]azepin-4-one 作用下,
以to obtain 5-(2-diethylamino-ethyl)-3-methyl-2-(4-methyl-2-oxo-1,2-dihydro-indol-3-ylidenemethyl)-5,6,7,8-tetrahydro-1H-pyrrolo[3,2-c]azepin-4-one 16 (25 mg, yield 44.1%) as a yellow solid的产率得到5-(2-diethylamino-ethyl)-3-methyl-2-(4-methyl-2-oxo-1,2-dihydro-indol-3-ylidenemethyl)-5,6,7,8-tetrahydro-1H-pyrrolo[3,2-c]azepin-4-one