6-chloro-2-(5-formyl-pyridin-3-yl)-1-methyl-1H-indole-3-carbonitrile 、
1-甲基哌嗪-2-酮 以to give 6-chloro-1-methyl-2-[5-(4-methyl-3-oxo-piperazin-1-ylmethyl)-pyridin-3-yl]-1H-indole-3-carbonitrile的产率得到6-chloro-1-methyl-2-[5-(4-methyl-3-oxo-piperazin-1-ylmethyl)-pyridin-3-yl]-1H-indole-3-carbonitrile