6-chloro-2-(5-formyl-pyridin-3-yl)-1-methyl-1H-indole-3-carbonitrile 、
4-叔丁氧羰基氨基哌啶 以to give {1-[5-(6-chloro-3-cyano-1-methyl-1H-indol-2-yl)-pyridin-3-ylmethyl]-piperidin-4-yl}-carbamic acid tert-butyl ester的产率得到{1-[5-(6-chloro-3-cyano-1-methyl-1H-indol-2-yl)-pyridin-3-ylmethyl]-piperidin-4-yl}-carbamic acid tert-butyl ester