1,1-dimethylethyl 4-aminobicyclo[2.2.2]octane-1-carboxylate 、
(2S)-1-(溴乙酰基)-2-吡咯烷甲腈 以to obtain (2S)-1-[[N-(4-t-butoxycarbonylbicyclo[2.2.2]oct-1-yl)amino]acetyl]pyrrolidine-2-carbonitrile (97.6 mg)的产率得到(2S)-1-[[N-(4-t-butoxycarbonylbicyclo[2.2.2]oct-1-yl)amino]acetyl]pyrrolidine-2-carbonitrile