7-methoxy-2-(thiophen-2-yl)-1H-benzo[d]imidazole-4-carboxylic acid 、
(S)-1-Boc-3-氨基哌啶 以to afford the desired product (0.13 g) as a brown oil的产率得到(S)-tert-butyl 3-[7-methoxy-2-(thiophen-2-yl)-1H-benzo[d]imidazole-4-carboxamido]piperidine-1-carboxylate