7-methoxy-2-(thiophen-2-yl)-1H-benzo[d]imidazole-4-carboxylic acid   、                                                                                      
1-Boc-3-氨甲基哌啶                                                                                                                                                                                                                                                                                                          以to afford the desired product (0.23 g) as a brown oil的产率得到tert-butyl 3-{[7-methoxy-2-(thiophen-2-yl)-1H-benzo[d]imidazole-4-carboxamido]methyl}piperidine-1-carboxylate