7-methoxy-N-(1-methylpiperidin-3-yl)-2-(thiophen-2-yl)-1H-benzo[d]imidazole-4-carboxamide 、
三溴化硼 以to afford the desired product (75 mg, 36% yield) as a light yellow solid的产率得到7-hydroxy-N-(1-methylpiperidin-3-yl)-2-(thiophen-2-yl)-1H-benzo[d]imidazole-4-carboxamide