反应详情

The same operation as in Example (1g) was performed using methyl cis(±)-3-(4-amino-3-methoxypiperidin-1-yl)-5-methoxybenzoate obtained in Example (257c) (about 0.25 mmol), 4-chloro-5-ethyl-1H-imidazole-2-carboxylic acid obtained in Example (1d) (48 mg, 0.22 mmol), WSC hydrochloride (139 mg, 0.73 mmol), HOBT (49 mg, 0.36 mmol), dichloromethane (2 mL) and DMA (2 mL), to obtain 87 mg of the title compound (88%).