反应详情

The same operation as in Example (247a) was performed using cis(±)-2-(4-{[(4-chloro-5-ethyl-1H-imidazol-2-yl)carbonyl]amino}-3-ethoxypiperidin-1-yl)-5-(ethoxycarbonyl)-1,3-thiazole-4-carboxylic acid obtained in Example (50a) (300 mg, 0.60 mmol), isopropylamine (0.10 mL, 1.20 mmol), WSC hydrochloride (345 mg, 1.80 mmol) and 1-hydroxybenzotriazole (81 mg, 0.60 mmol), to obtain 241 mg of the title compound as a white solid (74%).