反应详情

The same operation as in Example (221c) was performed using methyl 4-ethyl-2-[3-(n-propylamino)azetidin-1-yl]-1,3-thiazole-5-carboxylate obtained in Example (228b) (74 mg, 0.26 mmol), 4-chloro-5-ethyl-1H-imidazole-2-carboxylic acid obtained in Example (1d) (46 mg, 0.26 mmol), WSC hydrochloride (150 mg, 0.78 mmol), 1-hydroxybenzotriazole (35 mg, 0.26 mmol) and N-methylmorpholine (0.06 mL, 0.52 mmol), to obtain 75 mg of the title compound as a colorless oily substance (65%).