反应详情

The same operation as in Example (217c) was performed using methyl 2-(3-aminoazetidin-1-yl)-4-ethyl-1,3-thiazole-5-carboxylate obtained in Example (222b) (94 mg, 0.39 mmol), 4-chloro-5-ethyl-1H-imidazole-2-carboxylic acid obtained in Example (1d) (68 mg, 0.39 mmol), WSC hydrochloride (224 mg, 1.17 mmol), 1-hydroxybenzotriazole (53 mg, 0.39 mmol) and N-methylmorpholine (0.09 mL, 0.78 mmol), to obtain 153 mg of the title compound as a milk white solid (99%).