反应详情

The same operation as in Example (217c) was performed using ethyl 2-[(3S)-3-aminopyrrolidin-1-yl]-4-methyl-1,3-thiazole-5-carboxylate obtained in Example (237a) (150 mg, 0.59 mmol), 4-chloro-5-ethyl-1H-imidazole-2-carboxylic acid obtained in Example (1d) (103 mg, 0.59 mmol), WSC hydrochloride (338 mg, 1.76 mmol), 1-hydroxybenzotriazole (79 mg, 0.59 mmol) and N-methylmorpholine (0.13 mL, 1.17 mmol), to obtain 217 mg of the title compound as a white solid (90%).