反应详情

The same operation as in Example (221c) was performed using ethyl 4-isopropyl-2-[3-(n-propylamino)azetidin-1-yl]-1,3-thiazole-5-carboxylate obtained in Example (229b) (91 mg, 0.29 mmol), 4-chloro-5-ethyl-1H-imidazole-2-carboxylic acid obtained in Example (1d) (51 mg, 0.29 mmol), WSC hydrochloride (168 mg, 0.88 mmol), 1-hydroxybenzotriazole (39 mg, 0.29 mmol) and N-methylmorpholine (0.06 mL, 0.58 mmol), to obtain 83 mg of the title compound as a colorless oily substance (61%).