反应详情

The same operation as in Example (217c) was performed using ethyl 2-(5-amino-4,5,6,7-tetrahydro-2H-indazol-2-yl)-4-methyl-1,3-thiazole-5-carboxylate obtained in Example (243a) (127 mg, 0.42 mmol), 4-chloro-5-ethyl-1H-imidazole-2-carboxylic acid obtained in Example (1d) (72 mg, 0.42 mmol), WSC hydrochloride (239 mg, 1.25 mmol), 1-hydroxybenzotriazole (56 mg, 0.42 mmol) and N-methylmorpholine (0.09 mL, 0.83 mmol), to obtain 146 mg of the title compound as a pale yellow solid (76%).