4-(5-(4-(dimethylamino)phenyl)-3-(2,4-dimethylphenyl)-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonamide 、
异氰酸正丁酯 在
potassium carbonate 作用下,
以
丙酮 为溶剂,
以60%的产率得到N-(butylamino-oxomethyl)-4-[5-(4-dimethyamino-phenyl)-3-(2,4-dimethylphenyl)-4,5-dihydro-pyrazol-1-yl]-benzenesulfonamide