4-(二氟甲氧基)苯基异氰酸酯 、
3,5-bis-(4-chloro-phenyl)-4,5-dihydro-1H-pyrazole 以
甲苯 为溶剂,
反应 2.0h,
以5 g (35% of theory) of 1-(4-difluoromethoxyphenylcarbamoyl)-3-(4-chlorophenyl)-5-(4-chlorophenyl)-2-pyrazoline of melting point 174° C. were obtained的产率得到1-(4-difluoromethoxyphenylcarbamoyl)-3-(4-chlorophenyl)-5-(4-chlorophenyl)-2-pyrazoline