3-Cyano-1-(2,6-dichloro-4-trifluoromethylphenyl)-5-ethoxymethylideneamino-4-trifluoromethylsulfinylpyrazole 、
硼氢化钠 、
溶剂黄146 在
氮气 、
水 、
甲醇 作用下,
以
乙醇 为溶剂,
反应 22.75h,
以afforded 3-cyano-1-(2,6-dichloro-4-trifluoromethylphenyl)-5-methylamino-4-trifluoromethylsulfonylpyrazole (350 g) as an off-white solid (m.p. about 227° C.)的产率得到1-(2,6-dichloro-4-trifluoromethylphenyl)-3-cyano-5-methylamino-4-trifluoromethylsulfonylpyrazole