4-(3-Chlor-phenyl)-1-(3-trifluormethyl-phenyl)-Δ3-pyrazolin-5-on 、
potassium carbonate 、
碘乙烷 以
乙醇 为溶剂,
反应 16.0h,
以to yield 1.8 grams of the desired product, m.p.=113°-114° C.的产率得到2-Aethyl-4-(3-chlor-phenyl)-1-(3-trifluormethyl-phenyl)-Δ
3-parazolin-5-on