3-(p-Hydroxy-phenyl)-Δ2-pyrazolin 、
2-(三氟甲基)苯乙酸 在
1-[3-(4-hydroxy-phenyl)-4,5-dihydro-pyrazol-1-yl]-2-(2-trifluoromethyl-phenyl)-ethanone 作用下,
以to give the final compound 1-[3-(4-hydroxy-phenyl)-4,5-dihydro-pyrazol-1-yl]-2-(2-trifluoromethyl-phenyl)-ethanone (36)的产率得到1-[3-(4-hydroxy-phenyl)-4,5-dihydro-pyrazol-1-yl]-2-(2-trifluoromethyl-phenyl)-ethanone