5-iodomethyl-1-methyl-3-(4-trifluoromethyl-phenyl)-1H-pyrazole 、
乙酸乙酯 、
lithium diisopropyl amide 以
N,N-二甲基丙烯基脲 为溶剂,
以to obtain 3-[2-methyl-5-(4-trifluoromethyl-phenyl)-2H-pyrazol-3-yl]-propionic acid ethyl ester as yellow solid的产率得到3-[2-methyl-5-(4-trifluoromethyl-phenyl)-2H-pyrazol-3-yl]-propionic acid ethyl ester