5-[1-allyl-1-(2,6-dimethyl-4'-trifluoromethyl-biphenyl-4-yloxymethyl)-but-3-enyl]-thiophene-2-carboxylic acid methyl ester 在
RuCl2(1,3-dimesityl-imidazolidin-2-yl)(PCy3)(=CHPh) 作用下,
以
二氯甲烷 为溶剂,
反应 4.0h,
以to afford 5-[1-(2,6-dimethyl-4′-trifluoromethyl-biphenyl-4-yloxymethyl)-cyclopent-3-enyl]-thiophene-2-carboxylic acid methyl ester (0.240 g, 87%) as a colorless syrup的产率得到5-[1-(2,6-dimethyl-4'-trifluoromethyl-biphenyl-4-yloxymethyl)-cyclopent-3-enyl]-thiophene-2-carboxylic acid methyl ester