[1α(Z),2β,3α,5α]-(+/-)-7-[3-Acetoxy-2-[N-methyl-N-(phenylmethyl)amino]-5-(phenylmethoxy)cyclopentyl]-5-heptenoic acid, methyl ester 、
氯甲酸-2,2,2-三氯乙酯 在
potassium carbonate 作用下,
生成
[1α(Z),2β,3α,5α]-(+-)-7-[3-Acetoxy-2-[N-methyl-N-(2,2,2-trichloroethoxycarbonyl)amino]-5-(phenylmethoxy)cyclopentyl]-5-heptenoic acid, methyl ester