[2-(4-Trifluoromethyl-benzyloxy)-phenyl]-methanol 、 {5-Methyl-6-[2-(4-trifluoromethyl-benzyloxy)-benzyloxy]-benzo[b]thiophen-3-yl}-acetic acid methyl ester 以
乙醇 、
乙酸乙酯 为溶剂,
以86%的产率得到{5-Methyl-6-[2-(4-trifluoromethyl-benzyloxy)-benzyloxy]-benzo[b]-thiophen-3-yl}-acetic acid