2-[1-(2,4-dimethoxyphenyl)hexyl]malonic acid 在
silica gel 、
二氯甲烷 、
甲醇 、
正己烷 作用下,
以
邻二甲苯 为溶剂,
反应 3.0h,
以with mixtures of methylene chloride and methanol ranging from 1:0 to 10:1 by volume as the eluent, to give 4.55 g (a total yield of 74% over the two steps) of the title compound as crystals, melting at 52-53° C. (from hexane)的产率得到(+)-3-(2,4-dimethoxyphenyl)octanoic acid