Ethyl 2-[3-(2,6-dichloro-4-trifluoromethyl-phenoxy)phenoxy]-propionate 、
sodium hydroxide 、 、
盐酸 在
ice 、
二氯甲烷 作用下,
以
乙醇 、
水 为溶剂,
反应 16.0h,
以In this manner, 47.6 g (97.1% of theory) of the R enantiomer of 2-[3-(2,6-dichloro-4-trifluoromethyl-phenoxy)-phenoxy]-propionic acid were obtained in the form of a solid substance of melting point 120° C.的产率得到2-[3-(2,6-Dichloro-4-trifluoromethyl-phenoxy)-phenoxy]-propionic acid