[4-chloro-2-(hydroxy-phenyl-methyl)-5-methoxy-phenoxy]-acetic acid ethyl ester 在
二氧化锰 SiO2 、 ethyl acetate heptane 作用下,
以
二氯甲烷 为溶剂,
以gave 0.530 g of the title compound as white crystals的产率得到(2-Benzoyl-4-chloro-5-methoxy-phenoxy)-acetic acid ethyl ester