(R)-[4-(3,4-dichloro-benzyloxy)-phenyl]-hydroxy-acetic acid methyl ester 在
钯 resultant solution 、
氢气 、 silica gel 、
甲醇 、
乙酸乙酯 作用下,
以
甲醇 为溶剂,
反应 48.0h,
以ethyl acetate (from 70:30 to 40:60) as an eluent system to give (R)-hydroxy-(4-hydroxy-phenyl)-acetic acid methyl ester (630 mg, 69.2%)的产率得到(R)-hydroxy-(4-hydroxy-phenyl)-acetic acid methyl ester