4-Benzyloxy-3-(5-benzyloxy-2-benzyloxycarbonyl-3-methyl-phenoxy)-6-methoxy-2-methyl-benzoic acid methyl ester 在
palladium on activated charcoal
盐酸 、
氢气 作用下,
生成
3-(2-Carboxy-5-hydroxy-3-methyl-phenoxy)-4-hydroxy-6-methoxy-2-methyl-benzoic acid methyl ester