(E,Z)-4'-(Benzyloxy)-2'-<2-(3,4-bis(benzyloxy)-5-<4-(methoxycarbonyl)phenoxy>phenyl)ethenyl>-4-methoxybiphenyl-2-carbonsaeure-methylester 在
palladium on activated charcoal
氢气 作用下,
以
乙醇 、
乙酸乙酯 为溶剂,
以92%的产率得到4'-Hydroxy-2'-<2-(3,4-dihydroxy-5-<4-(methoxycarbonyl)phenoxy>phenyl)ethyl>-4-methoxybiphenyl-2-carbonsaeure-methylester