threo-1-(α-methyl-3,4,5-trimethoxybenzyl)-6,7-bis(benzyloxy)-1,2,3,4-tetrahydroisoquinoline hydrochloride 在
palladium on activated charcoal
氢气 作用下,
以
乙醇 为溶剂,
以88%的产率得到threo-1-(α-methyl-3,4,5-trimethoxybenzyl)-6,7-dihydroxy-1,2,3,4-tetrahydroisoquinoline hydrochloride