2-[2-(4-benzyloxy-3-methoxybenzoyl)oxyethyl-(2-hydroxyethyl)amino]ethyl-4-benzyloxy-3-methoxybenzoate 在
palladium 10% on activated carbon 、
氢气 作用下,
以
甲醇 为溶剂,
以90%的产率得到2-[2-hydroxyethyl-[2-(4-hydroxy-3-methoxybenzoyl)oxyethyl]amino]ethyl-4-hydroxy-3-methoxybenzoate