2-[2-benzyloxy-4-[2-[[(1S,2R)-2-hydroxy-2-(4-hydroxyphenyl)-1-methylethyl]amino]ethyl]phenoxy]acetic acid 在
palladium-carbon
氢气 、
乙酸乙酯 作用下,
以
溶剂黄146 为溶剂,
反应 0.83h,
以gave 2-[2-hydroxy-4-[2-[[(1S,2R)-2-hydroxy-2-(4-hydroxyphenyl)-1-methylethyl]amino]ethyl]phenoxy]acetic acid (77 mg)的产率得到2-[2-hydroxy-4-[2-[[(1S,2R)-2-hydroxy-2-(4-hydroxyphenyl)-1-methylethyl]amino]-ethyl]phenoxy]acetic acid