Disodium 6-[(2S)-2-[[(2RS)-2-hydroxy-2-(3-hydroxymethyl-4-oxidophenyl)ethyl]amino]-1,2,3,4-tetrahydronaphthalen-7-yl]hexanoate 、
盐酸 在
ice 、
甲醇 、 octadecyl silica gel 、
acetonitrile-water 、
6-[(2S)-2-[[(2RS)-2-hydroxy-2-(4-hydroxy-3-hydroxymethylphenyl)ethyl]amino]-1,2,3,4-tetrahydronaphthalen-7-yl]hexanoic acid 作用下,
以
水 为溶剂,
反应 2.0h,
以gave 6-[(2S)-2-[[(2RS)-2-hydroxy-2-(4-hydroxy-3-hydroxymethylphenyl)ethyl]amino]-1,2,3,4-tetrahydronaphthalen-7-yl]hexanoic acid (Compound 12) (12 mg) as an amorphous的产率得到6-[(2S)-2-[[(2RS)-2-hydroxy-2-(4-hydroxy-3-hydroxymethylphenyl)ethyl]amino]-1,2,3,4-tetrahydronaphthalen-7-yl]hexanoic acid