(S)-3-Phenyl-2-{3-[(1R,2R)-2-((2S,3S,4R,5R,6S)-3,4,5-tris-benzyloxy-6-methyl-tetrahydro-pyran-2-yloxy)-cyclohexyloxy]-phenoxy}-propionic acid benzyl ester 在
Dowex 50 Na
+ 、
氢气 作用下,
以82%的产率得到Sodium; (S)-3-phenyl-2-{3-[(1R,2R)-2-((2S,3S,4R,5S,6S)-3,4,5-trihydroxy-6-methyl-tetrahydro-pyran-2-yloxy)-cyclohexyloxy]-phenoxy}-propionate