(3R,4R)-3-(tert-Butyl-dimethyl-silanyloxy)-4-{(2S,3R,5R)-3-[2-(tert-butyl-dimethyl-silanyloxy)-ethyl]-5-methyl-6-oxo-tetrahydro-pyran-2-yl}-pentanethioic acid S-tert-butyl ester 在
溶剂黄146 作用下,
以
四氢呋喃 为溶剂,
反应 7.3h,
以87%的产率得到(3R,4R)-3-(tert-Butyl-dimethyl-silanyloxy)-4-[(2S,3R,5R)-3-(2-hydroxy-ethyl)-5-methyl-6-oxo-tetrahydro-pyran-2-yl]-pentanethioic acid S-tert-butyl ester