(3R,5R,6S)-6-((1S,2R)-4-Benzyloxy-2-hydroxy-1-methoxy-butyl)-5-(2-hydroxy-ethyl)-3-methyl-tetrahydro-pyran-2-one 在
吡啶 作用下,
反应 12.0h,
生成 (S)-4-[(4R,5R,6S)-6-(2-Benzyloxy-ethyl)-5-methoxy-2,2-dimethyl-[1,3]dioxan-4-yl]-6-(tert-butyl-diphenyl-silanyloxy)-2-methyl-hexan-1-ol