[(2S,4R,4aS,5S,6S,8aS)-4,5-Bis-benzyloxy-6-(4-methoxy-benzyloxy)-6-methyl-3-methylene-hexahydro-pyrano[2,3-b]pyran-2-ylmethoxy]-tert-butyl-diphenyl-silane 在
sodium peroxide 、
硼烷 作用下,
以73%的产率得到[(2S,3R,4S,4aS,5S,6S,8aS)-4,5-Bis-benzyloxy-2-(tert-butyl-diphenyl-silanyloxymethyl)-6-(4-methoxy-benzyloxy)-6-methyl-hexahydro-pyrano[2,3-b]pyran-3-yl]-methanol