(2R,3S,4R,5R,6R)-5-Benzyloxy-6-benzyloxymethyl-4-(tert-butyl-dimethyl-silanyloxy)-2-p-tolylsulfanyl-tetrahydro-pyran-3-ol 在
N-碘代丁二酰亚胺 作用下,
反应 1.0h,
以50%的产率得到(2R,3S,4R,5R,6R)-5-Benzyloxy-2-[(2R,3S,4S,5R,6R)-5-benzyloxy-6-benzyloxymethyl-4-(tert-butyl-dimethyl-silanyloxy)-2-p-tolylsulfanyl-tetrahydro-pyran-3-yloxy]-6-benzyloxymethyl-4-(tert-butyl-dimethyl-silanyloxy)-tetrahydro-pyran-3-ol