(2S,3S,4aS,5R,6S,8aR)-7-Benzenesulfonylmethyl-5-(tert-butyl-dimethyl-silanyloxy)-2,3-dimethoxy-2,3-dimethyl-2,3,4a,5,6,8a-hexahydro-benzo[1,4]dioxin-6-ol 在
间氯过氧苯甲酸 作用下,
以
二氯甲烷 为溶剂,
反应 72.0h,
以93%的产率得到(1aR,2R,3R,3aS,5S,6S,7aS,7bS)-1a-Benzenesulfonylmethyl-3-(tert-butyl-dimethyl-silanyloxy)-5,6-dimethoxy-5,6-dimethyl-octahydro-1,4,7-trioxa-cyclopropa[a]naphthalen-2-ol