(3aS,4R,6R,7aR)-6-([1,3]Dithian-2-yl-hydroxy-methyl)-6-methoxy-2,2-dimethyl-hexahydro-benzo[1,3]dioxol-4-ol 在
anhydride benzeneseleninique 作用下,
以
四氢呋喃 为溶剂,
反应 16.0h,
以40%的产率得到[1,3]Dithian-2-yl-((3aR,5R,7R,7aS)-7-hydroxy-5-methoxy-2,2-dimethyl-hexahydro-benzo[1,3]dioxol-5-yl)-methanone