[(4aR,6S,7R,8S,8aR)-6-bromo-8-[tert-butyl(dimethyl)silyl]oxy-2-methyl-4,4a,6,7,8,8a-hexahydropyrano[3,2-d][1,3]dioxin-7-yl] benzoate 在
四丁基溴化铵 作用下,
以
四氯化碳 为溶剂,
生成
[(4aR,6R,7R,8S,8aR)-6-bromo-8-[tert-butyl(dimethyl)silyl]oxy-2-methyl-4,4a,6,7,8,8a-hexahydropyrano[3,2-d][1,3]dioxin-7-yl] benzoate