(1R,4RS,5S,8R)-4,8-dimethyl-4-vinyl-2,3-dioxabicyclo[3.3.1]nonan-7-one 、
二甲基硫 以
甲醇 为溶剂,
生成 (1R,4S,5S,8R)-4,8-dimethyl-7-oxo-2,3-dioxabicyclo[3.3.1]-nonane-4-carboxaldehyde 、
(1R,4R,5S,8R)-4,8-dimethyl-7-oxo-2,3dioxabicyclo[3.3.1]nonane-4-carboxaldehyde