sodium;hydride 、 Trimethylphosphonoacetate 、
4-(4-bromophenyl)-4-hydroxycyclohexanone 、
甲醇 在
氯化铵 、
乙酸乙酯 、
magnesium sulfate 、 crude opaque oil 、 crude material 、 silica gel 作用下,
反应 20.5h,
以afforded 51 mg (12%) of methyl 2-(4-(4-bromophenyl)-7-oxabicyclo[2.2.1]heptan-1-yl)acetate as a colorless oil (ESI-MS m/z: 327.1 [M+H]+, retention time 1.56 min (condition E)) and 275 mg (63%) of the title compound as a colorless oil (ESI-MS m/z: n/a [M+H]+, retention time 1.42 min (condition E))的产率得到methyl 2-(4-(4-bromophenyl)-7-oxabicyclo[2.2.1]heptan-1-yl)acetate