(3aR*,4R*)-5,5-dimethyl-4-(2-methoxyethoxymethoxy)-3a,4,5,6-tetrahydro-2(3H)-pentalenone 、
ethyl (dimethylsulfuranylidene)acetate 以
苯 为溶剂,
反应 12.0h,
生成 ethyl (1R
*,2S
*,3S
*,6R
*,7R
*)-8,8-dimethyl-7-(2-methoxyethoxymethoxy)ethyl-4-oxotricyclo<4.3.0.0
1,3>nonan-2-ylcarboxylate 、 ethyl (1R
*,2R
*,3S
*,6R
*,7R
*)-8,8-dimethyl-7-(2-methoxyethoxymethoxy)ethyl-4-oxotricyclo<4.3.0.0
1,3>nonan-2-ylcarboxylate