1-trimethylsilyl-4-ethoxycarbonyl-4-methyl-hept-6-en-1-yne 、 alkaline earth salt of/the/ methylsulfuric acid 以
正庚烷 为溶剂,
反应 25.0h,
生成 2-trimethylsilyl-7-methyl-7-ethoxycarbonyl-5α-bicyclo<3.3.0>oct-2-en-3-one 、 2-trimethylsilyl-7-methyl-7-ethoxycarbonyl-5α-bicyclo<3.3.0>oct-2-en-3-one