3-[3-Trimethylsilanyl-prop-2-yn-(Z)-ylidene]-4-vinyl-cyclopentane-1,1-dicarboxylic acid diethyl ester 、 alkaline earth salt of/the/ methylsulfuric acid 以
甲苯 为溶剂,
反应 48.0h,
以46%的产率得到5-Oxo-6-trimethylsilanyl-1,3,3a,3b,4,5-hexahydro-cyclopenta[a]pentalene-2,2-dicarboxylic acid diethyl ester