反应详情

Following general procedure E and using 3,4-dihydro-4,4-dimethyl-6-(trimethylsilanyl)ethynylspiro[2H-1-benzopyran-2,1′-cyclopropane] (Intermediate 37, 0.4 g, 1.42 mmol), potassium carbonate (0.98 g, 7.1 mmol) and methanol, the title compound was obtained as a yellow oil (0.3 g, 100%).