反应条件
1: 2.) hydrochloric acid / !:) ethyl ether, THF, reflux, 2.5 h, 2.) reflux, 3 h 2: 69 percent / ethanol / 2 h / Heating 3: 21 percent / tert-butyllithium / pentane; tetrahydrofuran / 1.) -78 deg C, 24 h, 2.) room temperature 4: 44 percent / 550 °C / 0.1 Torr View Scheme
参考文献
Card,P.J.; Friedli,F.E.; Shechter,H.
Journal of the American Chemical Society, 1983 , vol. 105, p. 6104