反应条件
1: CH2Cl2 / 14 h / Ambient temperature
2: 70 percent / thionyl chloride / benzene; CH2Cl2 / 1.) reflux, 2.) room temperature, 2.5 h
3: 1.) n-butyllithium, 3.) ethanol / 1.) pentane/diethyl ether, -78 deg C, 0.5 h, 2.) pentane/diethyl ether, room temperature, 45 min, 3.) pentane/diethyl ether, room temperature, 2 h
4: 1.) 4.5 N HCl / 1.) reflux, 15 h
View Scheme
参考文献
Pansegrau,P.D.; Rieker,W.F.; Meyers,A.I.
Journal of the American Chemical Society, 1988 , vol. 110, p. 7178
