反应条件
n-butyllithium; zinc dibromide 1.) THF, -78 deg C, 30 min, 2.) THF, -78 deg C, 4 h; -78 deg C to room temperature, overnight, 3.) neat, 210 deg C, 3 h; Yield given. Multistep reaction;
参考文献
Katritzky, Alan R.; Toader, Dorin; Xie, Linghong
Journal of Organic Chemistry, 1996 , vol. 61, # 21 p. 7571 - 7577