反应条件
n-butyllithium; zinc dibromide
1.) THF, -78 deg C, 1 h, 2.) THF, -78 deg C, 4 h; -78 deg C to room temperature, overnight, 3.) CHCl2CHCl2, 140 deg C, 12 h; Yield given. Multistep reaction;
参考文献
Katritzky, Alan R.; Xie, Linghong; Serdyuk, Larisa
Journal of Organic Chemistry, 1996 , vol. 61, # 21 p. 7564 - 7570