反应条件
1: concd. HCl / ethanol / 24 h / Heating 2: 73 percent / (Ph)3PBr2 / acetonitrile / 1.) 60-70 deg C, 1 h, 2.) 350 deg C, 1 h View Scheme
参考文献
Gribble, Gordon W.; LeHoullier, Craig S.; Sibi, Mukund P.; Allen, Robert W.
Journal of Organic Chemistry, 1985 , vol. 50, # 10 p. 1611 - 1616
