反应条件
1: Ph3P, CBr4 / tetrahydrofuran / 2 h / Ambient temperature
2: 1.) n-BuLi / THF, HMPA, -78 deg C to 0 deg C, 8 h
3: 96 percent / p-TsOH, H2O / acetone / 12 h / Heating
View Scheme
参考文献
Kende, Andrew S.; Toder, Bruce H.
Journal of Organic Chemistry, 1982 , vol. 47, # 1 p. 163 - 167