反应条件
1: 89 percent / CBr4, Ph3P / CH2Cl2 / Ambient temperature
2: 1.) n-BuLi / 1.) hexane, THF, -10 deg C, 30 min, 2.) hexane, THF, HMPA, -10 deg C, 3 h
3: 57 percent / p-toluenesulfonic acid / methanol / 4 h / 60 °C
View Scheme
参考文献
Singh, Vasundhara; Trehan, I. R.; Kad, G. L.
Journal of the Indian Chemical Society, 1992 , vol. 69, # 2 p. 103 - 105