反应条件
1: 1.) n-BuLi / 1.) Et2O, 30 min, 2.) Et2O, 1 h, low temperature, 10 h, room temperature, 3 h, reflux
2: 83 percent / Br2 / CH2Cl2 / 3 - 5 °C
4: PTA, CAN / acetonitrile; H2O / 0.33 h
View Scheme
参考文献
Syper, L.; Kloc, K.; Mlochowski, J.
Tetrahedron, 1980 , vol. 36, # 1 p. 123 - 129
