反应条件
1: 52 percent / CuBr2 / ethyl acetate
2: 92 percent / K2CO3 / dimethylformamide / 2 h / 25 °C
3: 90 percent / K2CO3 / dimethylsulfoxide / 0.17 h / 25 °C
4: O2, Rose Bengal / acetonitrile / 13 °C / Irradiation
View Scheme
参考文献
Crestini, Claudia; D'Auria, Maurizio
Tetrahedron, 1997 , vol. 53, # 23 p. 7877 - 7888