反应条件
1: 3-bromobenzo[b]furan With sodium hexamethyldisilazane in tetrahydrofuran
T=0°C; 0.25 h; Inert atmosphere;
2: N,N-dimethyl-formamide in tetrahydrofuran
T=0°C; 5.5 h; Inert atmosphere;
3: With phosphoric acid in tetrahydrofuran; water
Inert atmosphere; regioselective reaction;
参考文献
Zhao, Hang; Dankwardt, John W.; Koenig, Stefan G.; Singh, Surendra P.
Tetrahedron Letters, 2012 , vol. 53, # 2 p. 166 - 169
