反应条件
1: 88 percent / Na2CO3 / dimethylformamide / Ambient temperature
2: 73 percent / Jones reagent / acetone / 1 h / Ambient temperature
3: SOCl2 / 1.5 h / Heating
4: 2) HBr(g) / 1) ether, 0 deg C, overnight, 2) 20 min
View Scheme
参考文献
Goddard
Journal of Heterocyclic Chemistry, 1991 , vol. 28, # 1 p. 17 - 28
