反应条件
1: 40 percent / K2CO3 / acetone / 20 h / Ambient temperature
2: 66 percent / SnCl2*2H2O, conc. HCl / acetic acid / 18 h / Ambient temperature
3: 48 percent / various solvent(s) / 0.33 h / 160 °C
4: 63 percent / 30percent H2O2, acetic acid / 48 h / Ambient temperature
View Scheme
参考文献
Elslager; Jacob; Johnson; Werbel
Journal of Heterocyclic Chemistry, 1980 , vol. 17, # 1 p. 129 - 136