反应条件
1: 75 percent / 1 h / 270 °C
2: 34 percent / SeO2 / dioxane; H2O / 18 h / Heating
3: 97 percent / SOCl2, dimethylformamide / benzene / 1 h / Heating
4: 90 percent / NaN3 / acetone; H2O / 0.5 h
5: aq. acetic acid / 0.33 h / 85 - 90 °C
6: 40 percent / aq. HCl; 2.5 N NaOH / 3 h / Heating
View Scheme
参考文献
Peterson; Douglas; Tolman
Journal of Heterocyclic Chemistry, 1981 , vol. 18, # 4 p. 659 - 662
