反应条件
1: 90 percent / conc. H2SO4 / methanol / 24 h / Ambient temperature
2: Jones reagent / acetone / 4 h
3: conc. H2SO4 / Ambient temperature; overnight
4: 65 percent / Fe powder / ethanol; acetic acid / 0.42 h
5: 47 percent / 2,3-dichloro-5,6-dicyano-1,4-benzoquinone / benzene / 16 h / Ambient temperature
View Scheme
参考文献
Plattner; Parks
Journal of Heterocyclic Chemistry, 1983 , vol. 20, # 4 p. 1059 - 1062
