反应条件
1: 94 percent / polyphosphoric acid (PPA) / 3 h / 85 °C
2: 96 percent / 2,3-dichloro-5,6-dicyanobenzoquinone (DDQ) / dioxane / 24 h / Heating
View Scheme
参考文献
Reddy, M. Parameswara; Rao, G. S. Krishna
Journal of Organic Chemistry, 1981 , vol. 46, p. 5371 - 5373
