反应条件
1: 1.) polyphosphoric acid, 2.) potassium carbonate / 1.) dioxane, 60 deg C, 3 h, 2.) acetone, reflux, 50 h
2: 64 percent / potassium carbonate / acetone / 2 h / Heating
3: 93 percent / potassium carbonate / acetone / 4 h / Heating
4: 70 percent / NaBH4, PdCl2 / tetrahydrofuran; H2O / 1.5 h / 0 - 5 °C
5: 92 percent / toluene-p-sulfonic acid / toluene / 0.33 h / Heating
6: 95 percent / potassium carbonate / methanol / 1.5 h / Heating
View Scheme
参考文献
Donnelly, Dervilla M. X.; Molloy, David J.; Reilly, John P.; Finet, Jean-Pierre
Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1995 , # 20 p. 2531 - 2534