反应条件
1: KOH / ethanol; H2O / 0.67 h / Heating 2: copper bronze, quinoline / 185 °C 3: 1.) C-200 (BaCO3*0.8H2O), 2.) H2O / 1.) THF, 2.) THF, reflux, 1 h 4: KOH / ethanol; H2O / 0.67 h / Heating 5: 34 percent / polyphosphoric acid silyl ester (PPSE) / 22 h / 120 °C View Scheme
参考文献
Jakobs, E. Andreas; Christiaens, Leon E.; Renson, Marcel J.
Heterocycles, 1992 , vol. 34, # 6 p. 1119 - 1132
