反应条件
1: 76 percent / CHCl3 / 0.5 h / 0 °C 2: 1.) n-butyllithium, diisopropylamine / 1.) diethyl ether, -70 deg C, 1.5 h, 2.) diethyl ether, -70 deg C, 3 h 3: polyphosphoric acid / 0.33 h / 110 °C View Scheme
参考文献
Alo, Babajide I.; Familoni, Oluwole B.; Marsais, Francis; Queguiner, Guy
Journal of Heterocyclic Chemistry, 1992 , vol. 29, # 1 p. 61 - 64