反应条件
1: n-butyllithium, diisopropylamine / tetrahydrofuran; hexane / 1.) 0 deg C, 1 h, 2.) -75 deg C, 2 h 2: tetrahydrofuran / 2 h / -75 °C 3: 97 percent / manganese dioxide / toluene / Heating 4: 87 percent / pyridinium chloride / 0.25 h / Heating View Scheme
参考文献
Journal of Heterocyclic Chemistry, , vol. 26, p. 1589 - 1594