反应条件
1: 83 percent / EtONa / ethanol; dimethylformamide / 3 h / Heating 2: 80 percent / polyphosphoric acid, acetic acid, phosphorus pentoxide, phosphoric acid / 1 h / 140 °C 3: 90 percent / Fe, NH4Cl / ethanol; H2O / 3 h / Heating View Scheme
参考文献
Moon, Jung-Kyen; Park, Jung-Won; Lee, Woo Song; Kang, Young-Jin; Chung, Hyun-A.; Shin, Mi-Seon; Yoon, Yong-Jin; Park, Ki Hun
Journal of Heterocyclic Chemistry, 1999 , vol. 36, # 3 p. 793 - 798