反应条件
1: 30 percent / sodium hydride / dimethylformamide / 14 h / 20 °C
2: 46 percent / polyphosphoric acid / 1.5 h / 70 - 75 °C
3: 62 percent / pyridine hydrochloride / 2 h / 180 - 190 °C
4: 68 percent / perchloric acid; silica gel / 0.5 h / 90 - 100 °C
5: 42 percent / benzene / 4 h / Irradiation
View Scheme
参考文献
Siddaiah, Vidavalur; Rao, Chunduri Venkata; Venkateswarlu, Somepalli; Krishnaraju, Alluri V.; Subbaraju, Gottumukkala V.
Bioorganic and Medicinal Chemistry, 2006 , vol. 14, # 8 p. 2545 - 2551