反应条件
1: 2,3-dicyano-5,6-dichloro-p-benzoquinone / toluene / 6.5 h / 110 °C / Sealed vessel; Inert atmosphere
2: sodium hydroxide / methanol / 0.33 h / 20 °C
3: sodium sulfide / 1-methyl-pyrrolidin-2-one / 3 h / 160 °C / Inert atmosphere
4: pyridinium tribromide / ethanol / 72 h / 20 °C / Inert atmosphere
View Scheme
参考文献
Schwalm, Cristiane S.; De Castro, Ilton B.D.; Ferrari, Jailton; De Oliveira, Fabio L.; Aparicio, Ricardo; Correia, Carlos Roque D.
Tetrahedron Letters, 2012 , vol. 53, # 13 p. 1660 - 1663
