反应条件
1.1: AlCl3, aluminium chloride / tetrachloroethane, 1,1,2,2- 2.1: hydrazine hydrate / diethylene glycol / 0.5 h / 20 °C 2.2: 120 - 215 °C 3.1: methanesulfonic acid / 0.5 h / 90 °C / Inert atmosphere 4.1: triphenyl phosphite; bromine; N-ethyl-N,N-diisopropylamine / dichloromethane / 20 h / -78 °C / Inert atmosphere; Reflux 5.1: 2,3-dicyano-5,6-dichloro-p-benzoquinone / benzene / 4 h / Reflux 6.1: n-butyllithium / tetrahydrofuran; hexane / 0.75 h / -78 °C / Inert atmosphere 6.2: 1.5 h / -78 - 20 °C / Inert atmosphere 7.1: hydrogenchloride; water / tetrahydrofuran; diethyl ether; hexane View Scheme
参考文献
Organic and Biomolecular Chemistry, , vol. 9, # 15 p. 5431 - 5435