反应条件
1: 58 percent / Br2, AlCl3 / CH2Cl2 / 18 h / Ambient temperature
2: 56 percent / AlCl3 / benzene / 1 h / Ambient temperature
3: 1.) n-butyllithium / 1.) THF, 1 h, 2.) 25 min
4: 36 percent / PBr3 / benzene / 2.5 h / 75 °C
5: 1.) ethylmagnesium bromide / 1.) THF, ether, reflux, 3 h, 2.) reflux
6: 1.) methanesulfonic acid / 2.) 10 percent Pd/C / 1.) CHCl3, r.t., 2.) triglyme, reflux
View Scheme
参考文献
Harvey, Ronald G.; Pataki, John; Cortez, Cecilia; Raddo, Pasquale Di; Yang, ChengXi
Journal of Organic Chemistry, 1991 , vol. 56, # 3 p. 1210 - 1217
