反应条件
1: 1.) n-BuLi / 1.) THF, RT, 2 h, 2.) THF, 4 h 2: 96 percent / N-bromosuccinimide, benzoyl peroxide / CCl4 / 3 h / Heating 3: 1.) NaH / 1.) THF, 0 deg C, 2.) THF, from 55 deg C to 60 deg C, 5 h 4: 1.) aq. NaOH, 2.) 2N H2SO4 / 1.) EtOH, reflux, 8 h, 2.) reflux, 4 h View Scheme
参考文献
Nagarathnam; Johnson
Synthetic Communications, 1993 , vol. 23, # 14 p. 2011 - 2017
