反应条件
1: 1.) K2CO3 / 1.)MeOH, H2O, 15 min, r.t., 2.a) 5 to 10 deg C, 15 min, b) 24 h, r.t. 2: 80 percent / N-bromosuccinimide, benzoyl peroxide / CCl4 / 8 h / Heating 3: 60 percent / AgBF4 / 1,2-dichloro-ethane / 18 h / 25 °C 4: 78 percent / conc. HCl / 18 h / Heating View Scheme
