1: 25 percent / K2CO3 / acetone / 60 °C 2: 1.) N-bromosuccinimide, benzoyl peroxide, 2.) Na / 1.) CCl4, reflux, 3 h, 2.) ethanol, reflux, 4 h View Scheme

N-bromosuccinmide; meta-chloroperoxybenzoic acid; sodium 1.) CCl4, reflux, 3 h, 2.) ethanol, reflux, 4 h; Yield given. Multistep reaction;