silver(I) acetate; acetic acid; zinc in methanol T=60°C; 24 h;

1: 96 percent / silver acetate, glacialacetic acid, zinc powder (activated by HCl) / methanol / 24 h / 60 °C 2: 43 percent / N-bromosuccinimide, benzoyl peroxide / CCl4 / 2.5 h / Heating 3: 92 percent / silver perchlorate / H2O; acetone / 1 h View Scheme

With  N-bromosuccinmide; dibenzoyl peroxide in  tetrachloromethane 3 h;  Heating;   

Multi-step reaction with 2 steps 1: 51 percent / benzoyl peroxide, N-bromosuccinimide / CCl4 / 3 h / Heating2: 86 percent / silver perchlorate / acetone / 1.) room temp. 50 min; 2.) 50 deg C, 1 h