1: 70 percent / aq. HCl / tetrahydrofuran / 0.25 h / Ambient temperature 2: trifluoroacetanhydride, pyridine / diethyl ether / 0.25 h / Ambient temperature View Scheme

With  N-bromosuccinmide; azobisisobutyronitrile in  tetrachloromethane 3 h;  Heating;   

With  hydrogenchloride in  tetrahydrofuran 0.25 h;  Ambient temperature;