water; fluorine in dichloromethane; acetonitrile T=20°C; 1 h; Inert atmosphereFlow reactor;

silver nitrate in diethyl ether 1.) 5 deg C, in dark, 2.) room temperature, 18 h;

1: 95 percent / NaI / butan-2-one / 1 h / Heating 2: 70 percent / AgNO2 / diethyl ether / 1.) 5 deg C, in dark, 2.) room temperature, 18 h View Scheme

1: 67 percent / 47 percent hydrogen bromide / acetic acid / 18 h / Heating 2: 95 percent / NaI / butan-2-one / 1 h / Heating 3: 70 percent / AgNO2 / diethyl ether / 1.) 5 deg C, in dark, 2.) room temperature, 18 h View Scheme

1: 89.2 percent / borane-dimethyl sulphide / CH2Cl2 / 1.) 24 deg C, 30 min, 2.) reflux, 2 h 2: 67 percent / 47 percent hydrogen bromide / acetic acid / 18 h / Heating 3: 95 percent / NaI / butan-2-one / 1 h / Heating 4: 70 percent / AgNO2 / diethyl ether / 1.) 5 deg C, in dark, 2.) room temperature, 18 h View Scheme