tetrabutyl ammonium fluoride in tetrahydrofuran 0.666667 h; Ambient temperature;

1: pyridine 2: Irradiation; bromination 3: AgF / acetonitrile / Ambient temperature 4: n-Bu4NF / tetrahydrofuran View Scheme

1: N-bromosuccinimide / CCl4 / 2 h / Heating; Irradiation 2: NaHCO3 / H2O; tetrahydrofuran / Ambient temperature 3: 73 percent / MnO2 / toluene / 5 h / Heating 4: 70 percent / diethylamino-sulfur trifluoride / CH2Cl2 / Ambient temperature 5: 58 percent / tetra-n-butylammonium fluoride / tetrahydrofuran / 0.67 h / Ambient temperature View Scheme

1: 70 percent / diethylamino-sulfur trifluoride / CH2Cl2 / Ambient temperature 2: 58 percent / tetra-n-butylammonium fluoride / tetrahydrofuran / 0.67 h / Ambient temperature View Scheme

1: 73 percent / MnO2 / toluene / 5 h / Heating 2: 70 percent / diethylamino-sulfur trifluoride / CH2Cl2 / Ambient temperature 3: 58 percent / tetra-n-butylammonium fluoride / tetrahydrofuran / 0.67 h / Ambient temperature View Scheme

1: NaHCO3 / H2O; tetrahydrofuran / Ambient temperature 2: 73 percent / MnO2 / toluene / 5 h / Heating 3: 70 percent / diethylamino-sulfur trifluoride / CH2Cl2 / Ambient temperature 4: 58 percent / tetra-n-butylammonium fluoride / tetrahydrofuran / 0.67 h / Ambient temperature View Scheme

1: Irradiation; bromination 2: AgF / acetonitrile / Ambient temperature 3: n-Bu4NF / tetrahydrofuran View Scheme