boron tribromide in chloroform Heating;

1: 81.4 percent / pyridine / 0.17 h / 100 °C 2: 69.1 percent / KOH / pyridine / 0.17 h / 100 °C 3: 70.8 percent / H2SO4 / acetic acid / 0.17 h / 100 °C 4: 85.4 percent / BBr3 / CH2Cl2 / 5 h / Ambient temperature 5: 73.1 percent / I2, TlOAc / CH2Cl2 / Ambient temperature 6: 71.3 percent / K2CO3 / Heating 7: 50 percent / Pd(PPh3)4, NaOH / dimethylformamide; H2O / 2 h / 80 °C 8: 30 percent / BBr3 / CHCl3 / Heating View Scheme

1: 71.3 percent / K2CO3 / Heating 2: 50 percent / Pd(PPh3)4, NaOH / dimethylformamide; H2O / 2 h / 80 °C 3: 30 percent / BBr3 / CHCl3 / Heating View Scheme

1: 50 percent / Pd(PPh3)4, NaOH / dimethylformamide; H2O / 2 h / 80 °C 2: 30 percent / BBr3 / CHCl3 / Heating View Scheme

1: 73.1 percent / I2, TlOAc / CH2Cl2 / Ambient temperature 2: 71.3 percent / K2CO3 / Heating 3: 50 percent / Pd(PPh3)4, NaOH / dimethylformamide; H2O / 2 h / 80 °C 4: 30 percent / BBr3 / CHCl3 / Heating View Scheme

1: 85.4 percent / BBr3 / CH2Cl2 / 5 h / Ambient temperature 2: 73.1 percent / I2, TlOAc / CH2Cl2 / Ambient temperature 3: 71.3 percent / K2CO3 / Heating 4: 50 percent / Pd(PPh3)4, NaOH / dimethylformamide; H2O / 2 h / 80 °C 5: 30 percent / BBr3 / CHCl3 / Heating View Scheme

1: 69.1 percent / KOH / pyridine / 0.17 h / 100 °C 2: 70.8 percent / H2SO4 / acetic acid / 0.17 h / 100 °C 3: 85.4 percent / BBr3 / CH2Cl2 / 5 h / Ambient temperature 4: 73.1 percent / I2, TlOAc / CH2Cl2 / Ambient temperature 5: 71.3 percent / K2CO3 / Heating 6: 50 percent / Pd(PPh3)4, NaOH / dimethylformamide; H2O / 2 h / 80 °C 7: 30 percent / BBr3 / CHCl3 / Heating View Scheme

1: 70.8 percent / H2SO4 / acetic acid / 0.17 h / 100 °C 2: 85.4 percent / BBr3 / CH2Cl2 / 5 h / Ambient temperature 3: 73.1 percent / I2, TlOAc / CH2Cl2 / Ambient temperature 4: 71.3 percent / K2CO3 / Heating 5: 50 percent / Pd(PPh3)4, NaOH / dimethylformamide; H2O / 2 h / 80 °C 6: 30 percent / BBr3 / CHCl3 / Heating View Scheme

1: 81.4 percent / pyridine / 0.17 h / 100 °C 2: 69.1 percent / KOH / pyridine / 0.17 h / 100 °C 3: 70.8 percent / H2SO4 / acetic acid / 0.17 h / 100 °C 4: 85.4 percent / BBr3 / CH2Cl2 / 5 h / Ambient temperature 5: 73.1 percent / I2, TlOAc / CH2Cl2 / Ambient temperature 6: 71.3 percent / K2CO3 / Heating 7: 50 percent / Pd(PPh3)4, NaOH / dimethylformamide; H2O / 2 h / 80 °C 8: 30 percent / BBr3 / CHCl3 / Heating View Scheme

hydrogen bromide Heating;