3-bromo-5-chlorobenzamide

Conditions: temp:0.00; pressure:0.00; stir:

Conditions: temp:0.00; pressure:0.00; stir:

Conditions: temp:0.00; pressure:0.00; stir:

Conditions: temp:60.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: To 3-bromo-5-chlorobenzamide (1.6 g, 6.8 mmol) in THF (10 mL) was added borane dimethyl sulfide complex (1.36 mL, 13.6 mmol) at room temperature. The mixture was then heated to 60° C. for 7 days. The solvent was pumped off and the reaction cautiously quenched with ethanol. When the bubbling ceased, 1N HCl was added until the pH was ˜2. The mixture was stirred at 50° C. for 4 h. The mixture was partitioned between EtOAc and water. The aqueous layer was washed 3× with EtOAC. The aqueous phase was then adjusted to pH 10 with 2N NaOH and extracted 3× with EtOAc. The combined organics phases were dried over anhydrous Na2SO4, filtered, and evaporated to give the title compound as a clear oil. LC-MS m/z 219.7 (M+H)+, 1.42 min (ret time). the reaction cautiously quenched with ethanol 1N HCl was added until the pH was ˜2 The mixture was partitioned between EtOAc and water The aqueous layer was washed 3× with EtOAC extracted 3× with EtOAc The combined organics phases were dried over anhydrous Na2SO4 filtered evaporated

Conditions: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: 3-Bromo-5-chlorobenzoic acid (2.35 g, 10 mmol) was suspended in CH2Cl2 (50 mL) and stirred under argon at room temperature. Oxalyl chloride (2.53 g, 20 mmol) was added followed by DMF (10 μL), and the mixture stirred overnight. The solvents were pumped off. The residue was taken up in EtOAc and added to concentrated ammonium hydroxide (10 mL). This was stirred for thirty mins. The phases were separated and the organic phase washed 1× with brine, dried over anhydrous Na2SO4, filtered, and evaporated. The residue was crystallized from EtOAc/hexane to give the title compound as a white crystalline solid. LC-MS m/z 233.7 (M+H)+, 1.57 min (ret time); analytical HPLC shows 96.5% purity, (ret time: 12.131 min). the mixture stirred overnight This was stirred for thirty mins The phases were separated the organic phase washed 1× with brine dried over anhydrous Na2SO4 filtered evaporated The residue was crystallized from EtOAc/hexane

Conditions: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: 3-Bromo-5-chlorobenzoic acid (2.35 g, 10 mmol) was suspended in CH2Cl2 (50 mL) and stirred under argon at room temperature. Oxalyl chloride (2.53 g, 20 mmol) was added followed by DMF (10 μL), and the mixture stirred overnight. The solvents were pumped off. The residue was taken up in EtOAc and added to concentrated ammonium hydroxide (10 mL). This was stirred for thirty mins. The phases were separated and the organic phase washed 1× with brine, dried over anhydrous Na2SO4, filtered, and evaporated. The residue was crystallized from EtOAc/hexane to give the title compound as a white crystalline solid. LC-MS m/z 233.7 (M+H)+, 1.57 min (ret time); analytical HPLC shows 96.5% purity, (ret time: 12.131 min). the mixture stirred overnight This was stirred for thirty mins The phases were separated the organic phase washed 1× with brine dried over anhydrous Na2SO4 filtered evaporated The residue was crystallized from EtOAc/hexane

Conditions: temp:60.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: To 3-bromo-5-chlorobenzamide (1.6 g, 6.8 mmol) in THF (10 mL) was added borane dimethyl sulfide complex (1.36 mL, 13.6 mmol) at room temperature. The mixture was then heated to 60° C. for 7 days. The solvent was pumped off and the reaction cautiously quenched with ethanol. When the bubbling ceased, 1N HCl was added until the pH was ˜2. The mixture was stirred at 50° C. for 4 h. The mixture was partitioned between EtOAc and water. The aqueous layer was washed 3× with EtOAC. The aqueous phase was then adjusted to pH 10 with 2N NaOH and extracted 3× with EtOAc. The combined organics phases were dried over anhydrous Na2SO4, filtered, and evaporated to give the title compound as a clear oil. LC-MS m/z 219.7 (M+H)+, 1.42 min (ret time). the reaction cautiously quenched with ethanol 1N HCl was added until the pH was ˜2 The mixture was partitioned between EtOAc and water The aqueous layer was washed 3× with EtOAC extracted 3× with EtOAc The combined organics phases were dried over anhydrous Na2SO4 filtered evaporated

Conditions: temp:60.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: To 3-bromo-5-chlorobenzamide (1.6 g, 6.8 mmol) in THF (10 mL) was added borane dimethyl sulfide complex (1.36 mL, 13.6 mmol) at room temperature. The mixture was then heated to 60° C. for 7 days. The solvent was pumped off and the reaction cautiously quenched with ethanol. When the bubbling ceased, 1N HCl was added until the pH was ˜2. The mixture was stirred at 50° C. for 4 h. The mixture was partitioned between EtOAc and water. The aqueous layer was washed 3× with EtOAC. The aqueous phase was then adjusted to pH 10 with 2N NaOH and extracted 3× with EtOAc. The combined organics phases were dried over anhydrous Na2SO4, filtered, and evaporated to give the title compound as a clear oil. LC-MS m/z 219.7 (M+H)+, 1.42 min (ret time). the reaction cautiously quenched with ethanol 1N HCl was added until the pH was ˜2 The mixture was partitioned between EtOAc and water The aqueous layer was washed 3× with EtOAC extracted 3× with EtOAc The combined organics phases were dried over anhydrous Na2SO4 filtered evaporated

Conditions: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: 3-Bromo-5-chlorobenzoic acid (2.35 g, 10 mmol) was suspended in CH2Cl2 (50 mL) and stirred under argon at room temperature. Oxalyl chloride (2.53 g, 20 mmol) was added followed by DMF (10 μL), and the mixture stirred overnight. The solvents were pumped off. The residue was taken up in EtOAc and added to concentrated ammonium hydroxide (10 mL). This was stirred for thirty mins. The phases were separated and the organic phase washed 1× with brine, dried over anhydrous Na2SO4, filtered, and evaporated. The residue was crystallized from EtOAc/hexane to give the title compound as a white crystalline solid. LC-MS m/z 233.7 (M+H)+, 1.57 min (ret time); analytical HPLC shows 96.5% purity, (ret time: 12.131 min). the mixture stirred overnight This was stirred for thirty mins The phases were separated the organic phase washed 1× with brine dried over anhydrous Na2SO4 filtered evaporated The residue was crystallized from EtOAc/hexane

Conditions: temp:60.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: To 3-bromo-5-chlorobenzamide (1.6 g, 6.8 mmol) in THF (10 mL) was added borane dimethyl sulfide complex (1.36 mL, 13.6 mmol) at room temperature. The mixture was then heated to 60° C. for 7 days. The solvent was pumped off and the reaction cautiously quenched with ethanol. When bubbling ceased, 1N HCl was added until pH was ˜2. The mixture was stirred at 50° C. for 4 h. The mixture was partitioned between EtOAc and water. The aqueous was washed 3× with ethyl acetate. The aqueous was then adjusted to pH 10 with 2N NaOH and extracted 3× with EtOAc. The combined organics phases were dried over anhydrous Na2SO4, filtered, and concentrated to give the title compound as a clear oil. LC-MS m/z 219.7 (M+H)+, 1.42 min (ret time). the reaction cautiously quenched with ethanol When bubbling 1N HCl was added until pH was ˜2 The mixture was partitioned between EtOAc and water The aqueous was washed 3× with ethyl acetate extracted 3× with EtOAc The combined organics phases were dried over anhydrous Na2SO4 filtered concentrated

Conditions: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: 3-Bromo-5-chlorobenzoic acid (2.35 g, 10 mmol) was suspended in CH2Cl2 (50 mL) and stirred under argon at room temperature. Oxalyl chloride (2.53 g, 20 mmol) was added followed by DMF (10 μL), and the mixture stirred overnight. The solvents were pumped off. The residue was taken up in EtOAc and added to concentrated ammonium hydroxide (10 mL). This was stirred for thirty min. The phases were separated and the organic layer was washed 1× with brine, dried over anhydrous Na2SO4, filtered, and concentrated. The residue was crystallized from EtOAc/hexane to give the title compound as a white crystalline solid. LC-MS m/z 233.7 (M+H)+, 1.57 min (ret time); analytical HPLC shows 96.5% purity, (ret time 12.131 min). the mixture stirred overnight This was stirred for thirty min The phases were separated the organic layer was washed 1× with brine dried over anhydrous Na2SO4 filtered concentrated The residue was crystallized from EtOAc/hexane

Conditions: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: 3-Bromo-5-chlorobenzoic acid (2.35 g, 10 mmol) was suspended in CH2Cl2 (50 mL) and stirred under argon at room temperature. Oxalyl chloride (2.53 g, 20 mmol) was added followed by DMF (10 μL), and the mixture stirred overnight. The solvents were pumped off. The residue was taken up in EtOAc and added to concentrated ammonium hydroxide (10 mL). This was stirred for thirty min. The phases were separated and the organic layer was washed 1× with brine, dried over anhydrous Na2SO4, filtered, and concentrated. The residue was crystallized from EtOAc/hexane to give the title compound as a white crystalline solid. LC-MS m/z 233.7 (M+H)+, 1.57 min (ret time); analytical HPLC shows 96.5% purity, (ret time 12.131 min). the mixture stirred overnight This was stirred for thirty min The phases were separated the organic layer was washed 1× with brine dried over anhydrous Na2SO4 filtered concentrated The residue was crystallized from EtOAc/hexane