1-bromo-6-chlorohexan-3-one

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

Procedure: Bromine (2.0 mL, 39 mmol) was added slowly to a solution of 1-(3-chloro-propyl)-cyclopropanol (5.0 g, 34 mmol) in i-PrOH (80% in water, 30 mL) at 0° C. The reaction mixture was stirred at room temperature for 1 hr then diluted with water (15 mL). The aqueous layer was extracted with EtOAc (3×30 mL) and the organic extracts were dried over magnesium sulfate, filtered and concentrated under reduced pressure to afford crude 1-bromo-6-chloro-hexan-3-one. The aqueous layer was extracted with EtOAc (3×30 mL) the organic extracts were dried over magnesium sulfate filtered concentrated under reduced pressure

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

Procedure: Bromine (2.0 mL, 39 mmol) was added slowly to a solution of 1-(3-chloro-propyl)-cyclopropanol (5.0 g, 34 mmol) in i-PrOH (80% in water, 30 mL) at 0° C. The reaction mixture was stirred at room temperature for 1 hr then diluted with water (15 mL). The aqueous layer was extracted with EtOAc (3×30 mL) and the organic extracts were dried over magnesium sulfate, filtered and concentrated under reduced pressure to afford crude 1-bromo-6-chloro-hexan-3-one. The aqueous layer was extracted with EtOAc (3×30 mL) the organic extracts were dried over magnesium sulfate filtered concentrated under reduced pressure

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

Procedure: Bromine (2.0 mL, 39 mmol) was added slowly to a solution of 1-(3-chloropropyl)cyclopropanol (5.0 g, 34 mmol) in isopropanol (80% solution in water, 30 mL) at 0° C. The reaction mixture was stirred at ambient temperature for 1 hour and then was quenched with water (15 mL) and extracted with ethyl acetate (3×30 mL). The organic layers were combined, dried over magnesium sulfate, filtered, and concentrated under reduced pressure to afford 1-bromo-6-chlorohexan-3-one, which was used without further purification. was quenched with water (15 mL) extracted with ethyl acetate (3×30 mL) dried over magnesium sulfate filtered concentrated under reduced pressure

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

Procedure: Bromine (2.0 mL, 39 mmol) was added slowly to a solution of 1-(3-chloro-propyl)-cyclopropanol (5.0 g, 34 mmol) in i-PrOH (80% in water, 30 mL) at 0° C. The reaction mixture was stirred at room temperature for 1 hr then diluted with water (15 mL). The aqueous layer was extracted with EtOAc (3×30 mL) and the organic extracts were dried over magnesium sulfate, filtered and concentrated under reduced pressure to afford crude 1-bromo-6-chloro-hexan-3-one. The aqueous layer was extracted with EtOAc (3×30 mL) the organic extracts were dried over magnesium sulfate filtered concentrated under reduced pressure