2,2,2-trifluoro-N-(2-methylsulfonylethyl)acetamide

反応条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

実験手順: Sodium hydride (60% dispersion in mineral oil, 0.190 g, 4.75 mmol) was added to a solution of N-(2-methylsulphonylethyl)trifluoroacetamide (0.986 g, 4.50 mmol) in dry DMF (10 ml) and the mixture was stirred under a nitrogen atmosphere for 30 minutes. Ethyl bromoacetate (0.55 ml, 0.828 g, 4.96 mmol) was added and the mixture was stirred at room temperature overnight. The mixture was poured into ice-water, and extracted with ethyl acetate. This solution was washed with water, dried (MgSO4), and concentrated in vacuo to give the title compound as a white solid (1.239 g, 4.03 mmol, 90%); δH CDCl3 4.17 (4H, m), 3.91 (2H, t), 3.46 (2H, t), 2.98 (3H, s), 1.30 (3H, t). the mixture was stirred at room temperature overnight extracted with ethyl acetate This solution was washed with water dried (MgSO4) concentrated in vacuo

反応条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

実験手順: Sodium hydride (60% dispersion in mineral oil, 0.190 g, 4.75 mmol) was added to a solution of N-(2-methylsulphonylethyl)trifluoroacetamide (0.986 g, 4.50 mmol) in dry DMF (10 ml) and the mixture was stirred under a nitrogen atmosphere for 30 minutes. Ethyl bromoacetate (0.55 ml, 0.828 g, 4.96 mmol) was added and the mixture was stirred at room temperature overnight. The mixture was poured into ice-water, and extracted with ethyl acetate. This solution was washed with water, dried (MgSO4), and concentrated in vacuo to give the title compound as a white solid (1.239 g, 4.03 mmol, 90%); δH CDCl3 4.17 (4H, m), 3.91 (2H, t), 3.46 (2H, t), 2.98 (3H, s), 1.30 (3H, t). the mixture was stirred at room temperature overnight extracted with ethyl acetate This solution was washed with water dried (MgSO4) concentrated in vacuo

反応条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

実験手順: A solution of N-(2-methylthioethyl) trifluoroacetamide (19.0 g, 109.7 mmol) in methanol (200 ml) was cooled to 0° C. using an ice bath. A suspension of Oxone™ (2KHSO5.KHSO4.K2SO4) (74.19 g, 120.67 mmol) in water (100 ml) was added portionwise over 10 minutes, and the reaction was stirred at room temperature for 24 hours. The methanol was removed in vacuo, water (600 ml) was added and the mixture was extracted with dichloromethane (3×300 ml). The combined extracts were dried (MgSO4), and concentrated in vacuo to give the title compound as a white solid (12.42 g, 56.7 mmol, 52%); δH CDCl3 7.33 (1H, br s), 3.93 (2H, q), 3.31 (2H, t), 3.02 (3H, s). was added portionwise over 10 minutes The methanol was removed in vacuo, water (600 ml) was added the mixture was extracted with dichloromethane (3×300 ml) The combined extracts were dried (MgSO4) concentrated in vacuo

反応条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

実験手順: A solution of N-(2-methylthioethyl) trifluoroacetamide (19.0 g, 109.7 mmol) in methanol (200 ml) was cooled to 0° C. using an ice bath. A suspension of Oxone™ (2KHSO5.KHSO4.K2SO4) (74.19 g, 120.67 mmol) in water (100 ml) was added portionwise over 10 minutes, and the reaction was stirred at room temperature for 24 hours. The methanol was removed in vacuo, water (600 ml) was added and the mixture was extracted with dichloromethane (3×300 ml). The combined extracts were dried (MgSO4), and concentrated in vacuo to give the title compound as a white solid (12.42 g, 56.7 mmol, 52%); δH CDCl3 7.33 (1H, br s), 3.93 (2H, q), 3.31 (2H, t), 3.02 (3H, s). was added portionwise over 10 minutes The methanol was removed in vacuo, water (600 ml) was added the mixture was extracted with dichloromethane (3×300 ml) The combined extracts were dried (MgSO4) concentrated in vacuo

反応条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

実験手順: Sodium hydride (60% dispersion in mineral oil, 0.190 g, 4.75 mmol) was added to a solution of N-(2-methylsulphonylethyl)trifluoroacetamide (0.986 g, 4.50 mmol) in dry DMF (10 ml) and the mixture was stirred under a nitrogen atmosphere for 30 minutes. Ethyl bromoacetate (0.55 ml, 0.828 g, 4.96 mmol) was added and the mixture was stirred at room temperature overnight. The mixture was poured into ice-water, and extracted with ethyl acetate. This solution was washed with water, dried (MgSO4), and concentrated in vacuo to give the title compound as a white solid (1.239 g, 4.03 mmol, 90%); δH CDCl3 4.17 (4H,m), 3.91 (2H,t), 3.46 (2H,t), 2.98 (3H,s), 1.30 (3H,t). the mixture was stirred at room temperature overnight extracted with ethyl acetate This solution was washed with water dried (MgSO4) concentrated in vacuo

反応条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

実験手順: A solution of N-(2-methylthioethyl)trifluoroacetamide (19.0 g, 109.7 mmol) in methanol (200 ml) was cooled to 0° C. using an ice bath. A suspension of Oxone™ (2KHSO5.KHSO4.K2SO4) (74.19 g, 120.67 mmol) in water (100 ml) was added portionwise over 10 minutes, and the reaction was stirred at room temperature for 24 hours. The methanol was removed in vacuo, water (600 ml) was added and the mixture was extracted with dichloromethane (3×300 ml). The combined extracts were dried (MgSO4), and concentrated in vacuo to give the title compound as a white solid (12.42 g, 56.7 mmol, 52%); δH CDCl3 7.33 (1H,br s), 3.93 (2H,q), 3.31 (2H,t), 3.02 (3H,s). was added portionwise over 10 minutes The methanol was removed in vacuo, water (600 ml) was added the mixture was extracted with dichloromethane (3×300 ml) The combined extracts were dried (MgSO4) concentrated in vacuo