2,4-dichloro-6-methylaniline

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

実験手順: N,N-Dimethyl-5-methyl-2-iodophenylacetamide (3.5 g, 11.5 mmol) and 2,4-dichloro-6-methylaniline (4.1 g, 23 mmol) are stirred in xylenes (100 ml) with copper powder (0.18 g, 2.9 mmol), copper(I) iodide (0.55 g, 2.9 mmol) and anhydrous potassium carbonate (1.6 g, 11.5 mmol). The reaction is heated to reflux temperature for 48 hours. While still slightly warm (40°) the brown suspension is filtered through a pad of Celite, which in turn is rinsed with toluene (75 ml). The filtrate is evaporated on a rotovap and flash chromatographed on silica gel (Rf 0.30 in 40% EtOAc/hexane) to give N,N-dimethyl-5-methyl-2-(2′,4′-dichloro-6′-methylanilino)phenylacetamide as an off-white crystalline solid, m.p. 119-124°. The reaction is heated to reflux temperature for 48 hours While still slightly warm (40°) the brown suspension is filtered through a pad of Celite, which in turn is rinsed with toluene (75 ml) The filtrate is evaporated on a rotovap and flash chromatographed on silica gel (Rf 0.30 in 40% EtOAc/hexane)

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

実験手順: N,N-Dimethyl-5-methyl-2-iodophenylacetamide (3.5 g, 11.5 mmol) and 2,4-dichloro-6-methylaniline (4.1 g, 23 mmol) are stirred in xylenes (100 ml) with copper powder (0.18 g, 2.9 mmol), copper(I) iodide (0.55 g, 2.9 mmol) and anhydrous potassium carbonate (1.6 g, 11.5 mmol). The reaction is heated to reflux temperature for 48 hours. While still slightly warm (40°) the brown suspension is filtered through a pad of Celite, which in turn is rinsed with toluene (75 ml). The filtrate is evaporated on a rotovap and flash chromatographed on silica gel (Rf 0.30 in 40% EtOAc/hexane) to give N,N-dimethyl-5-methyl-2-(2′,4′-dichloro-6′-methylanilino)phenylacetamide as an off-white crystalline solid, m.p. 119-124°. The reaction is heated to reflux temperature for 48 hours While still slightly warm (40°) the brown suspension is filtered through a pad of Celite, which in turn is rinsed with toluene (75 ml) The filtrate is evaporated on a rotovap and flash chromatographed on silica gel (Rf 0.30 in 40% EtOAc/hexane)

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

実験手順: N,N-Dimethyl-5-methyl-2-iodophenylacetamide (3.5 g, 11.5 mmol) and 2,4-dichloro-6-methylaniline (4.1 g, 23 mmol) are stirred in xylenes (100 ml) with copper powder (0.18 g, 2.9 mmol), copper(I) iodide (0.55 g, 2.9 mmol) and anhydrous potassium carbonate (1.6 g, 11.5 mmol). The reaction is heated to reflux temperature for 48 hours. While still slightly warm (40°) the brown suspension is filtered through a pad of Celite, which in turn is rinsed with toluene (75 ml). The filtrate is evaporated on a rotovap and flash chromatographed on silica gel (Rf 0.30 in 40% EtOAc/hexane) to give N,N-dimethyl-5-methyl-2-(2′,4′-dichloro-6′-methylanilino)phenylacetamide as an off-white crystalline solid, m.p. 119-124°. The reaction is heated to reflux temperature for 48 hours While still slightly warm (40°) the brown suspension is filtered through a pad of Celite, which in turn is rinsed with toluene (75 ml) The filtrate is evaporated on a rotovap and flash chromatographed on silica gel (Rf 0.30 in 40% EtOAc/hexane)

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

実験手順: Thiophosgene (17.0 g, 148 mmol) was added dropwise to a stirred mixture of 2,4-dichloro-6-methylaniline (20.0 g, 114 mmol) in tetrahydrofuran (100 mL) and saturated aqueous sodium hydrogen carbonate (100 mL) at 0° C., and the mixture was stirred at room temperature for 90 minutes. The mixture was diluted with saturated aqueous sodium hydrogen carbonate, and extracted with ethyl acetate. The combined organic layer was washed with brine, dried over anhydrous magnesium sulfate, filtered and concentrated in vacuo. The residue was washed with n-hexane to give the title compound as a colorless powder (14.4 g, 66.0 mmol, 58%). extracted with ethyl acetate The combined organic layer was washed with brine dried over anhydrous magnesium sulfate filtered concentrated in vacuo The residue was washed with n-hexane

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

実験手順: N,N-Dimethyl-5-methyl-2-iodophenylacetamide (3.5 g, 11.5 mmol) and 2,4-dichloro-6-methylaniline (4.1 g, 23 mmol) are stirred in xylenes (100 ml) with copper powder (0.18 g, 2.9 mmol), copper(l) iodide (0.55 g, 2.9 mmol) and anhydrous potassium carbonate (1.6 g, 11.5 mmol). The reaction is heated to reflux temperature for 48 hours. While still slightly warm (40°) the brown suspension is filtered through a pad of Celite, which in turn is rinsed with toluene (75 ml). The filtrate is evaporated on a rotovap and flash chromatographed on silica gel (Rf 0.30 in 40% EtOAc/hexane) to give N,N-dimethyl-5-methyl-2-(2′,4′-dichloro-6′-methylanilino) phenylacetamide as an off-white crystalline solid, m.p. 119-124°. The reaction is heated to reflux temperature for 48 hours While still slightly warm (40°) the brown suspension is filtered through a pad of Celite, which in turn is rinsed with toluene (75 ml) The filtrate is evaporated on a rotovap and flash chromatographed on silica gel (Rf 0.30 in 40% EtOAc/hexane)

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

実験手順: Thiophosgene (17.0 g, 148 mmol) was added dropwise to a stirred mixture of 2,4-dichloro-6-methylaniline (20.0 g, 114 mmol) in tetrahydrofuran (100 mL) and saturated aqueous sodium hydrogen carbonate (100 mL) at 0° C., and the mixture was stirred at room temperature for 90 minutes. The mixture was diluted with saturated aqueous sodium hydrogen carbonate, and extracted with ethyl acetate. The combined organic layer was washed with brine, dried over anhydrous magnesium sulfate, filtered and concentrated in vacuo. The residue was washed with n-hexane to give the title compound as a colorless powder (14.4 g, 66.0 mmol, 58%). extracted with ethyl acetate The combined organic layer was washed with brine dried over anhydrous magnesium sulfate filtered concentrated in vacuo The residue was washed with n-hexane

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

実験手順: N,N-Dimethyl-5-methyl-2-iodophenylacetamide (3.5 g, 11.5 mmol) and 2,4-dichloro-6-methylaniline (4.1 g, 23 mmol) are stirred in xylenes (100 ml) with copper powder (0.18 g, 2.9 mmol), copper(I) iodide (0.55 g, 2.9 mmol) and anhydrous potassium carbonate (1.6 g, 11.5 mmol). The reaction is heated to reflux temperature for 48 hours. While still slightly warm (40°) the brown suspension is filtered through a pad of Celite, which in turn is rinsed with toluene (75 ml). The filtrate is evaporated on a rotovap and flash chromatographed on silica gel (Rf 0.30 in 40% EtOAc/hexane) to give N,N-dimethyl-5-methyl-2-(2′,4′-dichloro-6′-methylanilino)phenylacetamide as an off-white crystalline solid, m.p. 119-124°. The reaction is heated to reflux temperature for 48 hours While still slightly warm (40°) the brown suspension is filtered through a pad of Celite, which in turn is rinsed with toluene (75 ml) The filtrate is evaporated on a rotovap and flash chromatographed on silica gel (Rf 0.30 in 40% EtOAc/hexane)

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

実験手順: N,N-Dimethyl-5-methyl-2-iodophenylacetamide (3.5 g, 11.5 mmol) and 2,4-dichloro-6-methylaniline (4.1 g, 23 mmol) are stirred in xylenes (100 ml) with copper powder (0.18 g, 2.9 mmol), copper(I) iodide (0.55 g, 2.9 mmol) and anhydrous potassium carbonate (1.6 g, 11.5 mmol). The reaction is heated to reflux temperature for 48 hours. While still slightly warm (40°) the brown suspension is filtered through a pad of Celite, which in turn is rinsed with toluene (75 ml). The filtrate is evaporated on a rotovap and flash chromatographed on silica gel (Rf 0.30 in 40% EtOAc/hexane) to give N,N-dimethyl-5-methyl-2-(2′,4′-dichloro-6′-methylanilino)phenylacetamide as an off-white crystalline solid, m.p. 119–124°. The reaction is heated to reflux temperature for 48 hours While still slightly warm (40°) the brown suspension is filtered through a pad of Celite, which in turn is rinsed with toluene (75 ml) The filtrate is evaporated on a rotovap and flash chromatographed on silica gel (Rf 0.30 in 40% EtOAc/hexane)

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

実験手順: N,N-Dimethyl-5-methyl-2-iodophenylacetamide (3.5 g, 11.5 mmol) and 2,4-dichloro-6-methylaniline (4.1 g, 23 mmol) are stirred in xylenes (100 ml) with copper powder (0.18 g, 2.9 mmol), copper(I) iodide (0.55 g, 2.9 mmol) and anhydrous potassium carbonate (1.6 g, 11.5 mmol). The reaction is heated to reflux temperature for 48 hours. While still slightly warm (40°) the brown suspension is filtered through a pad of Celite, which in turn is rinsed with toluene (75 ml). The filtrate is evaporated on a rotovap and flash chromatographed on silica gel (Rf 0.30 in 40% EtOAc/hexane) to give N,N-dimethyl-5-methyl-2-(2′,4′-dichloro-6′-methylanilino)phenylacetamide as an off-white crystalline solid, m.p. 119-124°. The reaction is heated to reflux temperature for 48 hours While still slightly warm (40°) the brown suspension is filtered through a pad of Celite, which in turn is rinsed with toluene (75 ml) The filtrate is evaporated on a rotovap and flash chromatographed on silica gel (Rf 0.30 in 40% EtOAc/hexane)