5-bromo-2-fluoro-3-methylbenzonitrile

Conditions: temp:140.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: 5-Bromo-3-methyl-2-(1H-1,2,4-triazol-1-yl)benzonitrile (DI71): To a stirred solution of 5-bromo-2-fluoro-3-methylbenzonitrile (1.0 g, 47.716 mmol), in DMF (10.0 mL) was added K2CO3 (1.95 g, 14.14 mmol) followed by 1H-1,2,4-triazole (0.811 g, 9.433 mmol) at ambient temperature. The reaction mixture was heated to 140° C. for 18 h. The reaction mixture was cooled to ambient temperature, diluted with water and extracted with EtOAc (2×100 mL). The combined EtOAc layer was washed with brine and dried over Na2SO4 and concentrated under reduced pressure to afford the crude compound purified by flash column chromatography (SiO2, 100-200 mesh; eluting with 30% EtOAc/pet ether) to afford the title compound as a pink solid (0.6 g, 49%): 1H NMR (400 MHz, CDCl3) δ 8.39 (s, 1H), 8.23 (s, 1H), 7.91 (d, J=2.4 Hz, 2H), 2.21 (s, 3H), ESIMS m/z 262.57 ([M+H]+); IR (thin film) 2231, 554 cm−1. The reaction mixture was cooled to ambient temperature extracted with EtOAc (2×100 mL) The combined EtOAc layer was washed with brine dried over Na2SO4 concentrated under reduced pressure to afford the crude compound purified by flash column chromatography (SiO2, 100-200 mesh; eluting with 30% EtOAc/pet ether)

Conditions: temp:140.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: 5-Bromo-3-methyl-2-(1H-1,2,4-triazol-1-yl)benzonitrile (DI71): To a stirred solution of 5-bromo-2-fluoro-3-methylbenzonitrile (1.0 g, 47.716 mmol), in DMF (10.0 mL) was added K2CO3 (1.95 g, 14.14 mmol) followed by 1H-1,2,4-triazole (0.811 g, 9.433 mmol) at ambient temperature. The reaction mixture was heated to 140° C. for 18 h. The reaction mixture was cooled to ambient temperature, diluted with water and extracted with EtOAc (2×100 mL). The combined EtOAc layer was washed with brine and dried over Na2SO4 and concentrated under reduced pressure to afford the crude compound purified by flash column chromatography (SiO2, 100-200 mesh; eluting with 30% EtOAc/pet ether) to afford the title compound as a pink solid (0.6 g, 49%): 1H NMR (400 MHz, CDCl3) δ 8.39 (s, 1H), 8.23 (s, 1H), 7.91 (d, J=2.4 Hz, 2H), 2.21 (s, 3H), ESIMS m/z 262.57 ([M+H]+); IR (thin film) 2231, 554 cm−1. The reaction mixture was cooled to ambient temperature extracted with EtOAc (2×100 mL) The combined EtOAc layer was washed with brine dried over Na2SO4 concentrated under reduced pressure to afford the crude compound purified by flash column chromatography (SiO2, 100-200 mesh; eluting with 30% EtOAc/pet ether)

Conditions: temp:140.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: 5-Bromo-3-methyl-2-(1H-1,2,4-triazol-1-yl)benzonitrile (DI71): To a stirred solution of 5-bromo-2-fluoro-3-methylbenzonitrile (1.0 g, 47.716 mmol), in DMF (10.0 mL) was added K2CO3 (1.95 g, 14.14 mmol) followed by 1H-1,2,4-triazole (0.811 g, 9.433 mmol) at ambient temperature. The reaction mixture was heated to 140° C. for 18 h. The reaction mixture was cooled to ambient temperature, diluted with water and extracted with EtOAc (2×100 mL). The combined EtOAc layer was washed with brine and dried over Na2SO4 and concentrated under reduced pressure to afford the crude compound purified by flash column chromatography (SiO2, 100-200 mesh; eluting with 30% EtOAc/pet ether) to afford the title compound as a pink solid (0.6 g, 49%): 1H NMR (400 MHz, CDCl3) δ 8.39 (s, 1H), 8.23 (s, 1H), 7.91 (d, J=2.4 Hz, 2H), 2.21 (s, 3H), ESIMS m/z 262.57 ([M+H]+); IR (thin film) 2231, 554 cm−1. The reaction mixture was cooled to ambient temperature extracted with EtOAc (2×100 mL) The combined EtOAc layer was washed with brine dried over Na2SO4 concentrated under reduced pressure to afford the crude compound purified by flash column chromatography (SiO2, 100-200 mesh; eluting with 30% EtOAc/pet ether)

Conditions: temp:140.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: To a stirred solution of 5-bromo-2-fluoro-3-methylbenzonitrile (1.0 g, 47.716 mmol), in DMF (10.0 mL) was added potassium carbonate (1.95 g, 14.14 mmol) followed by 1H-1,2,4-triazole (0.811 g, 9.433 mmol) at RT. The reaction mixture was heated to 140° C. for 18 h. The reaction mixture was cooled to RT, diluted with water and extracted with ethyl acetate (2×100 mL). The combined ethyl acetate layer was washed with brine and dried over Na2SO4 and concentrated under reduced pressure to afford the crude compound purified by flash column chromatography (SiO2, 100-200 mesh; eluting with 30% ethyl acetate/pet ether) to afford the title compound as a pink solid (0.6 g, 49%): 1H NMR (400 MHz, CDCl3) δ 8.39 (s, 1H), 8.23 (s, 1H), 7.91 (d, J=2.4 Hz, 2H), 2.21 (s, 3H), ESIMS m/z 262.57 ([M+H]+); IR (thin film) 2231, 554 cm−1. The reaction mixture was cooled to RT extracted with ethyl acetate (2×100 mL) The combined ethyl acetate layer was washed with brine dried over Na2SO4 concentrated under reduced pressure to afford the crude compound purified by flash column chromatography (SiO2, 100-200 mesh; eluting with 30% ethyl acetate/pet ether)

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

Procedure: A stirred solution of (E)-5-bromo-2-fluoro-3-methylbenzaldehyde oxime (0.5 g, 2.2 mmol) in acetic anhydride (5.0 mL) was heated to reflux for 18 h. The reaction mixture was diluted with water and extracted with ethyl acetate. The combined ethyl acetate layer was washed with brine and dried over Na2SO4 and concentrated under reduced pressure to afford the crude compound as a light brown gummy material (0.4 g, crude): ESIMS m/z 213.82 ([M+H]+). to reflux for 18 h extracted with ethyl acetate The combined ethyl acetate layer was washed with brine dried over Na2SO4 concentrated under reduced pressure

Conditions: temp:140.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: 5-Bromo-3-methyl-2-(1H-1,2,4-triazol-1-yl)benzonitrile (DI71): To a stirred solution of 5-bromo-2-fluoro-3-methylbenzonitrile (1.0 g, 47.716 mmol), in DMF (10.0 mL) was added K2CO3 (1.95 g, 14.14 mmol) followed by 1H-1,2,4-triazole (0.811 g, 9.433 mmol) at ambient temperature. The reaction mixture was heated to 140° C. for 18 h. The reaction mixture was cooled to ambient temperature, diluted with water and extracted with EtOAc (2×100 mL). The combined EtOAc layer was washed with brine and dried over Na2SO4 and concentrated under reduced pressure to afford the crude compound purified by flash column chromatography (SiO2, 100-200 mesh; eluting with 30% EtOAc/pet ether) to afford the title compound as a pink solid (0.6 g, 49%): 1H NMR (400 MHz, CDCl3) δ 8.39 (s, 1H), 8.23 (s, 1H), 7.91 (d, J=2.4 Hz, 2H), 2.21 (s, 3H), ESIMS m/z 262.57 ([M+H]+); IR (thin film) 2231, 554 cm−1. The reaction mixture was cooled to ambient temperature extracted with EtOAc (2×100 mL) The combined EtOAc layer was washed with brine dried over Na2SO4 concentrated under reduced pressure to afford the crude compound purified by flash column chromatography (SiO2, 100-200 mesh; eluting with 30% EtOAc/pet ether)

Conditions: temp:140.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: To a stirred solution of 5-bromo-2-fluoro-3-methylbenzonitrile (1.0 g, 47.716 mmol), in DMF (10.0 mL) was added potassium carbonate (1.95 g, 14.14 mmol) followed by 1H-1,2,4-triazole (0.811 g, 9.433 mmol) at ambient temperature. The reaction mixture was heated to 140° C. for 18 h. The reaction mixture was cooled to ambient temperature, diluted with water and extracted with ethyl acetate (2×100 mL). The combined ethyl acetate layer was washed with brine and dried over Na2SO4 and concentrated under reduced pressure to afford the crude compound purified by flash column chromatography (SiO2, 100-200 mesh; eluting with 30% ethyl acetate/pet ether) to afford the title compound as a pink solid (0.6 g, 49%): 1H NMR (400 MHz, CDCl3) δ 8.39 (s, 1H), 8.23 (s, 1H), 7.91 (d, J=2.4 Hz, 2H), 2.21 (s, 3H), ESIMS m/z 262.57 ([M+H]+); IR (thin film) 2231, 554 cm−1. The reaction mixture was cooled to ambient temperature extracted with ethyl acetate (2×100 mL) The combined ethyl acetate layer was washed with brine dried over Na2SO4 concentrated under reduced pressure to afford the crude compound purified by flash column chromatography (SiO2, 100-200 mesh; eluting with 30% ethyl acetate/pet ether)

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

Procedure: A stirred solution of (E)-5-bromo-2-fluoro-3-methylbenzaldehyde oxime (0.5 g, 2.2 mmol) in acetic anhydride (5.0 mL) was heated to reflux for 18 h. The reaction mixture was diluted with water and extracted with ethyl acetate. The combined ethyl acetate layer was washed with brine and dried over Na2SO4 and concentrated under reduced pressure to afford the crude compound as a light brown gummy material (0.4 g, crude): ESIMS m/z 213.82 ([M+H]+). to reflux for 18 h extracted with ethyl acetate The combined ethyl acetate layer was washed with brine dried over Na2SO4 concentrated under reduced pressure

Conditions: temp:140.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: To a stirred solution of 5-bromo-2-fluoro-3-methylbenzonitrile (1.0 g, 47.716 mmol), in DMF (10.0 mL) was added potassium carbonate (1.95 g, 14.14 mmol) followed by 1H-1,2,4-triazole (0.811 g, 9.433 mmol) at RT. The reaction mixture was heated to 140° C. for 18 h. The reaction mixture was cooled to RT, diluted with water and extracted with ethyl acetate (2×100 mL). The combined ethyl acetate layer was washed with brine and dried over Na2SO4 and concentrated under reduced pressure to afford the crude compound purified by flash column chromatography (SiO2, 100-200 mesh; eluting with 30% ethyl acetate/pet ether) to afford the title compound as a pink solid (0.6 g, 49%): 1H NMR (400 MHz, CDCl3) δ 8.39 (s, 1H), 8.23 (s, 1H), 7.91 (d, J=2.4 Hz, 2H), 2.21 (s, 3H), ESIMS m/z 262.57 ([M+H]+); IR (thin film) 2231, 554 cm−1. The reaction mixture was cooled to RT extracted with ethyl acetate (2×100 mL) The combined ethyl acetate layer was washed with brine dried over Na2SO4 concentrated under reduced pressure to afford the crude compound purified by flash column chromatography (SiO2, 100-200 mesh; eluting with 30% ethyl acetate/pet ether)

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

Procedure: A stirred solution of (E)-5-bromo-2-fluoro-3-methylbenzaldehyde oxime (0.5 g, 2.2 mmol) in acetic anhydride (5.0 mL) was heated to reflux for 18 h. The reaction mixture was diluted with water and extracted with ethyl acetate. The combined ethyl acetate layer was washed with brine and dried over Na2SO4 and concentrated under reduced pressure to afford the crude compound as a light brown gummy material (0.4 g, crude): ESIMS m/z 213.82 ([M+H]+). to reflux for 18 h extracted with ethyl acetate The combined ethyl acetate layer was washed with brine dried over Na2SO4 concentrated under reduced pressure

Conditions: temp:140.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: To a stirred solution of 5-bromo-2-fluoro-3-methylbenzonitrile (1.0 g, 47.716 mmol), in DMF (10.0 mL) was added potassium carbonate (1.95 g, 14.14 mmol) followed by 1H-1,2,4-triazole (0.811 g, 9.433 mmol) at ambient temperature. The reaction mixture was heated to 140° C. for 18 h. The reaction mixture was cooled to ambient temperature, diluted with water and extracted with ethyl acetate (2×100 mL). The combined ethyl acetate layer was washed with brine and dried over Na2SO4 and concentrated under reduced pressure to afford the crude compound purified by flash column chromatography (SiO2, 100-200 mesh; eluting with 30% ethyl acetate/pet ether) to afford the title compound as a pink solid (0.6 g, 49%): 1H NMR (400 MHz, CDCl3) δ 8.39 (s, 1H), 8.23 (s, 1H), 7.91 (d, J=2.4 Hz, 2H), 2.21 (s, 3H), ESIMS m/z 262.57 ([M+H]+); IR (thin film) 2231, 554 cm−1. The reaction mixture was cooled to ambient temperature extracted with ethyl acetate (2×100 mL) The combined ethyl acetate layer was washed with brine dried over Na2SO4 concentrated under reduced pressure to afford the crude compound purified by flash column chromatography (SiO2, 100-200 mesh; eluting with 30% ethyl acetate/pet ether)

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

Procedure: A stirred solution of (E)-5-bromo-2-fluoro-3-methylbenzaldehyde oxime (0.5 g, 2.2 mmol) in acetic anhydride (5.0 mL) was heated to reflux for 18 h. The reaction mixture was diluted with water and extracted with ethyl acetate. The combined ethyl acetate layer was washed with brine and dried over Na2SO4 and concentrated under reduced pressure to afford the crude compound as a light brown gummy material (0.4 g, crude): ESIMS m/z 213.82 ([M+H]+). to reflux for 18 h extracted with ethyl acetate The combined ethyl acetate layer was washed with brine dried over Na2SO4 concentrated under reduced pressure