2,6-二氟-3-甲基苄醇

反应条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: The title compound was prepared from 2-(5-hydroxy-1H-pyrazol-1-yl)pyridine-4-carbonitrile and (2,3-difluoro-4-methylphenyl)methanol according to the procedure for the preparation of Example 39, part C. 1H NMR (400 MHz, CDCl3): δ 2.32 (3H, s), 5.28 (2H, s), 5.80 (1H, s), 6.98 (1H, d, J=6.8 Hz), 7.11 (1H, d, J=7.2 Hz), 7.40 (1H, d, J=5.2 Hz), 7.58 (1H, s), 8.01 (1H, s), 8.70 (1H, d, J=4.8 Hz). [M+H] Calc'd for C17H12F2N4O, 327; Found, 327.

反应条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: To a solution of tert-butyl-(2,3-difluoro-4-methyl-benzyloxy)-dimethyl-silane (6.5 g, 24 mmol) in THF (24 mL) was added tetrabutylammonium fluoride (24 mL of a 1M solution in THF, 24 mmol). After stirring at ambient temperature for 1 hour, the mixture was poured into water, acidified with 1M aqueous HCl, extracted 3× with ethyl acetate, and the combined organic layers were dried over Na2SO4, filtered and concentrated in vacuo. The residue was purified by silica gel chromatography (10:1 to 2:1 hexane-ethyl acetate), affording (2,3-Difluoro-4-methyl-phenyl)-methanol as a light yellow oil. extracted 3× with ethyl acetate the combined organic layers were dried over Na2SO4 filtered concentrated in vacuo The residue was purified by silica gel chromatography (10:1 to 2:1 hexane-ethyl acetate)

反应条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: The title compound was prepared from 2-(5-hydroxy-1H-pyrazol-1-yl)pyridine-4-carbonitrile and (2,3-difluoro-4-methylphenyl)methanol according to the procedure for the preparation of Example 39, part C. 1H NMR (400 MHz, CDCl3): δ 2.32 (3H, s), 5.28 (2H, s), 5.80 (1H, s), 6.98 (1H, d, J=6.8 Hz), 7.11 (1H, d, J=7.2 Hz), 7.40 (1H, d, J=5.2 Hz), 7.58 (1H, s), 8.01 (1H, s), 8.70 (1H, d, J=4.8 Hz). [M+H] Calc'd for C17H12F2N4O, 327. Found, 327.

反应条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: To a solution of tert-butyl-(2,3-difluoro-4-methyl-benzyloxy)-dimethyl-silane (6.5 g, 24 mmol) in THF (24 mL) was added tetrabutylammonium fluoride (24 mL of a 1M solution in THF, 24 mmol). After stirring at ambient temperature for 1 hour, the mixture was poured into water, acidified with 1M aqueous HCl, extracted 3× with ethyl acetate, and the combined organic layers were dried over Na2SO4, filtered and concentrated in vacuo. The residue was purified by silica gel chromatography (10:1 to 2:1 hexane-ethyl acetate), affording (2,3-Difluoro-4-methyl-phenyl)-methanol as a light yellow oil. extracted 3× with ethyl acetate the combined organic layers were dried over Na2SO4 filtered concentrated in vacuo The residue was purified by silica gel chromatography (10:1 to 2:1 hexane-ethyl acetate)

反应条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: To a solution of tert-butyl-(2,3-difluoro-4-methyl-benzyloxy)-dimethyl-silane (6.5 g, 24 mmol) in THF (24 mL) was added tetrabutylammonium fluoride (24 mL of a 1M solution in THF, 24 mmol). After stirring at ambient temperature for 1 hour, the mixture was poured into water, acidified with 1M aqueous HCl, extracted 3× with ethyl acetate, and the combined organic layers were dried over Na2SO4, filtered and concentrated in vacuo. The residue was purified by silica gel chromatography (10:1 to 2:1 hexane-ethyl acetate), affording (2,3-Difluoro-4-methyl-phenyl)-methanol as a tight yellow oil. extracted 3× with ethyl acetate the combined organic layers were dried over Na2SO4 filtered concentrated in vacuo The residue was purified by silica gel chromatography (10:1 to 2:1 hexane-ethyl acetate)

反应条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: To a solution of tert-butyl-(2,3-difluoro-4-methyl-benzyloxy)-dimethyl-silane (6.5 g, 24 mmol) in THF (24 mL) was added tetrabutylammonium fluoride (24 mL of a 1M solution in THF, 24 mmol). After stirring at ambient temperature for 1 hour, the mixture was poured into water, acidified with 1M aqueous HCl, extracted 3× with ethyl acetate, and the combined organic layers were dried over Na2SO4, filtered and concentrated in vacuo. The residue was purified by silica gel chromatography (10:1 to 2:1 hexane-ethyl acetate), affording (2,3-Difluoro-4-methyl-phenyl)-methanol as a light yellow oil. extracted 3× with ethyl acetate the combined organic layers were dried over Na2SO4 filtered concentrated in vacuo The residue was purified by silica gel chromatography (10:1 to 2:1 hexane-ethyl acetate)

反应条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: The title compound was prepared from 2-(5-hydroxy-1H-pyrazol-1-yl)pyridine-4-carbonitrile and (2,3-difluoro-4-methylphenyl)methanol according to the procedure for the preparation of Example 39, part C. 1H NMR (400 MHz, CDCl3): δ 2.32 (3H, s), 5.28 (2H, s), 5.80 (1H, s), 6.98 (1H, d, J=6.8 Hz), 7.11 (1H, d, J=7.2 Hz), 7.40 (1H, d, J=5.2 Hz), 7.58 (1H, s), 8.01 (1H, s), 8.70 (1H, d, J=4.8 Hz). [M+H] Calc'd for C17H12F2N4O, 327; Found, 327.

反应条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: To a solution of tert-butyl-(2,3-difluoro-4-methyl-benzyloxy)-dimethyl-silane (6.5 g, 24 mmol) in THF (24 mL) was added tetrabutylammonium fluoride (24 mL of a 1M solution in THF, 24 mmol). After stirring at ambient temperature for 1 hour, the mixture was poured into water, acidified with 1M aqueous HCl, extracted 3× with ethyl acetate, and the combined organic layers were dried over Na2SO4, filtered and concentrated in vacuo. The residue was purified by silica gel chromatography (10:1 to 2:1 hexane-ethyl acetate), affording (2,3-Difluoro-4-methyl-phenyl)-methanol as a light yellow oil. extracted 3× with ethyl acetate the combined organic layers were dried over Na2SO4 filtered concentrated in vacuo The residue was purified by silica gel chromatography (10:1 to 2:1 hexane-ethyl acetate)

反应条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: The title compound was prepared from 2-(5-hydroxy-1H-pyrazol-1-yl)pyridine-4-carbonitrile and (2,3-difluoro-4-methylphenyl)methanol according to the procedure for the preparation of Example 39, part C. 1H NMR (400 MHz, CDCl3): δ 2.32 (3H, s), 5.28 (2H, s), 5.80 (1H, s), 6.98 (1H, d, J=6.8 Hz), 7.11 (1H, d, J=7.2 Hz), 7.40 (1H, d, J=5.2 Hz), 7.58 (1H, s), 8.01 (1H, s), 8.70 (1H, d, J=4.8 Hz). [M+H] Calc'd for C17H12F2N4O, 327. Found, 327.