(2,2-dimethyl-3H-1-benzofuran-7-yl)methanol

反応条件: temp:0.00; pressure:0.00; stir:

反応条件: temp:0.00; pressure:0.00; stir:

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

実験手順: The title compound was prepared from 2-(5-hydroxy-1H-pyrazol-1-yl)pyridine-4-carbonitrile and (2,2-dimethyl-3H-1-benzofuran-7-yl)methanol according to the procedure for the preparation of Example 39, part C. 1H NMR (400 MHz, CDCl3): δ 1.48 (6H, s), 3.03 (2H, s), 5.21 (2H, s), 5.83 (1H, d, J=2.0 Hz), 6.83 (1H, q, J=8.0 Hz), 7.13 (1H, d, J=7.2 Hz), 7.18 (1H, d, J=8.0 Hz), 7.37 (1H, dd, J=0.8 Hz, 4.8 Hz), 7.56 (1H, d, J=1.6 Hz), 8.07 (1H, s), 8.70 (1H, d, J=4.8 Hz). [M+H] Calc'd for C20H18N4O2, 347; Found, 347

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

実験手順: Under a nitrogen atmosphere, a mixture of 8.7 grams (0.1 mole) of lithium bromide in 100 mL of acetonitrile is stirred, and 13.5 grams (0.125 mole) of trimethylsilyl chloride is added. Upon completion of addition, a solution of 8.9 grams (0.05 mole) of 2,3-dihydro-2,2-dimethylbenzofuran-7-ylmethanol in 50 mL of acetonitrile is added. Upon completion of addition, the reaction mixture is warmed to reflux, where it is stirred for about 18 hours. After this time the reaction mixture is cooled to ambient temperature and then is taken up in 200 mL of diethyl ether. The mixture is then washed with 25 mL of water and then with 25 mL of an aqueous solution saturated with sodium chloride. The organic layer is then dried with magnesium sulfate and filtered. The filtrate is concentrated under reduced pressure to a residue, yielding 2,3-dihydro-2,2-dimethylbenzofuran-7-ylmethyl bromide. Upon completion of addition Upon completion of addition the reaction mixture is warmed to reflux where it is stirred for about 18 hours The mixture is then washed with 25 mL of water The organic layer is then dried with magnesium sulfate filtered The filtrate is concentrated under reduced pressure to a residue

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

実験手順: Under a nitrogen atmosphere, a mixture of 8.7 grams (0.1 mole) of lithium bromide in 100 mL of acetonitrile is stirred, and 13.5 grams (0.125 mole) of trimethylsilyl chloride is added. Upon completion of addition, a solution of 8.9 grams (0.05 mole) of 2,3-dihydro-2,2-dimethylbenzofuran-7-ylmethanol in 50 mL of acetonitrile is added. Upon completion of addition, the reaction mixture is warmed to reflux, where it is stirred for about 18 hours. After this time the reaction mixture is cooled to ambient temperature and then is taken up in 200 mL of diethyl ether. The mixture is then washed with 25 mL of water and then with 25 mL of an aqueous solution saturated with sodium chloride. The organic layer is then dried with magnesium sulfate and filtered. The filtrate is concentrated under reduced pressure to a residue, yielding 2,3-dihydro-2,2-dimethylbenzofuran-7-ylmethyl bromide. Upon completion of addition Upon completion of addition the reaction mixture is warmed to reflux where it is stirred for about 18 hours The mixture is then washed with 25 mL of water The organic layer is then dried with magnesium sulfate filtered The filtrate is concentrated under reduced pressure to a residue

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

実験手順: The title compound was prepared from 2-(5-hydroxy-1H-pyrazol-1-yl)pyridine-4-carbonitrile and (2,2-dimethyl-3H-1-benzofuran-7-yl)methanol according to the procedure for the preparation of Example 39, part C. 1H NMR (400 MHz, CDCl3): δ 1.48 (6H, s), 3.03 (2H, s), 5.21 (2H, s), 5.83 (1H, d, J=2.0 Hz), 6.83 (1H, q, J=8.0 Hz), 7.13 (1H, d, J=7.2 Hz), 7.18 (1H, d, J=8.0 Hz), 7.37 (1H, dd, J=0.8 Hz, 4.8 Hz), 7.56 (1H, d, J=1.6 Hz), 8.07 (1H, s), 8.70 (1H, d, J=4.8 Hz). [M+H] Calc'd for C20H18N4O2, 347. Found, 347.

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

実験手順: The title compound was prepared from 2-(5-hydroxy-1H-pyrazol-1-yl)pyridine-4-carbonitrile and (2,2-dimethyl-3H-1-benzofuran-7-yl)methanol according to the procedure for the preparation of Example 39, part C. 1H NMR (400 MHz, CDCl3): δ 1.48 (6H, s), 3.03 (2H, s), 5.21 (2H, s), 5.83 (1H, d, J=2.0 Hz), 6.83 (1H, q, J=8.0 Hz), 7.13 (1H, d, J=7.2 Hz), 7.18 (1H, d, J=8.0 Hz), 7.37 (1H, dd, J=0.8 Hz, 4.8 Hz), 7.56 (1H, d, J=1.6 Hz), 8.07 (1H, s), 8.70 (1H, d, J=4.8 Hz). [M+H] Calc'd for C20H18N4O2, 347. Found, 347.

反応条件: temp:0.00; pressure:0.00; stir:

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

実験手順: Under a nitrogen atmosphere, a mixture of 8.7 grams (0.1 mole) of lithium bromide in 100 mL of acetonitrile is stirred, and 13.5 grams (0.125 mole) of trimethylsilyl chloride is added. Upon completion of addition, a solution of 8.9 grams (0.05 mole) of 2,3-dihydro-2,2-dimethylbenzofuran-7-ylmethanol in 50 mL of acetonitrile is added. Upon completion of addition, the reaction mixture is warmed to reflux, where it is stirred for about 18 hours. After this time the reaction mixture is cooled to ambient temperature and then is taken up in 200 mL of diethyl ether. The mixture is then washed with 25 mL of water and then with 25 mL of an aqueous solution saturated with sodium chloride. The organic layer is then dried with magnesium sulfate and filtered. The filtrate is concentrated under reduced pressure to a residue, yielding 2,3-dihydro-2,2-dimethylbenzofuran-7-ylmethyl bromide. Upon completion of addition Upon completion of addition the reaction mixture is warmed to reflux where it is stirred for about 18 hours The mixture is then washed with 25 mL of water The organic layer is then dried with magnesium sulfate filtered The filtrate is concentrated under reduced pressure to a residue

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

実験手順: A mixture of 4′-[(4-butyl-2-methyl-6-oxo-1,6-dihydropyrimidin-5-yl)methyl]biphenyl-2-carbonitrile (1 g), 1,1′-(azodicarbonyl)dipiperidine (1.41 g), tributylphosphine (1.56 mL), (2,2-dimethyl-2,3-dihydro-1-benzofuran-7-yl)methanol (0.75 g) and tetrahydrofuran (50 mL) was stirred at room temperature for 4 hr. The reaction mixture was diluted with ethyl acetate, washed with 1 M hydrochloric acid and then with saturated brine, and dried over anhydrous magnesium sulfate. The solvent was evaporated under reduced pressure and the residue was purified by silica gel column chromatography to give the title compound as a colorless solid (0.67 g, 46%). washed with 1 M hydrochloric acid with saturated brine, and dried over anhydrous magnesium sulfate The solvent was evaporated under reduced pressure the residue was purified by silica gel column chromatography

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

実験手順: A mixture of 4′-[(4-butyl-2-methyl-6-oxo-1,6-dihydropyrimidin-5-yl)methyl]biphenyl-2-carbonitrile (1 g), 1,1′-(azodicarbonyl)dipiperidine (1.41 g), tributylphosphine (1.56 mL), (2,2-dimethyl-2,3-dihydro-1-benzofuran-7-yl)methanol (0.75 g) and tetrahydrofuran (50 mL) was stirred at room temperature for 4 hr. The reaction mixture was diluted with ethyl acetate, washed with 1 M hydrochloric acid and then with saturated brine, and dried over anhydrous magnesium sulfate. The solvent was evaporated under reduced pressure and the residue was purified by silica gel column chromatography to give the title compound as a colorless solid (0.67 g, 46%). washed with 1 M hydrochloric acid with saturated brine, and dried over anhydrous magnesium sulfate The solvent was evaporated under reduced pressure the residue was purified by silica gel column chromatography

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

実験手順: A mixture of 2,3-dihydro-2,2-dimethylbenzofuran-7-ylmethanol (6.3 grams, 0.035 mole) and concentrated hydrochloric acid (38%) was stirred at ambient temperature for 0.75 hour. The reaction mixture was diluted with water (50 ml) and extracted with diethyl ether. The extract was washed successively with a 10% aqueous solution of sodium hydroxide and a saturated aqueous sodium chloride solution. The dried (sodium sulfate) extract was concentrated under reduced pressure, yielding 7-chloromethyl-2,3-dihydro-2,2-dimethylbenzofuran. The NMR spectrum was consistent with the proposed structure. extracted with diethyl ether The extract was washed successively with a 10% aqueous solution of sodium hydroxide The dried (sodium sulfate) extract was concentrated under reduced pressure