1-methylsulfonylpiperidin-4-ol

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: To a solution of 4-hydroxy-1-methylsulfonylpiperidine (2.15 g, 12 mmoles) in dimethylformamide (3 ml) was added 60% sodium hydride in oil (0.48 g, 12 mmoles) with stirring under ice-cooling and the mixture was stirred at room temperature for 10 minutes. To the reaction mixture was added 5-chloro-3-nitroimidazo[1,2-a]pyridine (1.976 g, 10 mmoles) with stirring under ice-cooling and the mixture was stirred at the same temperature for 30 minutes. The reaction mixture was poured into water, which was extracted with ethyl acetate. The precipitate was filtered off, washed with water and dried to obtain 1.862 g of the desired product (54.7%, yellow solid). The organic layer was washed with water and dried over anhydrous magnesium sulfate. After the solventy was distilled off, the crude crystlals thus obtained were recrystallized from methylene-n-hexane to obtain 460 mg of the desired product (460 mg, tan solid). cooling the mixture was stirred at room temperature for 10 minutes with stirring under ice- cooling the mixture was stirred at the same temperature for 30 minutes was extracted with ethyl acetate The precipitate was filtered off washed with water dried

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

実験手順: To a mixture of 1-(methylsulfonyl)piperidin-4-ol (618 mg, 3.45 mmol, 1.6 eq) in THF (5 mL) at 0° C., NaH (60% in mineral oil, 173 mg, 4.32 mmol, 2.0 eq) was added and the resulting mixture was stirred for 10 min. To this mixture, (S)-(9H-fluoren-9-yl)methyl 1-(1,8-dichloroisoquinolin-3-yl)ethylcarbamate 69 (1.0 g, 2.16 mmol, 1.0 eq) was added and the resulting mixture was stirred at reflux for 2 h. The mixture was cooled to RT and poured into water (20 mL). The mixture was extracted with ethyl acetate (3×20 mL). The combined organic layer was washed with brine, dried over Na2SO4 and filtered. The filtrate was concentrated in vacuo and the residue was purified by flash column chromatography on silica gel (3% MeOH-DCM) to afford the product (S)-1-(8-chloro-1-(1-(methylsulfonyl)piperidin-4-yloxy)isoquinolin-3-yl)ethanamine (175). the resulting mixture was stirred at reflux for 2 h The mixture was extracted with ethyl acetate (3×20 mL) The combined organic layer was washed with brine dried over Na2SO4 filtered The filtrate was concentrated in vacuo the residue was purified by flash column chromatography on silica gel (3% MeOH-DCM)

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

実験手順: To a solution of 1-methanesulfonyl-piperidin-4-ol (86 mg, 482 μmol) in anhydrous THF (5 mL) at room temperature was added NaH (60% dispersion in mineral oil, 21 mg, 526 μmol) and the reaction was stirred at room temperature for 15 minutes. Chloro-pyridine-3-sulfonic acid (4-fluoro-phenyl)-isobutyl-amide (150 mg, 439 μmol) was added and the reaction stirred at room temperature for 45 minutes then heated at 80° C. for 2 hours. Water and saturated NaHCO3 were added and then extracted with EtOAc, washed with brine, dried with Na2SO4 then concentrated and purified by silica gel column chromatography (0-25% EtOAc in cyclohexane) to give the title compound (137 mg). 1H NMR (400 MHz, DMSO): δ 8.30 (dd, J=2.6, 0.67 Hz, 1H), 7.75 (dd, J=8.8, 2.60 Hz, 1H), 7.19-7.20 (m, 4H), 6.97 (dd, J=8.8, 0.7 Hz, 1H), 5.23-5.25 (m, 1H), 3.39 (d, J=8.8 Hz, 4H), 3.13 (ddd, J=12.2, 8.56, 3.46 Hz, 2H), 2.91 (s, 3H), 2.04-2.09 (m, 2H), 1.78-1.80 (m, 2H), 1.44 (dd, J=13.6, 6.9 Hz, 1H), 0.85 (d, J=6.6 Hz, 6H). LCMS (m/z, Method B) ES+ 485.9 [M+1]+. the reaction stirred at room temperature for 45 minutes then heated at 80° C. for 2 hours extracted with EtOAc washed with brine dried with Na2SO4 then concentrated purified by silica gel column chromatography (0-25% EtOAc in cyclohexane)

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

実験手順: To a solution of 1-methanesulfonyl-piperidin-4-ol (61 mg) in anhydrous tetrohydrofuran (5 mL) at room temperature was added NaH (60% dispersion in mineral oil, 15 mg, 369 μmol) and the reaction was stirred at room temperature for 30 minutes. 4-Fluoro-N-(4-fluoro-phenyl)-N-isobutyl-benzenesulfonamide (100 mg, 308 μmol) was added and the reaction was heated at 90° C. for 3 hours. The reaction was allowed to cool to room temperature, water was added and then extracted with EtOAc, concentrated, purified by preparative reverse-phase HPLC and then freeze dried to give the title compound (51.8 mg). 1H NMR (400 MHz, DMSO): δ 7.44 (d, J=8.8 Hz, 2H), 7.13-7.14 (m, 7H), 4.69 (t, J=3.8 Hz, 1H), 3.35 (d, J=10.8 Hz, 4H), 3.28 (d, J=7.4 Hz, 3H), 3.12-3.14 (m, 2H), 2.91 (s, 3H), 2.03 (br s, 3H), 1.71-1.79 (m, 3H), 1.41 (t, J=6.8 Hz, 1H), 0.84 (d, J=6.6 Hz, 6H). LCMS (m/z, Method B) ES+ 484.9 [M+1]+. the reaction was heated at 90° C. for 3 hours to cool to room temperature extracted with EtOAc concentrated purified by preparative reverse-phase HPLC freeze dried

反応条件: temp:135.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

実験手順: 2-(4-bromo-2-fluorobenzyl)-6-phenyl-1,2-thiazinane 1,1-dioxide (100 mg, 0.25 mmol), 1-methylsulfonylpiperidin-4-ol (67.2 mg, 0.38 mmol), copper(I) iodide (9.5 mg, 0.05 mmol), 3,4,7,8-tetramethyl-1,10-phenanthroline (24 mg, 0.1 mmol) and cesium carbonate (123 mg, 0.38 mmol) were weighed out in a vial and the vial was purged with nitrogen. p-Xylene (1 mL) was then added and the reaction was stirred at 135° C. for 16 hours. The reaction was then filtered through diatomaceous earth, concentrated and purified by reverse-phase HPLC to give 2-(2-fluoro-4-((1-(methylsulfonyl)piperidin-4-yl)oxy)benzyl)-6-phenyl-1,2-thiazinane 1,1-dioxide (50.1 mg, 40% yield). was purged with nitrogen p-Xylene (1 mL) was then added The reaction was then filtered through diatomaceous earth concentrated purified by reverse-phase HPLC

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

実験手順: To a solution of 4-hydroxy-1-methylsulfonylpiperidine (2.15 g, 12 mmoles) in dimethylformamide (3 ml) was added 60% sodium hydride in oil (0.48 g, 12 mmoles) with stirring under ice-cooling and the mixture was stirred at room temperature for 10 minutes. To the reaction mixture was added 5-chloro-3-nitroimidazo[1,2-a]pyridine (1.976 g, 10 mmoles) with stirring under ice-cooling and the mixture was stirred at the same temperature for 30 minutes. The reaction mixture was poured into water, which was extracted with ethyl acetate. The precipitate was filtered off, washed with water and dried to obtain 1.862 g of the desired product (54.7%, yellow solid). The organic layer was washed with water and dried over anhydrous magnesium sulfate. After the solventy was distilled off, the crude crystlals thus obtained were recrystallized from methylene-n-hexane to obtain 460 mg of the desired product (460 mg, tan solid). cooling the mixture was stirred at room temperature for 10 minutes with stirring under ice- cooling the mixture was stirred at the same temperature for 30 minutes was extracted with ethyl acetate The precipitate was filtered off washed with water dried

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: To a solution of 4-hydroxy-1-methylsulfonylpiperidine (2.15 g, 12 mmoles) in dimethylformamide (3 ml) was added 60% sodium hydride in oil (0.48 g, 12 mmoles) with stirring under ice-cooling and the mixture was stirred at room temperature for 10 minutes. To the reaction mixture was added 5-chloro-3-nitroimidazo[1,2-a]pyridine (1.976 g, 10 mmoles) with stirring under ice-cooling and the mixture was stirred at the same temperature for 30 minutes. The reaction mixture was poured into water, which was extracted with ethyl acetate. The precipitate was filtered off, washed with water and dried to obtain 1.862 g of the desired product (54.7%, yellow solid). The organic layer was washed with water and dried over anhydrous magnesium sulfate. After the solventy was distilled off, the crude crystlals thus obtained were recrystallized from methylene-n-hexane to obtain 460 mg of the desired product (460 mg, tan solid). cooling the mixture was stirred at room temperature for 10 minutes with stirring under ice- cooling the mixture was stirred at the same temperature for 30 minutes was extracted with ethyl acetate The precipitate was filtered off washed with water dried

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

実験手順: To a solution of 4-hydroxy-1-methylsulfonylpiperidine (2.15 g, 12 mmoles) in dimethylformamide (3 ml) was added 60% sodium hydride in oil (0.48 g, 12 mmoles) with stirring under ice-cooling and the mixture was stirred at room temperature for 10 minutes. To the reaction mixture was added 5-chloro-3-nitroimidazo[1,2-a]pyridine (1.976 g, 10 mmoles) with stirring under ice-cooling and the mixture was stirred at the same temperature for 30 minutes. The reaction mixture was poured into water, which was extracted with ethyl acetate. The precipitate was filtered off, washed with water and dried to obtain 1.862 g of the desired product (54.7%, yellow solid). The organic layer was washed with water and dried over anhydrous magnesium sulfate. After the solventy was distilled off, the crude crystlals thus obtained were recrystallized from methylene-n-hexane to obtain 460 mg of the desired product (460 mg, tan solid). cooling the mixture was stirred at room temperature for 10 minutes with stirring under ice- cooling the mixture was stirred at the same temperature for 30 minutes was extracted with ethyl acetate The precipitate was filtered off washed with water dried

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

実験手順: To a mixture of 1-(methylsulfonyl)piperidin-4-ol (618 mg, 3.45 mmol, 1.6 eq) in THF (5 mL) at 0° C., NaH (60% in mineral oil, 173 mg, 4.32 mmol, 2.0 eq) was added and the resulting mixture was stirred for 10 min. To this mixture, (S)-(9H-fluoren-9-yl)methyl 1-(1,8-dichloroisoquinolin-3-yl)ethylcarbamate 69 (1.0 g, 2.16 mmol, 1.0 eq) was added and the resulting mixture was stirred at reflux for 2 h. The mixture was cooled to RT and poured into water (20 mL). The mixture was extracted with ethyl acetate (3×20 mL). The combined organic layer was washed with brine, dried over Na2SO4 and filtered. The filtrate was concentrated in vacuo and the residue was purified by flash column chromatography on silica gel (3% MeOH-DCM) to afford the product (S)-1-(8-chloro-1-(1-(methylsulfonyl)piperidin-4-yloxy)isoquinolin-3-yl)ethanamine (175). the resulting mixture was stirred at reflux for 2 h The mixture was extracted with ethyl acetate (3×20 mL) The combined organic layer was washed with brine dried over Na2SO4 filtered The filtrate was concentrated in vacuo the residue was purified by flash column chromatography on silica gel (3% MeOH-DCM)

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

実験手順: To a solution of 4-hydroxy-1-methylsulfonylpiperidine (2.15 g, 12 mmoles) in dimethylformamide (3 ml) was added 60% sodium hydride in oil (0.48 g, 12 mmoles) with stirring under ice-cooling and the mixture was stirred at room temperature for 10 minutes. To the reaction mixture was added 5-chloro-3-nitroimidazo[1,2-a]pyridine (1.976 g, 10 mmoles) with stirring under ice-cooling and the mixture was stirred at the same temperature for 30 minutes. The reaction mixture was poured into water, which was extracted with ethyl acetate. The precipitate was filtered off, washed with water and dried to obtain 1.862 g of the desired product (54.7%, yellow solid). The organic layer was washed with water and dried over anhydrous magnesium sulfate. After the solventy was distilled off, the crude crystlals thus obtained were recrystallized from methylene-n-hexane to obtain 460 mg of the desired product (460 mg, tan solid). cooling the mixture was stirred at room temperature for 10 minutes with stirring under ice- cooling the mixture was stirred at the same temperature for 30 minutes was extracted with ethyl acetate The precipitate was filtered off washed with water dried