(R)-2-氨基-2-(4-氟苯基)乙醇

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

实验步骤: A mixture of 5-cyclopropyl-N-(2,3,4-trifluoro-6-nitrophenyl)-1H-pyrazol-3-amine (Method 103, 0.300 g, 1.01 mmol), (R)-2-amino-2-(4-fluorophenyl)ethanol (0.172 g, 1.11 mmol) and DIEA (0.263 ml, 1.51 mmol) in n-BuOH (2 ml) was heated in a sealed tube placed in an oil bath set at 135° C. for 8 hours. The solvent was removed under reduced pressure and the residue was purified by chromatography (hexane-EtOAc=1:1) to give the title compound as an orange solid (0.25 g, 57%). 1H NMR (400 MHz) 11.88 (s, 1H), 8.57 (s, 1H), 7.70 (d, J=13.2 Hz, 1H), 7.34 (m, 2H), 7.15 (t, J=8.8 Hz, 2H), 6.61 (b, 1H), 5.38 (s, 1H), 5.07 (t, J=5.6 Hz, 1H), 4.88 (m, 1H), 3.62-3.71 (m, 2H), 1.80 (m, 1H), 0.90 (m, 2H), 0.61 (m, 2H). MS: Calcd.: 433; Found: [M+H]+ 434. was heated in a sealed tube placed in an oil bath The solvent was removed under reduced pressure the residue was purified by chromatography (hexane-EtOAc=1:1)

反应条件: temp:195.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: A mixture of 2-chloro-N-(5-cyclopropyl-1H-pyrazol-3-yl)-5-nitropyridin-4-amine (Method 90, 0.15 g, 0.54 mmol), (R)-2-amino-2-(4-fluorophenyl)ethanol (0.10 g, 0.67 mmol), and DIEA (0.12 ml, 0.67 mmol) in n-BuOH (5 ml) was heated in a sealed tube at 195° C. for 52 hours. The solvent was removed under reduced pressure and the residue was purified by column chromatography (EtOAc) to give the title compound as a yellow solid (0.15 g, 72%). 1H NMR (400 MHz) 12.38 (s, 1H), 9.59 (b, 1H), 8.83 (s, 1H), 8.16 (b, 11H), 7.37 (m, 2H), 7.13 (m, 2H), 6.75 (b, 1H), 5.92 (b, 11H), 5.25 (b, 1H), 4.98 (m, 1H), 3.61 (t, J=6.4 Hz, 2H), 1.92 (m, 1H), 0.97 (m, 2H), 0.72 (m, 2H). MS: Calcd.: 398; Found: [M+H]+ 399. The solvent was removed under reduced pressure the residue was purified by column chromatography (EtOAc)

反应条件: temp:195.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: A mixture of 2-chloro-N-(5-cyclopropyl-1H-pyrazol-3-yl)-5-nitropyridin-4-amine (Method 90, 0.15 g, 0.54 mmol), (R)-2-amino-2-(4-fluorophenyl)ethanol (0.10 g, 0.67 mmol), and DIEA (0.12 ml, 0.67 mmol) in n-BuOH (5 ml) was heated in a sealed tube at 195° C. for 52 hours. The solvent was removed under reduced pressure and the residue was purified by column chromatography (EtOAc) to give the title compound as a yellow solid (0.15 g, 72%). 1H NMR (400 MHz) 12.38 (s, 1H), 9.59 (b, 1H), 8.83 (s, 1H), 8.16 (b, 11H), 7.37 (m, 2H), 7.13 (m, 2H), 6.75 (b, 1H), 5.92 (b, 11H), 5.25 (b, 1H), 4.98 (m, 1H), 3.61 (t, J=6.4 Hz, 2H), 1.92 (m, 1H), 0.97 (m, 2H), 0.72 (m, 2H). MS: Calcd.: 398; Found: [M+H]+ 399. The solvent was removed under reduced pressure the residue was purified by column chromatography (EtOAc)

反应条件: temp:25.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: A solution of 2-chloro-N-(5-cyclopropyl-1H-pyrazol-3-yl)-6-methyl-5-nitropyrimidin-4-amine (Method 75; 1.0 g, 3.4 mmol), DIEA (0.57 g, 4.4 mmol), and (R)-2-amino-2-(4-fluorophenyl)ethanol (0.58 g, 3.7 mmol) in n-BuOH (15 ml) was heated to 60° C. for 2 hours. The reaction was then cooled to 25° C., concentrated, and treated with hexane. The resulting solid was collected by filtration to give the title compound (1.3 g, 93%). MS: Calcd.: 413; Found: [M+H]+ 414. concentrated treated with hexane The resulting solid was collected by filtration

反应条件: temp:25.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: A solution of 2-chloro-N-(5-cyclopropyl-1H-pyrazol-3-yl)-6-methyl-5-nitropyrimidin-4-amine (Method 75; 1.0 g, 3.4 mmol), DIEA (0.57 g, 4.4 mmol), and (R)-2-amino-2-(4-fluorophenyl)ethanol (0.58 g, 3.7 mmol) in n-BuOH (15 ml) was heated to 60° C. for 2 hours. The reaction was then cooled to 25° C., concentrated, and treated with hexane. The resulting solid was collected by filtration to give the title compound (1.3 g, 93%). MS: Calcd.: 413; Found: [M+H]+ 414. concentrated treated with hexane The resulting solid was collected by filtration

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

实验步骤: A mixture of (R)-2-amino-2-(4-fluorophenyl)ethanol (68.6 mg, 0.44 mmol), (S)-4-(4-(tert-butoxycarbonyl)morpholin-2-yl)benzoic acid [CAS 1131220-40-0], (136 mg, 0.44 mmol), 1-ethyl-3-(3-dimethylaminopropyl)carbodiimide (170 mg, 0.88 mmol), 4-dimethylaminopyridine (54.0 mg, 0.44 mmol) and triethylamine (179 mg, 0.25 ml, 1.77 mmol) in dichloromethane (9 ml) was stirred at room temperature overnight. The reaction was quenched by addition of 1M citric acid solution (5 ml). The organic layer was separated, washed with sodium bicarbonate saturated solution (5 ml), dried over MgSO4 and evaporated. The crude material was purified by flash chromatography (silica gel, gradient heptane/ethyl acetate), to give a white foam (100 mg, 51%), MS (ISP): 445.4 (100%, [M-tBu+H]+), 389.3 (29%, [M+H]+). The reaction was quenched by addition of 1M citric acid solution (5 ml) The organic layer was separated washed with sodium bicarbonate saturated solution (5 ml) dried over MgSO4 evaporated The crude material was purified by flash chromatography (silica gel, gradient heptane/ethyl acetate)

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

实验步骤: To a stirring mixture of NaH (1.1 g, 45.7 mmol) in THF (30 mL) at room temperature under N2 atmosphere was added dropwise a solution of (R)-2-amino-2-(4-fluoro-phenyl)-ethanol (5.0 g, 32.2 mmol) in THF (50 mL). The reaction mixture was stirred at room temperature for 30 minutes, then cooled to 0° C. A solution of ethyl chloroacetate (4.0 g, 33 mmol) in THF (30 mL) was added dropwise, and the reaction mixture was stirred for 30 minutes at 0° C., then stirred at room temperature for two hours. The reaction mixture was concentrated under reduced pressure, and water (50 mL) was added to the residue. The resulting mixture was pH adjusted to approximately 6.5 by addition of 1M aqueous HCl, and extracted with ethyl acetate. The organic layer was separated, washed with brine, dried (Na2SO4), filtered and concentrated under reduced pressure. The residue was recrystallized from diethyl ether to give 2.87 g of (R)-5-(4-fluoro-phenyl)-morpholin-3-one. The mother liquor from the recrystallization was concentrated and purified via chromatography (50-70% ethyl acetate in hexanes) to give an additional 1.0 g of (R)-5-(4-fluoro-phenyl)-morpholin-3-one. cooled to 0° C the reaction mixture was stirred for 30 minutes at 0° C. stirred at room temperature for two hours The reaction mixture was concentrated under reduced pressure, and water (50 mL) was added to the residue The resulting mixture was pH adjusted to approximately 6.5 by addition of 1M aqueous HCl extracted with ethyl acetate The organic layer was separated washed with brine dried (Na2SO4) filtered concentrated under reduced pressure The residue was recrystallized from diethyl ether

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

实验步骤: Then the similar procedure as described in example 1b was used, starting from 2-methylsulfanyl-5-[1-quinolin-6-yl-meth-(Z)-ylidene]-thiazol-4-one, (R)-4-fluoro-phenylglycinol and DIEA to give 2-[(R)-1-(4-fluoro-phenyl)-2-hydroxy-ethylamino]-5-[1-quinolin-6-yl-meth-(Z)-ylidene]-thiazol-4-one. LC-MS m/e 394 (MH+).

反应条件: temp:25.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: To a mixture of 2,6-dichloro-3-nitropyridine (0.933 g, 4.83 mmol) and potassium carbonate (0.58 g, 4.19 mmol) in anhydrous acetonitrile (10 ml) was added (R)-2-amino-2-(4-fluoro phenyl)ethanol (1.00 g, 7.19 mmol) at 0° C. The resulting reaction mixture was stirred at 25° C. for 18 hours. The solid was removed by filtration and washed with EtOAc (20 ml). After evaporation of the solvent, the resulting residue was purified by column chromatography (hexane-EtOAc=5:1) to give the title compound as a yellow solid (0.77 g, 61%). 1H NMR (400 MHz) δ 8.96 (d, J=7.6 Hz, 1H), 8.46 (d, J=8.4 Hz, 1H), 7.45 (m, 2H), 7.15 (m, 2H), 6.81 (d, J=8.8 Hz, 1H), 5.27 (m, 2H), 3.80 (m, 2H). The resulting reaction mixture The solid was removed by filtration washed with EtOAc (20 ml) After evaporation of the solvent the resulting residue was purified by column chromatography (hexane-EtOAc=5:1)

反应条件: temp:0.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: A solution of 2,3,6-trifluoro-5-nitropyridine (1.2 g, 6.7 mmol) in THF (40 ml) was cooled to 0° C. (R)-2-amino-2-(4-fluorophenyl)ethanol (1.0 g, 6.7 mmol) was then added and the reaction was stirred at 0° C. for 30 minutes. The reaction was quenched with water (50 ml) and then extracted with DCM (2×75 ml). The combined organic fractions were dried over was then added The reaction was quenched with water (50 ml) extracted with DCM (2×75 ml) The combined organic fractions were dried over

反应条件: temp:165.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: A mixture of 6-chloro-N-(5-isopropoxy-1H-pyrazol-3-yl)-3-nitropyridin-2-amine (Method 28; 0.25 g, 0.84 mmol), (R)-2-amino-2-(4-fluorophenyl)ethanol (0.15 g, 0.97 mmol) and DIEA (0.16 ml, 0.92 mmol) in n-BuOH (3 ml) was heated in a sealed tube at 165° C. for 4 hours. The solvent was removed under reduced pressure and the residue was purified by column chromatography (hexane-EtOAc=1:2) to give the title compound as a yellow solid (0.30 g, 87%). 1H NMR (400 MHz) δ 12.12, 12.10 & 11.61 (s, 1H), 10.94, 10.89 & 10.74 (s, 1H), 9.05, 8.82 & 8.73 (d, J=7.2 Hz, 1H), 8.13 & 8.11 (d, J=9.2 Hz, 1H), 7.45-7.32 (m, 2H), 7.20-7.10 (m, 2H), 6.32 & 6.07 (d, J=9.2 Hz, 1H), 5.90, 5.83 & 5.79 (s, 1H), 5.23, 5.12 & 4.78 (m, 2H), 4.71, 4.64 & 4.37 (m, 1H), 3.69 (m. 2H), 1.34 & 1.29 (d, J=6.0 Hz, 6H). MS: Calcd.: 416. Found: [M+H]+ 417. The solvent was removed under reduced pressure the residue was purified by column chromatography (hexane-EtOAc=1:2)

反应条件: temp:140.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: 2-Chloro-6-(5-cyclopropyl-1H-pyrazol-3-ylamino)-5-fluoronicotinonitrile (Method 1; 0.5 g, 1.8 mmol) and (R)-2-amino-2-(4-fluorophenyl)ethanol (0.6 g, 3.6 mmol) were added to a solution of n-BuOH (4 ml) and DIEA (0.3 g, 2.3 mmol) in a sealed tube. The reaction was heated to 140° C. for 48 hrs, then cooled to 25° C. and concentrated. The resulting residue was purified by column chromatography (DCM-MeOH=80:1) to give the title compound (0.3 g, 40%). 1H NMR (400 MHz, CD3OD) δ 7.37-7.35 (m, 3H), 7.05-7.00 (m, 2H), 5.99 (s, 1H), 5.20-5.11 (m, 1H), 3.90-3.77 (m, 2H), 1.90-1.86 (m, 1H), 1.05-0.96 (m, 2H), 0.73-0.66 (m, 2H). MS: Calcd.: 396. Found: [M+H]+ 397. cooled to 25° C. concentrated The resulting residue was purified by column chromatography (DCM-MeOH=80:1)