(2S)-1-aminopropan-2-ol

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

Procedure: 1-Methyl-2-(6-trifluoromethoxy-benzothiazol-2-ylamino)-1H-benzoimidazole-5-carboxylic acid ((S)-2-hydroxy-propyl)-amide (70 mg) was prepared by following General Procedure F starting from 1-methyl-2-(6-trifluoromethoxy-benzothiazol-2-yl-amino)-1H-benzoimidazole-5-carboxylic acid (100 mg), (S)-(+)-1-amino-2-propanol (20 mg), HBTU (111 mg), and DIEA (64 uL). LC/MS: m/z 466.8. 1H NMR (DMSO-d6, 400 MHz): δ 12.39 (s, 1H), 8.36 (s, 1H), 8.10 (s, 1H), 7.92 (s, 1H), 7.80 (d, 1H), 7.73 (d, 1H), 7.49 (d, 1H), 7.36 (d, 1H), 4.77 (d, 1H), 3.87-3.78 (m, 1H), 3.64 (bs, 3H), 3.27-3.20 (m, 2H), 1.09 (d, 3H).

Conditions: temp:55.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: 1-(5-Amino-2,4-difluorophenyl)-8-chloro-6,7-difluoro-4-oxo-1,4-dihydroquinoline-3-carboxylic acid (150 mg) and (S)-1-amino-2-propanol (150 mg) were added to pyridine (450 mg), and the mixture was stirred at 55° C. for 2.5 hours. The reaction mixture was concentrated under reduced pressure. A process of adding ethanol (2 ml) to the residue and then concentrating the mixture under reduced pressure was conducted twice repeatedly. Concentrated hydrochloric acid (150 mg) was added to the resultant residue, and the mixture was concentrated under reduced pressure. Ethanol (1 ml) was added to the resultant residue, and deposits were collected by filtration and washed with ethanol and diisopropyl ether in that order to obtain the title compound (147 mg) as a colorless powder. The reaction mixture was concentrated under reduced pressure A process of adding ethanol (2 ml) to the residue and then concentrating the mixture under reduced pressure Concentrated hydrochloric acid (150 mg) was added to the resultant residue the mixture was concentrated under reduced pressure Ethanol (1 ml) was added to the resultant residue, and deposits were collected by filtration washed with ethanol and diisopropyl ether in that order

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

Procedure: (S)-1-amino-2-propanol (43 g, 0.57M) was added to a stirred solution of potassium tertiary butoxide (64.2 g, 0.66M) in tetrahydrofuran (500 ml). 2-Chloropyridine (65.1 g 0.66M) was then added dropwise. After the exothermic reaction had subsided, the reaction was heated under reflux overnight, filtered to remove the potassium chloride and evaporated to an oil. The crude oil was dissolved in xylene (500 ml) and toluene-p-sulphonic acid (2 g) added and heated overnight under reflux under argon. After cooling to room temperature, the mixture was extracted with 2M hydrochloric acid. The acid extracts were basified with 2M sodium hydroxide and extracted into ethyl acetate. The ethyl acetate extracts were dried (MgSO4) and after removal of the acetic acid the product was distilled affording 73.5 g of the title compound, bp 100-110° C. at 0.2 mbar. After the exothermic reaction the reaction was heated under reflux overnight filtered to remove the potassium chloride evaporated to an oil The crude oil was dissolved in xylene (500 ml) toluene-p-sulphonic acid (2 g) added heated overnight under reflux under argon the mixture was extracted with 2M hydrochloric acid extracted into ethyl acetate The ethyl acetate extracts were dried (MgSO4) after removal of the acetic acid the product was distilled

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

Procedure: The title compound was prepared by a procedure similar to the one described for 3-[5-bromo-4-[(2,4-difluorobenzyl)oxy]-6-oxopyrimidin-1(6H)-yl]-4-methyl-N-{1-[(methylamino)carbonyl]methyl}benzamide using (S)-(+)-1-amino-2-propanol (0.16 mL 2.5 mmol) as the amine and without the addition of a second equivalent of N-methylmorpholine. After reverse phase HPLC purification, the organic extracts were concentrated under reduced pressure and dried in vacuo to afford the desired product (387.8 mg, 57%) as beige solid. 1H-NMR (CD3OD, 400 MHz) δ 8.32 (s, 1H), 7.92 (dd, 1H, J=1.6 Hz), 7.77 (d, 1H, J=2 Hz), 7.62 1(m, H), 7.53 (d, 1H, J=8.4 Hz), 7.01 (m, 2H), 5.59 (q, 2H, J=12.4 Hz), 3.92 (m, 1H), 3.32 (m, 2H), 2.19 (s, 3H), 1.18 (d, 3H, J=6.4 Hz); ES-HRMS m/z 508.0661 (M+H C22H21BrF2N3O4 requires 508.0678). The title compound was prepared by a procedure similar to the one After reverse phase HPLC purification the organic extracts were concentrated under reduced pressure dried in vacuo

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

Procedure: 3-(3-(1-(2-(2-Chloroethoxy)phenyl)cyclopropylamino)-2-oxopyrazin-1(2H)-yl)-N-cyclopropyl-4-methylbenzamide (Example 167e, 100 mg) and (S)-(+)-1-amino-2-propanol (0.247 mL) were stirred together in dioxane (3 mL) in a sealed tube at 100° C. for 24 h. Purification of the cooled solution by preparative HPLC (Xbridge column—acetonitrile/0.2% ammonia mobile phase) afforded the title compound (60 mg). Purification of the cooled solution by preparative HPLC (Xbridge column—acetonitrile/0.2% ammonia mobile phase)

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

Procedure: To a solution of J-COOH (e.g., naphthylacetic acid) and HOAt (1 equiv) in dry N,N-dimethylformamide was added 1-(3-dimethylaminopropyl)-3-ethylcarbodimide hydrochloride (1 equiv). After the mixture was stirred at room temperature for one-half hour, a chiral amino alcohol (e.g., (R)- or (S)-1-amino-2-propanol or (R)- or (S)-2-amino-1-propanol, affording a methyl group at R5 or R4, respectively) (1 equiv) was added. The reaction was continued for 16 hours. The reaction mixture was poured into water and extracted by EtOAc twice. The organic layer was washed by 1 N hydrochloric acid twice, 1 N sodium hydroxide twice, brine and dried over sodium sulfate. After evaporation, the product was purified on silica gel column with 10% methanol in methylene chloride.

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

Procedure: To a solution of J-COOH (e.g., naphthylacetic acid) and HOAt (1 equiv) in dry N,N-dimethylformamide was added 1-(3-dimethylaminopropyl)-3-ethylcarbodimide hydrochloride (1 equiv). After the mixture was stirred at room temperature for one-half hour, a chiral amino alcohol (e.g., (R)- or (S)-1-amino-2-propanol or (R)- or (S)-2-amino-1-propanol, affording a methyl group at R5 or R4, respectively) (1 equiv) was added. The reaction was continued for 16 hours. The reaction mixture was poured into water and extracted by EtOAc twice. The organic layer was washed by 1 N hydrochloric acid twice, 1 N sodium hydroxide twice, brine and dried over sodium sulfate. After evaporation, the product was purified on silica gel column with 10% methanol in methylene chloride.

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

Procedure: A solution of 1.9 g of (RS)-2-(2-oxoethyl)-4-chromanone and 80 mg of p-toluenesulfonic acid in 70 ml of anhydrous toluene was heated on a water separator. A solution of 3.0 g of (S)-1-amino-2-propanol in 20 ml of anhydrous toluene was added dropwise to the boiling solution over a period of 5 minutes. Subsequently, the mixture was boiled for an additional 35 minutes, during which the solvent was reduced to a volume of 20 ml. The cooled reaction mixture was purified by column chromatography on silica gel (ethyl acetate/toluene 2:3). 1.73 g (76%) of (S)-1-(1,4-dihydro-[1]benzopyrano[4,3-b]pyrrol-1-yl)-propan-2-ol were obtained as a yellow oil. The cooled reaction mixture was purified by column chromatography on silica gel (ethyl acetate/toluene 2:3)

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

Procedure: A solution of 1.9 g of (RS)-2-(2-oxoethyl)-4-chromanone and 80 mg of p-toluenesulfonic acid in 70 ml of anhydrous toluene was heated on a water separator. A solution of 3.0 g of (S)-1-amino-2-propanol in 20 ml of anhydrous toluene was added dropwise to the boiling solution over a period of 5 minutes. Subsequently, the mixture was boiled for an additional 35 minutes, during which the solvent was reduced to a volume of 20 ml. The cooled reaction mixture was purified by column chromatography on silica gel (ethyl acetate/toluene 2:3). 1.73 g (76%) of (S)-1-(1,4-dihydro-[1]benzopyrano[4,3-b]pyrrol-1-yl)-propan-2-ol were obtained as a yellow oil. The cooled reaction mixture was purified by column chromatography on silica gel (ethyl acetate/toluene 2:3)

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

Procedure: A solution of 3 g of (RS)-2-(2-oxoethyl)-7-methoxy-1-tetralone and 150 mg of p-toluenesulfonic acid in 130 ml in anhydrous toluene was heated on a water separator. A solution of 4.16 g of (S)-1-amino-2-propanol in 20 ml of anhydrous toluene was added dropwise to the boiling solution over a period of 5 minutes. Subsequently, the mixture was boiled for an additional 30 minutes, during which the solvent was reduced to a volume of 25 ml. The cooled reaction mixture was purified by column chromatography on silica gel (ethyl acetate/toluene 1:1). 3.0 g (84%) of (S)-1-(4,5-dihydro-8-methoxy-1H-benz[g]indol-1-yl-propan-2-ol were obtained as a brown oil which was used directly in the next reaction. The cooled reaction mixture was purified by column chromatography on silica gel (ethyl acetate/toluene 1:1)

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

Procedure: A solution of 3 g of (RS)-2-(2-oxoethyl)-7-methoxy-1-tetralone and 150 mg of p-toluenesulfonic acid in 130 ml in anhydrous toluene was heated on a water separator. A solution of 4.16 g of (S)-1-amino-2-propanol in 20 ml of anhydrous toluene was added dropwise to the boiling solution over a period of 5 minutes. Subsequently, the mixture was boiled for an additional 30 minutes, during which the solvent was reduced to a volume of 25 ml. The cooled reaction mixture was purified by column chromatography on silica gel (ethyl acetate/toluene 1:1). 3.0 g (84%) of (S)-1-(4,5-dihydro-8-methoxy-1H-benz[g]indol-1-yl-propan-2-ol were obtained as a brown oil which was used directly in the next reaction. The cooled reaction mixture was purified by column chromatography on silica gel (ethyl acetate/toluene 1:1)

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

Procedure: A solution of 2.5 g of (RS)-2-(2-oxoethyl)-6-chloro-1-indanone and 100 mg of p-toluenesulfonic acid in 120 ml in anhydrous toluene was heated on a water separator. A solution of 3.6 g of (S)-1-amino-2-propanol in 20 ml of anhydrous toluene was added dropwise to the boiling solution over a period of 5 minutes. Subsequently, the mixture was boiled for 30 minutes, during which the solvent was reduced to a volume of 20 ml. The cooled reaction mixture was purified by column chromatography on silica gel (ethyl acetate/toluene 1:1). 1.56 g (53%) of (S)-1-(7-chloro-1,4-dihydro-indeno[1,2-b]pyrrol-1-yl)-propan-2-ol were obtained as a brown oil which was used directly in the next reaction. The cooled reaction mixture was purified by column chromatography on silica gel (ethyl acetate/toluene 1:1)