2-[(2S)-2-amino-3-(3-fluorophenyl)propyl]isoindole-1,3-dione

Conditions: temp:120.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: A mixture of methyl 5-bromo-3-(bromomethyl)pyridine-2-carboxylate (500.0 mg, 1.618 mmol), 2-[(2S)-2-amino-3-(3-fluorophenyl)propyl]-1H-isoindole-1,3(2H)-dione (482.8 mg, 1.618 mmol) and N,N-diisopropylethylamine (0.564 mL, 3.24 mmol) in 1-butanol (10.0 mL) was stirred at 120° C. for 2 h under microwave. Purification by combi-flash chromatography gave 0.48 g (61% yield) of the desired product. LC-MS found: 494.1 (M+H)+. Purification by combi-flash chromatography

Conditions: temp:120.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: A mixture of methyl 5-bromo-3-(bromomethyl)pyridine-2-carboxylate (500.0 mg, 1.618 mmol), 2-[(2S)-2-amino-3-(3-fluorophenyl)propyl]-1H-isoindole-1,3(2H)-dione (482.8 mg, 1.618 mmol) and N,N-diisopropylethylamine (0.564 mL, 3.24 mmol) in 1-butanol (10.0 mL) was stirred at 120° C. for 2 h under microwave. Purification by combi-flash chromatography gave 0.48 g (61% yield) of the desired product. LC-MS found: 494.1 (M+H)+. Purification by combi-flash chromatography

Conditions: temp:120.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: A mixture of methyl 5-bromo-3-(bromomethyl)pyridine-2-carboxylate (500.0 mg, 1.618 mmol), 2-[(2S)-2-amino-3-(3-fluorophenyl)propyl]-1H-isoindole-1,3(2H)-dione (482.8 mg, 1.618 mmol) and N,N-diisopropylethylamine (0.564 mL, 3.24 mmol) in 1-butanol (10.0 mL) was stirred at 120° C. for 2 h under microwave. Purification by combi-flash chromatography gave 0.48 g (61% yield) of the desired product. LC-MS found: 494.1 (M+H)+. Purification by combi-flash chromatography

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

Procedure: To the crude 4-(1-ethyl-4-methyl-1H-pyrazol-5-yl)-2-furancarboxylic acid in DCM (5 mL) at 25° C. was added PyBrOP (370 mg, 0.79 mmol) in one portion, followed by the addition of DIPEA (0.8 mL, 4.58 mmol). After 10 min, 2-[(2S)-2-amino-3-(3-fluorophenyl)propyl]-1H-isoindole-1,3(2H)-dione (220 mg, 0.74 mmol) was added to the reaction solution. After 2 h, the reaction mixture was concentrated and purified via column chromatography (silica, 20-50% EtOAc/Hexane) affording the title compound (164 mg, 54%) as a white solid: LC-MS (ES) m/z 501 (M+H)+. After 2 h the reaction mixture was concentrated purified via column chromatography (silica, 20-50% EtOAc/Hexane)

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

Procedure: To a 500 mL round-bottomed flask was added 5-chloro-4-(1,4-dimethyl-1H-pyrazol-5-yl)-2-thiophenecarboxylic acid (6.8 g, 26.5 mmol), 2-[(2S)-2-amino-3-(3-fluorophenyl)propyl]-1H-isoindole-1,3(2H)-dione (8.69 g, 29.1 mmol), N,N-diisopropyl ethylamine (14 mL, 80 mmol) and Pybrop (18.52 g, 39.7 mmol) in dichloromethane (DCM) (100 mL). After stirring at RT for 1 h, the reaction solution was washed with H2O (2×100 mL) and the organic layer was dried Na2SO4, filtered and concentrated. The crude product was added to a silica gel column and was eluted with (EtOAc/hexanes, 1:1) to give the title compound (6.1 g, 42.9%) as a white solid: LCMS (ES) m/z 537 (M+H)+. the reaction solution was washed with H2O (2×100 mL) filtered concentrated The crude product was added to a silica gel column was eluted with (EtOAc/hexanes, 1:1)

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

Procedure: To a 500 mL round-bottomed flask was added 5-chloro-4-(1,4-dimethyl-1H-pyrazol-5-yl)-2-thiophenecarboxylic acid (6.8 g, 26.5 mmol), 2-[(2S)-2-amino-3-(3-fluorophenyl)propyl]-1H-isoindole-1,3(2H)-dione (8.69 g, 29.1 mmol), N,N-diisopropyl ethylamine (14 mL, 80 mmol) and Pybrop (18.52 g, 39.7 mmol) in dichloromethane (DCM) (100 mL). After stirring at RT for 1 h, the reaction solution was washed with H2O (2×100 mL) and the organic layer was dried Na2SO4, filtered and concentrated. The crude product was added to a silica gel column and was eluted with (EtOAc/hexanes, 1:1) to give the title compound (6.1 g, 42.9%) as a white solid: LCMS (ES) m/z 537 (M+H)+. the reaction solution was washed with H2O (2×100 mL) filtered concentrated The crude product was added to a silica gel column was eluted with (EtOAc/hexanes, 1:1)

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

Procedure: To a solution of 5-chloro-4-(1-ethyl-4-methyl-1H-pyrazol-5-yl)-2-thiophenecarboxylic acid (130 mg, 0.48 mmol) [from Example 245(b)] in DCM (5 mL) at 25° C. was added PyBrOP (250 mg, 0.54 mmol) in one portion, followed by addition of DIPEA (0.7 mL, 4.01 mmol). After 10 min, 2-[(2S)-2-amino-3-(3-fluorophenyl)propyl]-1H-isoindole-1,3(2H)-dione (150 mg, 0.50 mmol) was added to above solution. After 2 h, the reaction mixture was concentrated and purified via column chromatography (silica, 20-50% EtOAc/Hexane) affording the title compound (210 mg, 79%) as a white solid: LC-MS m/z (ES) 551 (M+H)+. After 2 h the reaction mixture was concentrated purified via column chromatography (silica, 20-50% EtOAc/Hexane)

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

Procedure: To a solution of 5-chloro-4-(4-chloro-1-ethyl-1H-pyrazol-5-yl)-2-thiophenecarboxylic acid (180 mg, 0.618 mmol) [from Example 235(c)] in DCM (5 mL) at 25° C. was added PyBrOP in one portion, followed by addition of DIPEA (0.54 mL, 3.09 mmol). After stirring for 10 min, 2-[(2S)-2-amino-3-(3-fluorophenyl)propyl]-1H-isoindole-1,3(2H)-dione (203 mg, 0.68 mmol) was added to above solution in one portion. After stirring for 2 h, the solution was concentrated and purified via column chromatography (silica, 20-50% EtOAc/Hexane) affording the title compound (285 mg, 77%) as a white solid: LC-MS (ES) m/z=571 (M+H)+. After stirring for 2 h the solution was concentrated purified via column chromatography (silica, 20-50% EtOAc/Hexane)

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

Procedure: To a 50 mL round-bottomed flask was added 4-(4-chloro-1-methyl-1H-pyrazol-5-yl)-5-(methyloxy)-2-thiophenecarboxylic acid (220 mg, 0.81 mmol) [prepared according to the procedure of Example 188], 2-[(2S)-2-amino-3-(3-fluorophenyl)propyl]-1H-isoindole-1,3(2H)-dione (281 mg, 0.84 mmol) [prepared according to the procedure of Preparation 6, except substituting N-{[(1,1-dimethylethyl)oxy]carbonyl}-3-fluoro-L-phenylalanine (5.03 g, 17.8 mmol) for N-{[(1,1-dimethylethyl)oxy]carbonyl}-2-(trifluoromethyl)-L-phenylalanine] and PyBrop (472 mg, 1.0 mmol) in Chloroform (8 mL). DIEA (710 μL, 4.07 mmol) was added and the reaction stirred overnight at room temperature. The mixture was adsorbed onto silica and purified via column chromatography (25-70% EtOAc/Hex) affording the title compound (281 mg, 0.51 mmol, 63%): LC-MS (ES) m/z=553 (M+H)+. prepared prepared according to the procedure of Preparation 6 purified via column chromatography (25-70% EtOAc/Hex)

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

Procedure: To a 50 mL round-bottomed flask was added 4-(4-chloro-1-methyl-1H-pyrazol-5-yl)-5-methyl-2-furancarboxylic acid (244 mg, 0.95 mmol), 2-[(2S)-2-amino-3-(3-fluorophenyl)propyl]-1H-isoindole-1,3(2H)-dione (320 mg, 0.95 mmol) [prepared according to the procedure of Preparation 6, except substituting N-{[(1,1-dimethylethyl)oxy]carbonyl}-3-fluoro-L-phenylalanine (5.0 g, 17.8 mmol) for N-{[(1,1-dimethylethyl)oxy]carbonyl}-2-(trifluoromethyl)-L-phenylalanine] and PyBrop (533 mg, 1.14 mmol) in chloroform (9 mL). DIEA (830 μL, 4.75 mmol) was added and the reaction stirred overnight at room temperature. The mixture was adsorbed onto silica and purified via column chromatography (25-70% EtOAc/Hex) affording the title compound (242 mg, 0.465 mmol, 49%): LC-MS (ES) m/z=521 (M+H)+. prepared according to the procedure of Preparation 6 purified via column chromatography (25-70% EtOAc/Hex)

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

Procedure: To a 50 mL round-bottomed flask was added 4-(3-chloro-1,4-dimethyl-1H-pyrazol-5-yl)-2-thiophenecarboxylic acid (291 mg, 1.13 mmol) [prepared according to the procedure of Example 176], 2-[(2S)-2-amino-3-(3-fluorophenyl)propyl]-1H-isoindole-1,3(2H)-dione (409 mg, 1.22 mmol) [prepared according to the procedure of Preparation 6 except substituting N-{[(1,1-dimethylethyl)oxy]carbonyl}-3-fluoro-L-phenylalanine (5.03 g, 17.8 mmol) for N-{[(1,1-dimethylethyl)oxy]carbonyl}-2-(trifluoromethyl)-L-phenylalanine] and PyBrop (654 mg, 1.39 mmol) in chloroform (10 mL). DIEA (1 mL, 5.73 mmol) was added and the reaction stirred overnight at room temperature. The mixture was adsorbed onto silica and purified via column chromatography (25-70% EtOAc/Hex) affording the title compound (427 mg, 0.76 mmol, 67%): LC-MS (ES) m/z=537 (M+H)+. prepared prepared according to the procedure of Preparation 6 purified via column chromatography (25-70% EtOAc/Hex)

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

Procedure: To a 50 mL round-bottomed flask was added 4-(1,4-dimethyl-1H-pyrazol-5-yl)-5-methyl-2-thiophenecarboxylic acid (207 mg, 0.83 mmol) [prepared according to the procedure of Example 164], 2-[(2S)-2-amino-3-(3-fluorophenyl)propyl]-1H-isoindole-1,3(2H)-dione (279 mg, 0.83 mmol) [Prepared according to the procedure of Preparation 6 except substituting N-{[(1,1-dimethylethyl)oxy]carbonyl}-3-fluoro-L-phenylalanine (5.03 g, 17.8 mmol) for N-{[(1,1-dimethylethyl)oxy]carbonyl}-2-(trifluoromethyl)-L-phenylalanine] and PyBrop (469 mg, 1.00 mmol) in chloroform (8 mL). DIEA (730 μL, 4.18 mmol) was added and the reaction stirred overnight at room temperature. The mixture was adsorbed onto silica and purified via column chromatography (25-70% EtOAc/Hex) affording the title compound (209 mg, 0.36 mmol, 43%): LC-MS (ES) m/z=517 (M+H)+. prepared Prepared according to the procedure of Preparation 6 purified via column chromatography (25-70% EtOAc/Hex)