2-(4-bromophenyl)acetamide

Conditions: temp:0.00; pressure:0.00; stir:

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

Procedure: (±)-Trans-3-(5,6-dihydro-4H-pyrrolo[3,2,1-ij]quinolin-1yl)-4-(4-bromophenyl)pyrrolidine-2,5-dione was prepared according to Example 40 replacing 2-chloro-4-fluorophenylacetamide with 4-bromophenylacetamide. Yield 33.1 mg, 8.1%. 1H NMR (DMSO-d6) 400 MHz δ: 11.55 (s, 1H), 7.53 (dt, 2H, J=8.8 2.0 Hz), 7.34 (dt, 3H, J=8.0 2.0 Hz), 7.15 (dd, 1H, J=7.6 1.0 Hz), 6.86 (m, 2H), 4.53 (d, 1H, J=8.0 Hz), 4.37 (d, 1H, J=8.0 Hz), 4.10 (t, 2H, J=1.6 Hz), 2.90 (t, 2H, J=2.0 Hz), 2.12 (t, 2H, J=1.8 Hz).

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

Procedure: (±)-Trans-3-(5,6-dihydro-4H-pyrrolo[3,2,1-ij]quinolin-1yl)-4-(4-bromophenyl)pyrrolidine-2,5-dione was prepared according to Example 40 replacing 2-chloro-4-fluorophenylacetamide with 4-bromophenylacetamide. Yield 33.1 mg, 8.1%. 1H NMR (DMSO-d6) 400 MHz δ: 11.55 (s, 1H), 7.53 (dt, 2H, J=8.8 2.0 Hz), 7.34 (dt, 3H, J=8.0 2.0 Hz), 7.15 (dd, 1H, J=7.6 1.0 Hz), 6.86 (m, 2H), 4.53 (d, 1H, J=8.0 Hz), 4.37 (d, 1H, J=8.0 Hz), 4.10 (t, 2H, J=1.6 Hz), 2.90 (t, 2H, J=2.0 Hz), 2.12 (t, 2H, J=1.8 Hz).

Conditions: temp:130.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: A suspension of 2-(4-bromophenyl)acetamide (85.0 mg, 0.37 mmol), 5,5,5′,5′-tetramethyl-2,2′-bi-1,3,2-dioxaborinane (136 mg, 0.37 mmol), [1,1′-bis(diphenylphosphino)ferrocene]dichloropalladium(II) (15.0 mg, 0.018 mmol) and potassium acetate (107 mg, 1.09 mmol) in 1,4-dioxane (1 mL) was sealed in a pressure tube and heated to 130° C. for 1 hour. To the mixture was added 5-bromo-6-chloro-1H-indazole-3-carboxylic acid (100 mg, 0.36 mmol), [1,1′-bis(diphenylphosphino)ferrocene]dichloropalladium(II) (14.7 mg, 0.018 mmol), 2N aqueous potassium carbonate solution (0.5 mL, 1 mmol) and EtOH (2 mL). The mixture was sealed and heated to 130° C. for 1 hour. Water (3 mL) was added to the reaction mixture, followed by 1N HCl solution to adjust the pH to 2. The layers were separated and the aqueous layer was extracted with EtOAc (3×5 mL). The combined organic layers were dried over Na2SO4 and concentrated in vacuo. The crude material was purified by reverse phase HPLC (Column: Waters Sunfire C18 19×100 mm, 5 μm; Mobile phase A: 0.05% TFA in water (v/v); Mobile phase B: 0.05% TFA in MeCN (v/v); 95.0% H2O/5.0% MeCN linear to 0% H2O/100% MeCN in 10.5 min, HOLD at 0% H2O/100% MeCN to 12.0 min. Flow: 25 mL/min) to afford the title compound (3.3 mg, 3% yield). MS (ES+) 330.1 (M+H)+. Retention time=2.04 minutes (Column: Waters Atlantis dC18 4.6×50 mm, 5 μm; Mobile phase A: 0.05% TFA in water (v/v); Mobile phase B: 0.05% TFA in MeCN (v/v); Gradient: 95:5 A:B linear to 5:95 A:B in 4.0 min, hold at 5:95 A:B to 5.0 min. Flow: 2 mL/min). was sealed in a pressure tube The mixture was sealed heated to 130° C. for 1 hour The layers were separated the aqueous layer was extracted with EtOAc (3×5 mL) The combined organic layers were dried over Na2SO4 concentrated in vacuo The crude material was purified by reverse phase HPLC (Column: Waters Sunfire C18 19×100 mm, 5 μm; Mobile phase A: 0.05% TFA in water (v/v); Mobile phase B: 0.05% TFA in MeCN (v/v); 95.0% H2O/5.0% MeCN linear to 0% H2O/100% MeCN in 10.5 min, HOLD at 0% H2O/100% MeCN to 12.0 min. Flow: 25 mL/min)

Conditions: temp:0.00; pressure:0.00; stir:

Conditions: temp:0.00; pressure:0.00; stir:

Conditions: temp:130.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: A suspension of 2-(4-bromophenyl)acetamide (85.0 mg, 0.37 mmol), 5,5,5′,5′-tetramethyl-2,2′-bi-1,3,2-dioxaborinane (136 mg, 0.37 mmol), [1,1′-bis(diphenylphosphino)ferrocene]dichloropalladium(II) (15.0 mg, 0.018 mmol) and potassium acetate (107 mg, 1.09 mmol) in 1,4-dioxane (1 mL) was sealed in a pressure tube and heated to 130° C. for 1 hour. To the mixture was added 5-bromo-6-chloro-1H-indazole-3-carboxylic acid (100 mg, 0.36 mmol), [1,1′-bis(diphenylphosphino)ferrocene]dichloropalladium(II) (14.7 mg, 0.018 mmol), 2 N aqueous potassium carbonate solution (0.5 mL, 1 mmol) and EtOH (2 mL). The mixture was sealed and heated to 130° C. for 1 hour. Water (3 mL) was added to the reaction mixture, followed by 1 N HCl solution to adjust the pH to 2. The layers were separated and the aqueous layer was extracted with EtOAc (3×5 mL). The combined organic layers were dried over Na2SO4 and concentrated in vacuo. The crude material was purified by reverse phase HPLC (Column: Waters Sunfire C18 19×100 mm, 5 μm; Mobile phase A: 0.05% TFA in water (v/v); Mobile phase B: 0.05% TFA in MeCN (v/v); 95.0% H2O/5.0% MeCN linear to 0% H2O/100% MeCN in 10.5 min, HOLD at 0% H2O/100% MeCN to 12.0 min. Flow: 25 mL/min) to afford the title compound (3.3 mg, 3% yield). MS (ES+) 330.1 (M+H)+. Retention time=2.04 minutes (Column: Waters Atlantis dC18 4.6×50 mm, 5 μm; Mobile phase A: 0.05% TFA in water (v/v); Mobile phase B: 0.05% TFA in MeCN (v/v); Gradient: 95:5 A:B linear to 5:95 A:B in 4.0 min, hold at 5:95 A:B to 5.0 min. Flow: 2 mL/min). was sealed in a pressure tube The mixture was sealed heated to 130° C. for 1 hour The layers were separated the aqueous layer was extracted with EtOAc (3×5 mL) The combined organic layers were dried over Na2SO4 concentrated in vacuo The crude material was purified by reverse phase HPLC (Column: Waters Sunfire C18 19×100 mm, 5 μm; Mobile phase A: 0.05% TFA in water (v/v); Mobile phase B: 0.05% TFA in MeCN (v/v); 95.0% H2O/5.0% MeCN linear to 0% H2O/100% MeCN in 10.5 min, HOLD at 0% H2O/100% MeCN to 12.0 min. Flow: 25 mL/min)

Conditions: temp:85.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: Stir a mixture of SiCl4 (1.7 g, 10 mmol, 2 eq.) and NaN3 (1.95 g, 30 mmol, 6 eq.) in 50 mL of acetonitrile for 2 hours. Add 1.07 g of 2-(4-bromophenyl) acetamide (5 mmol, 1 eq.) and heat to 85° C. for 5 hour. Cool to room temperature and filter off the solid wash the solid with EtOAc. Wash the ester layer with water, saturated aq. sodium chloride, dry over MgSO4 and evaporate the solvent to afford 900 mg title compound (80%). MS (m/e): 237.0. Cool to room temperature filter off the solid wash the solid with EtOAc Wash the ester layer with water, saturated aq. sodium chloride dry over MgSO4 evaporate the solvent

Conditions: temp:85.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: Stir a mixture of SiCl4 (1.7 g, 10 mmol, 2 eq.) and NaN3 (1.95 g, 30 mmol, 6 eq.) in 50 mL of acetonitrile for 2 hours. Add 1.07 g of 2-(4-bromophenyl) acetamide (5 mmol, 1 eq.) and heat to 85° C. for 5 hour. Cool to room temperature and filter off the solid wash the solid with EtOAc. Wash the ester layer with water, saturated aq. sodium chloride, dry over MgSO4 and evaporate the solvent to afford 900 mg title compound (80%). MS (m/e): 237.0. Cool to room temperature filter off the solid wash the solid with EtOAc Wash the ester layer with water, saturated aq. sodium chloride dry over MgSO4 evaporate the solvent

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

Procedure: (±)-Trans-3-(5,6-dihydro-4H-pyrrolo[3,2,1-ij]quinolin-1yl)-4-(4-bromophenyl)pyrrolidine-2,5-dione was prepared according to Example 40 replacing 2-chloro-4-fluorophenylacetamide with 4-bromophenylacetamide. Yield 33.1 mg, 8.1%. 1H NMR (DMSO-d6) 400 MHz δ: 11.55 (s, 1H), 7.53 (dt, 2H, J=8.8 2.0 Hz), 7.34 (dt, 3H, J=8.0 2.0 Hz), 7.15 (dd, 1H, J=7.6 1.0 Hz), 6.86 (m, 2H), 4.53 (d, 1H, J=8.0 Hz), 4.37 (d, 1H, J=8.0 Hz), 4.10 (t, 2H, J=1.6 Hz), 2.90 (t, 2H, J=2.0 Hz), 2.12 (t, 2H, J=1.8 Hz).

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

Procedure: (±)-Trans-3-(5,6-dihydro-4H-pyrrolo[3,2,1-ij]quinolin-1yl)-4-(4-bromophenyl)pyrrolidine-2,5-dione was prepared according to Example 40 replacing 2-chloro-4-fluorophenylacetamide with 4-bromophenylacetamide. Yield 33.1 mg, 8.1%. 1H NMR (DMSO-d6) 400 MHz δ: 11.55 (s, 1H), 7.53 (dt, 2H, J=8.8 2.0 Hz), 7.34 (dt, 3H, J=8.0 2.0 Hz), 7.15 (dd, 1H, J=7.6 1.0 Hz), 6.86 (m, 2H), 4.53 (d, 1H, J=8.0 Hz), 4.37 (d, 1H, J=8.0 Hz), 4.10 (t, 2H, J=1.6 Hz), 2.90 (t, 2H, J=2.0 Hz), 2.12 (t, 2H, J=1.8 Hz).

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

Procedure: (±)-Trans-3-(5,6-dihydro-4H-pyrrolo[3,2,1-ij]quinolin-1yl)-4-(4-bromophenyl)pyrrolidine-2,5-dione was prepared according to Example 40 replacing 2-chloro-4-fluorophenylacetamide with 4-bromophenylacetamide. Yield 33.1 mg, 8.1%. 1H NMR (DMSO-d6) 400 MHz δ: 11.55 (s, 1H), 7.53 (dt, 2H, J=8.8 2.0 Hz), 7.34 (dt, 3H, J=8.0 2.0 Hz), 7.15 (dd, 1H, J=7.6 1.0 Hz), 6.86 (m, 2H), 4.53 (d, 1H, J=8.0 Hz), 4.37 (d, 1H, J=8.0 Hz), 4.10 (t, 2H, J=1.6 Hz), 2.90 (t, 2H, J=2.0 Hz), 2.12 (t, 2H, J=1.8 Hz).