1-(3-bromophenyl)propan-1-one

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

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

Procedure: Potassium hydroxide (19.98 g, 356 mmol) was added to a suspension of 5-fluoro-1H-indole-2,3-dione (10 g, 59.4 mmol) in ethanol (96 mL). 1-(3-Bromophenyl)-1-propanone (13.91 g, 65.3 mmol) was added and the mixture was heated to reflux for 1 h. The reaction mixture was cooled to room temperature and acidified to pH 3 with concentrated HCl. The solid was collected by filtration, washed with water, and dried to afford 2-(3-bromophenyl)-6-fluoro-3-methyl-4-quinolinecarboxylic acid (20.9 g, 98% yield). This material was used without further purification. MS (m/z) 360.0 (M+H+). the mixture was heated to reflux for 1 h The solid was collected by filtration washed with water dried

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

Procedure: Potassium hydroxide (19.98 g, 356 mmol) was added to a suspension of 5-fluoro-1H-indole-2,3-dione (10 g, 59.4 mmol) in ethanol (96 mL). 1-(3-Bromophenyl)-1-propanone (13.91 g, 65.3 mmol) was added and the mixture was heated to reflux for 1 h. The reaction mixture was cooled to room temperature and acidified to pH 3 with concentrated HCl. The solid was collected by filtration, washed with water, and dried to afford 2-(3-bromophenyl)-6-fluoro-3-methyl-4-quinolinecarboxylic acid (20.9 g, 98% yield). This material was used without further purification. MS (m/z) 360.0 (M+H+). the mixture was heated to reflux for 1 h The solid was collected by filtration washed with water dried

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

Procedure: In analogy to the procedure described in example 16A], 4-(3-bromo-phenyl)-3-methyl-2,4-dioxo-butyric acid ethyl ester (synthesized from 3′-bromopropiophenone and diethyl oxalate, following a procedure described in Ksander, Gary M.; McMurry, John E.; Johnson, Mark. A method for the synthesis of unsaturated carbonyl compounds. Journal of Organic Chemistry (1977), 42(7), 1180-5) and hydrazine monohydrate were heated at 90° C. in EtOH for 1 h to give after crystallization (Et2O/n-penatane) the title compound in 46% yield as off-white powder. MS: 308.1 (M+, 1 Br). to give after crystallization (Et2O/n-penatane) the title compound in 46% yield as off-white powder

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

Procedure: In analogy to the procedure described in example 16A], 4-(3-bromo-phenyl)-3-methyl-2,4-dioxo-butyric acid ethyl ester (synthesized from 3′-bromopropiophenone and diethyl oxalate, following a procedure described in Ksander, Gary M.; McMurry, John E.; Johnson, Mark. A method for the synthesis of unsaturated carbonyl compounds. Journal of Organic Chemistry (1977), 42(7), 1180-5) and hydrazine monohydrate were heated at 90° C. in EtOH for 1 h to give after crystallization (Et2O/n-penatane) the title compound in 46% yield as off-white powder. MS: 308.1 (M+, 1 Br). to give after crystallization (Et2O/n-penatane) the title compound in 46% yield as off-white powder

Conditions: temp:65.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: 4.00 g (8.02 mmol) of 4-(3-bromo-phenyl)-3-methyl-2,4-dioxo-butyric acid ethyl ester (synthesized from 3′-bromopropiophenone and diethyl oxalate, following a procedure described in Ksander, Gary M.; McMurry, John E.; Johnson, Mark. A method for the synthesis of unsaturated carbonyl compounds. Journal of Organic Chemistry (1977), 42(7), 1180-5) were dissolved in 12.20 ml of MeOH and 0.37 g (8.02 mmol) of methylhydrazine were added. The reaction was heated under reflux (65° C.) for 1 h. Then the reaction was partitioned between chilled aqueous 1N HCl/EtOAc (3×). The organic phase was washed with aqueous 1N HCl, with aqueous sat. NaCl, dried (Na2SO4) and evaporated. The crude product was purified by flash chromatography (SiO2, n-heptane/EtOAc 99:1) to give 0.61 g of 5-(3-bromo-phenyl)-2,4-dimethyl-2H-pyrazole-3-carboxylic acid ethyl ester as yellow oil (MS: 323.2 MH+, Br) and 1.731 g of 5-(3-bromo-phenyl)-1,4-dimethyl-1H-pyrazole-3-carboxylic acid ethyl ester as yellow oil (MS: 323.2 MH+, Br). The reaction was heated Then the reaction was partitioned between chilled aqueous 1N HCl/EtOAc (3×) The organic phase was washed with aqueous 1N HCl, with aqueous sat. NaCl dried (Na2SO4) evaporated The crude product was purified by flash chromatography (SiO2, n-heptane/EtOAc 99:1)

Conditions: temp:65.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: 4.00 g (8.02 mmol) of 4-(3-bromo-phenyl)-3-methyl-2,4-dioxo-butyric acid ethyl ester (synthesized from 3′-bromopropiophenone and diethyl oxalate, following a procedure described in Ksander, Gary M.; McMurry, John E.; Johnson, Mark. A method for the synthesis of unsaturated carbonyl compounds. Journal of Organic Chemistry (1977), 42(7), 1180-5) were dissolved in 12.20 ml of MeOH and 0.37 g (8.02 mmol) of methylhydrazine were added. The reaction was heated under reflux (65° C.) for 1 h. Then the reaction was partitioned between chilled aqueous 1N HCl/EtOAc (3×). The organic phase was washed with aqueous 1N HCl, with aqueous sat. NaCl, dried (Na2SO4) and evaporated. The crude product was purified by flash chromatography (SiO2, n-heptane/EtOAc 99:1) to give 0.61 g of 5-(3-bromo-phenyl)-2,4-dimethyl-2H-pyrazole-3-carboxylic acid ethyl ester as yellow oil (MS: 323.2 MH+, Br) and 1.731 g of 5-(3-bromo-phenyl)-1,4-dimethyl-1H-pyrazole-3-carboxylic acid ethyl ester as yellow oil (MS: 323.2 MH+, Br). The reaction was heated Then the reaction was partitioned between chilled aqueous 1N HCl/EtOAc (3×) The organic phase was washed with aqueous 1N HCl, with aqueous sat. NaCl dried (Na2SO4) evaporated The crude product was purified by flash chromatography (SiO2, n-heptane/EtOAc 99:1)

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

Procedure: Potassium hydroxide (19.98 g, 356 mmol) was added to a suspension of 5-fluoro-1H-indole-2,3-dione (10 g, 59.4 mmol) in ethanol (96 mL). 1-(3-Bromophenyl)-1-propanone (13.91 g, 65.3 mmol) was added and the mixture was heated to reflux for 1 h. The reaction mixture was cooled to room temperature and acidified to pH 3 with concentrated HCl. The solid was collected by filtration, washed with water, and dried to afford 2-(3-bromophenyl)-6-fluoro-3-methyl-4-quinolinecarboxylic acid (20.9 g, 98% yield). This material was used without further purification. MS (m/z) 360.0 (M+H+). the mixture was heated to reflux for 1 h The solid was collected by filtration washed with water dried

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

Conditions: temp:80.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: A mixture of 3′-bromopropiophenone (11.4 g, 53 mmol), morpholine (60 mL), palladium acetate (300 mg, 2.5 mol %), di-t-butyl-biphenylphosphine (800 mg, 5 mol %), sodium t-butyloxide (6.1 g, 64 mmol) was stirred at 80° C. in a sealed tube for 24 hours. After cooling down, the reaction mixture was diluted with dichloromethane (150 mL) and washed with water (50 mL). The aqueous layer was extracted with dichloromethane (2×75 mL) and the combined organic layer was dried over magnesium sulfate and concentrated under vacuum. The crude product was purified by flash chromatography of Biotage with 25% ethyl acetate/hexanes to provide the title compound as pale yellow clear oil (4.23 g,). After cooling down washed with water (50 mL) The aqueous layer was extracted with dichloromethane (2×75 mL) the combined organic layer was dried over magnesium sulfate concentrated under vacuum The crude product was purified by flash chromatography of Biotage with 25% ethyl acetate/hexanes

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

Procedure: To a solution of 1-(3-bromophenyl)propan-1-one (2.00 g, 9.39 mmol) in 10 mL TFA, was added triethylsilane (4.50 mL, 28.2 mmol). The mixture was stirred at rt for 20 h, then concentrated. The crude material was purified by flash chromatography to afford 350 mg of Intermediate 214.1 as a colorless oil. concentrated The crude material was purified by flash chromatography

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

Procedure: A solution of 3'-bromopropiophenone (25 g) and triethylsilane (57 ml) in trifluoroacetic acid (50ml) was heated at reflux for 16 hours. The reaction mixture was evaporated under reduced pressure and the residue was purified by chromatography eluting with isohexane. Yield 25.14 g. The subtitle compound was contaminated with 17 mole % of 3-(1-propenyl)bromobenzene. Used directly in the next step. 1H NMR: δ(CDCl3) 7.32(m,2H), 7.10(m,2H), 2.55(t,2H), 1.61(m,2H), 0.90(t3H). at reflux for 16 hours The reaction mixture was evaporated under reduced pressure the residue was purified by chromatography eluting with isohexane