6-溴-1,2,3,4-四氢-2-喹啉酮

反应条件: temp:0.00; pressure:0.00; stir:

反应条件: temp:0.00; pressure:0.00; stir:

反应条件: temp:0.00; pressure:0.00; stir:

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

实验步骤: To a solution of 1.0 g of 6-bromo-3,4-dihydrocarbostyril, 520 mg of 3-pyridyldiethylborane and 205 mg. of tetrakis(triphenylphosphine)palladium in 20 ml of tetrahydrofuran was added 600 mg of powdered potassium hydroxide and 114 mg of tetrabutylammonium bromide. The mixture was refluxed for 48 hours under an inert atmosphere and the solvent then removed under reduced pressure. The residue was extracted with a mixture of 10% of methanol in methylene chloride and the organic solution washed with water and dried over anhydrous sodium sulfate. The solvent was removed from the dried solution under reduced pressure, and the residue chromatographed on silica gel, eluting with 5% methanol in methylene chloride to give 6-(3-pyridyl)-3,4-dihydrocarbostyril, m.p. 180°-182° C. The mixture was refluxed for 48 hours under an inert atmosphere the solvent then removed under reduced pressure The residue was extracted with a mixture of 10% of methanol in methylene chloride the organic solution washed with water dried over anhydrous sodium sulfate The solvent was removed from the dried solution under reduced pressure the residue chromatographed on silica gel eluting with 5% methanol in methylene chloride

反应条件: temp:90.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: A mixture of 1.0 g of 6-bromo-3,4-dihydrocarbostyril, 300 mg of imidazole, 40 mg of cuprous iodide and 600 mg of potassium carbonate in 4 ml of N,N-dimethylformamide was heated at 90° C. for 48 hours. The reaction mixture was poured into water and extracted with a mixture of 10% methanol in methylene chloride. The organic layer was dried over anhydrous sodium sulfate, the solvent removed under reduced pressure and the residue chromatographed on silica gel, eluting with 3% methanol in methylene chloride, giving 6-(imidazol-1-yl)-3,4-dihydrocarbostyril, m.p. 205°-208° C. extracted with a mixture of 10% methanol in methylene chloride The organic layer was dried over anhydrous sodium sulfate the solvent removed under reduced pressure the residue chromatographed on silica gel eluting with 3% methanol in methylene chloride

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

实验步骤: A mixture of 11.6 mg of cuprous iodide, 86 mg of bis (triphenylphosphine) palladium (II) dichloride, 1.5 g of 6-bromo-3,4-dihydrocarbostyril and 774 mg of N-propargylimidazole was stirred in a mixture of 10 ml of pyridine and 2 ml of triethylamine at 100° C. for 48 hours under nitrogen. The reaction was then treated with 10 ml of saturated aqueous potassium carbonate and extracted with a solution of 10% methanol in methylene chloride. The extract was dried over anhydrous sodium sulfate, the solvent removed under reduced pressure and the residue chromatographed on silica gel eluting with 4% methanol in methylene chloride, yielding 6-[3-(imidazol-1-yl)-prop-1-yn-1-yl]-3,4-dihydrocarbostyril, m.p. 164°-168° C. extracted with a solution of 10% methanol in methylene chloride The extract was dried over anhydrous sodium sulfate the solvent removed under reduced pressure the residue chromatographed on silica gel eluting with 4% methanol in methylene chloride

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

实验步骤: A mixture of 8.0 g of 6-bromo-3,4-dihydrocarbostyril, 6.95 g of trimethylsilylacetylene, 460 mg of bis(triphenylphosphine)palladium dichloride and 62 mg of cuprous iodide in 53 ml of pyridine and 11 ml of triethylamine was refluxed for 3 days. The solvent was removed under reduced pressure, 50 ml of methanol added along with 300 mg of potassium carbonate, and the mixture stirred under nitrogen for 18 hours. The solvent was removed under reduced pressure and the residue chromatographed on silica gel, eluting with 3% methanol in methylene chloride, giving a product of 6-ethynyl-3,4-dihydrocarbostyril, m.p. 182°-184° C. was refluxed for 3 days The solvent was removed under reduced pressure, 50 ml of methanol added along with 300 mg of potassium carbonate The solvent was removed under reduced pressure the residue chromatographed on silica gel eluting with 3% methanol in methylene chloride

反应条件: temp:-78.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: Following the procedure reported above for 2-ethyl-5-formyl-2H-1,2,3,4-tetrahydroisoquinolone described above, 6-bromo-1,2,3,4-tetrahydroquinol-2-one (1.07 g, 4.73 mmol), a solution oft-butyllithium in heptane (1.7M, 9.7 mL, 16.6 mmol), DMF (0.37 mL, 4.73 mmol) and THF 35 mL) were combined. The reaction mixture was stirred at −78° C. for 4 h and HOAc (1 mL) was added. The previously described workup provided crude product. Column chromatography (EtOAc:hexane::1:1, then DCM:MeOH::97:3) and removal of solvent in vacuo provided a white solid (116 mg, 14% yield): 1H NMR: 9.90 (s, 1H), 8.0 (s, 1H), 7.77–7.74 (m, 2H), 6.89 (d, 1H, J=8), 3.07 (t, 2H, J=7), 2.71 (t, 2H, J=7). The previously described workup provided crude product Column chromatography (EtOAc:hexane::1:1, then DCM:MeOH::97:3) and removal of solvent in vacuo

反应条件: temp:-78.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: Following the procedure reported above for 2-ethyl-5-formyl-2H-1,2,3,4-tetrahydroisoquinolone described above, 6-bromo-1,2,3,4-tetrahydroquinol-2-one (1.07 g, 4.73 mmol), a solution oft-butyllithium in heptane (1.7M, 9.7 mL, 16.6 mmol), DMF (0.37 mL, 4.73 mmol) and THF 35 mL) were combined. The reaction mixture was stirred at −78° C. for 4 h and HOAc (1 mL) was added. The previously described workup provided crude product. Column chromatography (EtOAc:hexane::1:1, then DCM:MeOH::97:3) and removal of solvent in vacuo provided a white solid (116 mg, 14% yield): 1H NMR: 9.90 (s, 1H), 8.0 (s, 1H), 7.77–7.74 (m, 2H), 6.89 (d, 1H, J=8), 3.07 (t, 2H, J=7), 2.71 (t, 2H, J=7). The previously described workup provided crude product Column chromatography (EtOAc:hexane::1:1, then DCM:MeOH::97:3) and removal of solvent in vacuo

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

实验步骤: The title compound was synthesized using a procedure similar to that shown in Scheme 1 with a coupling reaction between (S)-tert-butyl 1-(N-(5-bromothiazol-2-yl)-tert-butoxylcarbonylamino)-3-(4-(trifluoromethyl)phenyl)propan-2-ylcarbamate as shown in Scheme 10 and 6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-3,4-dihydroquinolin-2(1H)-one, which was prepared from commercially available 6-bromo-3,4-dihydroquinolin-2(1H)-one in a similar manner to the procedure shown in Scheme 1. MS m/z: 447 (M+1). 1H NMR (400 MHz, CD3OD): δ ppm 2.55-2.60 (m, 2H), 2.97 (t, J=7.63 Hz, 2H), 3.09 (dd, J=14.97, 7.34 Hz, 2H), 3.52 (d, J=6.85 Hz, 1H), 3.62 (d, J=3.72 Hz, 1H), 3.70 (m, 1H), 6.86 (d, J=8.22 Hz, 1H), 7.23-7.34 (m, 3H), 7.53 (d, J=8.02 Hz, 2H), 7.69 (d, J=8.02 Hz, 2H).

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

实验步骤: The title compound was synthesized using a procedure similar to that shown in Scheme 1 with a coupling reaction between (S)-tert-butyl 1-(N-(5-bromothiazol-2-yl)-tert-butoxylcarbonylamino)-3-(4-(trifluoromethyl)phenyl)propan-2-ylcarbamate as shown in Scheme 10 and 6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-3,4-dihydroquinolin-2(1H)-one, which was prepared from commercially available 6-bromo-3,4-dihydroquinolin-2(1H)-one in a similar manner to the procedure shown in Scheme 1. MS m/z: 447 (M+1). 1H NMR (400 MHz, CD3OD): δ ppm 2.55-2.60 (m, 2H), 2.97 (t, J=7.63 Hz, 2H), 3.09 (dd, J=14.97, 7.34 Hz, 2H), 3.52 (d, J=6.85 Hz, 1H), 3.62 (d, J=3.72 Hz, 1H), 3.70 (m, 1H), 6.86 (d, J=8.22 Hz, 1H), 7.23-7.34 (m, 3H), 7.53 (d, J=8.02 Hz, 2H), 7.69 (d, J=8.02 Hz, 2H).

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

实验步骤: To a solution of 6-bromo-3,4-dihydroquinolin-2(1H)-one (5 g, 22.1 mmol) in DMF (100 mL) cooled to 0° C. was added potassium tert-butoxide (4.96 g, 44.2 mmol) portionwise and the reaction mixture was stirred at 0° C. for 15 min. Then, methyl iodide (4.08 g, 28.8 mmol) was added and the reaction mixture allowed to warm up to room temperature and stirring was continued over night. More MeI (1.25 g, 8.86 mmol) was added and the reaction mixture was heated to 40° C. until completion of the reaction. The mixture was diluted with EtOAc, poured into 100 mL of 1M HCl and the aqueous phase was extracted with EtOAc (2×200 mL). Combined organics were washed with brine, dried over Na2SO4, filtered and evaporated to dryness. The residue was purified by silica gel flash chromatography eluting with a 0 to 30% EtOAc-heptane gradient to give the title compound (4.23 g, 80%) as an off white solid. MS: 240.0, 242.1 (M+H+). to warm up to room temperature stirring was continued over night the reaction mixture was heated to 40° C. until completion of the reaction the aqueous phase was extracted with EtOAc (2×200 mL) Combined organics were washed with brine dried over Na2SO4 filtered evaporated to dryness The residue was purified by silica gel flash chromatography eluting with a 0 to 30% EtOAc-heptane gradient