Methanol → HCID 46202055, compound

HRID 1845917Notes

Reaction equation

HRID 1845917 reaction equation
[F:1][C:2]1[CH:3]=[C:4]([C:8]2[CH:9]=[C:10]3[C:15](=[CH:16][CH:17]=2)[NH:14][C:13](=[O:18])[CH2:12][CH2:11]3)[CH:5]=[CH:6][CH:7]=1.[H-].[Na+].I[CH3:22].CO>O1CCCC1>[F:1][C:2]1[CH:3]=[C:4]([C:8]2[CH:9]=[C:10]3[C:15](=[CH:16][CH:17]=2)[N:14]([CH3:22])[C:13](=[O:18])[CH2:12][CH2:11]3)[CH:5]=[CH:6][CH:7]=1

Participants

6

Reactant 4

HCID 887MethanolHCID 6328Methyl iodideHCID 24758Sodium hydrideHCID 59316618HCID 59316618, compound

Product 1

HCID 46202055HCID 46202055, compound

Reagents, catalysts & solvents 1

HCID 8028TetrahydrofuranSolvent

Conditions

Temperature
40 °C

Procedure

To a cooled (0° C.) solution of 6-(3-fluorophenyl)-3,4-dihydroquinolin-2(1H)-one (48 mg, 0.20 mmol) in anhydrous tetrahydrofuran (2 mL) was added 95% sodium hydride (10 mg, 0.40 mmol). The reaction mixture was stirred for 5 minutes, then warmed to 40° C. for 15 minutes under an atmosphere of dry N2. Iodomethane (142 mg, 1.00 mmol) was added, and the resulting mixture was stirred at room temperature for 15 hours. Methanol (2 mL) was added, and the mixture stirred for 10 minutes. Solvent was removed from the reaction mixture under reduced pressure, ethyl acetate (30 mL) and 30% ammonium chloride (10 mL) were added, the organic phase was washed with water (10 mL), 30% ammonium chloride (15 mL) and brine (15 mL), and the organic layer was concentrated under reduced pressure to give 6-(3-fluorophenyl)-1-methyl-3,4-dihydroquinolin-2(1H)-one. MS m/z 256.1 (M+H), anal HPLC 92% in purity. 1H NMR (400 MHz; CDCl3) δ 7.46 (dd, J=8.6 Hz, 2.3 Hz, 1H); 7.30-7.42 (m, 3H); 7.25 (m, 1H); 6.98-7.10 (m, 2H); 3.39 (s, 3H); 2.97 (t, J=7.4 Hz, 2H); 2.70 (t, J=7.4 Hz, 2H).

Workup

  1. stirringthe resulting mixture was stirred at room temperature for 15 hours
  2. stirringthe mixture stirred for 10 minutes
  3. customSolvent was removed from the reaction mixture under reduced pressure, ethyl acetate (30 mL) and 30% ammonium chloride (10 mL)
  4. additionwere added
  5. washthe organic phase was washed with water (10 mL), 30% ammonium chloride (15 mL) and brine (15 mL)
  6. concentrationthe organic layer was concentrated under reduced pressure

Sources & evidence

ORD record
ord-e077ad377c87427abdfbed18027472e8
Source dataset
uspto-grants-2015_02
Patent number
US08952007B2

Reaction notes

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