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Water → 2-(4-(3-Acetyl-8-chloro-2-oxo-2,3-dihydro-1H-imidazo[4,5-c]quinolin-1-yl)phenyl)-2-methylpropanenitrile

HRID 476196
Notes
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Reaction equation

HRID 476196 reaction equation
[Cl:1][C:2]1[CH:11]=[CH:10][C:9]2[N:8]=[CH:7][C:6]3[NH:12][C:13](=[O:26])[N:14]([C:15]4[CH:20]=[CH:19][C:18]([C:21]([CH3:25])([CH3:24])[C:22]#[N:23])=[CH:17][CH:16]=4)[C:5]=3[C:4]=2[CH:3]=1.[C:27]([O-])(=[O:29])[CH3:28].[Na+].O>C(OC(=O)C)(=O)C>[C:27]([N:12]1[C:6]2[CH:7]=[N:8][C:9]3[CH:10]=[CH:11][C:2]([Cl:1])=[CH:3][C:4]=3[C:5]=2[N:14]([C:15]2[CH:20]=[CH:19][C:18]([C:21]([CH3:24])([CH3:25])[C:22]#[N:23])=[CH:17][CH:16]=2)[C:13]1=[O:26])(=[O:29])[CH3:28]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 962WaterHCID 517045Sodium AcetateHCID 668963372-(4-(8-chloro-2-oxo-2,3-dihydro-1H-imidazo[4,5-c]quinolin-1-yl)phenyl)-2-methylpropanenitrile2×

Product 1

HCID 498537942-(4-(3-Acetyl-8-chloro-2-oxo-2,3-dihydro-1H-imidazo[4,5-c]quinolin-1-yl)phenyl)-2-methylpropanenitrile

Reagents, catalysts & solvents 1

HCID 7918
Acetic Anhydride
Solvent

Procedure

A mixture of 2-(4-(8-chloro-2-oxo-2,3-dihydro-1H-imidazo[4,5-c]quinolin-1-yl)phenyl)-2-methylpropanenitrile (Intermediate 2, 80 mg, 0.22 mmol) and sodium acetate (27.06 mg, 0.33 mmol) was heated at 50° C. in acetic anhydride (2 ml) for 3 hours. Reaction mixture was cooled to RT. Water was added and extracted with chloroform. Chloroform layer was washed with brine, dried over sodium sulfate and concentrated. The crude product was purified by column chromatography (silica gel, 2% acetone in chloroform) to obtain the title compound. Yield: 26 mg (29%); 1H NMR (CDCl3, 300 MHz): δ 9.796 (s, 1H), 8.039-8.070 (d, 1H, J=9.3 Hz), 7.764-7.792 (d, 2H, J=8.4 Hz), 7.499-7.537 (m, 3H), 6.861-6.868 (d, 1H, J=2.1 Hz), 2.822 (s, 3H), 1.83 (s, 6H); MS: m/z 405 (M+).

Workup

  1. customReaction mixture
  2. extractionextracted with chloroform
  3. washChloroform layer was washed with brine
  4. dry with materialdried over sodium sulfate
  5. concentrationconcentrated
  6. customThe crude product was purified by column chromatography (silica gel, 2% acetone in chloroform)

Sources & evidence

ORD record
ord-9a0a191c2b874601b7f0838dd014f1ee
Source dataset
uspto-grants-2014_01
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08637670B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes