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Methyl iodide → 5-(4-Fluorobenzoyl)-6-methoxy-2-methylsulfonylnaphthalene

HRID 1858001
Notes
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Reaction equation

HRID 1858001 reaction equation
[F:1][C:2]1[CH:24]=[CH:23][C:5]([C:6]([C:8]2[C:17]([OH:18])=[CH:16][CH:15]=[C:14]3[C:9]=2[CH:10]=[CH:11][C:12]([S:19]([CH3:22])(=[O:21])=[O:20])=[CH:13]3)=[O:7])=[CH:4][CH:3]=1.CI.[C:27](=O)([O-])[O-].[K+].[K+]>CN(C)C=O.O>[F:1][C:2]1[CH:24]=[CH:23][C:5]([C:6]([C:8]2[C:17]([O:18][CH3:27])=[CH:16][CH:15]=[C:14]3[C:9]=2[CH:10]=[CH:11][C:12]([S:19]([CH3:22])(=[O:21])=[O:20])=[CH:13]3)=[O:7])=[CH:4][CH:3]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 3

HCID 6328Methyl iodideHCID 11430Potassium CarbonateHCID 15434620HCID 15434620, compound

Product 1

HCID 154346165-(4-Fluorobenzoyl)-6-methoxy-2-methylsulfonylnaphthaleneYield 96.2%

Reagents, catalysts & solvents 2

HCID 962WaterSolvent
HCID 6228
Dimethylformamide
Solvent

Procedure

A mixture of 5-(4-fluorobenzoyl)-6-hydroxy-2-methylsulfonylnaphthalene (1.0 g, 2.9 mmol), [prepared as described in step 3 above], methyl iodide (0.65 ml, 10.45 mmol), and potassium carbonate (0.64 g, 4.65 mmol) in N,N-dimethylformamide (10 ml) was stirred at room temperature. After 16 h, the reaction mixture was diluted with water and extracted into ethyl acetate. The organic layer was separated, washed with brine, and dried over sodium sulfate. The solvent was removed in vacuo and the crude product was purified by flash chromatography (gradient elution 40-100% ethyl acetate/hexanes) to give 1.0 g of 5-(4-fluorobenzoyl)-6-methoxy-2-methylsulfonylnaphthalene as a solid (96% yield).

Workup

  1. extractionextracted into ethyl acetate
  2. customThe organic layer was separated
  3. washwashed with brine
  4. dry with materialdried over sodium sulfate
  5. customThe solvent was removed in vacuo
  6. customthe crude product was purified by flash chromatography (gradient elution 40-100% ethyl acetate/hexanes)

Sources & evidence

ORD record
ord-c6552cfdd80a46f1815cb553a52d5ef6
Source dataset
uspto-grants-2000_11
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US06150397

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes