Potassium Iodide → HCID 57803034, compound

HRID 2102662Notes

Reaction equation

HRID 2102662 reaction equation
[Cl:1][C:2]1[CH:10]=[C:9]2[C:5]([CH:6]([C:12]3[CH:17]=[CH:16][C:15]([O:18][CH3:19])=[CH:14][CH:13]=3)[C:7](=[O:11])[NH:8]2)=[CH:4][CH:3]=1.[CH2:20](Br)[C:21]1[CH:26]=[CH:25][CH:24]=[CH:23][CH:22]=1.[I-].[K+].C(=O)([O-])[O-].[K+].[K+]>CC(C)=O.C(OCC)(=O)C>[CH2:20]([C:6]1([C:12]2[CH:17]=[CH:16][C:15]([O:18][CH3:19])=[CH:14][CH:13]=2)[C:5]2[C:9](=[CH:10][C:2]([Cl:1])=[CH:3][CH:4]=2)[NH:8][C:7]1=[O:11])[C:21]1[CH:26]=[CH:25][CH:24]=[CH:23][CH:22]=1

Participants

7

Reactant 4

HCID 4875Potassium IodideHCID 7498Benzyl BromideHCID 11430Potassium CarbonateHCID 57803080HCID 57803080, compound

Product 1

HCID 57803034HCID 57803034, compound

Reagents, catalysts & solvents 2

HCID 180AcetoneSolventHCID 8857Ethyl AcetateSolvent

Conditions

Temperature
60 °C

Procedure

A mixture of rac-6-chloro-3-(4-methoxy-phenyl)-1,3-dihydro-indol-2-one (0.16 g, 0.6 mmol) (from Example 4b supra), benzyl bromide (0.12 g, 0.7 mmol) (Aldrich), potassium iodide (0.12 g, 0.71 mmol) and potassium carbonate (0.18 g, 1.3 mmol) in acetone (5 mL) was heated at 60° C. for 23 hours in a capped pressure tube. After cooling, mixture was diluted with ethyl acetate (50 mL) and extracted with water (2×50 mL) and brine (50 mL). Aqueous layers were back washed with ethyl acetate (50 mL). Organic layers were combined, dried (MgSO4), filtered and concentrated. Residue was purified by flash chromatography (Biotage 40S, dichloromethane, then 5% ethyl acetate in dichloromethane as solvent) to give product. Attempts to recrystallize the product failed. Sample was concentrated to give rac-3-benzyl-6-chloro-3-(4-methoxy-phenyl)-1,3-dihydro-indol-2-one as a colorless glass. (Yield 0.17 g, 77.9%).

Workup

  1. temperatureAfter cooling
  2. extractionextracted with water (2×50 mL) and brine (50 mL)
  3. washAqueous layers were back washed with ethyl acetate (50 mL)
  4. dry with materialdried (MgSO4)
  5. filtrationfiltered
  6. concentrationconcentrated
  7. customResidue was purified by flash chromatography (Biotage 40S, dichloromethane
  8. custom5% ethyl acetate in dichloromethane as solvent) to give product
  9. customto recrystallize the product
  10. concentrationSample was concentrated

Sources & evidence

ORD record
ord-ecc09ca505fe41609a564cc3fe19efd3
Source dataset
uspto-grants-2009_08
Patent number
US07576082B2

Reaction notes

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