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Water → [(3S)-6-({4'-[2-(ethylsulfonyl)ethoxy]-2',6'-dimethylbiphenyl-3-yl}methoxy)-2,3-dihydro-1-benzofuran-3-yl]acetic acid

HRID 1908916
Notes
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Reaction equation

HRID 1908916 reaction equation
[CH2:1]([S:3][CH2:4][CH2:5][O:6][C:7]1[CH:12]=[C:11]([CH3:13])[C:10]([C:14]2[CH2:15][C:16](=[CH:20][O:21][C:22]3[CH:34]=[CH:33][C:25]4[C@H:26]([CH2:29][C:30]([OH:32])=[O:31])[CH2:27][O:28][C:24]=4[CH:23]=3)[CH:17]=[CH:18][CH:19]=2)=[C:9]([CH3:35])[CH:8]=1)[CH3:2].S(O[O-])([O-])(=O)=[O:37].[K+].[K+].[OH2:44]>CO>[CH2:1]([S:3]([CH2:4][CH2:5][O:6][C:7]1[CH:8]=[C:9]([CH3:35])[C:10]([C:14]2[CH:19]=[CH:18][CH:17]=[C:16]([CH2:20][O:21][C:22]3[CH:34]=[CH:33][C:25]4[C@H:26]([CH2:29][C:30]([OH:32])=[O:31])[CH2:27][O:28][C:24]=4[CH:23]=3)[CH:15]=2)=[C:11]([CH3:13])[CH:12]=1)(=[O:37])=[O:44])[CH3:2]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 962Water2×HCID 10313463Potassium peroxymonosulphateHCID 131731064[(3S)-6-({4'-[2-(ethylthio)ethoxy]-2',6'-dimethylbiphenyl-3-yl-3-yl}methoxy)-2,3-dihydro-1-benzofuran-3-yl]acetic acid

Product 1

HCID 57414539[(3S)-6-({4'-[2-(ethylsulfonyl)ethoxy]-2',6'-dimethylbiphenyl-3-yl}methoxy)-2,3-dihydro-1-benzofuran-3-yl]acetic acidYield 73%

Reagents, catalysts & solvents 1

HCID 887MethanolSolvent

Procedure

To a solution of [(3S)-6-({4′-[2-(ethylthio)ethoxy]-2′,6′-dimethylbiphenyl-3-yl-3-yl}methoxy)-2,3-dihydro-1-benzofuran-3-yl]acetic acid (0.304 g, 0.617 mmol) in methanol (10 mL) was added dropwise a solution of potassium peroxysulfate (trade name: OXONE, 0.569 g, 0.926 mmol) in water (5 mL) under ice-cooling, and the mixture was stirred for 12 hr, during which the mixture was allowed to gradually warm to room temperature. The reaction mixture was diluted with water, and extracted with ethyl acetate. The extract was washed with saturated brine, dried over anhydrous magnesium sulfate, and concentrated under reduced pressure. The residue was purified by preparative HPLC, and the obtained crystals were recrystallized from heptane-ethyl acetate to give the title compound (0.237 g, yield 73%) as colorless crystals.

Workup

  1. temperaturecooling
  2. extractionextracted with ethyl acetate
  3. washThe extract was washed with saturated brine
  4. dry with materialdried over anhydrous magnesium sulfate
  5. concentrationconcentrated under reduced pressure
  6. customThe residue was purified by preparative HPLC
  7. customthe obtained crystals were recrystallized from heptane-ethyl acetate

Sources & evidence

ORD record
ord-012270e238964d4a8e04a162968e2a83
Source dataset
uspto-grants-2013_12
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08598226B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes