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Sodium Carbonate → 2'-(2,4,6-Trimethoxybenzylthio)biphenyl-3-ol

HRID 1158198
Notes
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Reaction equation

HRID 1158198 reaction equation
[CH3:1][O:2][C:3]1[CH:19]=[C:18]([O:20][CH3:21])[CH:17]=[C:16]([O:22][CH3:23])[C:4]=1[CH2:5][S:6][C:7]1[CH:12]=[CH:11][CH:10]=[CH:9][C:8]=1B(O)O.I[C:25]1[CH:26]=[C:27]([OH:31])[CH:28]=[CH:29][CH:30]=1.C([O-])([O-])=O.[Na+].[Na+]>[Pd].C1(C)C=CC=CC=1>[CH3:1][O:2][C:3]1[CH:19]=[C:18]([O:20][CH3:21])[CH:17]=[C:16]([O:22][CH3:23])[C:4]=1[CH2:5][S:6][C:7]1[CH:12]=[CH:11][CH:10]=[CH:9][C:8]=1[C:25]1[CH:30]=[CH:29][CH:28]=[C:27]([OH:31])[CH:26]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 3

HCID 10340Sodium CarbonateHCID 122723-IodophenolHCID 686436172-(2,4,6-Trimethoxybenzylthio)phenylboronic acid

Product 1

HCID 668706052'-(2,4,6-Trimethoxybenzylthio)biphenyl-3-olYield 79%

Reagents, catalysts & solvents 2

HCID 23938PalladiumCatalyst
HCID 1140
Toluene
Solvent

Procedure

To a mixture of 1.05 g 2-(2,4,6-trimethoxybenzylthio)phenylboronic acid (3.14 mmol), 1.07 g 3-iodophenol (4.9 mmol) and 0.195 g Pd catalyst was added 40 ml toluene followed by 15 ml 2M Na2CO3. The mixture was refluxed under nitrogen overnight. The mixture was extracted with ethyl acetate. The organic was washed with water, brine, dried over magnesium sulfate, and concentrated. The residue was purified by silica flash chromatography (hexane:ethyl acetate 80:20) to afford 0.948 g product (2.48 mmol, 79% yield).

Workup

  1. temperatureThe mixture was refluxed under nitrogen overnight
  2. extractionThe mixture was extracted with ethyl acetate
  3. washThe organic was washed with water, brine
  4. dry with materialdried over magnesium sulfate
  5. concentrationconcentrated
  6. customThe residue was purified by silica flash chromatography (hexane:ethyl acetate 80:20)

Sources & evidence

ORD record
ord-34f6d060a05d4add8cd5024d6db21943
Source dataset
uspto-grants-2010_10
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07807713B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes