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2,5-Dichlorophenol → 2,5-Dichlorophenyl Dimethyloctylsilyl Ether

HRID 483867
Notes
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Reaction equation

HRID 483867 reaction equation
[Cl:1][C:2]1[CH:7]=[CH:6][C:5]([Cl:8])=[CH:4][C:3]=1[OH:9].N1C=CN=C1.Cl[Si:16]([CH3:26])([CH3:25])[CH2:17][CH2:18][CH2:19][CH2:20][CH2:21][CH2:22][CH2:23][CH3:24]>CN(C)C=O.[Cl-].[Na+]>[CH3:25][Si:16]([O:9][C:3]1[CH:4]=[C:5]([Cl:8])[CH:6]=[CH:7][C:2]=1[Cl:1])([CH3:26])[CH2:17][CH2:18][CH2:19][CH2:20][CH2:21][CH2:22][CH2:23][CH3:24]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 3

HCID 662,5-DichlorophenolHCID 795ImidazoleHCID 87482Chlorodimethyloctylsilane

Product 1

HCID 539888402,5-Dichlorophenyl Dimethyloctylsilyl Ether

Reagents, catalysts & solvents 2

HCID 5234Sodium ChlorideSolventHCID 6228Dimethylformamide
Solvent

Procedure

To a solution of 3.75 g (0.023 mole) 2,5-dichlorophenol in 30 ml N,N-dimethylformamide are added 5.58 g (0.082 mole) imidazole and 16.6 ml (0.070 mole) chlorodimethyloctyl silane under argon. After stirring at room temperature for two hours, the mixture is diluted with an aqueous saturated sodium chloride solution and extracted with ether. The combined organic extracts are dried and condensed. The product is purified by column chromatography.

Workup

  1. extractionextracted with ether
  2. customThe combined organic extracts are dried
  3. customcondensed
  4. customThe product is purified by column chromatography

Sources & evidence

ORD record
ord-3d90883c40d24a52b08099e78da52c02
Source dataset
uspto-grants-1993_07
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US05227457

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes