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Potassium Carbonate → 4-Bromo-2-ethyl-6-methyl-1-[3-(4-trifluoromethoxyphenoxy)propyloxy]benzene

HRID 363096
Notes
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Reaction equation

HRID 363096 reaction equation
[Br:1][C:2]1[CH:7]=[C:6]([CH3:8])[C:5]([OH:9])=[C:4]([CH2:10][CH3:11])[CH:3]=1.Br[CH2:13][CH2:14][CH2:15][O:16][C:17]1[CH:22]=[CH:21][C:20]([O:23][C:24]([F:27])([F:26])[F:25])=[CH:19][CH:18]=1.C(=O)([O-])[O-].[K+].[K+]>CN(C)C=O>[Br:1][C:2]1[CH:7]=[C:6]([CH3:8])[C:5]([O:9][CH2:13][CH2:14][CH2:15][O:16][C:17]2[CH:22]=[CH:21][C:20]([O:23][C:24]([F:25])([F:26])[F:27])=[CH:19][CH:18]=2)=[C:4]([CH2:10][CH3:11])[CH:3]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 11430Potassium CarbonateHCID 136722751-(3-Bromopropoxy)-4-(trifluoromethoxy)benzeneHCID 220068384-Bromo-2-ethyl-6-methylphenol

Product 1

HCID 544405094-Bromo-2-ethyl-6-methyl-1-[3-(4-trifluoromethoxyphenoxy)propyloxy]benzeneYield 90%

Reagents, catalysts & solvents 1

HCID 6228Dimethylformamide
Solvent

Procedure

To a mixture of 10 g of 4-bromo-2-ethyl-6-methylphenol, 14.0 g of 1-(3-bromopropyloxy)-4-trifluoromethoxybenzene and 100 ml of N,N-dimethylformamide was added 7 g of potassium carbonate, while stirring at room temperature. After stirring at room temperature for 12 hours, the reaction mixture was poured into ice water, and extracted twice with 200 ml of diethyl ether. The combined ether layer was washed with water, dried with anhydrous magnesium sulfate, and concentrated to obtain a crude product. The crude product was subjected to silica gel chromatography, which afforded 18.1 g of 4-bromo-2-ethyl-6-methyl-1-[3-(4-trifluoromethoxyphenoxy)propyloxy]benzene 90% yield).

Workup

  1. stirringAfter stirring at room temperature for 12 hours
  2. extractionextracted twice with 200 ml of diethyl ether
  3. washThe combined ether layer was washed with water
  4. dry with materialdried with anhydrous magnesium sulfate
  5. concentrationconcentrated
  6. customto obtain a crude product

Sources & evidence

ORD record
ord-65815d019b294be6bcde7505cb840c47
Source dataset
uspto-grants-1999_02
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US05872137

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes