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Potassium Fluoride → N-(2-bromo-4-(perfluoropropan-2-yl)-6-(trifluoromethyl)phenyl)-2-fluoro-3-nitrobenzamide

HRID 590907
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 590907
[Br:1][C:2]1[CH:7]=[C:6]([C:8]([F:17])([C:13]([F:16])([F:15])[F:14])[C:9]([F:12])([F:11])[F:10])[CH:5]=[C:4]([C:18]([F:21])([F:20])[F:19])[C:3]=1[NH:22][C:23](=[O:34])[C:24]1[CH:29]=[CH:28][CH:27]=[C:26]([N+:30]([O-:32])=[O:31])[C:25]=1Cl.[F-:35].[K+]>CN(C=O)C>[Br:1][C:2]1[CH:7]=[C:6]([C:8]([F:17])([C:13]([F:16])([F:15])[F:14])[C:9]([F:12])([F:11])[F:10])[CH:5]=[C:4]([C:18]([F:21])([F:20])[F:19])[C:3]=1[NH:22][C:23](=[O:34])[C:24]1[CH:29]=[CH:28][CH:27]=[C:26]([N+:30]([O-:32])=[O:31])[C:25]=1[F:35]
KomponentenReaktionsbedingungenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

4

Edukt 2

HCID 522689Potassium FluorideHCID 86656684HCID 86656684, Verbindung

Produkt 1

HCID 86656683N-(2-bromo-4-(perfluoropropan-2-yl)-6-(trifluoromethyl)phenyl)-2-fluoro-3-nitrobenzamideAusbeute 20 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6228DimethylformamideLösungsmittel

Reaktionsbedingungen

Temperatur
130 °C

Versuchsvorschrift

To a solution of N-(2-bromo-4-(perfluoropropan-2-yl)-6-(trifluoromethyl)phenyl)-2-chloro-3-nitrobenzamide 4.89 g (8.27 mmol) in 50 ml of anhydrous DMF was added 2.40 g (41.3 mmol) of potassium fluoride (spray-dried product) under a flow of nitrogen, followed by stirring at 130° C. for 10 hours. Liquid separation was carried out by adding ethyl acetate, hexane, and water to the reaction mixture, and then the organic layer was washed with water and saturated brine, and dried over anhydrous magnesium sulfate. The solvent was evaporated under reduced pressure and the obtained residue was purified by silica gel column chromatography (eluent solvent; hexane:ethyl acetate=10:1) to prepare 0.940 g (yield 20%) of a target compound.

Aufarbeitung

  1. customLiquid separation
  2. additionby adding ethyl acetate, hexane, and water to the reaction mixture
  3. washthe organic layer was washed with water and saturated brine
  4. dry with materialdried over anhydrous magnesium sulfate
  5. customThe solvent was evaporated under reduced pressure
  6. customthe obtained residue was purified by silica gel column chromatography (eluent solvent; hexane:ethyl acetate=10:1)

Quellen und Nachweise

ORD-Eintrag
ord-0efe4c082787460fb7c1a6bed52e78ba
Quelldatensatz
uspto-grants-2016_01
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US09237745B2

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