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Water → N-[2-(5-bromo-3-chloropyridin-2-yl)-2-(isopropoxyimino)ethyl]-2-(trifluoromethyl)benzamide

HRID 56055
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 56055
[Br:1][C:2]1[CH:3]=[C:4]([Cl:25])[C:5]([C:8](=[N:23][OH:24])[CH2:9][NH:10][C:11](=[O:22])[C:12]2[CH:17]=[CH:16][CH:15]=[CH:14][C:13]=2[C:18]([F:21])([F:20])[F:19])=[N:6][CH:7]=1.C(=O)([O-])[O-].[K+].[K+].I[CH:33]([CH3:35])[CH3:34].O>CN(C)C=O>[Br:1][C:2]1[CH:3]=[C:4]([Cl:25])[C:5]([C:8](=[N:23][O:24][CH:33]([CH3:35])[CH3:34])[CH2:9][NH:10][C:11](=[O:22])[C:12]2[CH:17]=[CH:16][CH:15]=[CH:14][C:13]=2[C:18]([F:19])([F:21])[F:20])=[N:6][CH:7]=1
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Komponenten

6

Edukt 4

HCID 962WaterHCID 6362Isopropyl iodideHCID 11430Potassium CarbonateHCID 136987062N-[2-(5-bromo-3-chloropyridin-2-yl)-2-(hydroxyimino)ethyl]-2-(trifluoromethyl)benzamide

Produkt 1

HCID 131736909N-[2-(5-bromo-3-chloropyridin-2-yl)-2-(isopropoxyimino)ethyl]-2-(trifluoromethyl)benzamideAusbeute 63,8 %

Reagenzien, Katalysatoren, Lösungsmittel

1
HCID 6228DimethylformamideLösungsmittel

Versuchsvorschrift

To a suspension of 1.80 g of the N-[2-(5-bromo-3-chloropyridin-2-yl)-2-(hydroxyimino)ethyl]-2-(trifluoromethyl)benzamide prepared in Step 3 in Synthetic Example 20 and 0.86 g of potassium carbonate in 10 ml of N,N-dimethylformamide, 1.30 g of 2-iodopropane was added, and the mixture was stirred at room temperature for 13 hours. After completion of the reaction, the reaction mixture was mixed with 100 ml of water and extracted with ethyl acetate (50 ml×2), the resulting organic layers were combined, washed with water (100 ml×1) and dried over saturated aqueous sodium chloride and then anhydrous sodium sulfate, and the solvent was evaporated under reduced pressure. The resulting residue was purified by silica gel column chromatography using ethyl acetate-hexane (with a gradient of from 1:4 to 2:2) as the eluent to obtain 1.26 g of the desired product as a pale yellow resinous substance.

Aufarbeitung

  1. additionwas added
  2. customAfter completion of the reaction
  3. extractionextracted with ethyl acetate (50 ml×2)
  4. washwashed with water (100 ml×1)
  5. dry with materialdried over saturated aqueous sodium chloride
  6. customanhydrous sodium sulfate, and the solvent was evaporated under reduced pressure
  7. customThe resulting residue was purified by silica gel column chromatography

Quellen und Nachweise

ORD-Eintrag
ord-937fc6512bff4b51a616a137ea974659
Quelldatensatz
uspto-grants-2016_09
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US09434684B2

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