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Water → [5-(3,5-dichlorophenylthio)-1-isopropyl-3-methyl-1H-pyrazol-4-yl]-phenyl-methanone

HRID 47615
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 47615
[Cl:1][C:2]1[CH:3]=[C:4]([S:9][C:10]2[NH:14][N:13]=[C:12]([CH3:15])[C:11]=2[C:16]([C:18]2[CH:23]=[CH:22][CH:21]=[CH:20][CH:19]=2)=[O:17])[CH:5]=[C:6]([Cl:8])[CH:7]=1.[H-].[Na+].I[CH:27]([CH3:29])[CH3:28].O>CN(C)C=O>[Cl:8][C:6]1[CH:5]=[C:4]([S:9][C:10]2[N:14]([CH:27]([CH3:29])[CH3:28])[N:13]=[C:12]([CH3:15])[C:11]=2[C:16]([C:18]2[CH:23]=[CH:22][CH:21]=[CH:20][CH:19]=2)=[O:17])[CH:3]=[C:2]([Cl:1])[CH:7]=1
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Komponenten

6

Edukt 4

HCID 962WaterHCID 6362Isopropyl iodideHCID 24758Sodium hydrideHCID 178434688HCID 178434688, Verbindung

Produkt 1

HCID 22747464[5-(3,5-dichlorophenylthio)-1-isopropyl-3-methyl-1H-pyrazol-4-yl]-phenyl-methanone

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6228
Dimethylformamide
Lösungsmittel

Versuchsvorschrift

A solution containing 75 mg of [5-(3,5-dichlorophenylthio)-3-methyl-1H-pyrazol-4-yl]-phenyl-methanone in 2 ml of dry N,N-dimethylformamide (DMF) at rt under nitrogen was treated with 12 mg of sodium hydride. The mixture was then stirred for 2 min. To the mixture was added 25 μl of 2-iodopropane. The mixture was then stirred for 20 min. To the mixture was added 2 ml of water and then the mixture was extracted with ethyl acetate three times. Combined extracts were washed with brine then dried over anhydrous magnesium sulphate, filtered and evaporated. The residue 7; was purified by flash chromatography on silica gel using diethyl ether hexane (1:7) for the elution to give 32 mg of [5-(3,5-dichlorophenylthio)-1-isopropyl-3-methyl-1H-pyrazol-4-yl]-phenyl-methanone as a colourless oil. Mass spectrum (ES) m/z 405[M+H]+.

Aufarbeitung

  1. stirringThe mixture was then stirred for 20 min
  2. extractionthe mixture was extracted with ethyl acetate three times
  3. washCombined extracts were washed with brine
  4. dry with materialthen dried over anhydrous magnesium sulphate
  5. filtrationfiltered
  6. customevaporated
  7. customwas purified by flash chromatography on silica gel
  8. washfor the elution

Quellen und Nachweise

ORD-Eintrag
ord-d05d618725d148d8be3e3b86bfead215
Quelldatensatz
uspto-grants-2004_03
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US06699887B2

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