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Water → 2-t-butyl-4-chloro-5-[{6-(2,2,3,3-tetrafluoropropyloxy)-3-pyridyl}-methylthio]-3(2H)-pyridazinone

HRID 1904255
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1904255
[C:1]([N:5]1[C:10](=[O:11])[C:9]([Cl:12])=[C:8]([SH:13])[CH:7]=[N:6]1)([CH3:4])([CH3:3])[CH3:2].Cl[CH2:15][C:16]1[CH:17]=[CH:18][C:19]([O:22][CH2:23][C:24]([F:29])([F:28])[CH:25]([F:27])[F:26])=[N:20][CH:21]=1.C(=O)([O-])[O-].[K+].[K+].O>C(#N)C>[C:1]([N:5]1[C:10](=[O:11])[C:9]([Cl:12])=[C:8]([S:13][CH2:15][C:16]2[CH:21]=[N:20][C:19]([O:22][CH2:23][C:24]([F:29])([F:28])[CH:25]([F:27])[F:26])=[CH:18][CH:17]=2)[CH:7]=[N:6]1)([CH3:4])([CH3:2])[CH3:3]
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Komponenten

6

Edukt 4

HCID 962WaterHCID 11430Potassium CarbonateHCID 134692424-Chloro-2-(1,1-dimethylethyl)-5-mercapto-3(2H)-pyridazinoneHCID 146718285-Chloromethyl-2-(2,2,3,3-tetrafluoropropyloxy)-pyridine

Produkt 1

HCID 146718292-t-butyl-4-chloro-5-[{6-(2,2,3,3-tetrafluoropropyloxy)-3-pyridyl}-methylthio]-3(2H)-pyridazinoneAusbeute 90,4 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6342AcetonitrileLösungsmittel

Versuchsvorschrift

In 40 ml of acetonitrile were dissolved 2.2 g of 2-t-butyl-4-chloro-5-mercapto-3(2H)-pyridazinone and 2.7 g of 5-chloromethyl-2-(2,2,3,3-tetrafluoropropyloxy)-pyridine, and thereto was added 1.5 g of potassium carbonate. The reaction mixture was stirred overnight at room temperature, poured into water and extracted with benzene. The organic layer was washed with a 5% aqueous solution of sodium hydroxide and then with water, and dried over anhydrous sodium sulfate. Solvent was distilled off under reduced pressure and the resulting crystals were washed with n-hexane to obtain 4.0 g of 2-t-butyl-4-chloro-5-[{6-(2,2,3,3-tetrafluoropropyloxy)-3-pyridyl}-methylthio]-3(2H)-pyridazinone, m.p. 113.0°~114.0° C.

Aufarbeitung

  1. extractionextracted with benzene
  2. washThe organic layer was washed with a 5% aqueous solution of sodium hydroxide
  3. dry with materialwith water, and dried over anhydrous sodium sulfate
  4. distillationSolvent was distilled off under reduced pressure
  5. washthe resulting crystals were washed with n-hexane

Quellen und Nachweise

ORD-Eintrag
ord-ec069042ebfe4ee58791184e9f2db47b
Quelldatensatz
uspto-grants-1989_06
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US04837217

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