Sulfuric Acid → 5-Acetyl-6-methyl-2-oxo-1,2-dihydropyridine-3-carboxamide

HRID 231878Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 231878
S(=O)(=O)(O)[OH:2].[C:6]([C:9]1[CH:10]=[C:11]([C:17]#[N:18])[C:12](=[O:16])[NH:13][C:14]=1[CH3:15])(=[O:8])[CH3:7]>>[C:6]([C:9]1[CH:10]=[C:11]([C:17]([NH2:18])=[O:2])[C:12](=[O:16])[NH:13][C:14]=1[CH3:15])(=[O:8])[CH3:7]

Komponenten

3

Edukt 2

HCID 1118Sulfuric AcidHCID 27654765-Acetyl-2-hydroxy-6-methylnicotinonitrile

Produkt 1

HCID 27644175-Acetyl-6-methyl-2-oxo-1,2-dihydropyridine-3-carboxamide

Reaktionsbedingungen

Temperatur
60 °C

Versuchsvorschrift

To 100 grams of concentrated sulfuric acid is added 10 g (0.056 mole) of 5-acetyl-1,2-dihydro-6-methyl-2-oxo-3-pyridinecarbonitrile. The mixture is stirred at 60° C. for 5 hours, cooled and then poured on 1 kg ice. The resulting solid is collected, washed with water and recrystallized from ethanol to give the title compound.

Aufarbeitung

  1. temperaturecooled
  2. customThe resulting solid is collected
  3. washwashed with water
  4. customrecrystallized from ethanol

Quellen und Nachweise

ORD-Eintrag
ord-e26e48ee9dfe42e4a96301d6e8d33048
Quelldatensatz
uspto-grants-1989_07
Patentnummer
US04849522

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