Potassium Hydroxide → HCID 22903569, Verbindung

HRID 1488969

Reaktionsgleichung

Reaktionsgleichung von HRID 1488969
F[C:2]1[CH:11]=[C:10]2[C:5]([NH:6][C:7](=[O:13])[C:8](=[O:12])[NH:9]2)=[CH:4][C:3]=1[N+:14]([O-:16])=[O:15].[OH:17][C:18]1[CH:23]=[CH:22][N:21]=[CH:20][C:19]=1[N+:24]([O-:26])=[O:25].[OH-].[K+]>CS(C)=O>[N+:14]([C:3]1[CH:4]=[C:5]2[C:10](=[CH:11][C:2]=1[N:21]1[CH:22]=[CH:23][C:18](=[O:17])[C:19]([N+:24]([O-:26])=[O:25])=[CH:20]1)[NH:9][C:8](=[O:12])[C:7](=[O:13])[NH:6]2)([O-:16])=[O:15]

Komponenten

5

Edukt 3

HCID 14797Potassium HydroxideHCID 99912306-Fluoro-7-nitro-1,4-dihydroquinoxaline-2,3-dioneHCID 178526806HCID 178526806, Verbindung

Produkt 1

HCID 22903569HCID 22903569, VerbindungAusbeute 64,7 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 679Dimethyl SulfoxideLösungsmittel

Versuchsvorschrift

First, 677 mg of 7-fluoro-6-nitro-1,4-dihydroquinoxaline-2,3-dione, 840 mg of 4-hydroxy-3-nitropyridine, 403 mg of powdered potassium hydroxide were added to 6 ml of dry dimethylsulfoxide. The mixture was allowed to react at 130° C. for 2 hours in a nitrogen atmosphere. The subsequent processes were conducted in the same way as in Example 2. The resultant precipitate was recrystallized with dimethylformaldehyde and water, giving 672 mg of red crystals of 6-nitro-7-(3-nitro-4-oxo-4H-pyridin-1-yl)-1,4-dihydroquinoxaline-2,3-dione

Aufarbeitung

  1. customto react at 130° C. for 2 hours in a nitrogen atmosphere
  2. customThe resultant precipitate was recrystallized with dimethylformaldehyde and water

Quellen und Nachweise

ORD-Eintrag
ord-ff3d3872a8f5421a94d939f717c6b0b0
Quelldatensatz
uspto-grants-1997_10
Patentnummer
US05677305

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