Oxalic acid dihydrate → 5,6-Dimethylquinoxaline-2,3-diol
Reaktionsgleichung
[CH3:1][C:2]1[C:7]([CH3:8])=[CH:6][CH:5]=[C:4]([NH2:9])[C:3]=1[NH2:10].O.O.[C:13](O)(=[O:17])[C:14](O)=[O:15]>Cl>[CH3:1][C:2]1[C:7]([CH3:8])=[CH:6][CH:5]=[C:4]2[C:3]=1[NH:10][C:13](=[O:17])[C:14](=[O:15])[NH:9]2Komponenten
4
Edukt 2
Produkt 1
Reagenzien, Katalysatoren, Lösungsmittel 1
Reaktionsbedingungen
- Temperatur
- 100 °C
Versuchsvorschrift
To a solution of 3,4-dimethyl-benzene-1,2-diamine (67.5 g, 496 mmol) in 5N HCl (250 mL) was added oxalic acid dihydrate (69.3 g, 550 mmol). The reaction mixture was heated to 100° C. under stirring. The reaction mixture was stirred for 8 hours and cooled to room temperature. The dark precipitate was filtered, washed, and dried.
Aufarbeitung
- stirringThe reaction mixture was stirred for 8 hours
- temperaturecooled to room temperature
- filtrationThe dark precipitate was filtered
- washwashed
- customdried
Quellen und Nachweise
- ORD-Eintrag
- ord-17f758d794f04d80b8d1500a87be0bd7
- Quelldatensatz
- uspto-grants-2001_01
- Patentnummer
- US06172065B2
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