Sulfuric Acid → HCID 178526297, Verbindung
Reaktionsgleichung
[N+:1]1([O-:12])[C:6]2[CH:7]=[CH:8][CH:9]=[CH:10][C:5]=2[N:4]=[C:3](N)[N:2]=1.S(=O)(=O)(O)[OH:14].N([O-])=O.[Na+].CCOCC>O>[N+:1]1([O-:12])[C:6]2[CH:7]=[CH:8][CH:9]=[CH:10][C:5]=2[N:4]=[C:3]([OH:14])[N:2]=1Komponenten
6
Edukt 4
Produkt 1
Reagenzien, Katalysatoren, Lösungsmittel 1
Versuchsvorschrift
To a solution of 7.5 g (46 mmol) 1,2,4-benzotriazine-3-amine 1-oxide (Chem. Ber. 46, 3522 (1913) in 75 ml water and 27 ml conc. sulphuric acid one adds dropwise at room temp. a solution of 13.3 g sodium nitrite in 25 ml water. One leaves to stand overnight, filters, takes up in soda solution, washes with ether, acidifies the aqueous phase, filters and recrystallises from glacial acetic acid. One isolates 4.7 g of title compound (63% of theory) of the m.p. 238-239° C.
Aufarbeitung
- customOne leaves
- customrecrystallises from glacial acetic acid
Quellen und Nachweise
- ORD-Eintrag
- ord-e00ca9f02f4b4c2d9b2a7c3f4db76525
- Quelldatensatz
- uspto-grants-1999_01
- Patentnummer
- US05856325
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