Hydrochloric Acid → 2,4-Dihydroxypyridine N-oxide
Reaktionsgleichung
Cl.[OH:2][C:3]1[CH:8]=[C:7]([OH:9])[CH:6]=[CH:5][N+:4]=1[O-:10]>>[OH:10][N:4]1[CH:5]=[CH:6][C:7]([OH:9])=[CH:8][C:3]1=[O:2]Komponenten
3
Versuchsvorschrift
2,4-Dimethoxypyrid-1-oxide is refluxed together with 20% w/v HCl for 13 hours. On cooling the solution 2,4-dihydroxypyridine-1-oxide is obtained as an orange-white solid (0.42 g, 30%), δ(d6DMSO+trace of D2O), 6.08 (s, 1H), 6.12 (q, 1H), 7.88 (d, 1H).
Quellen und Nachweise
- ORD-Eintrag
- ord-a4d8603868e044ac8c15aefe339c198f
- Quelldatensatz
- uspto-grants-1993_07
- Patentnummer
- USRE034313
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