Acetic acid--water (1/1) → 5-Fluoro-4-iodopyridin-2-ol
Reaktionsgleichung
F[C:2]1[CH:7]=[C:6]([I:8])[C:5]([F:9])=[CH:4][N:3]=1.C(O)(=[O:12])C.O>>[F:9][C:5]1[C:6]([I:8])=[CH:7][C:2](=[O:12])[NH:3][CH:4]=1Komponenten
3
Versuchsvorschrift
2,5-Difluoro-4-iodopyridine (500 mg, 2.08 mmol) was suspended in acetic acid:water (2:1, 30 mL). The mixture was heated to reflux and stirred at this temperature overnight. The reaction was concentrated to dryness to afford the title compound as a yellow solid (491 mg, 99.0%). 1H NMR (400 MHz, DMSO-d6) δ ppm 7.02 (d, J=5.07 Hz, 1H) 7.69 (d, J=2.34 Hz, 1H).
Aufarbeitung
- temperatureThe mixture was heated
- temperatureto reflux
- concentrationThe reaction was concentrated to dryness
Quellen und Nachweise
- ORD-Eintrag
- ord-bcbef39fe71941408d288493629812c3
- Quelldatensatz
- uspto-grants-2015_11
- Patentnummer
- US09180123B2
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