2,5-Dimethyloxolan-3-one → HCID 130813445, Verbindung
Reaktionsgleichung
[CH3:1][CH:2]1[C:6](=O)[CH2:5][CH:4]([CH3:8])[O:3]1.CC([O-])=O.[Na+].[NH2:14][OH:15].Cl>CCO>[CH3:1][CH:2]1[C:6](=[N:14][OH:15])[CH2:5][CH:4]([CH3:8])[O:3]1Komponenten
5
Edukt 3
Produkt 1
Reagenzien, Katalysatoren, Lösungsmittel 1
Versuchsvorschrift
To a solution of 2,5-dimethyldihydrofuran-3(2H)-one (20 g, 0.175 mol) and NaOAc (43 g, 0.526 mol) in EtOH (300 mL), NH2OH.HCl (15.8 g, 0.228 mol) was added portion in the mixture at 0° C. After addition, the reaction was stirred at rt for 3 h. Filtered, the filtrate was concentrated and the residue was dissolved in DCM, filtered, the filtrate was concentrated to give 2,5-dimethyldihydrofuran-3(2H)-one oxime. 1H NMR (ppm, 300 MHz, CDCl3) δ 3.7-4.9 (m, 2H), 2.0-3.0 (m, 2H), 1.2-1.4 (m, 6H).
Aufarbeitung
- additionAfter addition
- filtrationFiltered
- concentrationthe filtrate was concentrated
- dissolutionthe residue was dissolved in DCM
- filtrationfiltered
- concentrationthe filtrate was concentrated
Quellen und Nachweise
- ORD-Eintrag
- ord-2764c3fe60a54c3c84f9e612ff1b3a79
- Quelldatensatz
- uspto-grants-2016_01
- Patentnummer
- US09233979B2
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