Diethyl Malonate → 2-(Methoxymethyl)pyrimidine-4,6-diol
Reaktionsgleichung
C(O[C:4](=[O:11])[CH2:5][C:6]([O:8]CC)=O)C.Cl.[CH3:13][O:14][CH2:15][C:16]([NH2:18])=[NH:17].C[O-].[Na+].CO>CO>[CH3:13][O:14][CH2:15][C:16]1[N:18]=[C:4]([OH:11])[CH:5]=[C:6]([OH:8])[N:17]=1Komponenten
5
Edukt 3
Produkt 1
Reagenzien, Katalysatoren, Lösungsmittel 1
Versuchsvorschrift
Reflux a mixture of malonic acid diethyl ester (7.96 g, 50 mmol), 2-methoxy-acetamidine hydrochloride (6.2 g, 50 mmol), and NaOMe MeOH solution (4.37 M, 22.7 mL, 100 mmol) in MeOH (30 mL) for 24 hours. Concentrate, dilute with H2O (50 mL), wash with EtOAc, and concentrate the aqueous layer. Extract with MeOH and concentrate to yield 2-methoxymethyl-pyrimidine-4,6-diol.
Aufarbeitung
- temperatureReflux
- concentrationConcentrate
- additiondilute with H2O (50 mL)
- washwash with EtOAc
- concentrationconcentrate the aqueous layer
- extractionExtract with MeOH
- concentrationconcentrate
Quellen und Nachweise
- ORD-Eintrag
- ord-ca4bd3647b6049c78415b37a20f5e3ad
- Quelldatensatz
- uspto-grants-2009_07
- Patentnummer
- US07566712B2
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