Chloroacetaldehyde → HCID 178503524, Verbindung
Reaktionsgleichung
[CH3:1][S:2][C:3]1[N:8]=[C:7](O)[CH:6]=[C:5]([NH2:10])[N:4]=1.[C:11]([O-:14])(=O)[CH3:12].[Na+].ClCC=O>O>[CH3:1][S:2][C:3]1[NH:8][C:7]2[C:12]([N:10]=[CH:5][CH:6]=2)=[C:11]([OH:14])[N:4]=1Komponenten
5
Edukt 3
Produkt 1
Reagenzien, Katalysatoren, Lösungsmittel 1
Reaktionsbedingungen
- Temperatur
- 80 °C
Versuchsvorschrift
2-(Methylthio)4-hydroxy-6-aminopyrimidine (3.1) (40 g) and sodium acetate (40 g, 2 eq.) were mixed with water (600 ml) and the slurry heated to 80° C. with vigorous stirring. To the mixture was then added chloroacetaldehyde (50 wt. % in water, 40 g, 1 eq.), slowly over 10 mins. The mixture turned yellow in colour and the solid mostly dissolved, before a new solid precipitated. After a further 30 mins, the mixture was allowed to cool overnight, then the solid was collected by filtration, washed well with water and then with acetone. Dried under vacuum at 50° C. to give (3.2), 8.7 g. δH (300MHz, DMSO-db); 2.49 (3H, s, SCH3), 6.33 (1H, m, H7), 6.89 (1H, m, H8), 11.74 and 12.03 (2×broad s, D2O exch.) ppm.
Aufarbeitung
- dissolutionthe solid mostly dissolved, before a new solid
- customprecipitated
- temperatureto cool overnight
- filtrationthe solid was collected by filtration
- washwashed well with water
- customDried under vacuum at 50° C.
Quellen und Nachweise
- ORD-Eintrag
- ord-d07bbfd37bc3442ab61eb6841a4d3fa7
- Quelldatensatz
- uspto-grants-2003_07
- Patentnummer
- US06600028B1
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