Isopropanol → HCID 19838061, Verbindung
Reaktionsgleichung
[OH:1][CH:2]1[NH:6][C:5](=[O:7])[CH:4]=[CH:3]1.[CH:8](O)([CH3:10])[CH3:9]>>[CH:8]([O:1][CH:2]1[NH:6][C:5](=[O:7])[CH:4]=[CH:3]1)([CH3:10])[CH3:9]Komponenten
3
Versuchsvorschrift
A mixture of 3 g of 1,5-dihydro-5-hydroxy-2H-pyrrol-2-one, 1.5 g of Amberlite IR 120 H and 60 cm3 of isopropanol is taken to 45°-50° C. for 3 hours. After cooling, filtering and evaporating to dryness, 1.8 g of the expected product is obtained, m.p. 79°-81° C., crystallized from isopropanol.
Aufarbeitung
- temperatureAfter cooling
- filtrationfiltering
- customevaporating to dryness
Quellen und Nachweise
- ORD-Eintrag
- ord-5adc35e61fc7448faeda8a9776ce27d9
- Quelldatensatz
- uspto-grants-1989_12
- Patentnummer
- US04885307
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