2-Butoxyethanol → 2-Butoxyethyl Levulinate
Reaktionsgleichung
[CH2:1]([O:5][CH2:6][CH2:7]O)[CH2:2][CH2:3][CH3:4].[C:9]([OH:16])(=[O:15])[CH2:10][CH2:11][C:12]([CH3:14])=[O:13].CCCCCCCC(O[Sn](OC(CCCCCCC)=O)(CCCC)CCCC)=O>C1(C)C(C)=CC=CC=1>[C:9]([O:16][CH2:7][CH2:6][O:5][CH2:1][CH2:2][CH2:3][CH3:4])(=[O:15])[CH2:10][CH2:11][C:12]([CH3:14])=[O:13]Komponenten
5
Edukt 3
Produkt 1
Reagenzien, Katalysatoren, Lösungsmittel 1
Versuchsvorschrift
2 -Butoxyethanol (Butyl Cellosolve) 354g (3 mol), 232g (2 mol) levulinic acid and 1.5g dibutyl tin dioctoate were heated with a xylene azeotrope for 24 hours 151°-177° to AN 2.3 while collecting 42g water. Product was washed with sat. NaHCO3 and water, dried with anhy. MgSO4 and distilled. Ester product was collected in fr 2 and 3 120°-131° 1 mm. Yield was 349g, 81%, 96% ester product by gc.