HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
2-Butoxyethanol → 2-Butoxyethyl Levulinate
Beteiligte Stoffe
| Rolle | Name | HCID | Einwaage |
|---|---|---|---|
| Edukt | 2-Butoxyethanol | HCID 8133 | — |
| Edukt | Levulinic Acid | HCID 11579 | — |
| Edukt | Dibutyltin dioctanoate | HCID 16683953 | — |
| Lösungsmittel | O-Xylene | HCID 7237 | — |
| Produkt | 2-Butoxyethyl Levulinate | HCID 21325643 | — |
Reaktionsschritte
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.
Herkunft & Nachweise
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patentnummer | US04147686 |
| Quelldatensatz | uspto-grants-1979_04 |
| ORD ID | ord-abc3c1bef80649e3acc4e6b3f41db6cd |
| Quellennotiz | uspto-grants-1979_04 |