HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
D-Psicose → Ethyl 7-hydroxychromane-2-carboxylate
Beteiligte Stoffe
| Rolle | Name | HCID | Einwaage |
|---|---|---|---|
| Edukt | D-Psicose | HCID 441036 | — |
| Edukt | ethyl 7-hydroxy-4-oxo-4H-chromen-2-carboxylate | HCID 5376802 | — |
| Lösungsmittel | Acetic Acid | HCID 176 | — |
| Lösungsmittel | Methanol | HCID 887 | — |
| Produkt | Ethyl 7-hydroxychromane-2-carboxylate | HCID 11085381 | — |
Reaktionsschritte
A mixture of ethyl 7-hydroxy-4-oxo-4H-chromene-2-carboxylate (10 g, 41 mmol) in MeOH (20 ml) and AcOH (20 ml) was hydrogenated at 50 Psi for 4 days. Filtration and evaporation gave the title compound. Yield: 9.2 g. MS m/z (rel. intensity, 70 eV) 222 (M+, 44), 149 (bp), 148 (22), 147 (46), 121 (25).
Herkunft & Nachweise
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patentnummer | US08524766B2 |
| Quelldatensatz | uspto-grants-2013_09 |
| ORD ID | ord-16cef5a5643c4731bb66f34f4859aff1 |
| Quellennotiz | uspto-grants-2013_09 |