HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
Phosphoric Acid → Maltol
Beteiligte Stoffe
| Rolle | Name | HCID | Einwaage |
|---|---|---|---|
| Edukt | Phosphoric Acid | HCID 1004 | — |
| Edukt | 4-Bromo-6-hydroxy-2-methyl-2H-pyran-3(6H)-one | HCID 20468598 | — |
| Produkt | Maltol | HCID 8369 | 34% |
Reaktionsschritte
A solution of 4-bromo-6-hydroxy-2-methyl-2H-pyran-3(6H)-one (0.0025 mole) in 20 ml of 35% phosphoric acid was refluxed for about 5 hours. Maltol (34%) was isolated by the method of Example 1.
Herkunft & Nachweise
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patentnummer | US04147705 |
| Quelldatensatz | uspto-grants-1979_04 |
| ORD ID | ord-789a08dd972b4ebabbf1cd68f5b9406e |
| Quellennotiz | uspto-grants-1979_04 |