HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
Resorcinol → Ethyl 7-hydroxycoumarin-4-carboxylate
Beteiligte Stoffe
| Rolle | Name | HCID | Einwaage |
|---|---|---|---|
| Edukt | Resorcinol | HCID 5054 | — |
| Edukt | Diethyl 2-oxosuccinate,sodium salt | HCID 57351814 | — |
| Lösungsmittel | Phosphoric Acid | HCID 1004 | — |
| Produkt | Ethyl 7-hydroxycoumarin-4-carboxylate | HCID 5702825 | 80% |
Reaktionsschritte
0.10 mole resorcinol and 0.12 mole sodium diethyl oxalacetate is heated to 80° C. for 1 hour in 60 ml concentrated phosphoric acid. 4-Carbethoxy-7-hydroxy-coumarin is thus obtained at an 80% yield in the form of a viscous oil.
Herkunft & Nachweise
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patentnummer | US04151291 |
| Quelldatensatz | uspto-grants-1979_04 |
| ORD ID | ord-74b6859fd148429f92bec5fdefd4dd3d |
| Quellennotiz | uspto-grants-1979_04 |