HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
Catechol → Alizarin
Beteiligte Stoffe
| Rolle | Name | HCID | Einwaage |
|---|---|---|---|
| Edukt | Catechol | HCID 289 | — |
| Edukt | Phthaloyl chloride | HCID 6955 | — |
| Lösungsmittel | Ethanol | HCID 702 | — |
| Produkt | Alizarin | HCID 6293 | 55% |
Reaktionsschritte
The method was similar to Example 1, using 11.0 g (0.1 mol) of 1,2-dihydroxybenzene and 20.2 g (0.1 mol) of phthalic acid dichloride. The product was 13.2 g (55% yield) of 1,2-dihydroxy-9,10-anthraquinone (8), m.p.=288°-289° C. (literature 288°-289° C. EtOH).
Herkunft & Nachweise
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patentnummer | US04739062 |
| Quelldatensatz | uspto-grants-1988_04 |
| ORD ID | ord-83231d4984a64e29b8f315d0a2fc8742 |
| Quellennotiz | uspto-grants-1988_04 |