HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
Sulfuric Acid → 4-Methylesculetin
Beteiligte Stoffe
| Rolle | Name | HCID | Einwaage |
|---|---|---|---|
| Edukt | Sulfuric Acid | HCID 1118 | — |
| Edukt | Ethyl Acetate | HCID 8857 | — |
| Edukt | 1,2,4-Triacetoxybenzene | HCID 69169 | — |
| Produkt | 4-Methylesculetin | HCID 5319502 | 95% |
Reaktionsschritte
45 ml 75% sulphuric acid is added dropwise to a mixture of 5.8 ml ethyl acetate and 11.4 g 1,2,4-triacetoxy- benzene, heated for 30 min to 80° C., poured onto ice, filtered, the precipitate is washed neutral and dried in a vacuum. 8.2 g of the title compound (95 % of theory) is obtained with a melting point of 270° to 272° C.
Herkunft & Nachweise
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patentnummer | US05716983 |
| Quelldatensatz | uspto-grants-1998_02 |
| ORD ID | ord-b7718f58bde9494b95ff5117de0e5b01 |
| Quellennotiz | uspto-grants-1998_02 |