HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
Acetic Anhydride → 5-Ethoxymethylene-3-methyl-4-oxo-thiazolidine-2-thione
Beteiligte Stoffe
| Rolle | Name | HCID | Einwaage |
|---|---|---|---|
| Edukt | Acetic Anhydride | HCID 7918 | — |
| Edukt | 4-Thiazolidinone, 3-methyl-2-thioxo- | HCID 72900 | — |
| Lösungsmittel | Ethylorthoformate | HCID 53630039 | — |
| Produkt | 5-Ethoxymethylene-3-methyl-4-oxo-thiazolidine-2-thione | HCID 247101 | — |
Reaktionsschritte
3-Methyl-4-oxo-thiazolidine-2-thione (403 g) and ethyl orthoformate (1370 ml) were added to acetic anhydride (775 ml), and the mixture was refluxed for 6 hours. The mixture was allowed to stand, and the resulting crystals were collected by filtration and washed with diisopropyl ether to give 342 g of 5-ethoxymethylene-3-methyl-4-oxo-thiazolidine-2-thione.
Herkunft & Nachweise
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patentnummer | US05760032 |
| Quelldatensatz | uspto-grants-1998_06 |
| ORD ID | ord-8a0e850c286743f58e512debd432ad5f |
| Quellennotiz | uspto-grants-1998_06 |