HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
Ethanol → Acetic Anhydride
Beteiligte Stoffe
| Rolle | Name | HCID | Einwaage |
|---|---|---|---|
| Edukt | Ethanol | HCID 702 | — |
| Edukt | Formaldehyde | HCID 712 | — |
| Edukt | 4-Isopropyl-6-methoxysaccharin | HCID 10147362 | — |
| Produkt | Acetic Anhydride | HCID 7918 | — |
| Produkt | 2-Hydroxymethyl-4-isopropyl-6-methoxysaccharin | HCID 70050790 | — |
Reaktionsschritte
Condensation of 4-isopropyl-6-methoxysaccharin with aqueous formaldehyde in ethanol gives 2-hydroxymethyl-4-isopropyl-6-methoxysaccharin, acetylation of which with acetic anhydride and a catalytic amount of sulfuric acid gives 2-acetoxymethyl-4-isopropyl-6-methoxysaccharin.
Herkunft & Nachweise
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patentnummer | US05773456 |
| Quelldatensatz | uspto-grants-1998_06 |
| ORD ID | ord-b9fdb1f2132f4d4a92ee1b63417e3b8d |
| Quellennotiz | uspto-grants-1998_06 |