HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
Ethylbenzene → 4'-Ethylbenzoin
Beteiligte Stoffe
| Rolle | Name | HCID | Einwaage |
|---|---|---|---|
| Edukt | Ethylbenzene | HCID 7500 | — |
| Edukt | Glyoxal, phenyl-, hydrate | HCID 12215922 | — |
| Katalysator | Titanium Tetrachloride | HCID 24193 | — |
| Lösungsmittel | 1,1-Dichloroethane | HCID 6365 | — |
| Produkt | 4'-Ethylbenzoin | HCID 15300689 | 74% |
Reaktionsschritte
Phenylglyoxal monohydrate (304 mg, 2 mM) and ethylbenzene (0.49 ml, 4 mM) were dissolved in dichloroethane (4 ml), titanium tetrachloride (0.33 ml, 3 mM) was added, and reacted at room temperature for 2 hours. The reaction mixture was extracted with ethylacetate, the extract was washed with saturated sodium hydrogen carbonate solution and brine, dried with sodium sulfate anhydrous, and then concentrated to obtain a yellow-colored oil. The oil was crystallized from a petroleum ether/diethylether to obtain 357.1 mg (74.0% yield) of 4'-ethylbenzoin.
Herkunft & Nachweise
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patentnummer | US05484689 |
| Quelldatensatz | uspto-grants-1996_01 |
| ORD ID | ord-374784cfa61e419b83146e90f4f0eb8b |
| Quellennotiz | uspto-grants-1996_01 |