HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
Hydrochloric Acid → Methyl 3-oxo-4-phenylbutanoate
Beteiligte Stoffe
| Rolle | Name | HCID | Einwaage |
|---|---|---|---|
| Edukt | Hydrochloric Acid | HCID 313 | — |
| Edukt | Pyridine | HCID 1049 | — |
| Edukt | Phenylacetyl chloride | HCID 7679 | — |
| Edukt | 2,2-Dimethyl-1,3-dioxane-4,6-dione | HCID 16249 | — |
| Lösungsmittel | Dichloromethane | HCID 6344 | — |
| Produkt | Methyl 3-oxo-4-phenylbutanoate | HCID 2760261 | 91,7% |
Reaktionsschritte
In 70 ml of methylene chloride was dissolved 36.03 g (0.25 mol) of Meldrum's acid. Pyridine (38.17 g, 0.48 mol) was used as a base. To the solution was added dropwise 42.52 g (0.275 mol) of phenylacetyl chloride in an ice bath while stirring. After the reaction, ice-water and diluted hydrochloric acid were added to wash. Methylene chloride was evaporated, methanol was added, followed by refluxing, and the solvent was evaporated to give 44 g (91.7%) of methyl 4-phenyl-3-oxobutyrate.
Herkunft & Nachweise
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patentnummer | US05581007 |
| Quelldatensatz | uspto-grants-1996_12 |
| ORD ID | ord-be201824b37642caa2578b52e8f996bd |
| Quellennotiz | uspto-grants-1996_12 |