Hydrochloric Acid → 2-[4-(Dimethylamino)phenyl]-2-methylpropanoic acid
Reaktionsgleichung
[CH3:1][N:2]([CH3:17])[C:3]1[CH:8]=[CH:7][C:6]([C:9]([CH3:16])([CH3:15])[C:10]([O:12]CC)=[O:11])=[CH:5][CH:4]=1.[OH-].[Na+].Cl>C(O)C.O>[CH3:17][N:2]([CH3:1])[C:3]1[CH:4]=[CH:5][C:6]([C:9]([CH3:15])([CH3:16])[C:10]([OH:12])=[O:11])=[CH:7][CH:8]=1Komponenten
6
Edukt 3
Produkt 1
Reagenzien, Katalysatoren, Lösungsmittel 2
Versuchsvorschrift
A mixture of ethyl (4-dimethylaminophenyl)-2,2-dimethylacetate (1.00 g, 4.25 mmol) and sodium hydroxide (0.85 g) in ethanol (20 mL) and water (9 mL) was heated under reflux for 18 hours. The mixture was cooled, acidified with 10% HCl, and washed with ethyl acetate. The aqueous phase was evaporated. The residue was dissolved in aqueous saturated sodium bicarbonate, and extracted with ethyl acetate. Tile organic phase was dried, filtered and evaporated to give (4-dimethylaminophenyl)-2,2-dimethylacetic acid as a faint red solid (0.81 0. 92%).
Aufarbeitung
- temperaturewas heated
- temperatureunder reflux for 18 hours
- temperatureThe mixture was cooled
- washwashed with ethyl acetate
- customThe aqueous phase was evaporated
- dissolutionThe residue was dissolved in aqueous saturated sodium bicarbonate
- extractionextracted with ethyl acetate
- customTile organic phase was dried
- filtrationfiltered
- customevaporated
Quellen und Nachweise
- ORD-Eintrag
- ord-4dc821c86928442195cd19229079c3fe
- Quelldatensatz
- uspto-grants-2001_07
- Patentnummer
- US06268365B1
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