Diethyl Ether → Silver benzoylacetate

HRID 2245814Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 2245814
N(CCO)CCO.CCOCC.[C:13]([CH2:21][C:22]([OH:24])=[O:23])(=[O:20])[C:14]1[CH:19]=[CH:18][CH:17]=[CH:16][CH:15]=1.[N+]([O-])([O-])=O.[Ag+:29]>O>[C:13]([CH2:21][C:22]([O-:24])=[O:23])(=[O:20])[C:14]1[CH:19]=[CH:18][CH:17]=[CH:16][CH:15]=1.[Ag+:29]

Komponenten

6

Edukt 4

HCID 3283Diethyl EtherHCID 8113DiethanolamineHCID 24470Silver NitrateHCID 97045Benzoylacetic acid

Produkt 1

HCID 86633512Silver benzoylacetateAusbeute 97,1 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 962WaterLösungsmittel

Versuchsvorschrift

Diethanolamine (0.33 g) was dissolved in water (5 mL), and to this was added an ether solution (20 mL) containing benzoylacetic acid (0.54 g). Next, the mixture was stirred at 15° C. while an aqueous solution (5 mL) containing silver nitrate (0.51 g) was added dropwise, and this further was stirred for 15 minutes. The pale yellow precipitate that settled was filtered off, yielding silver benzoylacetate (yield 0.79 g). FIG. 4 shows the infrared absorption spectrum (IR) of the silver benzoylacetate that was obtained. IR:1687 cm−1, 1540 cm−1.

Aufarbeitung

  1. additionwas added dropwise
  2. filtrationThe pale yellow precipitate that settled was filtered off

Quellen und Nachweise

ORD-Eintrag
ord-07ffb9774b944837aeae5b227db6cada
Quelldatensatz
uspto-grants-2010_03
Patentnummer
US07683195B2

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