Acetic Anhydride → 3-Methoxycarbonyl-2-benzylidenepropanoic acid

HRID 262750Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 262750
[C:1]([CH2:4][C:5](=[CH:9][C:10]1[CH:15]=[CH:14][CH:13]=[CH:12][CH:11]=1)[C:6]([OH:8])=[O:7])([OH:3])=[O:2].[C:16](OC(=O)C)(=O)C>>[CH3:16][O:2][C:1]([CH2:4][C:5](=[CH:9][C:10]1[CH:15]=[CH:14][CH:13]=[CH:12][CH:11]=1)[C:6]([OH:8])=[O:7])=[O:3]

Komponenten

3

Edukt 2

HCID 7918Acetic AnhydrideHCID 2229982-(Phenylmethylene)butanedioic acid

Produkt 1

HCID 541581613-Methoxycarbonyl-2-benzylidenepropanoic acid

Versuchsvorschrift

2-Carboxymethyl-3-phenylpropenoic acid (4.1 g.) and acetic anhydride (9 ml.) are heated in the steam bath for 70 minutes. The mixture is concentrated to dryness and the residue triturated with ether, yield 3.6 g. This anhydride is dissolved in 7 ml. of methanol and heated in the steam bath for 1 hour.

Aufarbeitung

  1. concentrationThe mixture is concentrated to dryness
  2. customthe residue triturated with ether, yield 3.6 g
  3. dissolutionThis anhydride is dissolved in 7 ml
  4. temperatureof methanol and heated in the steam bath for 1 hour

Quellen und Nachweise

ORD-Eintrag
ord-03ac42385c7444d6bceab2c91b25f64c
Quelldatensatz
uspto-grants-1979_05
Patentnummer
US04154937

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