Acetic Anhydride → 3-Methoxycarbonyl-2-benzylidenepropanoic acid

HRID 65715Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 65715
[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-4a01dc0b015e4df892b58a99116b9e01
Quelldatensatz
uspto-grants-1978_12
Patentnummer
US04128653

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