Reaktion #1372

ord-1c88fe3c527448899e928f57e94a62f9

Reaktionsgleichung

CCOC(=O)CC(=O)c1c(F)cc(F)c(F)c1C
ethyl 2-methyl-3,4,6-trifluorobenzoylacetate
CC(=O)OC(C)=O
acetic anhydride
CCOC(OCC)OCC
triethoxymethane
CCOC=C(C(=O)OCC)C(=O)c1c(F)cc(F)c(F)c1C
ethyl 2-(2-methyl-3,4,6-trifluorobenzoyl)-3-ethoxyacrylate
Ausbeute 90.0%

Reaktionsbedingungen

Detaillierte Bedingungen
See reaction.notes.procedure_details.

Aufarbeitung

  1. 1
    Temperaturthe mixture is refluxed for 1 hour
  2. 2
    EinengenAfter concentrating

Vorschrift

To ethyl 2-methyl-3,4,6-trifluorobenzoylacetate (3.2 g) are added acetic anhydride (3.0 g) and triethoxymethane (2.7 g) and the mixture is refluxed for 1 hour. After concentrating, ethyl 2-(2-methyl-3,4,6-trifluorobenzoyl)-3-ethoxyacrylate (3.5 g) is obtained.

Quelle

DOI: 10.6084/m9.figshare.5104873.v1Patent: US05723648uspto-grants-1998_03