Reaction #1372

Reaction equation

ethyl 2-methyl-3,4,6-trifluorobenzoylacetate

acetic anhydride

triethoxymethane

→

ethyl 2-(2-methyl-3,4,6-trifluorobenzoyl)-3-ethoxyacrylate

Yield 90.0%

Conditions

Workup

1. 1
   Temperaturethe mixture is refluxed for 1 hour
2. 2
   ConcentrationAfter concentrating

Procedure

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.

Source