反应详情

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.

1. temperaturethe mixture is refluxed for 1 hour
2. concentrationAfter concentrating