反应详情

温度

130 °C

A mixture of ethyl 3-bromo-2,4,5-trifluorobenzoylacetate (1.5 g), ethyl orthoformate (1.0 g) and acetic anhydride (1.2 g) was stirred at 130° C. for 4.5 hours and then concentrated to give the title compound (1.75 g) as yellow oil.

1. concentrationconcentrated