反应详情

A mixture of 4-hydroxy-3-methylbenzofuran (2.9 g, 20 mmoles) palladium III acetate (4.5 g, 20 mmoles), ethyl acrylate (2 g, 20 mmoles), acetic acid (50 ml) and dioxane (200 ml) was refluxed for 3 hours. The mixture was filtered and the filtrate concentrated and chromatographed to obtain 1 g of the title compound after recrystallization from toluene, m.p. 180°-182° C.

1. temperaturewas refluxed for 3 hours
2. filtrationThe mixture was filtered
3. concentrationthe filtrate concentrated
4. customchromatographed