Water → (2,5-Dimethoxyphenyl)-2-oxoacetaldehyde

Beteiligte Stoffe

Reaktionsbedingungen

Reaktionsschritte

A mixture of 3.66 g (33 mmol) of selenium dioxide, 1 ml of water and 25 ml of dioxane is heated to 60° C. 5.4 g (30 mmol) of 2′,5′-dimethoxyacetophenone are added and the mixture is refluxed for 16 hours. The solvents are evaporated off (orange-coloured oil; 6 g) and the product obtained is purified by flash chromatography (dichloromethane) (3.1 g of yellow oil; 53%).

Herkunft & Nachweise