| abstract |
Process for the preparation of ß,Ω,Δ-unsaturated ketones and/or α,ß,Ω,Δ-unsaturated ketones by the reaction of an unsaturated alcohol with an enol ether or mixture of enol ethers, with formation of ketals as a by-product, at temperatures of from 50°C to 200°C, in the presence of an acid catalyst, whereby one or all of the reagents is/are heated to the reaction temperature of from 50°C to 200°C before the acid catalyst is added. |