Patent ID: 8779212

Claim:
A process for preparing olefinically unsaturated carbonyl compounds from olefinically unsaturated alcohols by oxidative dehydrogenation which comprises utilizing a supported silver catalyst, obtained by a process comprising a) applying a complexed sparingly soluble silver compound to a support material from suspension or solution, b) subsequently thermally treating the product obtained in stage a) at temperatures in the range from 100 to 400° C. over a period of 5 min to 5 h, wherein the complexed sparingly soluble silver compound is complexed with a complexing agent selected from the group consisting of an amine- containing hydrocarbon, a hydroxyl-containing hydrocarbon, a carboxyl-containing hydrocarbon, ammonia, or oxo, aza or thio macrocycle, and the sparingly soluble silver compounds used being those having a solubility in aqueous solution at a temperature of 25° C. and a pH of 7 of less than 5.0 g/l.