A process for the production of .alpha.,.beta.-unsaturated ketones by reaction of an aldehyde with a ketone in the presence of a catalyst consisting essentially of zinc oxide in the liquid phase. The ketones obtained are suitable in some cases as solvents and in some cases as intermediates for the production of valuable odorants, dyes, plastics and especially natural substances.
一种制备.alpha.,.beta.-不饱和酮的方法,包括在液相中存在
锌氧化物催化剂的条件下,通过醛和酮的反应进行。所得的酮在某些情况下适用作溶剂,在某些情况下适用作有价值的
香料、
染料、塑料和特别是天然物质的中间体。