申请人:Barnicki Donald Scott
公开号:US20050004401A1
公开(公告)日:2005-01-06
Processes for producing β-hydroxy-ketones and α,β-unsaturated ketones are disclosed which comprise the crossed condensation of an aldehyde with a ketone in the presence of a hydroxide or alkoxide of alkali metal or an alkaline earth metal as catalyst. The products of the process, β-hydroxy-ketones and α,β-unsaturated ketones, are useful for the preparation of many commercially important products in the chemical process industries including solvents, drug intermediates, flavors and fragrances, other specialty chemical intermediates.
披露了生产β-羟基酮和α,β-不饱和酮的过程,这些过程包括在碱金属或碱土金属的氢氧化物或醇盐的催化下,醛与酮的交叉缩合。该过程的产品,即β-羟基酮和α,β-不饱和酮,对于化学工艺工业中许多商业上重要产品的制备非常有用,包括溶剂、药物中间体、香精和香料、以及其他专用化学品中间体。