The present invention relates to a process for preparing 1-(2,6,6-trimethylcyclohex-2- en-1-yl)but-2-en-1-one, which comprises a) providing 6,10-dimethylundeca-1,5,9-trien-4-ol, b) oxidizing 6,10-dimethylundeca-1,5,9-trien-4-ol provided in step a) with an oxidizing agent in the presence of at least one organic nitroxyl radical, at least one nitrate compound and an inorganic solid to yield 6,10-dimethylundeca-1,5,9- trien-4-one, c) reacting the 6,10-dimethylundeca-1,5,9-trien-4-one obtained in step b) with an acid to yield 1-(2,6,6-trimethylcyclohex-2-en-1-yl)but-2-en-1-one.
本发明涉及一种制备1-(2,6,6-三甲基环己-2-烯-1-基)丁-2-烯-1-酮的过程,包括a)提供6,10-二甲基
十一碳烯-1,5,9-
三烯-4-醇,b)在至少一种有机亚硝基自由基、至少一种
硝酸盐化合物和一种无机固体的存在下,将步骤a)中提供的6,10-二甲基
十一碳烯-1,5,9-
三烯-4-醇氧化,得到6,10-二甲基
十一碳烯-1,5,9-
三烯-4-酮,c)将步骤b)中得到的6,10-二甲基
十一碳烯-1,5,9-
三烯-4-酮与酸反应,得到1-(2,6,6-三甲基环己-2-烯-1-基)丁-2-烯-1-酮。