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-酮的工艺,该工艺包括 a) 提供
6,10-二甲基十一碳-1,5,9-三烯-4-醇; b) 在至少一种有机硝氧自由基、至少一种
硝酸盐化合物和一种无机固体存在的情况下,用氧化剂氧化步骤 a) 中提供的
6,10-二甲基十一碳-1,5,9-三烯-4-醇、c) 将步骤 b) 中得到的 6,10-二甲基十一碳-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。