The present invention relates to a novel process for the preparation of 1-(2,6,6-trimethyl-2-cyclohexene-1-yl)-2-but-2-ene-1-one commonly known as &agr;-Damascone, by acylation of unsaturated cyclic hydrocarbon 2,6,6-trimethyl-1-cyclohexene followed by work up and its purification by vacuum distillation.
1
本发明涉及一种制备 1-(2,6,6-三甲基-2-
环己烯-1-基)-2-丁-2-烯-1-酮(俗称&agr;-Damascone)的新工艺,其方法是将不饱和环状碳氢化合物 2,6,6-三甲基-1-
环己烯酰化,然后进行加 工并通过真空蒸馏提纯。