Decalin ketones, their use in perfumery and process for the preparation thereof
AssigneeFirmenich SA
InventorsCharles Fehr, Jose Galindo, Olivier Guntern
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Abstract
The decalin ketones of formula ##STR1## having a single or double bond in one of the positions indicated by the dotted lines, or two double bonds in positions 2 and 5 or 3 and 5 such as indicated by the dotted lines, and wherein symbols R.sup.1, R.sup.2 and R.sup.3 represent a hydrogen atom or a methyl radical, are useful as perfuming ingredients for the preparation of perfuming compositions and perfumed articles, to which they impart woody-amber odor notes. A process for the preparation of these ketones is also disclosed.
Claims12
A method to confer, improve, enhance or modify the odor properties of a perfuming composition or a perfumed article, which method comprises adding to said composition or article a fragrance effective amount of a decalin ketone of formula ##STR13## having a single or double bond in one of the positions indicated by the dotted lines, or two double bonds in positions 2 and 5 or 3 and 5 such as indicated by the dotted lines, and wherein symbols R.sup.1, R.sup.2 and R.sup.3 represent a hydrogen atom or a methyl radical.
Dependencies are inferred from the claim text.