Hindered ketones as perfuming ingredients

Details Hindered ketones as perfuming ingredients Hindered ketones as perfuming ingredients

2007-01-02

2007-01-02

Cole, Monique T. (Department: 1743)

Perfume compositions

Perfume compositions

Oxygen containing active ingredient

C568S303000, C568S376000, C568S377000

Reexamination Certificate

active

10952462

ABSTRACT:
The present invention relates to the perfumery industry. It concerns more particularly a β-γ unsaturated hindered ketone of formulawherein R represents, simultaneously or independently, a C1to C4linear or branched alkyl group, and in the form of any one of its isomers, i.e. optical isomers or diastereoisomers, or of a mixture thereof. The use of the compound as a perfuming ingredient, as well as the perfumed articles or perfuming compositions that contain as an active ingredient a compound of formula (I), are also embodiments of the invention.

REFERENCES:
patent: 3923898 (1975-12-01), Schulte-Elte
patent: 4136119 (1979-01-01), Hunter et al.
patent: 4173584 (1979-11-01), Dastur
Takenori Kusumi et al., “Acid-Catalyzed Cyclization of 2,3-Dimethyl-2-phenethyl-3-cyclohexen-1-One”, Department of Chemistry, Tokyo Kyoiku University, Otsuka, Bunkyo-ku, Tokyo 112, Bulletin Of The Chemical Society Of Japan, vol. 48, No. 1 pp. 96-100 (1975).
Jean-Marie Conia, XP002247100, “Alcoylation des cétones par 1'intermédiaire de 1'amylate tertiaire de sodium. ( 4eMemoire). Cétones éthyléniques:IIe partie: Alcoylation en série alicyclique” , Bulletin De La Societe Chimique De France., pp. 943-948, Societe Francaise Ide Chimie. Paris., FR (1954).
Metge, Claude et al., XP 002247099, “Determination de la configuration et de la conformation de dérivés alcoylés de la (-)-methone” Bulletin De La Societe Chimique De France., (3) (PT. 2) pp. 1049-1053, (1973).

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