Organoleptic compounds

Perfume compositions – Perfume compositions – Ring containing active ingredient

Reexamination Certificate

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Details

C568S374000

Reexamination Certificate

active

07842659

ABSTRACT:
The present invention is directed to novel fragrance compounds and their unexpected advantageous use in enhancing, improving or modifying a fragrance formulation through the addition of an olfactory acceptable amount of the compounds, wherein the compounds are represented by the following formula:wherein the dotted line represents a single or double bond;R is selected from the group consisting of propyl, butyl, and pentyl; andR1and R2together represent ═O or a ring structure represented by

REFERENCES:
X. Dai et al., Advanced Synthesis and Catalysis 2006, vol. 348, issues 16+17, pp. 2449-2456.
M.T.M. Clements et al., Canadian Journal of Chemistry 1988, vol. 66, issue 3, pp. 454-460. No month available. Abstract.

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