The present invention is directed to the fragrance compounds and their intermediates and a method of improving, enhancing or modifying a fragrance formulation through the addition of an olfactory acceptable amount
wherein the dotted line represents a possible single or double bond; wherein R is equal to a C
3
-C
7
hydrocarbon moieties R
1
and R
2
together can be selected from the group consisting of oxygen and may form a closed ring structure represented by
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; and
R1 and R2 together represent ═O or a ring structure represented by