| abstract |
Bicyclic compounds containing four to six alkyl groups and having the formula: WHEREIN THE DASHED LINE IS A SINGLE OR DOUBLE CARBON-TO-CARBON BOND; X is a carbonyl oxygen or two hydrogen atoms; Y is -CHR9or -CHR10-CHR11-; R1, R2, R3 and R4 are the same or different alkyl; R7, R8, R9, R10 and R11 are hydrogen or the same or different alkyl, R7 or R8 being alkyl when R9 is alkyl; R5 is not present and R6 is hydrogen when the dashed line is a double bond; and R5 and R6 are hydrogen, or taken together, form an oxirane ring when the dashed line is a single bond, together with methods of preparation for such bicyclic compounds, perfume compositions containing the compounds, and methods for altering aromas utilizing such compounds. |