Fine fragrance compositions containing norbornene ester derivatives

A fine fragrance composition comprising:

• a) an olfactory acceptable amount of at least one compound in the form of any one of its enantiomers or a mixture thereof, which is selected from the group consisting of:
• diethyl 2-((bicyclo[2.2.1]hept-5-en-2-yl)methyl)malonate;
• and
• dimethyl 2-((bicyclo[2.2.1]hept-5-en-2-yl)methyl)malonate;
• b) at least one of a fragrance carrier and a fragrance base selected from the group consisting of galaxolide, hexyl cinnamic aldehyde, citronellol, 3,4,5,6,6-pentamethylheptan-2-ol (kohinool), linalool, linalyl acetate, styrallyl acetate, butylphenyl methylpropional (lilial), 2,4-dimethyl-3-cyclohexen-1-carbaldehyde (triplal), orange terpenes, musk ketone, ethylene brassylate, ethyl vanillin, coumarin, helional, methyl dihydrojasmonate (hedione), oxacyclohexadecan-2-one (exaltolide), patchouli oil, (3aR,5aS,9aS,9bR)-3a,6,6,9a-tetramethyldodecahydronaphtho[2,1-b]furan (ambroxan), beta-ionone, geraniol, cyclamen aldehyde, phenyl ethyl alcohol, benzyl acetate, benzaldehyde, allyl cyclohexyl propionate, cis-3-hexenol, cis-3-hexenyl acetate, hexyl acetate and ethyl alcohol;
• and
• c) optionally at least one fragrance adjuvant.