Tricylic ketone and use of same as flavoring ingredient

Abstract

3,10-Diacetyl-11-isopropylidene-7,7-dimethyl-tricyclo[6.2.1.0.sup.2,6 ]undeca-2,5,9-triene is a flavoring ingredient useful for the aromatization of smoking articles. It develops upon smoking green, slightly floral, metallic, astringent, fatty, slightly bitter and earthy notes. It is prepared by a two-step process from 1-(4-isopropylidene-1-cyclopent-1-enyl)-1-ethanone.

Dependencies are inferred from the claim text.