Patent ID: 7129206

Claim:
A method to impart, enhance or modify the odor properties of a perfuming composition or a perfumed product, which method comprises adding to said composition or product a compound of formula wherein the symbol R′ represents a linear or branched, unsaturated or saturated hydrocarbon group having from 1 to 5 carbon atoms; R 1 , R 2 , R 3 , R 4 and R 5 represent, independently of each other, a hydrogen atom, a methyl, an ethyl or a methoxy group; R 6 and R 7 represent, independently of each other, a hydrogen atom, a methyl, ethyl, n-propyl or iso-propyl group; and R 5 and R 6 , when taken together with the carbon atoms to which they are bound, may form a six-membered ring; and wherein the compound imparts odor notes of the floral or indolic type and of substantial volume and of a power easily comparable to that of indole.