| abstract |
(57) [Summary] [Problem] A unique, powerful, belonging to the species of floral To provide a novel perfume ingredient that emits a diffuse, permanent (ie, persistent) scent. SOLUTION: General formula II (Where A is CR 4 R 5 OH, CR 4 R 5 OC (O) R 6 , Selected from the group consisting of CO 2 R 6 , CN and C (O) R 4 ; wherein R 1 , R 2 , R 3 , R 4 , R 5 and R 6 are independently H or C 1-3 alkyl. R 2 may also be methylene or ethylidene; R 6 may also be C 2-4 alkenyl or alkynyl; n = 0 or 1, and the doublet means a single or double bond, wherein There are up to two double bonds. The compounds of the)) have interesting olfactory properties which are mainly floral. These compounds are used to impart a fragrance to the perfume composition. |