Bridged ketones and process for preparing same
US4250338A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 16, 1979 |
| Grant date | Feb 10, 1981 |
| Priority date | — |
| Expiry date | Nov 16, 1999 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C2603/66
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Described are compounds covered by the generic structure; ##STR1## where one, two or all of R.sub.1, R.sub.2 and R.sub.3 are the same or different and each represents hydrogen or lower alkyl of from 1 up to 3 carbon atoms; a process for preparing same using compounds having the generic structure; ##STR2## where one of the dashed lines is a carbon-carbon double bond and the other of the dashed lines represents carbon-carbon single bonds and organoleptic uses thereof in perfumes, colognes, perfumed articles such as anionic, cationic and non-ionic detergents, cosmetic powders and dryer-added fabric softener articles, as well as in smoking tobaccos and smoking tobacco articles, e.g., the body of smoking tobacco, the wrapper or the filter therefor. Thus, the tricyclic ketone compounds of our invention, having the generic structure: ##STR3## impart, augment or enhance low-keyed oily, woody, amber, leathery, warm spice, earthy camphoraceous, patchouli-like, balsamic-like, green, cardamom-like, vetiver-like, sweet woody or minty nuances in or to perfumed compositions or perfumed articles or colognes. The tricyclic ketones of our invention further augment, enhance or impart sweet, floral, w…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.