Bridged ketones and process for preparing same

Details Bridged ketones and process for preparing same Bridged ketones and process for preparing same

1979-11-16

1981-02-10

Trousof, Natalie

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

131 17R, 252 86, 252522R, 252545, 564248, 424 69, 568352, 568373, 568445, 568446, C07C 49453

Patent

active

042503388

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, woody, spicy, leathery and amber aroma nuances to smoking tobacco prior to smoking and sweet aromas with natural tobacco taste and aroma nuances on smoking in the main stream and in the side stream.

REFERENCES:
patent: 3836584 (1974-09-01), Frater
patent: 3968070 (1976-07-01), Sundt
patent: 3989739 (1976-11-01), Stadler
patent: 4000202 (1976-12-01), Maupetit
Mortimer, "Chemistry A Conceptual Approach," pp. 446-449 (1967).

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