Compositions – Electrically conductive or emissive compositions – Metal compound containing
Patent
1984-04-20
1985-04-30
Sneed, Helen M. S.
Compositions
Electrically conductive or emissive compositions
Metal compound containing
523102, A61K 746, C11B 909
Patent
active
045143242
ABSTRACT:
Described is 1,2,3,3,5,6-hexamethyl-bicyclo[2.2.2]oct-5-en-2-ol as a mixture of isomers and in its isomeric forms having the structures: ##STR1## and the uses thereof in augmenting or enhancing the aroma of perfume compositions, perfumed articles, and colognes. Also described is a novel process for preparing 1,2,3,3,5,6-hexamethyl-bicyclo[2.2.2]oct-5-en-2-ol by first reacting the compound having the structure: ##STR2## with the compound having the structure: ##STR3## in order to produce the ketone defined according to the structure: ##STR4## which is hydrogenated to form the compound having the structure: ##STR5## and further hydrogenated to form the ketone having the structure: ##STR6## This ketone is reacted with CH.sub.3 M wherein M represents Li or MgX and wherein X is chloro, bromo or iodo to form the organometallic intermediate defined according to the structures: ##STR7## These compounds are then hydrolyzed with dilute acid to form the organoleptically useful 1,2,3,3,5,6-hexamethyl-bicyclo[2.2.2]oct-5-en-2-ol isomers of our invention defined according to the structures: ##STR8##
REFERENCES:
patent: 3914322 (1975-10-01), Chappell et al.
patent: 4386023 (1983-05-01), Sprecker et al.
patent: 4391744 (1983-07-01), Belko et al.
Evers William J.
Mookherjee Braja D.
Ouwerkerk Anton Van
Van Loveren Augustinus G.
International Flavors & Fragrances Inc.
Liberman Arthur L.
Sneed Helen M. S.
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