The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 17, 1985
Filed:
Sep. 14, 1984
John B Hall, Rumson, NJ (US);
Mark A Sprecker, Sea Bright, NJ (US);
International Flavors & Fragrances Inc., New York, NY (US);
Abstract
Described is a process for preparing the compound having the structure: ##STR1## comprising the steps of reacting 1-acetyl-3,3-dimethylcyclohexane having the structure: ##STR2## with an alkyl acetate defined according to the structure: ##STR3## wherein R.sub.2 is C.sub.1 -C.sub.5 alkyl such as methylethyl, n-propyl, i-propyl, n-butyl, 2-butyl and tertiary butyl, thereby forming a diketone having the structure: ##STR4## reacting the said diketone with an allyl halide having the structure: ##STR5## (wherein X represents bromo or iodo) to form a substituted diketone having the structure: ##STR6## and then transforming the compound having the structure: ##STR7## into the compound having the structure: ##STR8## by means of a retro-Claisen reaction. Also described is the use in augmenting or enhancing the aroma of perfume compositions, colognes or perfumed articles of the compound having the structure: ##STR9##