International Flavors & Fragrances Inc.

Wilhelmus J Wiegers

Mark A Sprecker

Manfred H Vock

Marie R Hanna

Frederick L Schmitt

John B Hall

Domenick Luccarelli, Jr

Augustinus G Van Loveren

David R Bowen

Richard M Boden

Hugh Watkins

Robert P Belko

William L Schreiber

Ira D Hill

Robert M Novak

Braja D Mookherjee

Anton Van Ouwerkerk

Chi-Kuen Shu

Ronald S Fenn

Roger E Greene

Described are allyl esters of 2-norbornane acrylic acids and 2-norbornylidene propionic acids defined according to the generic structure: ##STR1## wherein the wavy line represents a carbon-carbon single bond or a carbon-carbon double bond; wherein one of the dashed lines is carbon-carbon single bond and the other of the dashed lines is a carbon-carbon double bond; and wherein R represents methyl or hydrogen; as well as methods for augmenting or enhancing the aroma of consumable materials including perfumes, colognes and perfumed articles.

Allyl esters of 2-norbornane acrylic acids and 2-norbornylidene

Described are polyhydrodimethylnaphthalene spirofuran derivatives defined according to the generic structure: ##STR1## wherein the dashed line represents a carbon-carbon single bond or a carbon-carbon double bond a process for preparing same and uses thereof in augmenting, enhancing or imparting an aroma in or to perfume compositions, colognes and perfumed articles including but not limited to solid or liquid, anionic, cationic, nonionic or zwitterionic detergents, fabric softener compositions, fabric softener articles and hair preparations.

Polyhydrodimethylnaphthalene spirofuran derivatives, organoleptic uses

Described are oxy-substituted-2-phenyl pyran derivatives defined according to the generic structure: ##STR1## wherein: (i) the dashed lines in the pyran ring each represents a carbon-carbon single bond; or one of the dashed lines is a carbon-carbon double bond and each of the other of the dashed lines in the pyran ring is a carbon-carbon single bond;

Oxy-substituted-2-phenyl pyran derivatives and process for preparing

Described are para-carboalkoxy cyclohexanones defined according to the structure: ##STR1## wherein R.sub.1 represents hydrogen or C.sub.1 -C.sub.7 alkyl and R.sub.2 represents methyl or ethyl and uses thereof in augmenting or enhancing the aroma of consumable materials including foodstuffs, chewing gums, toothpastes, medicinal products, chewing tobaccos, perfume compositions, colognes and perfumed articles (e.g., solid or liquid anionic, cationic, nonionic or zwitterionic detergents, cosmetic compositions, fabric softener compositions, fabric softener articles, hair preparations and perfumed polymers. The compounds defined according to the structure: ##STR2## wherein R.sub.1 ' represents C.sub.4 -C.sub.7 alkyl and R.sub.2 represents methyl or ethyl are novel compounds.

Process for preparing alkyl substituted and unsubstituted

Alkyl substituted para-carboalkoxy cyclohexanones

Described is a genus of norbornylbutadiene-acrolein adducts defined according to the structure: ##STR1## wherein one of X.sub.1 or X.sub.2 represents carboxaldehyde and the other of X.sub.1 or X.sub.2 represents hydrogen; wherein R.sub.1 and R.sub.2 taken together represent vinyl or ethylidene and R.sub.3 represents hydrogen or R.sub.2 and R.sub.3 taken together completes a cyclopenteno moiety and R.sub.1 represents hydrogen and uses thereof in augmenting or enhancing the aroma of consumable materials selected from the group consisting of perfume compositions, colognes and perfumed articles (e.g., perfumed polymers, solid or liquid anionic, cationic, nonionic or zwitterionic detergents, fabric softener compositions, dryer-added fabric softener articles, hair preparations, hair sprays, bath preparations and the like). Also described is a process for preparing norbornylbutadiene-acrolein adducts comprising the step of reacting the compound defined according to the structure: ##STR2## with acrolein in the presence of a Lewis acid catalyst.

Perfumery uses of norbornylbutadiene-acrolein adducts

Described is an economical and novel process for preparing a mixture containing 2-campholenylidenbutanol having the structure: ##STR1## by means of reacting the compound having the structure: ##STR2## with hydrogen in the presence of a copper chromite catalyst having the formula:

Process for preparing mixture containing 2-campholenylidenbutanol,

Alkyl substituted and unsubstituted para-carboalkoxy cyclohexanones and

Norbornylbutadiene-acrolein adducts

Process for preparing alkyl substituted para-carboalkoxy cyclohexanones

Processes and compositions are described for the use in foodstuff flavor and aroma and perfumes and perfumed articles aroma augmenting, modifying, altering and enhancing compositions and as foodstuff, chewing gum, toothpaste, medicinal product, perfumes and perfumed articles aroma imparting materials of tricyclic isochroman mixtures wherein in the mixtures each of the compounds is defined according to the structure: ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 represent methyl or hydrogen with the proviso that when one of R.sub.1, R.sub.2 and R.sub.3 is methyl, the other of R.sub.1, R.sub.2 and R.sub.3 represents hydrogen. Addition of said tricyclic isochroman mixtures is indicated to produce:

Isochroman derivatives and organoleptic uses thereof

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Red Bank, NJ, United States of America

Wilhelmus J Wiegers