International Flavors & Fragrances Inc.

Michael Licciardello

Richard M Boden

Marie R Hanna

Mark A Sprecker

William L Schreiber

Robert P Belko

Theodore J Tyszkiewicz

Hugh Watkins

Manfred H Vock

Joaquin F Vinals

Patrick Whalen

Joseph J Maisano, Jr

Described is an isomer-directed process for producing asymmetric ketones defined according to the generic structure: ##STR1## wherein one of Z.sub.1 or Z.sub.2 is the moiety: ##STR2## and the other of Z.sub.1 or Z.sub.2 is hydrogen; wherein R.sub.11 and R.sub.21 represent hydrogen or the same or different alkyl or alkenyl with the proviso that R.sub.11 and R.sub.21 are not both hydrogen or wherein R.sub.11 and R.sub.21 taken together:

Isomer-directed process for producing asymmetric ketones using catalytic

Described in an isomer-directed process for producing asymmetric ketones defined according to the generic structure: ##STR1## wherein one of Z.sub.1 or Z.sub.2 is the moiety: ##STR2## and the other of Z.sub.1 or Z.sub.2 is hydrogen; wherein R.sub.11 and R.sub.21 represent hydrogen or the same or different alkyl or alkenyl with the proviso that R.sub.11 and R.sub.21 are not both hydrogen or wherein R.sub.11 and R.sub.21 taken together:

Described is the compound having the structure ##STR1## useful in perfumery.

Ketal and use in perfumery

Described is 2-isopropenyl-1,5-dimethyl-cyclopentane carboxaldehyde of our invention having the structure: ##STR1## and uses thereof for augmenting or enhancing the aroma of perfumes, colognes and perfumed articles including solid or liquid anionic, cationic, nonionic or zwitterionic detergents, perfumed polymers, fabric softener compositions, fabric softener articles including drier-added fabric softener articles, hair preparations, cosmetic powders, face creams, moisturizers and the like. Also described is a process for preparing 2-isopropenyl-1,5-dimethyl-cyclopentane carboxaldehyde of our invention according to the reaction: ##STR2## .

2-Isopropenyl-1,5-dimethyl-cyclopentane carboxaldehyde

Described is a genus of compounds defined according to the structure: ##STR1## (Z) represents one of the moieties ##STR2## as well as the substantially pure compound defined according to the structure: ##STR3## and the use thereof for augmenting or enhancing the aroma or taste of consumable materials including foodstuffs, chewing gums, medicinal products, toothpastes, chewing tobaccos, smoking tobaccos, smoking tobacco articles, perfumes, colognes and perfumed articles including solid or liquid anionic, cationic, nonionic or zwitterionic detergents, fabric softeners, fabric softener articles, perfumed articles, hair preparations and the like.

Process for preparing a methoxybenzaldehyde from the corresponding

Described is the methyl carbonate of .alpha.,3,3-trimethyl cyclohexane methanol defined according to the structure: ##STR1## and uses thereof in augmenting or enhancing the aroma of perfume compositions, colognes and perfumed articles such as solid or liquid anionic, cationic, nonionic or zwitterionic detergents, fabric softeners, fabric softener articles as well as hair sprays, shampoos and bath oils and perfumed polymers. Also described is a process for preparing the methyl carbonate of .alpha.,3,3-trimethyl cyclohexane methanol according to the reaction: ##STR2##

Methyl carbonate of .alpha.,3,3-trimethyl cyclohexane methanol,

Described are the 4-cyclooctenyl alkyl carbonates defined according to the structure: ##STR1## wherein R.sub.4 is methyl or ethyl, reaction products including a major proportion of said 4-cyclooctenyl alkyl carbonates and a minor proportion of bicyclooctanyl carbonates having the structure: ##STR2## wherein R.sub.5 is methyl or ethyl, and uses thereof in augmenting or enhancing the aroma of perfume compositions, colognes and perfumed articles such as solid or liquid anionic, cationic, nonionic or zwitterionic detergents, fabric softeners, fabric softener articles, hair sprays, shampoos, bath oils and perfumed polymers.

Method of augmenting or enhancing the aroma of perfumed articles using

Described is 2-isopropenyl-1,5-dimethyl-cyclopentane carboxaldehyde of our invention having the structure: ##STR1## and uses thereof for augmenting or enhancing the aroma of perfumes, colognes and perfumed articles including solid or liquid anionic, cationic, nonionic or zwitterionic detergents, perfumed polymers, fabric softener compositions, fabric softener articles including drier-added fabric softener articles, hair preparations, cosmetic powders, face creams, moisturizers and the like. Also described is a process for preparing 2-isopropenyl-1,5-dimethyl-cyclopentane carboxaldehyde of our invention according to the reaction: ##STR2##

2-Isopropenyl-1,5-dimethyl-cyclopentane carboxaldehyde, organoleptic

Described are the 4-cyclooctenyl alkyl carbonates defined according to the structure: ##STR1## wherein R.sub.4 is methyl or ethyl, reaction products including a major proportion of said 4-cyclooctenyl alkylcarbonates and a minor proportion of bicyclooctanyl carbonates having the structures: ##STR2## wherein R.sub.5 is methyl or ethyl, and uses thereof in augmenting or enhancing the aroma of perfume compositions, colognes and perfumed articles such as solid or liquid anionic, cationic, nonionic or Zwitterionic detergents, fabric softeners, fabric softener articles, hair sprays, shampoos, bath oils and perfumed polymers.

Alkyl-4-cyclooctenyl carbonates and uses thereof in augmenting or

Described are the alkyl and bicycloalkyl methyl carbonates defined according to the structure: ##STR1## wherein R represents 2-ethyl hexyl, having the structure: ##STR2## or isobornyl having the structure: ##STR3## and uses thereof in augmenting or enhancing the aroma of perfume compositions, colognes and perfumed articles.

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Farmingdale, NJ, United States of America

Michael Licciardello