Givaudan Corporation

Other

Hanspeter Schenk

Paul A Ochsner

Trudi Sigg-Grutter

Novel odorant substances of the formula: ##STR1## wherein: one of the three dotted lines represents an optional bond,

Tri- and tetra-substituted cyclohexen-1-methyl acetates as odorants

Novel esters, of the general formula ##STR1## wherein R represents C.sub.1-4 -alkyl or C.sub.2-4 -alkenyl and one of the three broken lines represents an additional bond, are disclosed. Also disclosed are novel odorant and/or flavouring compositions containing esters or formula I, a process and intermediates for the manufacture of the esters of formula I and the use of esters of formula I as odorant and/or flavouring substances.

Flavorants containing esters of 2,3,6,6-tetramethylcyclohexenyl

Novel esters, of the general formula ##STR1## wherein R represents C.sub.1-4 -alkyl or C.sub.2-4 -alkenyl and one of the three broken lines represents an additional bond, are disclosed. Also disclosed are novel odorant and/or flavoring compositions containing esters of formula I, a process and intermediates for the manufacture of the esters of formula I and the use of esters of formula I as odorant and/or flavoring substances.

Odorants containing esters of 2,3,6,6-tetramethylcyclohexenyl carboxylic

Novel substituted 2,2-dimethylcyclohexanoic acid derivatives of the formula: ##STR1## wherein: R.sup.1 represents an alkyl group of one to four carbons;

Esters of substituted 2,2-dimethylcyclohexanoic acid

Esters of 2,3,6,6-tetramethyl-cyclohexenyl carboxylic acids and odorant

The 2-ethyl-6,6-dimethyl-2-cyclohexene-1-carboxylic acid ethyl ester possesses uniquely-desirable olfactory properties.

2-Ethyl-6,6-dimethyl-2-cyclohexene-1-carboxylic acid ethyl ester perfume

Novel odorants of the formula: ##STR1## wherein one of three lines indicated by dots represents an additional bond. The use of these compounds as odorants, process for the preparation of said compounds, and novel intermediates are also disclosed.

2-Ethyl-3,6,6-trimethyl-1-crotonyl-2-cyclohexene-type compounds and

Z-ethyl-3,6,6-trimethyl-2-cyclohexene-1-carboxylic acid esters

Novel cycloaliphatic ketones, a process for making them and odorant and/or flavoring compositions containing the ketones are described.

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Zumikon, Switzerland

Hanspeter Schenk