Naarden International N.v.

501 Naarden International N.v.

Naarden Intl. N.v.

Antonius J Van Der Weerdt

Nicolaas L Broekhof

Franciscus P Van Lier

Leendert M Van Der Linde

Harmannus Boelens

Willem Apeldoorn

Jan G Witteveen

Roeland Plomp

Harrie Renes

Jogchum Hofma

Theodorus G Hesp

Perfume compositions containing at least one compound having the formula 1 ##STR1## wherein said compounds have the substituents as defined in claim 1. Perfumed compositions and perfumed products containing them are characterized by flowery, fruity, green and spicy odors, sometimes accompanied by a slight minty nuance with animal and/or wood notes in the after-odor.

Cyclohexane-, cyclohexene- and cyclohexadiene-, bicyclo

Flavoring and perfume compositions, flavored foodstuffs and luxury consumables and perfumed products which contain (+)-spathulenol and/or (+)-4a-allospathulenol, having respective structural formula ##STR1## as the base material, (+)-4a-allospathulenol per se and a process for the preparation of these spathulenols.

Flavoring and perfume compositions, flavored foodstuffs and luxury

1-Isopropyl-3-methyl-2-(but-2'-enoyl)cyclohexane derivatives having the general formula ##STR1## in which the dotted lines represent no double bond, one double bond at position 4 or two double bonds at positions 1 and 5, 2 and 4 or 4 and 6 are valuable fragrances with fruity flowery and green odors, in some cases accompanied by woody and/or herbal notes. Above defined compounds can be used as a perfume component in perfume compositions or in products to be perfumed.

Isopropyl-methyl-butenoyl-cyclohexanes, -cyclohexenes and

Flavouring and perfume compositions, flavoured foodstuffs and luxury consumables and perfumed products which contain (+)-spathulenol and/or (+)-4a-allospathulenol, having respective structural formulae ##STR1## as the base material (+)-4a-allospathulenol per se and a process for the preparation of these spathulenols.

Flavouring and perfume compositions, flavoured foodstuffs and luxury

Perfume compositions and perfumed products containing as perfume component one or more 4,7-alkadienals with the formula ##STR1## wherein R represents a straight-chain or branched-chain alkyl or alkenyl group containing 2-5 carbon atoms and wherein the 4-5 double bond has the cis-configuration and the 7-8 double bond can have the cis or trans configuration.

Perfume compositions and perfumed products which contain one or more

Perfume compositions and perfumed products characterized by a content of one or more fragrances which have the characteristic odor of vanilla and correspond to the formula ##STR1## wherein R.sub.1 or R.sub.2 represents a hydrogen atom and the other symbol an ethyl or propyl group and R.sub.3 represents a methyl or ethyl group.

Perfume composition and perfumed products which contain one or more

Perfume compositions and perfumed articles containing dihydro- and/or tetrahydro-1-naphthol derivatives of the formula ##STR1## wherein the dotted lines represent carbon-carbon single or double bonds with the proviso that no more than one of them is a double bond and wherein R.sub.1, R.sub.2 and R.sub.3 independently are methyl groups or hydrogen atoms; said naphthol derivatives have a very natural leather-like odor.

Perfume compositions and perfumed articles containing dihydro- and/or

Perfume compositions, perfumed materials and perfumed articles containing one or more isomers of substituted 1.4.4.8-tetramethyl-tricyclo[6.3.0.0.sup.2.5 ]undecanes as perfume base. Use of one or more isomers of 9-alkanoyl-1.4.4.8-tetramethyl-tricyclo[6.3.0.0.sup.2.5 ]undecanes having formula ##STR1## wherein R is methyl, ethyl or n-propyl as a perfume component in perfume compositions and in imparting fragrance to materials and articles for example soaps, cleaning preparations and cosmetic preparations.

Perfume compositions and perfumed articles containing one or more

Perfume and flavoring compositions, perfumed articles and materials respectively flavored foods, drugs, toothpaste, and tobacco products containing 10-isopropyl-2.7-dimethyl-oxaspiro[4.5]deca-3.6-diene having formula ##STR1## as essential compound for imparting thereto an olfactive note of the cassis type as well as this compound per se.

Perfume and flavoring compositions, perfumed articles and materials, and

Use of one or more alkyl substituted benzyl cyanides having the formula ##STR1## in which R.sub.1 and R.sub.2 each may represent a hydrogen atom or a methyl group and R.sub.3 represents a branched alkyl group having at most 6 carbon atoms as a perfume component in perfume compositions and in imparting perfume notes to articles for example soaps, cleaning preparations and cosmetic compositions.

Perfume compositions as well as perfumed articles and materials

Perfume compositions, perfumed materials and perfumed articles containing one or more isomers of substituted 1.4.4.8-tetramethyl-tricyclo[6.3.0.0.sup.2.5 ]-undecanes as perfume base. Use of one or more isomers of 9-alkanoyl-1.4.4.8-tetramethyl-tricyclo[6.3.0.0.sup.2.5 ]undecanes having formula ##STR1## wherein R is methyl, ethyl or n-propyl as a perfume component in perfume compositions and in imparting fragrance to materials and articles for example soaps, cleaning preparations and cosmetic preparations.

Perfume compositions, perfumed materials and perfumed articles containing derivatives of spiro [5.5] undecane-3-one and/or undecene-3-one having the following formula ##STR1## wherein R.sub.1 and R.sub.2 are hydrogen or methyl and the dotted line is a single or double bond with the proviso that when this dotted line is a double bond R.sub.1 and R.sub.2 are both hydrogen. The use of one or more derivatives of spiro [5.5] undecane-3-one and/or -undecene-3-one having formula 1 as a perfume component in perfume compositions and in imparting fragrance to materials and articles for example soaps, cleaning preparations and cosmetic preparations.

Perfume compositions and perfumed articles containing spiro-undecanones

Use of one or more esters of methyl substituted bicyclo [2.2.1]heptane- and heptene-carboxylic esters with formula 1a and 1b, in which the dotted line is a single or double bond, R.sub.1 represents a hydrogen atom or methyl group and R.sub.2 represents an alkyl or alkenyl group having 1-4 carbon atoms as a perfume component in perfume compositions and in imparting perfume notes to articles, for example, soaps, cleaning preparations, cosmetic preparations.

Perfume compositions and perfumed articles containing esters of

Perfume compositions, perfumed materials and articles containing one or more phenyl-tetrahydrofurans. Use of one or more phenyl-tetrahydrofurans having formula 1 or 2 of the formula sheet in which R.sub.1, R.sub.2 and R.sub.3 each represent a hydrogen atom or an alkyl group having 1 to 3 carbon atoms and R.sub.4 represents a hydrogen atom, a methyl- or ethyl group as a perfume component in perfume compositions and in imparting perfume notes to materials and articles for example soaps, cleaning agents and cosmetic preparations.

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Huizen, Netherlands

Antonius J Van Der Weerdt