Abstract: The present invention relates to the use of an ether or an ester of a tertiary alkanol or of mixtures of two or more ethers or esters of tertiary alkanols or of a stereoisomer thereof or of a mixture of two or more stereoisomers thereof as aromachemicals; to the use thereof for modifying the scent character of a fragranced composition; to an aroma chemical composition containing an ether or an ester of tertiary alkanol or of mixtures of two or more ethers or esters of tertiary alkanols or of a stereoisomer thereof or of a mixture of two or more stereoisomers thereof; and to a method of preparing a fragranced composition or for modifying the scent character of a fragranced composition. The invention further relates to specific ethers or esters of tertiary alkanols.

Abstract: The present invention relates to processes for the preparation of sclareolide and related compounds by the biocatalytic cyclization of polyunsaturated carboxylic acid compounds, in particular of homofarnesylic acid and related compounds; and to a process for the preparation of ambroxide via the biocatalytic cyclization of homofarnesylic acid to sclareolide.

Abstract: The present invention relates to a process for carbonylating allyl alcohols at low temperature, low pressure and/or low catalyst loading. In an alternative embodiment, an acylation product of the allyl alcohol is used for the carbonylation. The present invention likewise relates to the preparation of conversion products of these carbonylation products and specifically of (?)-ambrox.

Abstract: The present invention relates to the use of an ether or an ester of a 1-substituted cycloalkanol or of mixtures of two or more ethers or esters of 1-substituted cycloalkanols or of a stereoisomer thereof or of a mixture of two or more stereoisomers thereof as aroma chemicals; to the use thereof for modifying the scent character of a fragranced composition; to an aroma chemical composition containing an ether or an ester of a 1-substituted cycloalkanol or of mixtures of two or more ethers or esters of 1-substituted cycloalkanols or of a stereoisomer thereof or of a mixture of two or more stereoisomers thereof; and to a method of preparing a fragranced composition or for modifying the scent character of a fragranced composition. The invention further relates to specific ethers or esters of 1-substituted cycloalkanols.

Abstract: The present invention relates to the use of an ?,?-disubstituted carboxylic acid ester of the general formula (I) wherein the variables are as defined in the claims and the description, or of mixtures of two or more of these ?,?-disubstituted carboxylic acid esters or of a stereoisomer thereof or of a mixture of two or more stereoisomers thereof as aroma chemicals; to the use thereof for modifying the scent character of a fragranced composition; to an aroma chemical composition containing an ?,?-disubstituted carboxylic acid ester of the general formula (I) or a mixture of two or more of said ?,?-disubstituted carboxylic acid esters or of a stereoisomer thereof or of a mixture of two or more stereoisomers thereof; and to a method of preparing a fragranced composition or for modifying the scent character of a fragranced composition. The invention further relates to specific mixtures of ?,?-disubstituted carboxylic acid esters of the general formula (I).

Abstract: An odorant and flavoring formulation for topical application comprising, as matrix former, a mixture of at least one water-insoluble polymer from the group of homo- or co-polymers of C1-C4-carboxylic acid vinyl esters and at least one water-soluble polymer from the group of homo- or copolymers of N-vinyllactams.

Abstract: The present invention relates to a method for preparing acetate compounds using ketene.

Abstract: The present invention relates to a method for preparing a dialkyi or dialkenyl ether of a cycloaliphatic or araliphatic diol, which comprises (i) reacting the cycloaliphatic or araliphatic diol with metallic sodium in an aprotic organic solvent in the presence of a catalytic amount of at least one monoether-monoalcohol of formula (I) wherein Y is identical or different and selected from C2-C4-alkylene, n is an integer in the range from 1 to 10, and R1 is C1-C4-Alkyl, whereby the corresponding disodium dialcoholate is obtained, reacting the disodium dialcoholate obtained in step (i) with an alkylation alkenylation reagent.

Abstract: The present invention relates to the use of esters and/or ethers of 3-methyl-pentane-diol and unsaturated derivates thereof as aroma chemicals, to aroma chemical compositions comprising at least one ester of 3-methyl-pentan-diol and/or unsaturated derivates thereof and/or at least one ether of 3-methyl-pentan-diol and/or unsaturated derivates thereof and to a method for preparing an aroma chemical composition, in particular a fragranced composition, specifically a fragranced ready-to-use composition, which comprises incorporating at least one ester of 3-methyl-pentane-diol and/or one or more unsaturated derivates thereof and/or at least one ether 3-methyl-pentane-diol and/or one or more unsaturated derivates thereof into a composition, in particular into a ready-to-use composition.

Abstract: The present invention relates to the use of 2-furyl- and 2-thienyl-substituted di- and tetrahydropyrans of the formula (I) wherein the variables are as defined in the claims and the description, as aroma chemicals; to aroma chemical compositions comprising at least one 2-furyl- or 2-thienyl-substituted di- or tetrahydropyran and to a method for preparing an aroma chemical composition. The present invention further relates to specific 2-furyl- and 2-thienyl-substituted di- and tetrahydropyrans and to a method for their preparation.

Abstract: The invention relates to new types of modulators of the cold menthol receptor TRPM8, to methods of modulating the TRPM8 receptor using these modulators; and in particular the use of the modulators for inducing a sensation of coldness; and also the articles and compositions produced using these modulators.

Abstract: The present invention relates to a method for preparing a compound of formula (I). The present invention also relates to compounds of formula (A) or a compound in the form of a stereoisomer. The present invention further relates to the use of a compound of formula (A) as aroma chemical.

Abstract: The present invention relates to a method for preparing a dialkyi or dialkenyl ether of a cycloaliphatic or araliphatic diol, which comprises (i) reacting the cycloaliphatic or araliphatic diol with metallic sodium in an aprotic organic solvent in the presence of a catalytic amount of at least one monoether-monoalcohol of formula (I) wherein Y is identical or different and selected from C2-C4-alkylene, n is an integer in the range from 1 to 10, and R1 is C1-C4-Alkyl, whereby the corresponding disodium dialcoholate is obtained, reacting the disodium dialcoholate obtained in step (i) with an alkylation alkenylation reagent.

Abstract: The present invention relates to tetrahydropyranyl lower akyl esters and specifically to tetrahydropyranyl acetates, a method for preparation thereof using ketene and use thereof as fragrances and aroma substances.

Abstract: The present invention relates to processes for the preparation of sclareolide and related compounds by the biocatalytic cyclization of polyunsaturated carboxylic acid compounds, in particular of homofarnesylic acid and related compounds; and to a process for the preparation of ambroxide via the biocatalytic cyclization of homofarnesylic acid to sclareolide.

Abstract: The present invention relates to 2,3,7-Trimethyloct-6-enyl acetate and 3,7-dimethyl-2-methylene-oct-6-enyl acetate and derivatives thereof and their use as aroma chemicals.

Abstract: The present invention relates to a composition of spherical microparticles composed of a wall material and at least one cavity that comprises a gas and/or a liquid, which have pores on the surface thereof, wherein the spherical microparticles have a mean particle diameter of 10-600 ?m and wherein at least 80% of those microparticles, the particle diameter of which does not deviate from the mean particle diameter of the microparticles of the composition by more than 20%, each have on average at least 10 pores, the diameter of which is in the range from 1/5000 to 1/5 of the mean particle diameter, and, furthermore, the diameter of each of these pores is at least 20 nm, wherein the wall material consists of a composition comprising at least one aliphatic-aromatic polyester and at least one additional polymer, wherein the additional polymer is selected from the group consisting of polyhydroxy fatty acids, poly(p-dioxanones), polyanhydrides, polyesteramides, polysaccharides and proteins, to a method for the prepar

Abstract: The present invention relates to tetrahydropyranyl lower akyl esters and specifically to tetrahydropyranyl acetates, a method for preparation thereof using ketene and use thereof as fragrances and aroma substances.

Abstract: The present invention relates to a method for preparing acetate compounds using ketene.

Abstract: An incipient wetness impregnation method for preparing a tin-containing zeolitic material having framework type BEA, a novel tin-containing zeolitic material having framework type BEA and its use.