ETHERS AND ESTERS OF 1-SUBSTITUTED CYCLOALKANOLS FOR USE AS AROMA CHEMICALS

    公开(公告)号:US20210340461A1

    公开(公告)日:2021-11-04

    申请号:US17286301

    申请日:2019-10-15

    Applicant: BASF SE

    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.

    METHOD FOR PREPARING ETHERS OF CYCLOALIPHATIC OR ARALIPHATIC DIOLS

    公开(公告)号:US20210171427A1

    公开(公告)日:2021-06-10

    申请号:US16769716

    申请日:2018-12-03

    Applicant: BASF SE

    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.

    SPHERICAL MICROPARTICLES
    55.
    发明申请

    公开(公告)号:US20210024715A1

    公开(公告)日:2021-01-28

    申请号:US17045691

    申请日:2019-04-04

    Applicant: BASF SE

    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 μm 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 preparation thereof and use thereof.

    METHOD FOR PRODUCING CYCLIC ESTERS
    60.
    发明申请

    公开(公告)号:US20180134680A1

    公开(公告)日:2018-05-17

    申请号:US15577590

    申请日:2016-05-27

    Applicant: BASF SE

    CPC classification number: C07D313/00

    Abstract: The invention relates to a method for producing cyclic esters of general formula (I.a) or (I.b) in the presence of at least one high-boiling metal alkoxide catalyst. The invention further relates to the stereoisomers of 18-methyl-1-oxacyclooctadec-10-en-2-one and to the use thereof as an odorous substance and/or flavoring substance, to compositions that contain at least one of the stereoisomers of 18-methyl-1-oxacyclooctadec-10-en-2-one and additionally a carrier material, to fragrance compositions and/or to fragrant-substance materials that contain at least one of these compounds, and to a method for giving an odor or flavor to or changing an odor or flavor of compositions by adding at least one of the mentioned compounds to said compositions.

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