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公开(公告)号:US20220106243A1
公开(公告)日:2022-04-07
申请号:US17421311
申请日:2020-01-10
Applicant: BASF SE
Inventor: Christoph STOCK , Irene DE WISPELAERE , Bernhard BRUNNER , Wolfgang KRAUSE , Ralf PELZER
IPC: C07C29/60
Abstract: The present invention relates to a method for preparing 5-aryl pentanols from 2-aryl-4-hydroxytetrahydropyrans as starting materials.
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公开(公告)号:US20210403826A1
公开(公告)日:2021-12-30
申请号:US16753413
申请日:2018-10-05
Applicant: BASF SE
Inventor: Nicolas MARION , Rolf PINKOS , Stefan RUEDENAUER , Florian GARLICHS , Ralf PELZER , Roman DOSTALEK , Joachim PFEFFINGER , Anja VINCKIER , Stephanie RENZ , Christoph STOCK , Regina-Margareta BERG , Miriam BRU ROIG , Margarethe KLOS
IPC: C11B9/00 , C07D309/04
Abstract: The present invention relates to aroma chemical compositions containing 3,5-diethyl-2-propyl-tetrahydropyran, a 3,5-diethyl-2-propyl-dihydropyran or a 3,5-diethyl-2-propyl-pyran, a mixture of such compounds, a stereoisomer of one of these compounds, or a mixture of stereoisomers of one or more of these compounds. The invention further relates to a method for preparing such compounds, stereoisomers or mixtures thereof, to the composition obtainable by this method, to the use of such compounds as an aroma chemical or for modifying the scent character of a fragranced composition; and to a method for preparing a fragranced composition or for modifying the scent character of a fragranced composition using said compounds. Moreover, the invention relates to 3,5-diethyl-2-propyl-tetrahydropyran, to its stereoisomers and to mixtures of these stereoisomers.
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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
Inventor: Christoph STOCK , Miriam BRU ROIG , Ralf PELZER , Florian GARLICHS , Manuel DANZ
IPC: C11B9/00
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.
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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
Inventor: Melanie WEINGARTEN , Wolfgang SIEGEL , Ralf PELZER , Florian GARLICHS
IPC: C07C41/09
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.
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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
Inventor: Bernd Dieter OSCHMANN , Wolfgang KRAUSE , Patrick LEIBACH , Kerstin MUELHEIMS , Ralf PELZER , Ewelina BURAKOWSKA-MEISE
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.
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公开(公告)号:US20190169108A1
公开(公告)日:2019-06-06
申请号:US16322274
申请日:2017-08-03
Applicant: BASF SE
Inventor: VOLKER HICKMANN , Stefan RUEDENAUER , Ralf PELZER , Vijay Narayanan SWAMINATHAN , Shrirang HINDALEKAR , Nitin GUPTE , Sadanand ARDEKAR , Mileen KADAM
IPC: C07C31/135 , C07C33/14 , C07C49/303 , C07C49/557 , C07C69/14 , C07C69/24 , C07C29/14 , C07C29/40 , C07C45/29 , C07C45/54 , C07C45/62 , C07C67/14 , C07C67/46 , C11B9/00 , A23L27/20
Abstract: The invention relates to compounds of formula (A) as defined herein, and esters of the compound of formula (A), and ketones of the compound of formula (A). The invention further relates to a method for preparing compounds of formula (A) and esters of the compound of formula (A), and ketones of the compound of formula (A). The invention further relates to the use of at least one compound selected from compounds of formula (A) and the esters of a compound of formula (A) and the ketones of a compound of formula (A) as aroma chemical.
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公开(公告)号:US20180362353A1
公开(公告)日:2018-12-20
申请号:US16060260
申请日:2016-12-07
Applicant: BASF SE
Inventor: NIcolas VAUTRAVERS , Joaquim Henrique TELES , Ralf PELZER , Daniel SCHNEIDER , Florian GARLICHS , Andreas KELLER , Andrei-Nicolae PARVULESCU , Ulrich MÜLLER , Sumana ROY
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.
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公开(公告)号:US20180171262A1
公开(公告)日:2018-06-21
申请号:US15577570
申请日:2016-05-27
Applicant: BASF SE
Inventor: Stefan RÜDENAUER , Ralf PELZER , Vijay Narayanan SWAMINATHAN , Shrirang HINDALEKAR , Sadanand ARDEKAR
IPC: C11B9/00 , C07C47/225 , C07C33/12 , C07C49/647 , C07C31/135 , C07C45/45 , C07C29/143 , A23L27/20
CPC classification number: C11B9/003 , A23L27/203 , A23V2002/00 , C07C29/14 , C07C29/143 , C07C29/44 , C07C31/13 , C07C31/135 , C07C33/12 , C07C45/45 , C07C45/74 , C07C47/11 , C07C47/225 , C07C49/11 , C07C49/21 , C07C49/647 , C07C2601/02 , C07C2601/08
Abstract: The present invention relates to novel compounds of general formulae (la), (lb) and (Ic) and to the stereoisomers thereof. The compounds are useful as a fragrance or as flavor as they have a sandalwood like scent. The invention also relates to a method for imparting or modifying a scent or a flavor to a composition by including said compounds into such composition, to a fragrance containing composition and/or a fragrance material containing said compound and to a process for preparing these compounds. X is C(R4)—OH or C═O; R1 is selected from the group consisting of hydrogen, C1-C4-alkyl, C2-C4-alkenyl and C3-C4-cycloalkyl, R2 is selected from the group consisting of hydrogen, C1-C4-alkyl, C2-C4-alkenyl and C3-C4-cycloalkyl, R3 is C1-C4-alkyl, R3a is selected from the group consisting of hydrogen and C1-C4-alkyl, R3b is hydrogen or together with R3a is CH2; R4 is selected from the group consisting of hydrogen and C1-C4-alkyl.
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公开(公告)号:US20180170850A1
公开(公告)日:2018-06-21
申请号:US15571107
申请日:2016-05-04
Applicant: BASF SE
Inventor: Nicolas VAUTRAVERS , Joaquim TELES , Ralf PELZER , Daniel SCHNEIDER , Florian GARLICHS , Andreas KELLER , Andrei-Nicolae PARVULESCU , Ulrich MÜLLER
Abstract: A process for preparing 2,6-dimethyl-5-heptenal, comprising oxidizing citral of which more than 50% are present as geranial with hydrogen peroxide in the presence of a catalyst comprising a Baeyer-Villiger oxidation catalyst, preferably a tin-containing molecular sieve.
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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
Inventor: Wolfgang SIEGEL , Karin SCHEIN-ALBRECHT , Ralf PELZER
IPC: C07D313/00
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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