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公开(公告)号：US10106517B2
公开(公告)日：2018-10-23
申请号：US15555723
申请日：2016-03-04
Applicant: BASF SE)
Inventor： Stefan Rüdenauer , Timon Stork , Ralf Pelzer , Volker Hickmann , Margarethe Klos
IPC: C07D309/12
Abstract: The present invention relates to a method for preparing tetrahydropyranyl esters from the corresponding 4-hydroxytetrahydropyran compounds by reaction with a ketene compound.
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公开(公告)号：US10160931B2
公开(公告)日：2018-12-25
申请号：US15514101
申请日：2015-09-25
Applicant: BASF SE
Inventor： Timon Stork , Stefan Rüdenauer , Margarethe Klos , Ralf Pelzer , Wolfgang Krause
IPC: C11B9/00 , C07D309/10 , A23L27/20
Abstract: The present invention relates to the use of isomerically pure or highly isomerically enriched cis- or trans-(2-isobutyl-4-methyltetrahydropyran-4-yl) acetate for use as aroma chemicals. The invention further relates to a process for the preparation of isomerically pure or highly isomerically enriched cis- or trans-(2-isobutyl-4-methyltetrahydropyran-4-yl) acetate and the products obtainable by this process. The invention further relates to a fragrance or aroma substance composition which comprises isomerically pure or highly isomerically enriched cis- or trans-(2-isobutyl-4-methyltetra-hydropyran-4-yl) acetate, a method for imparting, and/or boosting an odor or taste of a product, and also perfumed or aromatized products which comprise isomerically pure or highly isomerically enriched cis- or trans-(2-isobutyl-4-methyltetrahydropyran-4-yl) acetate.
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3.发明授权公开(公告)号：US09688650B2
公开(公告)日：2017-06-27
申请号：US14787285
申请日：2014-04-28
Applicant: BASF SE
Inventor： Timon Stork , Karl Beck , Klaus Ebel , Oliver Bey , Gabriele Gralla
IPC: C07D321/00 , C07D315/00 , C07D309/10
CPC classification number: C07D309/10
Abstract: The invention relates to a method for producing 2-substituted 4-hydroxy-4-methyltetrahydropyrans.
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4.发明授权Process for the integrated preparation of 2-substituted 4-hydroxy-4-methyltetrahydropyrans and of 2-substituted 4-Methyltetrahydropyrans 有权2-取代的4-羟基-4-甲基四氢吡喃和2-取代的4-甲基四氢吡喃的一体化制备方法公开(公告)号：US09139549B2
公开(公告)日：2015-09-22
申请号：US14053020
申请日：2013-10-14
Applicant: BASF SE
Inventor： Timon Stork , Oskar Röder , Klaus Ebel , Ralf Pelzer , Wolfgang Krause , Karl Beck
IPC: C07D309/04 , C07D309/10
CPC classification number: C07D309/10 , C07D309/04
Abstract: The present invention relates to a process for the integrated preparation of 2-substituted 4-hydroxy-4-methyltetrahydropyrans and of 2-substituted 4-methyltetrahydropyrans.
Abstract translation: 本发明涉及2-取代的4-羟基-4-甲基四氢吡喃和2-取代的4-甲基四氢吡喃的一体化制备方法。
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公开(公告)号：US09994540B2
公开(公告)日：2018-06-12
申请号：US15304283
申请日：2015-04-08
Applicant: BASF SE
Inventor： Stefan Rüdenauer , Timon Stork
IPC: C07D309/04
CPC classification number: C07D309/04
Abstract: The invention relates to a method for producing 2-substituted 4-methyl-tetrahydropyrans of general formula (I) from starting materials containing at least one 2-substituted 4,4-dimethyl-1,3-dioxane of general formula (II).
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Patent Agency Ranking
6.发明授权公开(公告)号：US09695142B2
公开(公告)日：2017-07-04
申请号：US14787312
申请日：2014-04-28
Applicant: BASF SE
Inventor： Timon Stork , Karl Beck , Gabriele Gralla , Oliver Bey , Klaus Ebel
IPC: C07D321/00 , C07D315/00 , C07D309/10
CPC classification number: C07D309/10
Abstract: The present invention relates to a process for the preparation of 2-substituted 4-hydroxy-4-methyltetrahydropyrans.
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公开(公告)号：US11091424B2
公开(公告)日：2021-08-17
申请号：US16955121
申请日：2018-12-17
Applicant: BASF SE
Inventor： Volker Hickmann , Sumana Roy , Dominik Herbrecht , Michael Acker , Wolfgang Krause , Ralf Boehling , Timon Stork , Stefan Ruedenauer , Ralf Pelzer
IPC: C07C67/46 , C07C69/14 , C07C69/157 , C07C69/145
Abstract: The present invention relates to a method for preparing acetate compounds using ketene.
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公开(公告)号：US10981885B2
公开(公告)日：2021-04-20
申请号：US16305124
申请日：2017-05-30
Applicant: BASF SE
Inventor： Volker Hickmann , Timon Stork , Stefan Ruedenauer , Ralf Pelzer
IPC: A61K8/18 , A61K8/00 , C07D309/10 , C07D311/74 , C11B9/00
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.
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公开(公告)号：US10233169B2
公开(公告)日：2019-03-19
申请号：US15304299
申请日：2015-04-08
Applicant: BASF SE
Inventor： Timon Stork , Stefan Rüdenauer
IPC: C07D309/10
Abstract: The present invention relates to a method for preparing 2-substituted 4-hydroxy-4-methyltetrahydropyrans from starting materials comprising at least one 2-alkyl-4,4-dimethyl-1,3-dioxane.
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10.发明授权公开(公告)号：US10023550B2
公开(公告)日：2018-07-17
申请号：US15303976
申请日：2015-04-08
Applicant: BASF SE
Inventor： Timon Stork , Martine Dehn , Klaus Ebel , Karl Beck , Axel Salden , Ralf Pelzer
IPC: C07D319/06 , C07D309/10 , C07C43/303 , C07D309/18 , C11B9/00
Abstract: The present invention relates to a method for the production of 2-substituted 4-hydroxy-4-methyltetrahydropyrans from the acid-catalyzed reaction of 3-methylbut-3-ene-1-ol with an aldehyde, a stable odoriferous quality being achieved and avoiding off-odors that interfere with the odor sensation.
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