公开(公告)号：US11591543B2

公开(公告)日：2023-02-28

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.

公开(公告)号：US10913704B2

公开(公告)日：2021-02-09

申请号：US16611120

申请日：2018-05-04

Applicant: BASF SE

Inventor： Volker Hickmann ,  Stefan Ruedenauer ,  Ralf Pelzer ,  Vijay Narayanan Swaminathan ,  Shrirang Hindalekar ,  Nitin Gupte ,  Sadanand Ardekar ,  Mileen Kadam

IPC: A61K8/18 ,  A61Q13/00 ,  A61K8/00 ,  C07C69/145 ,  C07C67/40 ,  C11B9/00

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.

公开(公告)号：US10800724B2

公开(公告)日：2020-10-13

申请号：US16317279

申请日：2017-07-14

Applicant: BASF SE (REITSTÖTTER, KINZEBACH & PARTNER)

Inventor： Miriam Bru Roig ,  Stefan Ruedenauer

IPC: C07C45/66 ,  C07C45/78 ,  C07C49/587

Abstract: The present invention relates to a method for preparing 14-methyl-16-oxabicyclo-[10.3.1]pentadecenesin a two-step synthesis from 3-methyl-1,5-cyclopentadecane-dione as starting material.

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.

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.

公开(公告)号：US10954538B2

公开(公告)日：2021-03-23

申请号：US15999299

申请日：2017-02-20

Applicant: BASF SE

Inventor： Michael Breuer ,  Wolfgang Siegel ,  Stefan Ruedenauer ,  Ralf Pelzer

IPC: C12P17/04

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.