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公开(公告)号:US10919827B2
公开(公告)日:2021-02-16
申请号:US16636474
申请日:2018-08-10
Applicant: BASF SE
Inventor: Albert Werner , Miriam Bru Roig , Andrei-Nicolae Parvulescu , Roland Minges , Andreas Keller , Stephan Maurer , Ulrich Mueller , Wolfgang Siegel
Abstract: The present invention relates to a process for recovering 3-methylbut-3-en-1-ol from a feed stream F1 comprising 3-methylbut-3-en-1-ol, one or more solvents, water, and isobutene, wherein 3-methylbut-3-en-1-ol, the one or more solvents and water are separated from isobutene by distillation, the process comprising subjecting the feed stream F1 to distillation conditions in a distillation unit, obtaining a bottoms stream B1 which is enriched in -methylbut-3-en-1-ol, in the one or more solvents and in water compared to the feed stream F1 subject The present invention relates to a process for recovering 3-methylbut-3-en-1-ol from a feed stream F1 comprising 3-methylbut-3-en-1-ol, one or more solvents, water, and isobutene, wherein 3-methylbut-3-en-1-ol, the one or more solvents and water are separated from isobutene by distillation, the process comprising subjecting the feed stream F1 to distillation conditions in a distillation unit, obtaining a bottoms stream B1 which is enriched in -methylbut-3-en-1-ol, in the one or more solvents and in water compared to the feed stream F1 subjected to distillation conditions, and a top stream T1 which is enriched in isobutene, further subjecting the bottoms stream B1 to distillation conditions in a second distillation unit and obtaining a bottoms stream B2 which is enriched in 3-methylbut-3-en-1-ol compared to the bottoms stream B1 and a top stream T2 which is enriched in water compared to the bottoms stream B1, further subjecting the bottoms stream B2 to distillation conditions in a third distillation unit and obtaining a top stream T3 which is enriched in 3-methylbut-3-en-1-ol compared to the bottoms stream B2 and a bottoms stream B3. ted to distillation conditions, and a top stream T1 which is enriched in isobutene, further subjecting the bottoms stream B1 to distillation conditions in a second distillation unit and obtaining a bottoms stream B2 which is enriched in 3-methylbut-3-en-1-ol compared to the bottoms stream B1 and a top stream T2 which is enriched in water compared to the bottoms stream B1, further subjecting the bottoms stream B2 to distillation conditions in a third distillation unit and obtaining a top stream T3 which is enriched in 3-methylbut-3-en-1-ol compared to the bottoms stream B2 and a bottoms stream B3.
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公开(公告)号:US10053409B2
公开(公告)日:2018-08-21
申请号:US15578959
申请日:2016-06-02
Applicant: BASF SE
Inventor: Miriam Bru Roig , Stefan Rüdenauer
IPC: C07C45/28 , C07C45/57 , C07C45/27 , C01B15/01 , C07C49/385
CPC classification number: C07C45/27 , C01B15/01 , C07C49/385 , C07C2601/18
Abstract: The present invention relates to a process for producing 3-methylcyclopentadecane-1,5-dione of formula (I), which comprises the oxidation of 14-methyl-bicyclo[10.3.0]pentadecen[1 (12)] of formula (II) with an oxidizing agent, where the oxidation is performed by using a mixture of formic acid with H2O2 as sole oxidizing agent in the presence of water and where the amount of H2O2 is at least 1.1 mol H2O2 per mol of the compound of formula (II).
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公开(公告)号:US09920007B2
公开(公告)日:2018-03-20
申请号:US15526962
申请日:2015-11-17
Applicant: BASF SE
Inventor: Stefan Rüdenauer , Ralf Pelzer , Miriam Bru Roig , Vijay Narayanan Swaminathan , Shrirang Hindalekar , Nitin Gupte , Prachin Kolambkar
IPC: C07C403/16 , C07C29/00 , C11B9/00 , C07C29/17 , A23L27/20
CPC classification number: C07C403/16 , A23L27/203 , C07C29/175 , C07C2601/14 , C07C2601/16 , C11B9/0034 , C07C31/1355
Abstract: The present invention relates to a process for the preparation of 1-(2,6,6-trimethylcyclohexylyalkan-3-ols, in particular 1-(2,6,6-trimethylcyclohexyl)-hexan-3-ol. The invention further relates to 5-alkoxy-1-(2,6,6-trimethylcyclohexenyl)-1-alken-3-ones and the use of these as a fragrance or as flavor, to a fragrance containing composition and/or a fragranced product containing 5-alkoxy-1-(2,6,6-trimethylcyclohexenyl)-1-alken-3-ones and to a method for imparting or modifying a scent or a flavor to a composition by including said alkoxyalkenones into such composition.
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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.
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公开(公告)号:US10766840B2
公开(公告)日:2020-09-08
申请号:US16488962
申请日:2018-02-27
Applicant: BASF SE
Inventor: Andrei-Nicolae Parvulescu , Miriam Bru Roig , Albert Werner , Bernhard Brunner , Wolfgang Siegel , Stephan Maurer , Ulrich Mueller , Michael Ludwig Lejkowski
Abstract: The present invention relates to a process for preparing an unsaturated alcohol, preferably 3,7-dimethyl-2,6-octadienal, by contacting an alkene, preferably isobutene, with formaldehyde in the presence a condensation catalyst comprising a zeolitic material comprising the framework structure of which comprises a tetravalent element Y other than Si.
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公开(公告)号:US10053410B2
公开(公告)日:2018-08-21
申请号:US15575169
申请日:2016-05-19
Applicant: BASF SE
Inventor: Stefan Rüdenauer , Miriam Bru Roig , Andreas Ernst , Thomas Fenlon
IPC: C07C45/30 , C07C49/00 , C07C49/385
CPC classification number: C07C45/30 , C07C49/385 , C07C2601/18
Abstract: The present invention relates to a process for preparing a macrocyclic diketone compound of the formula (I), which comprises the oxidation of a bicycloolefine compound of the formula (II) with an oxidizing agent, formulae (I) (II) where in formulae (I) and (II) A is (CH2)n with n being an integer from 2 to 12, where two hydrogen atoms may be replaced by C1-C4-alkyl, in particular methyl, or two hydrogen atoms, which are bound to adjacent carbon atoms may be replaced by a fused 5- or 6-membered saturated carbocycle; B is (CH2)m with m being 1 or 2, where 1 or 2 hydrogen atoms may be replaced by C1-C4-alkyl, in particular methyl.
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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.
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公开(公告)号:US10259822B2
公开(公告)日:2019-04-16
申请号:US15777931
申请日:2016-11-22
Applicant: BASF SE
Inventor: Albert Werner , Miriam Bru Roig , Joaquim Henrique Teles , Stefan Rüdenauer , Stephan Maurer , Manuel Danz
IPC: C07C45/60 , C07C45/62 , C07D493/06
Abstract: The present invention relates to a method for preparing compounds having a 16-oxabicyclo[10.3.1]pentadecene skeleton, specifically 14-methyl-16-oxabicyclo[10.3.1]pentadecenes, and conversion products thereof.
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公开(公告)号:US10011551B2
公开(公告)日:2018-07-03
申请号:US15311012
申请日:2015-05-13
Applicant: BASF SE
Inventor: Michael Limbach , Ivana Jevtovikj , Nuria Huguet Subiela , Alvaro Gordillo , Sabine Chantal Eileen Stieber , Ronald Lindner , Miriam Bru Roig , Michael Lejkowski , Takeharu Kageyama , Stephan A. Schunk
CPC classification number: C07C51/15 , B01J31/2409 , B01J31/2433 , B01J31/2452 , B01J31/2476 , B01J2231/32 , B01J2531/824 , B01J2531/847 , C07C57/04
Abstract: Catalytic process for preparing an α,β-ethylenically unsaturated carboxylic acid salt, comprising reacting an alkene and carbon dioxide in the presence of a carboxylation catalyst and releasing the α,β-ethylenically unsaturated carboxylic acid salt with a base, the carboxylation catalyst being a transition metal complex, which comprises a structurally constrained bidentate P,X ligand, wherein X is selected from the group consisting of P, N, O, and carbene, the P and X atom are separated by 2 to 4 bridging atoms, and wherein the bridging atoms are part of at least one 5- to 7-membered cyclic substructure. A further catalytic processes for preparing α,βethylenically unsaturated carboxylic acid derivatives from CO2 and an alkene is provided.
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公开(公告)号:US11993760B2
公开(公告)日:2024-05-28
申请号:US17059017
申请日:2019-05-24
Applicant: BASF SE
Inventor: Miriam Bru Roig , Manuel Danz , Ralf Pelzer
IPC: C07D407/04 , C07D409/04 , C11B9/00
CPC classification number: C11B9/008 , C07D407/04 , C07D409/04
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.
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