公开(公告)号：US20180179137A1

公开(公告)日：2018-06-28

申请号：US15790464

申请日：2017-10-23

Applicant: SYMRISE AG

Inventor： Peter Esser ,  Angela Köckritz ,  Andreas Martin ,  Diego Jaime

IPC: C07C45/27 ,  C07F11/00 ,  B01J31/02 ,  B01J37/04

CPC classification number: C07C45/27 ,  B01J31/0278 ,  B01J31/0298 ,  B01J37/04 ,  C07C2602/32 ,  C07D301/12 ,  C07F11/005

Abstract: The invention relates to a process for producing 17-oxabicyclo[14.1.0]heptadec-8-ene comprising a reaction with the reactants cyclohexadeca-1,9-diene and hydrogen peroxide.

公开(公告)号：US20230144944A1

公开(公告)日：2023-05-11

申请号：US17799506

申请日：2020-02-18

Applicant: SYMRISE AG

Inventor： Nikolas BUGDAHN ,  Angela Köckritz ,  Elka KRALEVA ,  Reinhard ECKELT

IPC: C07C5/31 ,  B01J29/70

CPC classification number: C07C5/31 ,  B01J29/7038 ,  C07C2529/70

Abstract: What is proposed is a continuous process for producing limonene which has the feature that beta-pinene or beta-pinene-containing starting materials are isomerized in a trickle-bed reactor in the presence of acid catalysts.

公开(公告)号：US10343966B2

公开(公告)日：2019-07-09

申请号：US15790464

申请日：2017-10-23

Applicant: SYMRISE AG

Inventor： Peter Esser ,  Angela Köckritz ,  Andreas Martin ,  Diego Jaime

IPC: C07C45/27 ,  B01J31/04 ,  C07D301/12 ,  C07F11/00 ,  B01J31/02 ,  B01J37/04

Abstract: The invention relates to a process for producing 17-oxabicyclo[14.1.0]heptadec-8-ene comprising a reaction with the reactants cyclohexadeca-1,9-diene and hydrogen peroxide.

公开(公告)号：US11472760B2

公开(公告)日：2022-10-18

申请号：US17421536

申请日：2019-01-17

Applicant: SYMRISE AG

Inventor： Tom Brunzel ,  Angela Köckritz

IPC: C07C45/34 ,  B01J23/00 ,  B01J23/44 ,  B01J23/745

Abstract: A process is proposed for preparing unsaturated macrocyclic monoketones, comprising the following steps: (a) providing macrocyclic dienes having a ring size of at least 9 carbon atoms; (b) contacting the starting materials from step (a) with (b1) a palladium(II) salt and/or a palladium(II) complex; and (b2) an oxidizing agent; and (b3) a solvent; and optionally (b4) a ligand; and optionally (b5) a co-catalyst; and optionally (b6) an acid, with the proviso that the co-catalyst (b5) comprises or consists of a divalent or trivalent iron salt which is different from FeSO4 and is preferably iron(III) nitrate.

公开(公告)号：US20220055976A1

公开(公告)日：2022-02-24

申请号：US17421536

申请日：2019-01-17

Applicant: SYMRISE AG

Inventor： Tom Brunzel ,  Angela Köckritz

IPC: C07C45/34 ,  B01J23/44 ,  B01J23/745

Abstract: A process is proposed for preparing unsaturated macrocyclic monoketones, comprising the following steps: (a) providing macrocyclic dienes having a ring size of at least 9 carbon atoms; (b) contacting the starting materials from step (a) with (b1) a palladium(II) salt and/or a palladium(II) complex; and (b2) an oxidizing agent; and (b3) a solvent; and optionally (b4) a ligand; and optionally (b5) a co-catalyst; and optionally (b6) an acid, with the proviso that the co-catalyst (b5) comprises or consists of a divalent or trivalent iron salt which is different from FeSO4 and is preferably iron(III) nitrate.

公开(公告)号：US11021426B2

公开(公告)日：2021-06-01

申请号：US16758630

申请日：2017-10-25

Applicant: Symrise AG

Inventor： Tom Brunzel ,  Angela Köckritz ,  Andreas Martin ,  Diego A. Jaime Trevino

IPC: C07C45/34 ,  B01J23/00 ,  B01J31/00 ,  B01J23/44 ,  B01J31/22 ,  C07C49/587

Abstract: A method for producing unsaturated macrocyclic monoketones comprising the following steps: (a) preparing macrocyclic dienes with a ring size of at least 9 carbon atoms; (b) contacting the starting materials from step (a) with (b1) a palladium(II) salt and/or a palladium(II) complex; and (b2) an oxidant; and (b3) a solvent; and optionally (b4) a ligand; and optionally (b5) a co-catalyst; and optionally (b6) an acid.

公开(公告)号：US12049441B2

公开(公告)日：2024-07-30

申请号：US17799506

申请日：2020-02-18

Applicant: SYMRISE AG

Inventor： Nikolas Bugdahn ,  Angela Köckritz ,  Elka Kraleva ,  Reinhard Eckelt

IPC: C07C5/31 ,  B01J29/70

CPC classification number: C07C5/31 ,  B01J29/7038 ,  C07C2529/70

Abstract: What is proposed is a continuous process for producing limonene which has the feature that beta-pinene or beta-pinene-containing starting materials are isomerized in a trickle-bed reactor in the presence of acid catalysts.

公开(公告)号：US11028033B2

公开(公告)日：2021-06-08

申请号：US16642188

申请日：2017-08-26

Applicant: SYMRISE AG

Inventor： Anna Kulik ,  Reinhard Eckelt ,  Angela Köckritz ,  Katja Neubauer

IPC: C07C45/29

Abstract: The invention relates to a method for producing terpene aldehydes and terpene ketones by oxidatively dehydrogenating the corresponding terpene alcohols, comprising or consisting of the following steps: (a) providing terpene alcohols or terpene-alcohol-containing reactants; (b) bringing the starting substances from step (a) in contact with a heterogeneous ruthenium catalyst; (c) heating the mixture from step (b) to at least 150° C. in the presence of oxygen; optionally (d) separating the terpene aldehydes or terpene ketones from the obtained reaction mixture.