公开(公告)号：US20240051907A1

公开(公告)日：2024-02-15

申请号：US18267563

申请日：2021-01-22

Applicant: SYMRISE AG

Inventor： Angela KÖCKRITZ ,  Elka KRALEVA ,  Katja NEUBAUER ,  Regina BIENERT ,  Stefan LAMBRECHT ,  Johannes PANTEN ,  Michael SEBEK ,  Bernhard RUSSBÜLDT

IPC: C07C45/29 ,  B01J31/04 ,  B01J31/02 ,  B01J31/22 ,  C07C29/56

CPC classification number: C07C45/29 ,  B01J31/04 ,  B01J31/0238 ,  B01J31/0271 ,  B01J31/2243 ,  B01J31/0208 ,  C07C29/56 ,  B01J2231/763 ,  B01J2531/845 ,  B01J2531/26 ,  B01J2231/52 ,  C07C2601/16

Abstract: Proposed is a catalyst system specifically for the rearrangement of epoxides into allyl alcohols comprising or consisting of (a) a salt of formula (I) XY (I) in which X represents Zn2+ and/or Co2+ and Y represents an anion selected from the group formed from laurate, palmitate, stearate, picolinate, glycinate, gluconate, naphthenate, 2-hexyldecanoate, 2-octyldodecanoate, cyclohexane butyrate and mixtures thereof, and (b) at least one aminophenol.

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.