公开(公告)号：US20230031599A1

公开(公告)日：2023-02-02

申请号：US17787273

申请日：2020-12-16

Applicant: Bayer Aktiengesellschaft

Inventor： Christoph SCHOTES ,  Marjorie Daniele Bernadet MASSEL ,  Matthias RIEDRICH

IPC: C07D417/14

Abstract: The present invention relates to a process for preparing [3-chloro-2-[3-[2-[1-(2-chloroacetyl)-4-piperidyl]thiazol-4-yl]-4,5-dihydroisoxazol-5-yl]phenyl] methanesulfonate.

公开(公告)号：US20220183279A1

公开(公告)日：2022-06-16

申请号：US17440075

申请日：2020-03-17

Applicant: Bayer Aktiengesellschaft

Inventor： Christoph SCHOTES ,  Jens KRAUSE ,  Martin WEISS

IPC: A01N25/22 ,  A01N43/653 ,  A01N43/56 ,  A01N25/04

Abstract: The invention relates to storage-stable prothioconazole-containing formulations with specific antioxidants and having a particularly low content of 2-(1-chlorocyclopropyl)-1-(2-chlorophenyl)-3-(1H-1,2,4-triazol-1-yl)propan-2-ol, to a process for their preparation, to a method for controlling phytopathogenic fungi in crop protection and to their use as crop protection agents.

公开(公告)号：US20210009521A1

公开(公告)日：2021-01-14

申请号：US17041907

申请日：2019-03-25

Applicant: Bayer Aktiengesellschaft

Inventor： Christoph SCHOTES ,  Dirk Eckart BROHM ,  Johannes SCHRANCK

IPC: C07D215/08 ,  B01J31/18 ,  B01J31/22 ,  B01J31/24

Abstract: The invention relates to a process for preparing optically active 4-substituted 1,2,3,4-tetrahydroquinolines comprising enantioselective hydrogenation of the corresponding 4-substituted 1,2-dihydroquinolines in presence of a chiral iridium (P,N)-ligand catalyst.

公开(公告)号：US20230398529A1

公开(公告)日：2023-12-14

申请号：US18248535

申请日：2021-10-11

Applicant: Bayer Aktiengesellschaft

Inventor： Christoph SCHOTES ,  Sébastien GOUDEDRANCE ,  Felix SPINDLER ,  Beat FUCHS

IPC: B01J31/22 ,  B01J31/18 ,  C07D221/04

CPC classification number: B01J31/2295 ,  B01J31/2217 ,  B01J31/182 ,  C07D221/04 ,  B01J2531/821 ,  B01J2531/004 ,  B01J2231/643

Abstract: The invention relates to a process for preparing optically active 2-aryl substituted 6,7-dihydro-5H-cyclopenta[b]pyridin-7-ols comprising asymmetric transfer hydrogenation of the corresponding ketones in presence of a ruthenium catalyst comprising a chiral diamine or amino alcohol ligand.

公开(公告)号：US20220324810A1

公开(公告)日：2022-10-13

申请号：US17640287

申请日：2020-09-22

Applicant: Bayer Aktiengesellschaft

Inventor： Christoph SCHOTES ,  Matthias BELLER ,  Kathrin JUNGE ,  Weiping LIU ,  Jacob SCHNEEKOENIG ,  Thomas LEISCHNER

IPC: C07D215/08

Abstract: New iridium catalysts for enantioselective hydrogenation of 4-substituted 1,2-dihydroquinolines The invention relates to a process for preparing optically active 4-substituted 1, 2, 3, 4-tetrahydroquinolines (la, lb) comprising enantioselective hydrogenation of the corresponding 4-substituted 1,2-dihydroquinolines in presence of a chiral iridium (P,N)-ligand catalyst.

公开(公告)号：US20220306583A1

公开(公告)日：2022-09-29

申请号：US17639266

申请日：2020-09-22

Applicant: Bayer Aktiengesellschaft

Inventor： Christoph SCHOTES ,  Matthias BELLER ,  Kathrin JUNGE ,  Weiping LIU ,  Jacob SCHNEEKOENIG ,  Thomas LEISCHNER

IPC: C07D215/12 ,  B01J31/22

Abstract: The invention relates to a process for preparing optically active 4-substituted 1,2,3,4-tetrahydroquinolines comprising enantioselective hydrogenation of the corresponding 4-substituted 1,2-dihydroquinolines in presence of a chiral iridium (P,N)-ligand catalyst and an additive.