Patents by Inventor Christoph SCHOTES

Christoph SCHOTES has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • ASYMMETRIC TRANSFER HYDROGENATION OF 2-ARYL SUBSTITUTED BICYCLIC PYRIDINE KETONES IN PRESENCE OF A CHIRAL RUTHENIUM CATALYST
    Publication number: 20230398529
    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.
    Type: Application
    Filed: October 11, 2021
    Publication date: December 14, 2023
    Inventors: Christoph SCHOTES, Sébastien GOUDEDRANCE, Felix SPINDLER, Beat FUCHS
  • PROCESS FOR PREPARING [3-CHLORO-2-[3-[2-[1-(2-CHLOROACETYL)-4-PIPERIDYL]THIAZOL-4-YL]-4,5-DIHYDROISOXAZOL-5-YL]PHENYL] METHANESULFONATE
    Publication number: 20230031599
    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.
    Type: Application
    Filed: December 16, 2020
    Publication date: February 2, 2023
    Inventors: Christoph SCHOTES, Marjorie Daniele Bernadet MASSEL, Matthias RIEDRICH
  • PROCESS COMPRISING THE USE OF NEW IRIDIUM CATALYSTS FOR ENANTIOSELECTIVE HYDROGENATION OF 4-SUBSTITUTED 1,2-DIHYDROQUINOLINES
    Publication number: 20220324810
    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.
    Type: Application
    Filed: September 22, 2020
    Publication date: October 13, 2022
    Inventors: Christoph SCHOTES, Matthias BELLER, Kathrin JUNGE, Weiping LIU, Jacob SCHNEEKOENIG, Thomas LEISCHNER
  • IMPROVED ENANTIOSELECTIVE HYDROGENATION OF 4-SUBSTITUTED 1,2-DIHYDROQUINOLINES IN PRESENCE OF A CHIRAL IRIDIUM CATALYST AND AN ADDITIVE
    Publication number: 20220306583
    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.
    Type: Application
    Filed: September 22, 2020
    Publication date: September 29, 2022
    Inventors: Christoph SCHOTES, Matthias BELLER, Kathrin JUNGE, Weiping LIU, Jacob SCHNEEKOENIG, Thomas LEISCHNER
  • STABILIZED THIOKETONE FORMULATIONS
    Publication number: 20220183279
    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.
    Type: Application
    Filed: March 17, 2020
    Publication date: June 16, 2022
    Inventors: Christoph SCHOTES, Jens KRAUSE, Martin WEISS
  • Preparation method for tricyclic compounds
    Patent number: 10981888
    Abstract: Methods for preparing compounds of formula (I) Wherein R1 to R5 and A1 to A4 are as defined in the application.
    Type: Grant
    Filed: December 4, 2017
    Date of Patent: April 20, 2021
    Assignee: Bayer CropScience Aktiengesellschaft
    Inventors: Florian Erver, Frank Memmel, Alexander Arlt, Werner Hallenbach, Tobias Harschneck, Christoph Schotes, Robert Velten
  • ENANTIOSELECTIVE HYDROGENATION OF 4-SUBSTITUTED 1,2-DIHYDROQUINOLINES IN PRESENCE OF A CHIRAL IRIDIUM CATALYST
    Publication number: 20210009521
    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.
    Type: Application
    Filed: March 25, 2019
    Publication date: January 14, 2021
    Applicant: Bayer Aktiengesellschaft
    Inventors: Christoph SCHOTES, Dirk Eckart BROHM, Johannes SCHRANCK
  • Method for producing cyclopropyl-substituted acetophenones
    Patent number: 10633321
    Abstract: A method is described for preparing cyclopropyl-substituted acetophenones of the general formula (I).
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: April 28, 2020
    Assignee: Bayer CropScience Aktiengesellschaft
    Inventor: Christoph Schotes
  • METHOD FOR PRODUCING CYCLOPROPYL-SUBSTITUTED ACETOPHENONES
    Publication number: 20200002259
    Abstract: A method is described for preparing cyclopropyl-substituted acetophenones of the general formula (I).
    Type: Application
    Filed: September 29, 2017
    Publication date: January 2, 2020
    Applicant: Bayer CropScience Aktiengesellschaft
    Inventor: Christoph SCHOTES
  • PREPARATION METHOD FOR TRICYCLIC COMPOUNDS
    Publication number: 20190315707
    Abstract: Methods for preparing compounds of formula (I) Wherein R1 to R5 and A1 to A4 are as defined in the application.
    Type: Application
    Filed: December 4, 2017
    Publication date: October 17, 2019
    Inventors: Florian ERVER, Frank MEMMEL, Alexander ARLT, Werner HALLENBACH, Tobias HARSCHNECK, Christoph SCHOTES, Robert VELTEN
  • Method for synthesizing 2-alkyl-4-trifluoromethyl-3-alkylsulfonylbenzoic acids
    Patent number: 10435352
    Abstract: A process for preparing 2-alkyl-4-trifluoromethyl-3-alkylsulfonylbenzoic acids of the formula (I) is described. Here, the substituents are radicals such as alkyl and substituted phenyl.
    Type: Grant
    Filed: October 21, 2016
    Date of Patent: October 8, 2019
    Assignee: Bayer CropScience Aktiengesellschaft
    Inventors: Christian Funke, Thomas Himmler, Sergii Pazenok, Christoph Schotes, Matthias Beller, Thomas Schareina, Alexander Zapf
  • Process for the preparation of 2-alkyl-4-trifluoromethyl-3-alkylsulphonylbenzoic acids by chemoselective thioether oxidation
    Patent number: 10252990
    Abstract: A process for the preparation of 2-alkyl-4-trifluoromethyl-3-alkylsulfonylbenzoic acids of the formula (I) is described. Herein, the substituents are radicals such as alkyl and substituted phenyl.
    Type: Grant
    Filed: November 28, 2016
    Date of Patent: April 9, 2019
    Assignee: BAYER CROPSCIENCE AKTIENGESELLSCHAFT
    Inventors: Christoph Schotes, Christoph Sämann
  • Process for the preparation of 2-alkyl-4-trifluoromethyl-3-alkylsulphonylbenzoic acids by chemoselective thioether oxidation
    Publication number: 20180354898
    Abstract: A process for the preparation of 2-alkyl-4-trifluoromethyl-3-alkylsulfonylbenzoic acids of the formula (I) is described. Herein, the substituents are radicals such as alkyl and substituted phenyl.
    Type: Application
    Filed: November 28, 2016
    Publication date: December 13, 2018
    Inventors: Christoph SCHOTES, Christoph SÄMANN
  • METHOD FOR SYNTHESIZING 2-ALKYL-4-TRIFLUOROMETHYL-3-ALKYLSULFONYLBENZOIC ACIDS
    Publication number: 20180305302
    Abstract: A process for preparing 2-alkyl-4-trifluoromethyl-3-alkylsulfonylbenzoic acids of the formula (I) is described. Here, the substituents are radicals such as alkyl and substituted phenyl.
    Type: Application
    Filed: October 21, 2016
    Publication date: October 25, 2018
    Applicant: Bayer CropScience Aktiengesellschaft
    Inventors: Christian FUNKE, Thomas HIMMLER, Sergii PAZENOK, Christoph SCHOTES, Matthias BELLER, Thomas SCHAREINA, Alexander ZAPF