Patents by Inventor Sergii Pazenok

Sergii Pazenok 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).

  • METHOD FOR THE PREPARATION OF PERFLUOROALKYL CONTAINING PYRAZOLES CARBOXYLATES
    Publication number: 20150239846
    Abstract: The present invention pertains to a novel process for the preparation of Fluoroalkylpyrazole- or Bisperfluoroalkypyrazole carboxylates comprising a cyclization of Perfluoroalkyl ketoesters with hydrazines.
    Type: Application
    Filed: August 2, 2013
    Publication date: August 27, 2015
    Inventors: Sergii Pazenok, Winfried Etzel, Norbert Lui, Arnd Neeff
  • PROCEDURE FOR THE DECARBOXYLATION OF 3,5-BIS(HALOALKYL)-PYRAZOLE-4-CARBOXYLIC ACID DERIVATIVES
    Publication number: 20150225350
    Abstract: A new process for the preparation of 3,5-bis(haloalkyl)-pyrazole derivatives of the general formula (I) is described, resulting from the reaction of 3,5-bis(haloalkyl)-pyrazole-4-carboxylic acid derivatives of the general formula (Ha) with a copper compound and a base at elevated temperature wherein R1 is selected from H, C1-12-alkyl, C3-8-cycloalkyl, C6-18-aryl, C7-19-arylalkyl or C7-19-alkylaryl, CH2CN, CH2CX3, CH2COOH, CH2COO(C1-12)-alkyl, and X is independently of each other F, Cl, Br, I; R2 and R3 are selected independently of each other from C1-C6-haloalkyl.
    Type: Application
    Filed: August 28, 2013
    Publication date: August 13, 2015
    Applicants: BAYER CROPSCIENCE AG, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (CNRS)
    Inventors: Sergii Pazenok, Jean-Pierre Vors, Frédéric R. Leroux, Florence Giornal
  • CFO-containing enaminoketones and their utilization for the preparation of CFO-containing pyrazoles
    Patent number: 9096535
    Abstract: The present invention pertains to novel enaminoketones containing a CF3O-group, novel pyrazole-derivatives containing a CF3O group as well as to a novel process for their preparation comprising aminoformylation of CF3O-ketones and cyclization of the obtained CF3O-enaminoketones with hydrazines to trifluoromethoxy pyrazoles.
    Type: Grant
    Filed: February 13, 2013
    Date of Patent: August 4, 2015
    Assignees: BAYER INTELLECTUAL PROPERTY GMBH, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE
    Inventors: Sergii Pazenok, Bernard Langlois, Thierry Billard, Julien Barbion, Olivier Marrec, Jean-Pierre Vors
  • Process for Preparing Pyridyl-Substituted Pyrazoles
    Publication number: 20150191447
    Abstract: The present invention relates to a process for preparing 1-pyridyl-substituted pyrazoles, comprising the reaction of acetyleneketones with pyridylhydrazine derivatives to give 1-pyridyl-substituted dihydro-1H-pyrazoles, the further reaction thereof with elimination of water to give 1-pyridyl-substituted trihalomethylpyrazoles, and the further processing thereof.
    Type: Application
    Filed: March 23, 2015
    Publication date: July 9, 2015
    Inventors: Sergii PAZENOK, Norbert Lui, Harry Blaschke
  • Process for preparing tetrazole-substituted anthranilamide derivatives and novel crystal polymorphs of these derivatives
    Patent number: 9056861
    Abstract: The present invention relates to a process for preparing tetrazole-substituted anthranilamide derivatives of the formula (I) in which R1, R2, R3, R4, R5 and Z are each as defined in the description, and to a novel crystal polymorph of these derivatives and to the use thereof in agrochemical formulations.
    Type: Grant
    Filed: September 22, 2014
    Date of Patent: June 16, 2015
    Assignee: BAYER INTELLECTUAL PROPERTY GMBH
    Inventors: Sergii Pazenok, Norbert Lui, Frank Volz, Britta Olenik, Christian Funke, Ruediger Fischer, Oliver Gaertzen, Martin-Holger Hinz, Arnd Neeff
  • PROCESS FOR THE PREPARATION OF 5-FLUORO-1H-PYRAZOLES
    Publication number: 20150152062
    Abstract: A new process for the preparation of 5-fluoro-1H-pyrazoles of the general formula (I) is described, resulting from the reaction of an olefin of the general formula (II) with hydrazines of the formula (III) R1—NH—NH2 ??(III), wherein R1 is selected from C1-C6 alkyl, C5-C10 aryl; R2 is a trihalomethyl moiety with at least one fluorine atom; and R3 is selected from C1-C5 haloalkyl, CF3, C2F5, C3F7, CF2CF2Cl, CFClCF3, in the presence of water and a base.
    Type: Application
    Filed: July 17, 2013
    Publication date: June 4, 2015
    Inventors: Sergii Pazenok, Norbert Lui, Vadim Mikhailovich Timoshenko, Elena Ivanovna Kaminskaya, Yuriy Grigoverievich Shermolovich
  • Method for producing methylene-1,3-dioxolanes
    Patent number: 9029577
    Abstract: The present invention relates to a novel method for preparing methylene-1,3-dioxolanes of the general formula (I) in which R1 and R2 have the meanings stated in the description. Methylene-1,3-dioxolanes are important intermediates for preparing pyrazoles and anthranilic acid amides, which may be used as insecticides.
    Type: Grant
    Filed: January 30, 2013
    Date of Patent: May 12, 2015
    Assignee: Bayer Intellectual Property GmbH
    Inventors: Sergii Pazenok, Albert Schnatterer
  • PROCESS FOR PREPARING 1-ALKYL-3-FLUOROALKYL-1H-PYRAZOLE-4-CARBOXYLIC ACID CHLORIDES
    Publication number: 20150126748
    Abstract: The present invention relates to a novel method for preparing 1-alkyl-3-fluoroalkyl-1H-pyrazole-4-carbonyl chlorides, a useful precursor for the preparation of fungicides, by means of reductive dehalogenation, starting from N-alkyl-3-haloalkyl-5-halopyrazolecarbaldehyde.
    Type: Application
    Filed: May 10, 2013
    Publication date: May 7, 2015
    Inventors: Sergii Pazenok, Norbert Lui, Thomas Norbert Mueller
  • Catalytic gas phase fluorination of 1,1,2-trichloroethane and/or 1,2-dichloroethene to produce 1-chloro-2,2-difluoroethane
    Patent number: 9000242
    Abstract: The invention is directed to a catalyst for the gas phase fluorination of 1,1,2-trichloroethane and/or 1,2-dichloroethene with HF to give 1-chloro-2,2-difluoroethane which catalyst is prepared by co-depositing FeCl3 and MgCl2 on chromia-alumina, or co-depositing Cr(NO3)3 and Ni(NO3)2 on active carbon, or by doping alumina with ZnCl2, and to a process for the preparation of 1-chloro-2,2-difluoroethane comprising a catalytic gas phase fluorination of 1,1,2-trichloroethane and/or 1,2-dichloroethene wherein one of the catalysts according to claim 2 or 3 is used.
    Type: Grant
    Filed: October 11, 2012
    Date of Patent: April 7, 2015
    Assignee: Bayer Intellectual Property
    Inventors: Norbert Lui, Shanthan Rao Pamulaparthy, Srinivas Pvss, Thomas Vijaya, Sridhar Madabhushi, Rambabu Yadla, Narsaiah Banda, Sergii Pazenok
  • Process for preparing tetrazole-substituted anthranilic acid diamide derivatives by reacting benzoxazinones with amines
    Patent number: 8993751
    Abstract: The present invention relates to a process for preparing tetrazole-substituted anthranilic acid diamide derivatives of the formula (I) in which R1, R2, R3, R4, Q and Z have the meanings given in the description, by reacting benzoxazinones with amines.
    Type: Grant
    Filed: August 24, 2012
    Date of Patent: March 31, 2015
    Assignee: Bayer Intellectual Property GmbH
    Inventors: Sergii Pazenok, Werner Lindner, Hartmut Scheffel
  • Process for preparing pyridyl-substituted pyrazoles
    Patent number: 8987460
    Abstract: The present invention relates to a process for preparing 1-pyridyl-substituted pyrazoles, comprising the reaction of acetyleneketones with pyridylhydrazine derivatives to give 1-pyridyl-substituted dihydro-1H-pyrazoles, the further reaction thereof with elimination of water to give 1-pyridyl-substituted trihalomethylpyrazoles, and the further processing thereof.
    Type: Grant
    Filed: January 11, 2013
    Date of Patent: March 24, 2015
    Assignee: Bayer CropScience AG
    Inventors: Sergii Pazenok, Norbert Lui, Harry Blaschke
  • Process for preparing tetrazole-substituted anthranilamide derivatives and novel crystal polymorphs of these derivatives
    Patent number: 8969572
    Abstract: The present invention relates to a process for preparing tetrazole-substituted anthranilamide derivatives of the formula (I) in which R1, R2, R3, R4, R5 and Z are each as defined in the description, and to a novel crystal polymorph of these derivatives and to the use thereof in agrochemical formulations.
    Type: Grant
    Filed: June 14, 2011
    Date of Patent: March 3, 2015
    Assignee: Bayer Cropscience AG
    Inventors: Sergii Pazenok, Norbert Lui, Frank Volz, Britta Olenik, Christian Funke, Rüdiger Fischer, Oliver Gaertzen, Martin-Holger Hinz, Arnd Neeff
  • Process for the preparation of 5-substituted 1-alkyltetrazolyl oxime derivatives
    Patent number: 8940899
    Abstract: The present invention relates to a process for the preparation of 5-substituted 1-alkyltetrazolyl oxime derivatives.
    Type: Grant
    Filed: June 27, 2011
    Date of Patent: January 27, 2015
    Assignee: Bayer Intellectual Property GmbH
    Inventors: Christian Beier, David Bernier, Pierre-Yves Coqueron, Philippe Desbordes, Christophe Dubost, Norbert Lui, Sergii Pazenok
  • PROCESS FOR PREPARING TETRAZOLE-SUBSTITUTED ANTHRANILAMIDE DERIVATIVES AND NOVEL CRYSTAL POLYMORPHS OF THESE DERIVATIVES
    Publication number: 20150025116
    Abstract: The present invention relates to a process for preparing tetrazole-substituted anthranilamide derivatives of the formula (I) in which R1, R2, R3, R4, R5 and Z are each as defined in the description, and to a novel crystal polymorph of these derivatives and to the use thereof in agrochemical formulations.
    Type: Application
    Filed: September 22, 2014
    Publication date: January 22, 2015
    Inventors: Sergii PAZENOK, Norbert LUI, Frank VOLZ, Britta OLENIK, Christian FUNKE, Ruediger FISCHER, Oliver GAERTZEN, Martin-Holger HINZ, Arnd NEEFF
  • CF3O-CONTAINING ENAMINOKETONES AND THEIR UTILIZATION FOR THE PREPARATION OF CF3O-CONTAINING PYRAZOLES
    Publication number: 20150018561
    Abstract: The present invention pertains to novel enaminoketones containing a CF3O-group, novel pyrazole-derivatives containing a CF3O group as well as to a novel process for their preparation comprising aminoformylation of CF3O-ketones and cyclization of the obtained CF3O-enaminoketones with hydrazines to trifluoromethoxy pyrazoles.
    Type: Application
    Filed: February 13, 2013
    Publication date: January 15, 2015
    Applicants: BAYER INTELLECTUAL PROPERTY GMBH, CENTRE NATIONAL DE LA RECHERCHE SCENTIFIQUE
    Inventors: Sergii Pazenok, Bernard Langlois, Thierry Billard, Julien Barbion, Olivier Marrec, Jean-Pierre Vors
  • METHOD FOR PRODUCING 3,5-BIS(FLUOROALKYL)-PYRAZOL-4-CARBOXYLIC ACID DERIVATIVES AND 3,5-BIS(FLUOROALKYL)-PYRAZOLES
    Publication number: 20150011779
    Abstract: The present invention relates to novel 3,5-bis(fluoroalkyl)pyrazole-4-carboxylic acid derivatives and to a process for preparing 3,5-bis(fluoroalkyl)pyrazole-4-carboxylic acid derivatives and 3,5-bis(fluoroalkyl)pyrazoles.
    Type: Application
    Filed: January 31, 2013
    Publication date: January 8, 2015
    Inventors: Sergii Pazenok, Norbert Lui, Jean-Pierre Vors, Frederic R. Leroux, Florence Giornal
  • METHOD FOR PRODUCING SUBSTITUTED ANTHRANILIC ACID DERIVATIVES
    Publication number: 20150011772
    Abstract: The present invention relates to a process for preparing substituted anthranilic acid derivatives of the formula (I) in which R1, R2, R3 and R4 are each as defined in the description, by conversion of compounds of the general formula (IV) in the presence of a palladium catalyst and carbon monoxide. The present invention likewise relates to compounds of the general formula (IV).
    Type: Application
    Filed: February 6, 2013
    Publication date: January 8, 2015
    Inventors: Thomas Himmler, Sergii Pazenok, Frank Volz, Norbert Lui
  • METHOD FOR PRODUCING METHYLENE-1,3-DIOXOLANES
    Publication number: 20140378690
    Abstract: The present invention relates to a novel method for preparing methylene-1,3-dioxolanes of the general formula (1) in which R1 and R2 have the meanings stated in the description. Methylene-1,3-dioxolanes are important intermediates for preparing pyrazoles and anthranilic acid amides, which may be used as insecticides.
    Type: Application
    Filed: January 30, 2013
    Publication date: December 25, 2014
    Inventors: Sergii Pazenok, Albert Schnatterer
  • Method for producing tetrazole-substituted anthranilic acid diamide derivatives by reacting pyrazolic acids with anthranilic acid esters
    Patent number: 8916710
    Abstract: The present invention relates to a process for preparing tetrazole-substituted anthranilic acid diamide derivatives of the formula (I) in which R1, R2, R3, R4, Q and Z have the meanings given in the description, by reacting pyrazole acids with anthranilic esters.
    Type: Grant
    Filed: July 5, 2012
    Date of Patent: December 23, 2014
    Assignee: Bayer Intellectual Property GmbH
    Inventors: Sergii Pazenok, Frank Volz, Norbert Lui, Arnd Neeff, Sylvia Szywalski
  • CATALYTIC GAS PHASE FLUORINATION OF 1,1,2-TRICHLOROETHANE AND/OR 1,2-DICHLOROETHENE TO PRODUCE 1-CHLORO-2,2-DIFLUOROETHANE
    Publication number: 20140330051
    Abstract: The invention is directed to a catalyst for the gas phase fluorination of 1,1,2-trichloroethane and/or 1,2-dichloroethene with HF to give 1-chloro-2,2-difluoroethane which catalyst is prepared by co-depositing FeCl3 and MgCl2 on chromia-alumina, or co-depositing Cr(NO3)3 and Ni(NO3)2 on active carbon, or by doping alumina with ZnCl2, and to a process for the preparation of 1-chloro-2,2-difluoroethane comprising a catalytic gas phase fluorination of 1,1,2-trichloroethane and/or 1,2-dichloroethene wherein one of the catalysts according to claim 2 or 3 is used.
    Type: Application
    Filed: October 11, 2012
    Publication date: November 6, 2014
    Applicant: BAYER INTELLECTUAL PROPERTY GMBH
    Inventors: Norbert Lui, Shanthan Rao Pamulaparthy, Srinivas Pvss, Thomas Vijaya, Sridhar Madabhushi, Rambabu Yadla, Narsaiah Banda, Sergii Pazenok