Patents by Inventor Albert Schnatterer

Albert Schnatterer 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).

  • Patent number: 10899722
    Abstract: The present invention relates to a process for the preparation of fluoroalkylnitriles and the corresponding fluoroalkyltetrazoles starting from fluorinated carboxamides.
    Type: Grant
    Filed: February 22, 2018
    Date of Patent: January 26, 2021
    Assignee: BAYER CROPSCIENCE AKTIENGESELLSCHAFT
    Inventors: Albert Schnatterer, Jan Vermehren, Edith Beckmann, Claus-Christian Haeselhoff, Tim Hammerer, Stefan Grasser
  • Patent number: 10807955
    Abstract: Described is a process for the preparation of a N-[2-(2-pyridinyl)ethyl]carboxamide derivative of general formula (I) or a salt thereof.
    Type: Grant
    Filed: December 12, 2017
    Date of Patent: October 20, 2020
    Assignee: BAYER CROPSCIENCE AKTIENGESELLSCHAFT
    Inventors: Wahed Ahmed Moradi, Albert Schnatterer, Dietmar Bielefeldt, Rolf Gertzmann, Dirk Havekost
  • Patent number: 10781176
    Abstract: The present invention relates to novel processes for the preparation of substituted pyridyl-methylbenzamide derivatives of formula (I), in particular 2,6-dichloro-N-{[3-chloro-5-(trifluoromethyl)-2-pyridyl]methyl}benzamide (Fluopicolide), and for the catalytic hydrogenation of substituted cyanopyridine derivatives, in particular 3-chloro-2-cyano-5-trifluoromethylpyridine [=Py-CN] to the corresponding substituted 2-methylaminopyridine derivatives, in particular 2-aminomethyl-3-chloro-5-trifluoromethylpyridine [=Py-methylamine] or salts thereof in the presence of metal catalysts such as in particular palladium catalysts, catalytic modifiers and acids.
    Type: Grant
    Filed: April 26, 2016
    Date of Patent: September 22, 2020
    Assignee: BAYER CROPSCIENCE AKTIENGESELLSCHAFT
    Inventors: Wahed Ahmed Moradi, Günter Schlegel, Albert Schnatterer, Frank Volz
  • Publication number: 20200283388
    Abstract: The present invention relates to an improved process for the preparation of substituted pyridylmethyl-benzamide derivatives of formula (I), in particular 2,6-Dichloro-N-{[3-chloro-5-(trifluoromethyl)-2-pyridyl]methyl}benzamide (Fluopicolide), from substituted 2-(Aminomethyl)pyridine derivatives which are obtained by Raney-Nickel hydrogenation.
    Type: Application
    Filed: November 21, 2018
    Publication date: September 10, 2020
    Inventors: Wahed Ahmed MORADI, Albert SCHNATTERER
  • Patent number: 10647674
    Abstract: The present invention relates to novel processes for the preparation of substituted pyridyl-methylbenzamide derivatives of formula (I), in particular 2,6-dichloro-N-{[3-chloro-5-(trifluoromethyl)-2-pyridyl]methyl}benzamide (Fluopicolide), and for the catalytic hydrogenation of substituted cyanopyridine derivatives, in particular 3-chloro-2-cyano-5-trifluoromethylpyridine [=Py-CN] to the corresponding substituted 2-methylaminopyridine derivatives, in particular 2-aminomethyl-3-chloro-5-trifluoromethylpyridine [=Py-methylamine] or salts thereof in the presence of metal catalysts such as in particular palladium catalysts, catalytic modifiers and acids.
    Type: Grant
    Filed: April 26, 2016
    Date of Patent: May 12, 2020
    Assignee: BAYER CROPSCIENCE AKTIENGESELLSCHAFT
    Inventors: Wahed Ahmed Moradi, Günter Schlegel, Albert Schnatterer, Frank Volz
  • Patent number: 10577320
    Abstract: The present invention relates to novel methods for preparing cis-alkoxy-substituted spirocyclic 1-H-pyrrolidine-2,4-dione derivatives and also to novel intermediates and starting compounds, which are passed through or used in the method according to the invention.
    Type: Grant
    Filed: April 26, 2017
    Date of Patent: March 3, 2020
    Assignee: BAYER CROPSCIENCE AKTIENGESELLSCHAFT
    Inventors: Taraneh Farida, Martin Littmann, Rafael Warsitz, Michael Esser, Albert Schnatterer
  • Publication number: 20200039937
    Abstract: Described is a process for the preparation of a N-[2-(2-pyridinyl)ethyl]carboxamide derivative of general formula (I) or a salt thereof
    Type: Application
    Filed: December 12, 2017
    Publication date: February 6, 2020
    Inventors: Wahed Ahmed MORADI, Albert SCHNATTERER, Dietmar BIELEFELDT, Rolf GERTZMANN, Dirk HAVEKOST
  • Publication number: 20190375721
    Abstract: The present invention relates to a process for the preparation of fluoroalkylnitriles and the corresponding fluoroalkyltetrazoles starting from fluorinated carboxamides.
    Type: Application
    Filed: February 22, 2018
    Publication date: December 12, 2019
    Inventors: Albert SCHNATTERER, Jan VERMEHREN, Edith BECKMANN, Claus-Christian HAESELHOFF, Tim HAMMERER, Stefan GRASSER
  • Patent number: 10414730
    Abstract: The present invention relates to a novel catalytic hydrogenation of substituted 2-methyl cyanopyridyl derivatives, in particular 3-chloro-5-(trifluoromethyl)pyridin-2-yl]acetonitrile [=Py-CN] to substituted 2-ethylaminopyridine derivatives, in particular 2-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]ethanamine [=Py-ethanamine] or salts thereof in the presence of metal catalysts, in particular palladium catalysts.
    Type: Grant
    Filed: May 2, 2018
    Date of Patent: September 17, 2019
    Assignee: BAYER CROPSCIENCE AKTIENGESELLSCHAFT
    Inventors: Wahed Ahmed Moradi, Thomas Himmler, Thomas Norbert Müller, Albert Schnatterer, Günter Schlegel
  • Publication number: 20190225590
    Abstract: The present invention relates to a method for preparing fluoroalkylnitriles and the corresponding fluoroalkyltetrazoles by reacting fluorinated carboxamides with phosphorus trichloride (PCl3) or phosphorus oxychloride (POCl3) in the presence of a base.
    Type: Application
    Filed: July 20, 2017
    Publication date: July 25, 2019
    Applicant: Bayer CropScience Aktiengesellschaft
    Inventors: Claus-Christian HAESELHOFF, Albert SCHNATTERER, Jan VERMEHREN
  • Publication number: 20190144385
    Abstract: The present invention relates to novel methods for preparing cis-alkoxy-substituted spirocyclic 1-H-pyrrolidine-2,4-dione derivatives and also to novel intermediates and starting compounds, which are passed through or used in the method according to the invention.
    Type: Application
    Filed: April 26, 2017
    Publication date: May 16, 2019
    Inventors: Taraneh FARIDA, Martin LITTMANN, Rafael WARSITZ, Michael ESSER, Albert SCHNATTERER
  • Publication number: 20180297952
    Abstract: The present invention relates to novel processes for the preparation of substituted pyridyl-methylbenzamide derivatives of formula (I), in particular 2,6-dichloro-N-{[3-chloro-5-(trifluoromethyl)-2-pyridyl]methyl}benzamide (Fluopicolide), and for the catalytic hydrogenation of substituted cyanopyridine derivatives, in particular 3-chloro-2-cyano-5-trifluoromethylpyridine [=Py-CN] to the corresponding substituted 2-methylaminopyridine derivatives, in particular 2-aminomethyl-3-chloro-5-trifluoromethylpyridine [=Py-methylamine] or salts thereof in the presence of metal catalysts such as in particular palladium catalysts, catalytic modifiers and acids.
    Type: Application
    Filed: April 26, 2016
    Publication date: October 18, 2018
    Inventors: Wahed Ahmed MORADI, Günter SCHLEGEL, Albert SCHNATTERER, Frank VOLZ
  • Publication number: 20180244621
    Abstract: The present invention relates to a novel catalytic hydrogenation of substituted 2-methyl cyanopyridyl derivatives, in particular 3-chloro-5-(trifluoromethyl)pyridin-2-yl]acetonitrile [=Py-CN] to substituted 2-ethylaminopyridine derivatives, in particular 2-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]ethanamine [=Py-ethanamine] or salts thereof in the presence of metal catalysts, in particular palladium catalysts.
    Type: Application
    Filed: May 2, 2018
    Publication date: August 30, 2018
    Inventors: Wahed Ahmed Moradi, Thomas Himmler, Thomas Norbert Müller, Albert Schnatterer, Günter Schlegel
  • Patent number: 9988353
    Abstract: The present invention relates to a novel catalytic hydrogenation of substituted 2-methyl cyanopyridyl derivatives, in particular 3-chloro-5-(trifluoromethyl)pyridin-2-yl]acetonitrile [=Py-CN] to substituted 2-ethylaminopyridine derivatives, in particular 2-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]ethanamine [=Py-ethanamine] or salts thereof in the presence of metal catalysts, in particular palladium catalysts.
    Type: Grant
    Filed: November 11, 2014
    Date of Patent: June 5, 2018
    Assignee: BAYER CROPSCIENCE AKTIENGESELLSCHAFT
    Inventors: Wahed Ahmed Moradi, Thomas Himmler, Thomas Norbert Mueller, Albert Schnatterer, Guenter Schlegel
  • Patent number: 9890120
    Abstract: A process for preparing N-[(6-chloropyridin-3-yl)methyl]-2,2-difluoroethan-1-amine of formula (III) wherein 2,2-difluoroethylamine of formula (I) is reacted with a halide of formula (II) in the presence of a hydroxide of an alkali metal or alkaline earth metal.
    Type: Grant
    Filed: March 18, 2015
    Date of Patent: February 13, 2018
    Assignee: BAYER CROPSCIENCE AKTIENGESELLSCHAFT
    Inventors: Wahed Ahmed Moradi, Guenter Schlegel, Albert Schnatterer
  • Publication number: 20170081284
    Abstract: A process for preparing N-[(6-chloropyridin-3-yl)methyl]-2,2-difluoroethan-1-amine of formula (III) wherein 2,2-difluoroethylamine of formula (I) is reacted with a halide of formula (II) in the presence of a hydroxide of an alkali metal or alkaline earth metal.
    Type: Application
    Filed: March 18, 2015
    Publication date: March 23, 2017
    Applicant: BAYER CROPSCIENCE AKTIENGESELLSCHAFT
    Inventors: Wahed Ahmed MORADI, Guenter SCHLEGEL, Albert SCHNATTERER
  • Patent number: 9464038
    Abstract: Method for preparing certain oximes and oxime O-methyl ethers by reacting poorly water-soluble carbonyl compounds with salts of hydroxylamine or hydroxylamine O-methyl ether or the free base of hydroxylamine in the presence of certain phosphoric esters or salts thereof of the formula (I) wherein R1, R2 and X are defined as specified in the description.
    Type: Grant
    Filed: May 20, 2014
    Date of Patent: October 11, 2016
    Assignee: BAYER CROPSCIENCE AKTIENGESELLSCHAFT
    Inventors: Albert Schnatterer, Dieter Heinz, Martin Littmann, Ulrich Philipp, Juergen Ludwig, Constantin Frerick, Michael Barz
  • Publication number: 20160280648
    Abstract: The present invention relates to a novel catalytic hydrogenation of substituted 2-methyl cyanopyridyl derivatives, in particular 3-chloro-5-(trifluorometyl)pyridin-2-yl]acetonitrile [=Py-CN] to substituted 2-ethylaminopyridine derivatives, in particular 2-[3-chloro-5-(trifluorometyl)pyridin-2-yl]ethanamine [=Py-ethanamine] or salts thereof in the presence of metal catalysts, in particular palladium catalysts.
    Type: Application
    Filed: November 11, 2014
    Publication date: September 29, 2016
    Inventors: Wahed Ahmed MORADI, Thomas HIMMLER, Thomas Norbert MUELLER, Albert SCHNATTERER, Guenter SCHLEGEL
  • Patent number: 9376389
    Abstract: A method for preparing a 2,2-difluoroethylamine of the formula (III) in which 2,2-difluoroethylamine of the formula (I) is reacted with a halide of the formula (II) in the presence of a tertiary nitrogen base: where, in the formulae (II) and (III), Hal and A are defined as stated in the description.
    Type: Grant
    Filed: June 24, 2013
    Date of Patent: June 28, 2016
    Assignee: Bayer Cropscience AG
    Inventors: Christian Funke, Norbert Lui, Rafael Warsitz, Albert Schnatterer
  • Publication number: 20160107986
    Abstract: Method for preparing certain oximes and oxime O-methyl ethers by reacting poorly water-soluble carbonyl compounds with salts of hydroxylamine or hydroxylamine O-methyl ether or the free base of hydroxylamine in the presence of certain phosphoric esters or salts thereof of the formula (I) wherein R1, R2 and X are defined as specified in the description.
    Type: Application
    Filed: May 20, 2014
    Publication date: April 21, 2016
    Inventors: Albert SCHNATTERER, Dieter HEINZ, Martin LITTMANN, Ulrich PHILIPP, Juergen LUDWIG, Constantin FRERICK, Michael BARZ