Patents by Inventor Bettina ZIMMERMANN

Bettina ZIMMERMANN 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).

  • Process for preparing aryl- and heteroarylacetic acid derivatives
    Patent number: 8507688
    Abstract: The present invention relates to a process for preparing ?-arylmethylcarbonyl compound of the formula (III), characterized in that aryl- and heteroarylacetic acids and derivatives thereof of the formula (I) are reacted with ?-halomethylcarbonyl compounds of the formula (II) in the presence of a palladium catalyst, of a phosphine ligand, of an inorganic base and of a phase transfer catalyst, optionally using an organic solvent.
    Type: Grant
    Filed: January 19, 2011
    Date of Patent: August 13, 2013
    Assignee: Bayer CropScience AG
    Inventors: Thomas Himmler, Lukas J. Gooβen, Bettina Zimmermann
  • Process for Preparing Aryl- and Heteroarylacetic Acid Derivatives
    Publication number: 20110184180
    Abstract: The present invention relates to a novel process for preparing ?-arylmethylcarbonyl compound of the formula (III), characterized in that aryl- and heteroarylacetic acids and derivatives thereof of the formula (I) are reacted with ?-halomethylcarbonyl compounds of the formula (II) in the presence of a palladium catalyst, of a phosphine ligand, of an inorganic base and of a phase transfer catalyst, optionally using an organic solvent.
    Type: Application
    Filed: January 19, 2011
    Publication date: July 28, 2011
    Applicant: Bayer CropScience AG
    Inventors: Thomas HIMMLER, Lukas J. GOOBEN, Bettina ZIMMERMANN