Patents by Inventor Cartsen Reichel

Cartsen Reichel 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 aminocrotonylamino-substituted quinazoline derivatives
    Patent number: 8188274
    Abstract: The invention relates to an improved process for preparing aminocrotonylamino-substituted quinazoline derivatives of general formula (I) wherein the groups Ra, Rb, Rc and Rd have the meanings given in the claims, as well as sulphonyl derivatives of formula and the use thereof as synthesis components for preparing quinazolines of formula (I). The quinazoline derivatives of formula (I) are inhibitors of signal transduction mediated by tyrosinekinases and by the Epidermal Growth Factor-Receptor (EGF-R) and are therefore particularly suitable for the treatment of tumoral diseases.
    Type: Grant
    Filed: May 5, 2011
    Date of Patent: May 29, 2012
    Assignee: Boehringer Ingelheim International GmbH
    Inventors: Juergen Schroeder, Georg Dziewas, Thomas Fachinger, Burkhard Jaeger, Cartsen Reichel, Svenja Renner
  • Process for preparing aminocrotonylamino-substituted quinazoline derivatives
    Publication number: 20110207929
    Abstract: The invention relates to an improved process for preparing aminocrotonylamino-substituted quinazoline derivatives of general formula (I) wherein the groups Ra, Rb, Rc and Rd have the meanings given in the claims, as well as sulphonyl derivatives of formula and the use thereof as synthesis components for preparing quinazolines of formula (I). The quinazoline derivatives of formula (I) are inhibitors of signal transduction mediated by tyrosinekinases and by the Epidermal Growth Factor-Receptor (EGF-R) and are therefore particularly suitable for the treatment of tumoral diseases.
    Type: Application
    Filed: May 5, 2011
    Publication date: August 25, 2011
    Applicant: Boehringer Ingelheim International GmbH
    Inventors: Juergen SCHROEDER, Georg DZIEWAS, Thomas FACHINGER, Burkhard JAEGER, Cartsen REICHEL, Svenja RENNER