Patents by Inventor Frank Duebner

Frank Duebner 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).

  • Copper-catalyzed enantioselective allylic substitution reactions
    Patent number: 6610871
    Abstract: An allylic compound is reacted with an organozinc compound Zn(R6)2 to eliminate a group (the leaving group) from the allylic compound and to add a group from the organozinc compound to it in the presence of a copper salt catalyst and a chiral organic ligand for the copper. A novel ferrocenyl compound and a novel copper complex of the ferrocenyl compound and copper are also described.
    Type: Grant
    Filed: May 3, 2001
    Date of Patent: August 26, 2003
    Assignee: Avecia Limited
    Inventors: Frank Duebner, Paul Knochel