Patents Represented by Attorney, Agent or Law Firm Al A. Iecminek
  • Process for preparing biaryl compounds
    Patent number: 6194599
    Abstract: The present invention provides a process for preparing biaryl compounds comprising reacting an arylzinc reagent with an arylchloride in the presence of a nickel catalyst or a palladium catalyst. The present invention specifically provides a process for the preparation of 2-(4′-methylphenyl)benzonitrile comprising reacting a 4-methylphenylzinc reagent with 2-chlorobenzonitrile in the presence of a nickel catalyst or a palladium catalyst.
    Type: Grant
    Filed: April 8, 1997
    Date of Patent: February 27, 2001
    Assignee: Catalytica, Inc.
    Inventors: Joseph A. Miller, Robert P. Farrell