Patents Represented by Attorney, Agent or Law Firm Kenneth J Meyers, Esq.
  • Process for the carbonylation of arylalkyl halides
    Patent number: 6555704
    Abstract: A method is provided for the preparation of alpha-aryl-propionic acids such as ibuprofen by carbonylating the corresponding 1-arylethyl halide in an acidic aqueous medium containing a palladium catalyst. In the preparation of ibuprofen, 1-(4′-isobutylphenyl)ethyl halide is reacted with carbon monoxide in an acidic aqueous medium containing a palladium catalyst.
    Type: Grant
    Filed: May 22, 1995
    Date of Patent: April 29, 2003
    Assignee: BASF Corporation
    Inventor: Varadaraj Elango