Patents by Inventor William Roland Perrault

William Roland Perrault 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).

  • Preparation of Optically Pure Beta-Amino Acids Having Affinity for the Alpha-Delta Protein
    Publication number: 20080194841
    Abstract: Disclosed are materials and methods for preparing optically active ?-amino acids, which bind to the alpha-2-delta subunit of a calcium channel and are useful for treating pain, fibromyalgia, and a variety of psychiatric and sleep disorders. The method includes reacting a chiral allyl amine with a 2-alkynoate in the presence of a Lewis acid and a base to give a chiral tertiary enamine, which after reaction with ammonia, is hydrogenated to give optically active ?-amino acids.
    Type: Application
    Filed: March 13, 2006
    Publication date: August 14, 2008
    Inventors: Paul Matthew Herrinton, William Roland Perrault, Thaddeus S. Franczyk