Patents by Inventor Cornelia Fuchs

Cornelia Fuchs 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).

  • Shortened synthesis using paraformaldehyde or trioxane
    Patent number: 8115028
    Abstract: The present disclosure relates to a process for the preparation of a compound of formula (I) wherein R is hydrogen, a formyl group, a straight, branched or cyclic C1-C6 alkylcarbonyl group or a phenylcarbonyl group, or a salt thereof, characterized by the steps of reacting a compound of formula (II) with a mixture of Grignard initiator and Mg in a solvent to form a Grignard reagent, reacting the Grignard reagent with paraformaldehyde or trioxane to obtain a compound of formula (III) and then further reacting the compound of formula (III) in a known manner to obtain a compound of formula (I) and optionally salt formation.
    Type: Grant
    Filed: June 5, 2007
    Date of Patent: February 14, 2012
    Inventors: Seth C. Ennis, Cornelia Fuchs, Ralf Kanzler, Dean A. Johnson
  • SHORTENED SYNTHESIS USING PARAFORMALDEHYDE OR TRIOXANE
    Publication number: 20100292499
    Abstract: The present disclosure relates to a process for the preparation of a compound of formula (I) wherein R is hydrogen, a formyl group, a straight, branched or cyclic C1-C6 alkylcarbonyl group or a phenylcarbonyl group, or a salt thereof, characterized by the steps of reacting a compound of formula (II) with a mixture of Grignard initiator and Mg in a solvent to form a Grignard reagent, reacting the Grignard reagent with paraformaldehyde or trioxane to obtain a compound of formula (III) and then further reacting the compound of formula (III) in a known manner to obtain a compound of formula (I) and optionally salt formation.
    Type: Application
    Filed: June 5, 2007
    Publication date: November 18, 2010
    Applicant: SCHWARZ PHARMA LTD.
    Inventors: Seth C. Ennis, Cornelia Fuchs, Ralf Kanzler, Dean A. Johnson