Patents by Inventor Henrius Leonardus Marie Elsenberg

Henrius Leonardus Marie Elsenberg 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).

  • Process for the Preparation of a Diastereomerically Enriched Compound
    Publication number: 20080167500
    Abstract: The present invention relates to a process for the preparation of a diastereomerically enriched compound, wherein a first compound according to formula (I), is contacted with a second compound according to formula (II), to form a third compound according to formula (III), whereby the compound according to formula (III) is subsequently reduced and thereby converted into a compound according to formula (IV), in which formulas: R1=a cycloalkyl group whereby R1 # R2, R2=a substituted or unsubstituted: (cyclo)alkyl group, (cyclo)alkenyl group, aryl group, cyclic or acyclic heteroalkyl group or heteroaryl group, R3=an alkyl group, R4=a substituted or unsubstituted: phenyl- or naphthyl-group, *=a chiral center. The invention furthermore relates to a diastereomerically enriched compound according to formula (IV) and its use in the preparation of pharmaceutical and agrochemically active compounds.
    Type: Application
    Filed: July 20, 2005
    Publication date: July 10, 2008
    Applicant: DSM IP ASSETS B.V.
    Inventors: Quirinus Bernardus Broxterman, Ben De Lange, Henrius Leonardus Marie Elsenberg, Matthias Weber