Patents by Inventor Elisabeth Öhler

Elisabeth Öhler 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).

  • Method for producing epothilone B and derivatives, and intermediate products for this method
    Patent number: 6605726
    Abstract: The invention relates to a method for producing epothilone B and derivatives, and to intermediate products for this method. According to the novel method, the epothilone B or derivatives are produced in high yields from the C1-C6, C7-C10 and C11-C20-fragments 2, 3 and 4 that can be obtained economically and diastereomerically purely (the variable radicals having the meanings given in the description ).
    Type: Grant
    Filed: June 1, 2001
    Date of Patent: August 12, 2003
    Assignee: Schering AG
    Inventors: Johann Mulzer, Andreas Mantoulidis, Elisabeth Öhler
  • Thiazole derivatives, method for their production and use
    Patent number: 6384230
    Abstract: Thiazole derivatives of formula II, in which R1 means C1-C4 alkyl, R2 means any protective group that can be chelated, R3 means hydrogen or C1-C4 alkyl, Y means CO2R4, CHO, CH—CH2 or CH2R5, whereby R4 stands for C1-C4 alkyl and an optionally substituted benzyl group, R5 stands for halogen, hydroxy, p-toluenesulfonate and —OSO2B and B stands for C1-C4 alkyl or C1-C4 perfluoroalkyl, can be produced free of diastereomers and are suitable for the production of epothilone A and epothilone B and derivatives thereof.
    Type: Grant
    Filed: June 14, 2000
    Date of Patent: May 7, 2002
    Assignee: Schering Aktiengesellschaft
    Inventors: Johann Mulzer, Anreas Mantoulidis, Elisabeth Oehler