Patents Assigned to Plurichenue Anstalt
  • New process for the preparation of alpha-6-deoxy-5-hydroxytetracycline
    Patent number: 4877559
    Abstract: A homogenous hydrogenation process of preparing 6-demethyl-6-deoxy-6 methylene-5-hydroxytetracycline using a stereospecific tertiary phosphine-hydrozino-rhodium complex catalyst.
    Type: Grant
    Filed: October 27, 1986
    Date of Patent: October 31, 1989
    Assignee: Plurichenue Anstalt
    Inventors: Philip R. Page, Ivan Villax