Patents Assigned to Houba, Inc.
  • Process for the production of alpha-6-deoxytetracyclines
    Patent number: 5049683
    Abstract: A process for the preparation of alpha-6-deoxytetracyclines from the corresponding 6-methylenetetracyclines is described using a silica-supported heterogeneous rhodium catalyst: ##STR1## The process stereospecifically produces the alpha epimers at higher yields while using lower rhodium metal levels than prior methods.
    Type: Grant
    Filed: July 12, 1990
    Date of Patent: September 17, 1991
    Assignee: Houba, Inc.
    Inventor: George Krsek