Patents Assigned to Valeant Research and Development
  • Quinoxaline derivatives having antiviral activity
    Patent number: 7189724
    Abstract: The invention provides substituted quinoxalines having the general formulas where R1, R2, R3, and R4 are, inter alia, alkyl, aryl, or heteroaryl groups; Z is NH or O; and X is, inter alia, COOH or CONH2. The compounds of the invention have antiviral and immunomodulatory activity and are useful for treating infectious diseases, particularly viral infections.
    Type: Grant
    Filed: April 15, 2004
    Date of Patent: March 13, 2007
    Assignee: Valeant Research and Development
    Inventors: Haoyun An, Frank Rong, Jim Wu, Clayton Harris, Suetying Chow