Patents Represented by Attorney, Agent or Law Firm Wenedroth, Lind & Ponack, LLP.
  • Patent number: 6333323
    Abstract: A compound of the formula: wherein R1 is hydrogen, lower alkyl, or optionally substituted arylsulfonyl, or the like, R2 is hydrogen, lower alkyl, or optionally substituted aralklyl, or the like, R3, R4, R5, and R6 each is independently hydrogen, halogen, trihalogenated lower alkyl, or the like, X is hydroxy or optionally substituted amino, Y is COOR R is hydrogen or an ester residue), optionally substituted aryl, or optionally substituted heteroaryl, has integrase inhibition activity, and is useful as an anti-HIV drug.
    Type: Grant
    Filed: August 18, 2000
    Date of Patent: December 25, 2001
    Assignee: Shionogi & Co., Ltd.
    Inventors: Toshio Fujishita, Tomokazu Yoshinaga