Patents Assigned to Boehringer Ingelheim Pharamceuticals, Inc.
  • Pyrido[2,3-b][1,4]benzoxazepin (and thiazepin)-6(5H)-ones and -thiones and their use in the prevention or treatment of HIV-1 infection
    Patent number: 5547951
    Abstract: Compounds of the class of pyrido[2,3-b][1,4]benzoxazepin (and thiazepin)-6(5H)-ones and -thiones, having the following general structural formula ##STR1## wherein either X or Z is sulfur and the other substituent is oxygen or both X and Z are sulfur, which are inhibitors of HIV-1 reverse transcriptase and useful in the treatment of HIV-1 infection. An exemplary compound is 2-chloro-5-(methylthioethyl)pyrido[2,3-b][1,4]benzoxazepin-6(5H)one.
    Type: Grant
    Filed: August 17, 1994
    Date of Patent: August 20, 1996
    Assignee: Boehringer Ingelheim Pharamceuticals, Inc.
    Inventors: Karl D. Hargrave, Gunther Schmidt, deceased