Patents Assigned to Boehringer Ingelheim, Ltd.
  • Patent number: 6841566
    Abstract: An isomer, enantiomer, diastereoisomer, or tautomer of a compound, represented by formula I: wherein R1 is selected from: H, haloalkyl, (C1-6)alkyl, (C2-6)alkenyl, (C3-7)cycloalkyl, (C2-6)alkynyl, (C5-7)cycloalkenyl, 6 or 10-membered aryl, Het all optionally substituted; R2 is selected from (C1-6)alkyl, (C3-7)cycloalkyl, (C6-10)bicycloalkyl, 6- or 10-membered aryl, or Het all optionally substituted; B is N or CR5, wherein R5 is H, halogen, haloalkyl, (C1-6)alkyl, (C3-7)cycloalkyl or (C1-6)alkyl-(C3-7)cycloalkyl; X is N or CR5; D is N or CR5; each of Y1 and Y2 is independently O or S; Z is O, N, or NRZ wherein RZ is H, (C1-6)alkyl, (C3-7)cycloalkyl or (C1-6)alkyl-(C3-7)cycloalkyl; R3 and R4 are each independently H, (C1-6)alkyl, first (C3-7)cycloalkyl or 6- or 10-membered aryl, Het (C1-6)alkyl-6- or 10-membered aryl, (C1-6)alkyl-Het; or each R3 and R4 are independently covalently bonded together to form second (C3-7)cycloalkyl, or heterocycle, all optionally substituted; or when Z is N, either R3 or R4
    Type: Grant
    Filed: July 18, 2002
    Date of Patent: January 11, 2005
    Assignee: Boehringer Ingelheim, Ltd.
    Inventors: Pierre Louis Beaulieu, Gulrez Fazal, Sylvie Goulet, George Kukolj, Martin Poirier, Youla S. Tsantrizos
  • Patent number: 6291640
    Abstract: A compound of formula (I) is disclosed: wherein X, z, W, Y, R1 through R5, m and n are as define herein. These compounds are peptidomimetic inhibitors of human cytomegalovirus (HCMV) protease and are useful for the treatment of human cytomegalovirus infection.
    Type: Grant
    Filed: October 19, 1998
    Date of Patent: September 18, 2001
    Assignee: Boehringer Ingelheim Ltd.
    Inventors: Murray D. Bailey, Gulrez Fazal, Pierre Lavallee, William Ogilvie, Marc-Andre Poupart
  • Patent number: 6288091
    Abstract: This invention relates to methods for inhibiting herpes replication and for treating herpes infection in a mammal by inhibiting the herpes helicase-primase enzyme complex.
    Type: Grant
    Filed: July 30, 1999
    Date of Patent: September 11, 2001
    Assignees: Boehringer Ingelheim Ltd., Boehringer Ingelheim Pharm. Inc.
    Inventors: J. James Crute, Anne-Marie Faucher, Christine Grygon, Karl D. Hargrave, Bruno Simoneau, Bounkham Thavonekham
  • Patent number: 4725597
    Abstract: Compounds of the formula ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, and R.sub.6 are independently hydrogen, alkyl of 1 to 4 carbon atoms, hydroxyl, alkoxy of 1 to 4 carbon atoms, alkanoyloxy of 1 to 4 carbon atoms, halogen, trihalomethyl, di(lower alkyl of 1 to 4 carbon atoms)amino, (alkoxy of 1 to 4 carbon atoms)carbonyl, nitro, cyano or alkanoyl of 1 to 3 carbon atoms;R.sub.7 and R.sub.8 are independently hydrogen, methyl, hydroxyl, carboxyl, (alkoxy of 1 to 4 carbon atoms)carbonyl, hydroxymethyl, phenyl, or p-chlorophenyl;R.sub.9 and R.sub.10 are independently hydrogen or methyl;j and k are independently 0, 1, 2, or 3, their sum being no more than 4;m and n are independently 0, 1, 2, or 3, their sum being no more than 4;A is --CH.sub.2 -- or --CH.sub.2 --CH.sub.2 --;R.sub.7 and R.sub.9 together are oxo, provided k is other than o;R.sub.8 and R.sub.10 together are oxo, provided m is other than o;R.sub.11 and R.sub.
    Type: Grant
    Filed: September 24, 1984
    Date of Patent: February 16, 1988
    Assignee: Boehringer Ingelheim Ltd.
    Inventors: John P. Devlin, Daniel W. McNeil, James J. Keirns, Edward L. Barsumian
  • Patent number: 4359468
    Abstract: Compounds of the formula ##STR1## wherein R.sub.1 is hydrogen, halogen or methoxy;R.sub.2 is hydrogen or lower alkyl;R.sub.3 is hydrogen or lower alkyl;R.sub.4 is hydrogen, lower alkyl or alkenyl of 3 carbon atoms; andn is 2 to 6;and non-toxic, pharmacologically acceptable acid addition salts thereof. The compounds as well as their salts are useful as antiallergics and hypotensives.
    Type: Grant
    Filed: February 25, 1981
    Date of Patent: November 16, 1982
    Assignee: Boehringer Ingelheim Ltd.
    Inventors: Kurt Freter, Victor Fuchs, James T. Oliver