Patents Assigned to Boehringer Ingelheim Limited
  • Substituted phenylalkyl-(piperazinyl or homopiperazinyl)alkyl thiols and thiocarbamates useful for the treatment of immunological, inflammatory, and allergic disorders
    Patent number: 4722926
    Abstract: Compounds of the formula ##STR1## wherein R is hydrogen or ##STR2## A is alkyl of 1 to 8 carbon atoms; cycloalkyl of 3 to 7 carbon atoms; phenyl; or phenyl mono-, di- or tri-substituted independently with alkyl of 1 to 4 carbon atoms, halogen, trihalomethyl, alkoxy of 1 to 3 carbon atoms, carboxylic acyl of 1 to 3 carbon atoms, carboxyl, (alkoxy of 1 to 3 carbon atoms)carbonyl, nitro, cyano or di(alkyl of 1 to 3 carbon atoms)amino;R.sub.1, R.sub.2 and R.sub.3, are independently hydrogen, halogen, alkyl of 1 to 4 carbon atoms, trihalomethyl, nitro, cyano, di(alkyl of 1 to 4 carbon atoms)amino, (alkoxy of 1 to 4 carbon atoms)carbonyl, alkoxy of 1 to 4 carbon atoms or hydroxyl;R.sub.4 and R.sub.5 are independently hydrogen, alkyl of 1 to 4 carbon atoms, or phenyl;R.sub.6, R.sub.7, R.sub.8 and R.sub.9 are independently hydrogen or methyl;Y is --CH.sub.2 -- or --CH.sub.2 --CH.sub.
    Type: Grant
    Filed: July 23, 1986
    Date of Patent: February 2, 1988
    Assignee: Boehringer Ingelheim Limited
    Inventors: Karl D. Hargrave, John P. Devlin, Edward A. Barsumian
  • Substituted phenylalkyl-(piperazinyl or homopiperazinyl)alkyl-thiols and -thiocarbamates useful for the treatment of immunological, inflammatory, and allergic disorders
    Patent number: 4618677
    Abstract: Compounds of the formula ##STR1## wherein R is hydrogen or ##STR2## A is alkyl of 1 to 8 carbon atoms; cycloalkyl of 3 to 7 carbon atoms; phenyl; or phenyl mono-, di- or tri-substituted independently with alkyl of 1 to 4 carbon atoms, halogen, trihalomethyl, alkoxy of 1 to 3 carbon atoms, carboxylic acyl of 1 to 3 carbon atoms, carboxyl, (alkoxy of 1 to 3 carbon atoms)carbonyl, nitro, cyano or di(alkyl of 1 to 3 carbon atoms)amino;R.sub.1, R.sub.2 and R.sub.3, are independently hydrogen, halogen, alkyl of 1 to 4 carbon atoms, trihalomethyl, nitro, cyano, di(alkyl of 1 to 4 carbon atoms)amino, (alkoxy of 1 to 4 carbon atoms)carbonyl, alkoxy of 1 to 4 carbon atoms or hydroxyl;R.sub.4 and R.sub.5 are independently hydrogen, alkyl of 1 to 4 carbon atoms, or phenyl;R.sub.6, R.sub.7, R.sub.8 and R.sub.9 are independently hydrogen or methyl;Y is --CH.sub.2 -- or --CH.sub.2 --CH.sub.
    Type: Grant
    Filed: November 5, 1984
    Date of Patent: October 21, 1986
    Assignee: Boehringer Ingelheim Limited
    Inventors: Karl D. Hargrave, John P. Devlin, Edward A. Barsumian