Patents by Inventor Volkhard Austel

Volkhard Austel has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4656171
    Abstract: Compounds of the formula ##STR1## wherein A, B, C and D are each independently --N.dbd. or --CH.dbd., provided, however, that at least two of them must be --N.dbd., and when A and C are both --N.dbd., at least one or both of B and D must be --N.dbd.; andR.sub.1, R.sub.2 and R.sub.3 are substituents of diverse types;tautomers thereof; and non-toxic, pharmacologically acceptable acid addition salts thereof. The compounds are useful as cardiotonics.
    Type: Grant
    Filed: November 27, 1984
    Date of Patent: April 7, 1987
    Assignee: Dr. Karl Thomae GmbH
    Inventors: Volkhard Austel, Norbert Hauel, Joachim Heider, Manfred Reiffen, Jacobus C. A. Van Meel, Willi Diederen
  • Patent number: 4616011
    Abstract: This invention relates to novel indole derivatives of the formula ##STR1## wherein A represents a --CH.sub.2 --CH.sub.2 --, --CH.dbd.CH--, ##STR2## group and B represents a methylene, carbonyl, or thiocarbonyl group or A represents a --CO--CO-- or ##STR3## group and B represents a methylene group, E represents an alkylene group or a 2-hydroxy-n-propylene, 2-hydroxy-n-butylene, or 3-hydroxy-n-butylene group,G represents an alkylene group,R.sub.1 represents a hydrogen, chlorine, or bromine atom or a trifluoromethyl, nitro, amino, alkylamino, dialkylamino, alkyl, hydroxyl, alkoxy, or phenylalkoxy group,R.sub.2 represents a hydrogen, chlorine, or bromine atom or a hydroxyl, alkoxy, phenylalkoxy, or alkyl group orR.sub.1 and R.sub.2 together represent an alkylenedioxy group,R.sub.3 represents a hydrogen, chlorine, or bromine atom or an alkyl group,R.sub.4 represents a hydrogen atom or an alkyl or phenylalkyl group,R.sub.
    Type: Grant
    Filed: November 26, 1984
    Date of Patent: October 7, 1986
    Assignee: Dr. Karl Thomae GmbH
    Inventors: Manfred Reiffen, Joachim Heider, Volkhard Austel, Norbert Hauel, Walter Kobinger, Christian Lillie
  • Patent number: 4616018
    Abstract: Compounds of the formula ##STR1## wherein R.sub.1 is hydrogen; alkyl of 1 to 7 carbon atoms; cycloalkyl of 3 to 7 carbon atoms; monosubstituted alkyl of 1 to 3 carbon atoms, where the substituent is pyridyl, methylpyridyl, phenyl, mono-, di- or trisubstituted phenyl, where the substituents on the phenyl ring, which may be identical to or different from each other, are selected from the group consisting of one amino, one dimethylamino, one to two hydroxyls, one to three methoxys and one to three halogens; .omega.-monosubstituted alkyl of 2 to 4 carbon atoms, where the substituent is hydroxyl or di(alkyl of 1 to 3 carbon atoms)amino; phenyl; monohalo-phenyl; unsubstituted or monosubstituted straight or branched alkanoyl of 1 to 6 carbon atoms, where the substituent is phenyl, methoxyphenyl or cycloalkyl of 3 to 7 carbon atoms; or unsubstituted or monosubstituted phenylsulfonyl, where the substituent is methyl or methoxy; and,R.sub.
    Type: Grant
    Filed: June 27, 1985
    Date of Patent: October 7, 1986
    Assignee: Karl Thomae GmbH
    Inventors: Norbert Hauel, Volkhard Austel, Joachim Heider, Manfred Reiffen, Willi Diederen, Walter Haarman
  • Patent number: 4604389
    Abstract: This invention relates to benzazepine derivatives of formula I ##STR1## wherein A is --CH.sub.2 CH.sub.2 -- or --CH.dbd.CH--;R.sub.1 is hydrogen, chlorine, bromine, C.sub.1 -C.sub.3 alkyl, amino, C.sub.1 -C.sub.3 alkylamino, C.sub.1 -C.sub.3 dialkylamino, acylamino, hydroxy, C.sub.1 -C.sub.3 alkoxy or phenyl C.sub.1 -C.sub.3 alkoxy;R.sub.2 is hydrogen, chlorine, bromine, hydroxy, C.sub.1 -C.sub.3 alkyl, C.sub.1 -C.sub.3 alkoxy or phenyl C.sub.1 -C.sub.3 alkoxy or, together with R.sub.1, can be C.sub.1 -C.sub.3 alkylenedioxy;R.sub.3 is hydrogen, chlorine, bromine or C.sub.1 -C.sub.3 alkoxy;R.sub.4 is hydrogen, benzyl, C.sub.1 -C.sub.3 alkyl or C.sub.3 -C.sub.5 alkenyl;R.sub.5 is hydrogen, halogen, C.sub.1 -C.sub.3 alkyl or C.sub.1 -C.sub.3 alkoxy;R.sub.6 is hydrogen, C.sub.1 -C.sub.3 alkyl or C.sub.1 -C.sub.3 alkoxy or, together with R.sub.5, can be a C.sub.1 -C.sub.2 alkylenedioxy;X is an imino, optionally substituted by a benzyl or C.sub.1 -C.sub.
    Type: Grant
    Filed: May 8, 1985
    Date of Patent: August 5, 1986
    Assignee: Dr. Karl Thomae GmbH
    Inventors: Manfred Reiffen, Klaus Noll, Joachim Heider, Volkhard Austel, Norbert Hauel, Walter Kobinger, Christian Lillie
  • Patent number: 4584293
    Abstract: This invention related to new aminotetralin derivatives of formula I ##STR1## wherein ##STR2## B is methylene or, when A is --CH.sub.2 --CH.sub.2 --, --CH.dbd.CH--, --NH--CO-- or --CH.sub.2 --CO--, B can also be carbonyl or thiocarbonyl;E is a C.sub.2 -C.sub.4 straight-chain alkylene, optionally substituted by a C.sub.1 -C.sub.3 alkyl, or is 2-hydroxy-n-propylene, 2-hydroxy-n-butylene or 3-hydroxy-n-butylene;R.sub.1 is hydrogen, fluorine, chlorine, bromine, trifluoromethyl, nitro, amino, C.sub.1 -C.sub.3 alkylamino, C.sub.1 -C.sub.3 dialkylamino, C.sub.1 -C.sub.3 alkyl, C.sub.1 -C.sub.3 alkylthio, hydroxy, C.sub.1 -C.sub.3 alkoxy or phenyl C.sub.1 -C.sub.3 alkoxy;R.sub.2 is hydrogen, chlorine, bromine, hydroxy, C.sub.1 -C.sub.3 alkoxy phenyl C.sub.1 -C.sub.3 alkoxy, or C.sub.1 -C.sub.3 alkyl or, together with R.sub.1, can be a C.sub.1 -C.sub.2 alkylenedioxy;R.sub.3 and R.sub.4 are each independently selected from hydrogen, fluorine, chlorine, bromine, C.sub.1 -C.sub.3 alkyl, hydroxy, C.sub.1 -C.sub.
    Type: Grant
    Filed: May 8, 1985
    Date of Patent: April 22, 1986
    Assignee: Dr. Karl Thomae GmbH
    Inventors: Manfred Reiffen, Joachim Heider, Volkhard Austel, Norbert Hauel, Walter Kobinger, Christian Lillie
  • Patent number: 4582837
    Abstract: There are disclosed novel imidazole derivatives of the formula ##STR1## and derivatives of the formula ##STR2## the tautomers thereof, and non-toxic, pharmacologically acceptable addition salts thereof with inorganic or organic acids. The compounds described herein are useful in treating cardiac insufficiency.
    Type: Grant
    Filed: June 21, 1983
    Date of Patent: April 15, 1986
    Assignee: Dr. Karl Thomae GmbH
    Inventors: Norbert Hauel, Volkhard Austel, Joachim Heider, Manfred Reiffen, Willi Diederen
  • Patent number: 4568680
    Abstract: Compounds of the formula ##STR1## wherein one of A and B is methenyl (--CH.dbd.) and the other is carbonyl; R.sub.1 is (alkyl of 1 to 3 carbon atoms)mercapto, (alkyl of 1 to 3 carbon atoms)sulfinyl or (alkyl of 1 to 3 carbon atoms)sulfonyl; andR.sub.2 is alkoxy of 1 to 3 carbon atoms;tautomers thereof, and non-toxic, pharmacologically acceptable acid addition salts thereof. The compounds are useful as cardiotonics.
    Type: Grant
    Filed: December 5, 1984
    Date of Patent: February 4, 1986
    Assignee: Dr. Karl Thomae GmbH
    Inventors: Volkhard Austel, Norbert Hauel, Joachim Heider, Manfred Reiffen, Jacobus C. A. Van Meel, Willi Diederen
  • Patent number: 4490369
    Abstract: Compounds of the formula ##STR1## wherein A is --CH.sub.2 --CH.sub.2 --, --CH.dbd.CH--, --NH--CO--, --CH.sub.2 --CO-- or ##STR2## where R.sub.7 is alkyl of 1 to 3 carbon atoms, andB is methylene, carbonyl or thiocarbonyl, orA is --CO--CO--, --N.dbd.CH--, ##STR3## where R.sub.8 is hydrogen or alkyl of 1 to 3 carbon atoms substituted by a phenyl, methoxyphenyl or dimethoxyphenyl, andB is methylene;E is n-alkylene of 2 to 4 carbon atoms optionally substituted by an alkyl of 1 to 3 carbon atoms, 2-hydroxy-n-propylene, 2-hydroxy-n-butylene or 3-hydroxy-n-butylene;G is n-alkylene of 1 to 5 carbon atoms optionally substituted by an alkyl of 1 to 3 carbon atoms, wherein one methylene group of an n-alkylene of 2 to 5 carbon atoms can be replaced by a carbonyl group, with the proviso that B represents a methylene or carbonyl group, or methylene-n-hydroxy-alkylene of 1 to 4 carbon atoms, where the methylene group is attached to the nitrogen atom; andR.sub.1 to R.sub.
    Type: Grant
    Filed: November 2, 1983
    Date of Patent: December 25, 1984
    Assignee: Dr. Karl Thomae Gesellschaft mit beschrankter Haftung
    Inventors: Manfred Reiffen, Joachim Heider, Norbert Hauel, Volkhard Austel, Wolfgang Eberlein, Walter Kobinger, Christian Lillie, Klaus Noll, Helmut Pieper, Gerd Kruger, Johannes Keck
  • Patent number: 4379788
    Abstract: Compounds of the formula ##STR1## wherein A and B, together with each other and the respective carbon atoms to which they are attached, form a phenyl or pyridine ring;R.sub.1 is hydrogen, halogen, amino, nitro, alkyl of 1 to 3 carbon atoms or alkoxy of 1 to 3 carbon atoms;R.sub.2 is hydrogen or alkoxy of 1 to 3 carbon atoms;D is alkylene of 3 to 4 carbon atoms or hydroxy(alkylene of 3 to 4 carbon atoms);R.sub.3 and R.sub.5, which may be identical to or different from each other, are each hydrogen or alkyl of 1 to 3 carbon atoms;R.sub.4 is hydrogen or alkoxy of 1 to 3 carbon atoms; andR.sub.6 is straight or branched alkyl of 1 to 6 carbon atoms or --E--R.sub.7 ;where E is straight alkylene of 2 to 4 carbon atoms or hydroxy-substituted straight alkylene of 2 to 4 carbon atoms, andR.sub.7 is ##STR2## where R.sub.8 and R.sub.
    Type: Grant
    Filed: December 4, 1981
    Date of Patent: April 12, 1983
    Assignee: Dr. Karl Thomae Gesellschaft mit beschrankter Haftung
    Inventors: Joachim Heider, Volkhard Austel, Wolfgang Eberlein, Rudolf Kadatz, Christian Lillie
  • Patent number: 4361563
    Abstract: Compounds of the formula ##STR1## wherein R.sub.1 is hydrogen; trifluoromethyl; alkyl of 1 to 11 carbon atoms; cycloalkyl of 3 to 7 carbon atoms; hydroxyl; alkoxy of 1 to 6 carbon atoms; mercapto; (alkyl of 1 to 6 carbon atoms)-mercapto; phenyl-(alkyl of 1 to 3 carbon atoms); phenyl; or mono-, di- or tri-substituted phenyl, where the substituents, which may be identical to or different from each other, are each halogen, alkyl of 1 to 4 carbon atoms, (alkyl of 1 to 6 carbon atoms)-sulfinyl, hydroxyl, alkoxy of 1 to 6 carbon atoms, mercapto or (alkyl of 1 to 6 carbon atoms)-mercapto;R.sub.2 is hydrogen, alkyl of 1 to 6 carbon atoms, cycloalkyl of 3 to 6 carbon atoms or phenyl-(alkyl of 1 to 3 carbon atoms); andR.sub.3 is alkyl of 1 to 6 carbon atoms; optically active antipodes thereof; and non-toxic, pharmaceutically acceptable acid addition salts of said compounds or of said optically active antiposed. The compounds are useful as cardiotonics and antithrombotics.
    Type: Grant
    Filed: May 1, 1981
    Date of Patent: November 30, 1982
    Assignee: Dr. Karl Thomae Gesellschaft mit Beschrankter Haftung
    Inventors: Volkhard Austel, Joachim Heider, Wolfgang Eberlein, Willi Diederen, Walter Haarmann
  • Patent number: 4327100
    Abstract: Compounds of the formula ##STR1## wherein R.sub.1 is alkoxy of 1 to 3 carbon atoms; andR.sub.2 is (aralkylsulfinyl of 7 to 9 carbon atoms)-(alkoxy of 2 to 3 carbon atoms); or (unsubstituted, mono-, di- or trisubstituted phenyl-sulfinyl)-(alkoxy of 2 to 3 carbon atoms), where the substituents are attached to the phenyl moiety and are nitro, alkyl of 1 to 3 carbon atoms, alkoxy of 1 to 3 carbon atoms or halogen;their 3H-tautomers; and non-toxic, pharmacologically acceptable acid addition salts thereof. The compounds are useful as hypertensives and cardiotonics.
    Type: Grant
    Filed: June 30, 1980
    Date of Patent: April 27, 1982
    Assignee: Boehringer Ingelheim GmbH
    Inventors: Volkhard Austel, Manfred Reiffen, Joachim Heider, Willi Diederen
  • Patent number: 4299834
    Abstract: This invention is directed to 8-phenyl-purines of general formula ##STR1## wherein R.sub.1 is a hydrogen or halogen atom; an alkoxy group optionally substituted by alkylmercapto, alkylsulfinyl or alkylsulfonyl group; or an alkylmercapto, alkylsulfinyl or alkylsulfonyl group, whereby each alkyl moiety may contain from 1 to 3 carbon atoms, andR.sub.2 is an alkoxy group with from 1 to 3 carbon atoms, and their physiologically compatible acid addition salts. The compounds exhibit valuable pharmacological properties, particularly positive inotropic activity.
    Type: Grant
    Filed: July 8, 1980
    Date of Patent: November 10, 1981
    Assignee: Boehringer Ingelheim Gesellschaft mit beschrankter Haftung
    Inventors: Volkhard Austel, Eberhard Kutter, Joachim Heider, Willi Diederen
  • Patent number: 4179508
    Abstract: Compounds of the formula ##STR1## wherein A is lower alkylene,R is lower alkyl, andn is 0, 1 or 2;the compounds are useful as anti-hyperlipidemics and anti-convulsants.
    Type: Grant
    Filed: July 18, 1978
    Date of Patent: December 18, 1979
    Assignee: Boehringer Ingelheim GmbH
    Inventors: Volkhard Austel, Eberhard Kutter, Wolfgang Eberlein, Joachim Heider, Joachim Kahling
  • Patent number: 4176184
    Abstract: Compounds of the formula ##STR1## wherein R.sub.1 is lower alkyl; phenyl-lower alkyl; cycloalkyl of 3 to 6 carbon atoms; phenyl; mono- or di-substituted phenyl, where the substituents, which may be identical to or different from each other, are each halogen, hydroxyl, methoxy, methylmercapto, methylsulfinyl, methylsulfonyl or benzyloxy; andA is hydrogen or ##STR2## where R.sub.2 is hydrogen or lower alkyl;R.sub.3 is lower alkyl or dimethoxyphenyl-lower alkyl; orR.sub.2 and R.sub.3, together with each other and the nitrogen atom to which they are attached, are piperidino, morpholino or N'-lower alkyl-piperazino; andn is 2 or 3;and non-toxic, pharmacologically acceptable acid addition salts thereof. The compounds as well as their salts are useful as cardiotonics, hypotensives, antithrombotics and antiarrhythmics.
    Type: Grant
    Filed: July 17, 1978
    Date of Patent: November 27, 1979
    Assignee: Boehringer Ingelheim GmbH
    Inventors: Volkhard Austel, Eberhard Kutter, Joachim Heider, Wolfgang Eberlein, Walter Kobinger, Christian Lillie, Willi Diederen, Walter Haarmann
  • Patent number: 4154837
    Abstract: Compounds of the formula ##STR1## wherein A is benzo, mono-, di- or tri-substituted benzo, the substituents being selected from the group consisting of lower alkoxy, amino and nitro, or pyrido;R.sub.1 is hydrogen or lower alkyl;R.sub.2 is alkyl of 1 to 6 carbon atoms or --X--R.sub.6,where X is straight alkylene of 1 to 4 carbon atoms or hydroxy-substituted straight alkylene of 1 to 4 carbon atoms; andR.sub.6 is amino; carbalkoxy of 2 to 6 carbon atoms; phenyl; mono-, di- or tri-substituted phenyl, the substituents being selected from the group consisting of lower alkyl and lower alkoxy; phenoxy; or mono-, di- or tri-substituted phenoxy, the substituents being selected from the group consisting of lower alkyl and lower alkoxy;R.sub.3 is hydrogen or hydroxyl;R.sub.4 is hydrogen, lower alkyl or lower alkoxy;R.sub.5 is hydrogen or lower alkyl; andN is 0, 1 or 2;And non-toxic, pharmacologically acceptable acid addition salts thereof. The compounds as well as the salts are useful as antiarrhythmics, .beta.
    Type: Grant
    Filed: January 6, 1978
    Date of Patent: May 15, 1979
    Assignee: Boehringer Ingelheim GmbH
    Inventors: Joachim Heider, Volkhard Austel, Wolfgang Eberlein, Rudolf Kadatz, Jurgen Dammgen, Walter Kobinger, Christian Lillie
  • Patent number: 4137318
    Abstract: Compounds of the formula ##STR1## wherein R.sub.1, R.sub.2 and R.sub.6, which may be identical to or different from each other, are each hydrogen or lower alkyl;R.sub.3 is lower alkoxy;R.sub.4 is lower alkoxy or, together with R.sub.3, methylenedioxy or ethylenedioxy;R.sub.5 is hydrogen, lower alkyl or benzyl;R.sub.7 is hydrogen or lower alkoxy;R.sub.8 is hydrogen, lower alkoxy or, together with R.sub.7, methylenedioxy or ethylenedioxy;M is 1 or 2; andN is 2 or 3;And non-toxic, pharmacologically acceptable acid addition salts thereof. The compounds as well as their salts are useful as antihypertensives and heart rate reducers.
    Type: Grant
    Filed: August 22, 1977
    Date of Patent: January 30, 1979
    Assignee: Boehringer Ingelheim GmbH
    Inventors: Wolfgang Eberlein, Joachim Heider, Volkhard Austel, Jurgen Dammgen, Rudolf Kadatz
  • Patent number: 4134980
    Abstract: Compounds of the formula ##STR1## wherein A is ##STR2## where R.sub.1 is hydrogen or alkyl of 1 to 3 carbon atoms; R.sub.2 is alkoxy of 1 to 3 carbon atoms;R.sub.3 is alkoxy of 1 to 3 carbon atoms or, together with R.sub.2, methylenedioxy or ethylenedioxy;R.sub.4 is hydrogen, alkyl of 1 to 3 carbon atoms or benzyl;R.sub.5 is hydrogen or alkyl of 1 to 3 carbon atoms;R.sub.6 is hydrogen or alkoxy of 1 to 3 carbon atoms;R.sub.7 is alkoxy of 1 to 3 carbon atoms or, together with R.sub.6, methylenedioxy or ethylenedioxy; andN is 2 or 3;And non-toxic, pharmacologically acceptable acid addition salts thereof; the compounds as well as their salts are useful as heart rate reducers and mild antihypertensives.This invention relates to novel N-(phenylalkylaminoalkyl)-substituted quinazolinones and phthalazinones and nontoxic acid addition salts thereof, as well as to various methods of preparing these compounds.
    Type: Grant
    Filed: August 24, 1977
    Date of Patent: January 16, 1979
    Assignee: Boehringer Ingelheim GmbH
    Inventors: Wolfgang Eberlein, Volkhard Austel, Joachim Heider, Jurgen Dammgen, Rudolf Kadatz, Christian Lillie, Walter Kobinger
  • Patent number: 4087541
    Abstract: Compounds of the formula ##STR1## wherein R.sub.1 is hydrogen, lower alkyl or phenyl,R.sub.2 is hydrogen, chlorine or methoxy,R.sub.3 is hydrogen or methoxy,R.sub.2 and R.sub.3, together with each other, are methylenedioxy or ethylenedioxy,R.sub.4 and R.sub.5 are each hydrogen or lower alkyl,R.sub.6 is hydrogen or lower alkoxy.R.sub.7 is lower alkoxy,R.sub.6 and R.sub.7, together with each other, are methylenedioxy or ethylenedioxy, andn is 2 or 3,And non-toxic, pharmacologically acceptable acid addition salts thereof; the compounds as well as the salts are useful for slowing the heart rate.
    Type: Grant
    Filed: May 4, 1977
    Date of Patent: May 2, 1978
    Assignee: Boehringer Ingelheim GmbH
    Inventors: Wolfgang Eberlein, Eberhard Kutter, Joachim Heider, Volkhard Austel, Rudolf Kadatz, Willi Diederen, Walter Kobinger, Christian Lillie, Jurgen Dammgen
  • Patent number: 4038407
    Abstract: Compounds of the formula ##STR1## wherein R.sub.1 is hydrogen, lower alkyl or phenyl,R.sub.2 is hydrogen, chlorine or methoxy,R.sub.3 is hydrogen or methoxy,R.sub.2 and R.sub.3, together with each other, are methylenedioxy or ethylenedioxy,R.sub.4 and R.sub.5 are each hydrogen or lower alkyl,R.sub.6 is hydrogen or lower alkoxy,R.sub.7 is lower alkoxy,R.sub.6 and R.sub.7, together with each other, are methylenedioxy or ethylenedioxy,X is carbonyl or sulfonyl, andn is 2 or 3,And non-toxic, pharmacologically acceptable acid addition salts thereof; the compounds as well as the salts are useful for slowing the heart rate.
    Type: Grant
    Filed: February 24, 1976
    Date of Patent: July 26, 1977
    Assignee: Boehringer Ingelheim GmbH
    Inventors: Wolfgang Eberlein, Eberhard Kutter, Joachim Heider, Volkhard Austel, Rudolf Kadatz, Willi Diederen, Walter Kobinger, Christian Lillie, Jurgen Dammgen
  • Patent number: 4031219
    Abstract: Compounds of the formula ##STR1## wherein A and B, which may be identical to or different from each other, are each straight alkylene of 2 to 4 carbon atoms which may have a methyl or phenyl substituent attached thereto,R.sub.1, r.sub.2, r.sub.3 and R.sub.4, which may be identical to or different from each other, are each hydrogen, fluorine, chlorine, bromine, hydroxyl, amino, nitro, acetylamino, alkyl of 1 to 3 carbon atoms, alkoxy of 1 to 3 carbon atoms or (alkyl of 1 to 3 carbon atoms)thio,R.sub.5, r.sub.6, r.sub.7 and R.sub.8, which may be identical to or different from each other, are each hydrogen, alkyl of 1 to 4 carbon atoms, phenyl-(alkyl of 1 to 4 carbon atoms) or methoxyphenyl-(alkyl of 1 to 4 carbon atoms), orR.sub.5 and R.sub.6, together with each other, are straight alkylene of 2 to 5 carbon atoms, orR.sub.7 and R.sub.8, together with each other, are straight alkylene of 2 to 5 carbon atoms, andR.sub.
    Type: Grant
    Filed: July 13, 1976
    Date of Patent: June 21, 1977
    Assignee: Boehringer Ingelheim GmbH
    Inventors: Eberhard Kutter, Volkhard Austel, Wolfgang Eberlein, Joachim Heider, Walter Kobinger, Christian Lillie, Rudolf Kadatz