Patents by Inventor Max Thiel

Max Thiel 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: 4517183
    Abstract: The present invention provides pharmaceutical compositions containing N-substituted aziridine-2-carboxylic acid derivatives of the general formula: ##STR1## wherein X is a carboxyl, a cyano, an alkoxycarbonyl or an optionally substituted carbamoyl radical, R is a hydrogen atom, an aliphatic hydrocarbon radical which is saturated or can contain one or more unsaturations and can be substituted one or more times by halogen, alkoxy, hydroxyl, dialkylamino, dialkylaminoxy, cycloalkylamino, acylamino, acyl, nitro, alkylthio, alkylsulphinyl, alkylsulphonyl, cyano, carboxyl, alkoxycarbonyl or carbamoyl or by cycloalkyl or cycloalkenyl radicals optionally carrying alkyl, alkoxy or alkoxycarbonyl radicals, optionally interrupted by hetero atoms and optionally bridged, or by an aryl, hetaryl, aryloxy, arylthio, acyloxy, alkoxycarbonylamino or isothioureido radical, or R is a cycloalkyl or cycloalkenyl radical optionally substituted by alkyl, alkoxy or oxo groups, optionally interrupted by hetero atoms and optionally bri
    Type: Grant
    Filed: May 17, 1983
    Date of Patent: May 14, 1985
    Assignee: Boehringer Mannheim GmbH
    Inventors: Elmar Bosies, Wolfgang Kampe, Max Thiel, Uwe Bicker, Dietmar Boerner
  • Patent number: 4503067
    Abstract: Carbazolyl-(4)-oxypropanolamine compounds of the formula ##STR1## wherein R.sub.1 is hydrogen, lower alkanoyl or aroyl;R.sub.2 is hydrogen, lower alkyl or arylalkyl;R.sub.3 is hydrogen or lower alkyl;R.sub.4 is hydrogen or lower alkyl, or when X is oxygen, R.sub.4 together with R.sub.5 can represent --CH.sub.2 --O--;X is a valency bond, --CH.sub.2 --, oxygen or sulfur;Ar is mono- or bicyclic aryl or pyridyl;R.sub.5 and R.sub.6 are individually selected from hydrogen, halogen, hydroxyl, lower alkyl, aminocarbonyl, lower alkoxy, aralkyloxy, lower alkylthio, lower alkylsulphinyl or lower alkylsulphonyl;R.sub.5 and R.sub.6 together can represent methylenedioxy;and the salts thereof with physiologically acceptable acids are outstandingly effective in the treatment and prophylaxis of circulatory and cardiac diseases, e.g., hypertension and angina pectoris.
    Type: Grant
    Filed: April 4, 1983
    Date of Patent: March 5, 1985
    Assignee: Boehringer Mannheim GmbH
    Inventors: Fritz Wiedemann, Wolfgang Kampe, Max Thiel, Gisbert Sponer, Egon Roesch, Karl Dietmann
  • Patent number: 4427680
    Abstract: The present invention provides aryl ether derivatives of the general formula: ##STR1## wherein A is an oxygen atom or the group >N--R.sub.1, R.sub.1 being a hydrogen atom or a lower alkyl radical, R.sub.2 and R.sub.3, which can be the same or different, are hydrogen atoms or lower alkyl radicals, R.sub.4 is a hydrogen atom or a hydroxyl group, R.sub.5 is a hydrogen atom or an acyl radical, R.sub.7 is a hydrogen atom, a lower alkyl radical or a lower alkanoyl radical and R.sub.8 is a hydrogen atom, a lower alkyl radical, a lower alkoxy radical or a hydroxyl group; and the pharmacologically acceptable salts thereof.The present invention also provides a process for the preparation of these compounds and pharmaceutical compositions containing them. It is also concerned with the use of these compounds for combating allergic diseases.
    Type: Grant
    Filed: February 8, 1982
    Date of Patent: January 24, 1984
    Assignee: Boehringer Mannheim GmbH
    Inventors: Walter-Gunar Friebe, Werner Winter, Max Thiel, Androniki Roesch, Otto-Henning Wilhelms
  • Patent number: 4397848
    Abstract: The present invention provides pharmaceutical compositions containing N-substituted aziridine-2-carboxylic acid derivatives of the general formula: ##STR1## wherein X is a carboxyl, a cyano, an alkoxycarbonyl or an optionally substituted carbamoyl radical, R is a hydrogen atom, or an optionally substituted aliphatic hydrocarbon radical or cycloalkyl or cycloalkenyl radical, and R.sub.1 is a hydrogen atom or an alkyl or phenyl radical; and the pharmacologically acceptable salts thereof, in admixture with a pharmaceutical diluent or carrier. The present invention also provides, as new compounds, N-substituted aziridine-2-carboxylic acid derivatives of general formula (I') but with the proviso that when X is a carbamoyl or alkoxycarbonyl radical and R.sub.1 is a hydrogen atom, R is not a methyl, ethyl, isopropyl or benzyl radical; and the pharmacologically acceptable salts thereof, and also provides processes for the preparation of these new compounds.
    Type: Grant
    Filed: February 20, 1981
    Date of Patent: August 9, 1983
    Assignee: Boehringer Mannheim GmbH
    Inventors: Elmar Bosies, Wolfgang Kampe, Max Thiel, Uwe Bicker, Dietmar Boerner
  • Patent number: 4370323
    Abstract: A 2-cyanoaziridinyl-(1)-2-substituted-aziridinyl-(1)-methane ##STR1## wherein R is a nitrile or carbamoyl group, andR.sub.1 and R.sub.2 each independently is a hydrogen atom, an aliphatic hydrocarbon radical containing up to 10 carbon atoms optionally substituted by hydroxyl, alkoxy, amino, alkylamino, dialkylamino, alkoxycarbonyl, cyano, 1, 2 or 3 halogens, cycloalkyl, phenyl or phenoxy; nitrile, carboxyl, alkoxycarbonyl or optionally hydrogenated monocyclic heteroaryl or phenyl optionally substituted by alkyl, alkoxy, hydroxy, alkoxcarbonyl, dialkylamino, alkylthio, trifluoromethyl, nitro, carbamoyl, nitrile, sulphonamido, hydroxyalkyl, methylenedioxy, or halogen; or R.sub.1 and R.sub.2, together with the carbon atom to which they are attached, form a ring containing up to 8 ring members of which at least one may be oxygen, sulphur, SO, SO.sub.
    Type: Grant
    Filed: March 9, 1977
    Date of Patent: January 25, 1983
    Assignee: Boehringer Mannheim GmbH
    Inventors: Wolfgang Kampe, Max Thiel, Erich Fauland, Uwe Bicker, Gottfried Hebold
  • Patent number: 4348401
    Abstract: An N-phenoxyalkylpiperidine derivative of the formula ##STR1## wherein R.sub.1 is a hydrogen atom, an acyl radical or an optionally substituted aryl radical, R.sub.2 is a hydroxymethyl radical, a cyano group, an amidino group, an amidino group substituted by hydroxyl, a 1H tetrazol-5-yl radical or a --CO--R.sub.3 radical, R.sub.3 is a hydroxyl group, a lower alkoxy radical, an amino group, or an amino group substituted by a 1H-tetrazol-5-yl radical, X is an imino group or an oxymethyl radical, A is an alkylene radical containing 2 to 4 carbon atoms, and B is a valency bond or a 4-hydroxypyrimidin-2,5-diyl radical; or a pharmacologically acceptable salt thereof. The compounds exhibit anti-histaminic, anti-oedematous and anti-phlogistic activity.
    Type: Grant
    Filed: September 10, 1980
    Date of Patent: September 7, 1982
    Assignee: Boehringer Mannheim GmbH
    Inventors: Walter-Gunar Friebe, Wolfgang Kampe, Max Thiel, Wolfgang Schaumann, Otto-Henning Wilhelms
  • Patent number: 4330549
    Abstract: The present invention provides aryl ether derivatives of the general formula: ##STR1## wherein A is an oxygen atom or the group >N--R.sub.1, R.sub.1 being a hydrogen atom or a lower alkyl radical, R.sub.2 and R.sub.3, which can be the same or different, are hydrogen atoms or lower alkyl radicals, R.sub.4 is a hydrogen atom or a hydroxyl group, R.sub.5 is a hydrogen atom or an acyl radical, R.sub.7 is a hydrogen atom, a lower alkyl radical or a lower alkanoyl radical and R.sub.8 is a hydrogen atom, a lower alkyl radical, a lower alkoxy radical or a hydroxyl group; and the pharmacologically acceptable salts thereof.The present invention also provides a process for the preparation of these compounds and pharmaceutical compositions containing them. It is also concerned with the use of these compounds for combating allergic diseases.
    Type: Grant
    Filed: December 17, 1979
    Date of Patent: May 18, 1982
    Assignee: Boehringer Mannheim GmbH
    Inventors: Walter-Gunar Friebe, Werner Winter, Max Thiel, Androniki Roesch, Otto-Henning Wilhelms
  • Patent number: 4284633
    Abstract: The present invention provides xanthine derivatives of the general formula: ##STR1## wherein one of the symbols R.sub.1 and R.sub.2 stands for a methyl radical and the other for a radical of the general formula: ##STR2## wherein R.sub.3 is a hydrogen atom or an acyl radical; and the pharmacologically acceptable salts thereof. The present invention also provides processes for the preparation of these compounds and pharmaceutical compositions containing them and is also concerned with the use thereof for the preparation of pharmaceutical compositions for the treatment of allergies.
    Type: Grant
    Filed: May 12, 1980
    Date of Patent: August 18, 1981
    Assignee: Boehringer Mannheim GmbH
    Inventors: Walter-Gunar Friebe, Max Thiel, Wolfgang Kampe, Otto-Henning Wilhelms, Androniki Roesch
  • Patent number: 4258058
    Abstract: Phenoxyalkylcarboxylic acid compounds of the formula ##STR1## wherein R is hydrogen or lower alkylR.sub.1 is alkyl or aryl, aralkyl or aralkenyl radical, the aryl moiety of which can be substituted one or more times by halogen, hydroxyl, trifluoromethyl or lower alkyl, alkoxy or acylR.sub.2 and R.sub.3 are individually selected from hydrogen or lower alkyl, andn is 0, 1, 2 or 3and the physiologically acceptable salts, esters and amides thereof; are outstandingly effective in inhibiting thrombocyte aggregation.
    Type: Grant
    Filed: February 26, 1979
    Date of Patent: March 24, 1981
    Assignee: Boehringer Mannheim GmbH
    Inventors: Ernst-Christian Witte, Hans P. Wolff, Max Thiel, Karlheinz Stegmeier, Egon Roesch
  • Patent number: 4243807
    Abstract: 4-Phenoxymethyl-piperidines of the formula ##STR1## wherein R is hydrogen, halogen, nitro, lower alkyl or lower alkoxy, in the form of the free base or an acid addition salt, are provided and they are useful as intermediates in the production of anti-hypertensive agents through condensation with (a) propyl chloride and then with an adenine, or (b) a propyl indole.
    Type: Grant
    Filed: November 1, 1976
    Date of Patent: January 6, 1981
    Assignee: Boehringer Mannheim GmbH
    Inventors: Walter-Gunar Friebe, Max Thiel, Kurt Stach, deceased, by Werner Plattner, administrator
  • Patent number: 4229464
    Abstract: New aminopropanol compounds of the formula ##STR1## wherein R is lower alkyl, cycloalkyl or alkylthioalkyl,R.sub.1 is hydrogen or lower alkyl, hydroxyalkyl, pivaloyloxyalkyl, alkoxyalkyl, alkoxycarbonyl, carboxyl or --CONR.sub.3 R.sub.4, in which R.sub.3 and R.sub.4 which can be the same or different, represent hydrogen or lower alkyl, andR.sub.2 is lower alkyl, hydroxyalkyl, alkoxyalkyl or pivaloyloxyalkyl or, when R is alkylthioalkyl or R.sub.1 is pivaloyloxyalkyl, R.sub.2 can also be hydrogen and the pharmacologically acceptable salts thereof; are outstandingly effective in the treatment or prophylaxis of cardiac and circulatory diseases.
    Type: Grant
    Filed: September 18, 1978
    Date of Patent: October 21, 1980
    Assignee: Boehringer Mannheim GmbH
    Inventors: Wolfgang Kampe, Kurt Stach, deceased, by Werner Plattner, administrator, Max Thiel, Wolfgang Bartsch, Karl Dietmann, Egon Roesch, Wolfgang Schaumann
  • Patent number: 4224438
    Abstract: Adenosine-5'-carboxylic acid derivatives of the general formula: ##STR1## wherein Z is two hydrogen atoms or a divalent lower alkylidene radical, ##STR2## R is an aliphatic or arylaliphatic radical, and R.sub.1 and R.sub.2 are independently a hydrogen, hydroxyl, amino, lower alkyl, lower alkenyl, optionally N-alkylated lower aminoalkyl, cycloalkyl, hydroxyalkyl or piperidinyl radical, orR.sub.1 and R.sub.2 taken together are a divalent ethylene radical containing 4-7 carbon atoms optionally interrupted by an oxygen or sulfur atom or by an imino, alkylimino or arylimino radical or a pharmacologically compatible salt thereof.The esters surprisingly can be prepared by esterifying the acid in the presence of sulfuric acid without hydrolyzing the sugar group. While the esters have some activity, they can be used to make the amides which are characterized by marked coronary activity.
    Type: Grant
    Filed: July 9, 1971
    Date of Patent: September 23, 1980
    Assignee: Boehringer Mannheim GmbH
    Inventors: Erich Fauland, Wolfgang Kampe, Max Thiel, Karl Dietmann, Wolfgang Juhran
  • Patent number: 4212866
    Abstract: Novel 9-[3-(4-amino-piperidino)-propyl]-adenine derivatives of the formula ##STR1## wherein R.sub.1 is a hydrogen atom or a lower alkyl radical,R.sub.2 is a hydrogen atom, an aryl radical, a lower alkyl radical, a hydroxy lower alkyl radical, or together with R.sub.1 and the nitrogen atom to which they are attached form a heterocyclic ring, andR.sub.3 is a hydrogen atom or an acyl radical,or salts thereof with pharmacologically acceptable acids, characterized by anti-allergic, anti-inflammatory and anti-oedematous activity.
    Type: Grant
    Filed: January 24, 1979
    Date of Patent: July 15, 1980
    Assignee: Boehringer Mannheim GmbH
    Inventors: Walter-Gunar Friebe, Max Thiel, Androniki Roesch, Otto-Henning Wilhelms, Wolfgang Schaumann
  • Patent number: 4172136
    Abstract: New 3-nitropyrazole compounds of the formula: ##STR1## wherein R.sub.1 is lower alkyl;R.sub.2 is hydrogen or lower alkyl;R.sub.3 is cyano, carboxyl or lower alkoxycarbonyl or the radical --CO-NR.sub.4 R.sub.5, in whichR.sub.4 is hydrogen or hydroxyl, carbamoyl, alkylcarbamoyl, dialkylcarbamoyl, thiocarbamoyl, ureido, thioureido, hydroxyphenyl, picolyl or is a lower alkyl, alkenyl or cycloalkyl radical substituted, if desired, by a cyano, hydroxyl, pyrrolidino, piperidino, amino, lower alkylamino, lower dialkylamino or lower acylamino substituent andR.sub.5 is a hydrogen atom or a lower alkyl radical orR.sub.4 and R.sub.5 together represent a lower alkylene bridge;And the pharmacologically compatible salts thereof are outstandingly effective as anti-microbial agents, particularly systemically and in the urinary tract.
    Type: Grant
    Filed: March 23, 1978
    Date of Patent: October 23, 1979
    Assignee: Boehringer Mannheim GmbH
    Inventors: Herbert Berger, Rudi Gall, Kurt Stach, deceased, Max Thiel, Wolfgang Vomel
  • Patent number: 4153728
    Abstract: Novel phenoxyalkylcarboxylic acid compounds of the formula ##STR1## wherein B is a valency bond or a straight-chained or branched, saturated or unsaturated hydrocarbon radical containing up to 3 carbon atoms;N is 1 or 2 andR.sub.1, r.sub.2 and R.sub.3 are hydrogen or lower alkyl; and the pharmacologically compatible salts thereof; have been found to be outstandingly effective in lowering the serum lipid level and the cholesterol level in mammals without inducing undesired side effects and to possess excellent thrombocyte-aggregation inhibiting activity.
    Type: Grant
    Filed: October 18, 1976
    Date of Patent: May 8, 1979
    Assignee: Boehringer Mannheim GmbH
    Inventors: Hans P. Wolff, Ernst-Christian Witte, Max Thiel, Harald Stork, Egon Roesch
  • Patent number: 4152446
    Abstract: New aminopropanol compounds of the formula ##STR1## wherein R is lower alkyl, cycloalkyl or alkylthioalkyl,R.sub.1 is hydrogen or lower alkyl, hydroxyalkyl, pivaloyloxyalkyl, alkoxyalkyl, alkoxycarbonyl, carboxyl or --CONR.sub.3 R.sub.4, in which R.sub.3 and R.sub.4 which can be the same or different, represent hydrogen or lower alkyl, andR.sub.2 is lower alkyl, hydroxyalkyl, alkoxyalkyl or pivaloyloxyalkyl or, when R is alkylthioalkyl or R.sub.1 is pivaloyloxyalkyl, R.sub.2 can also be hydrogen and the pharmacologically acceptable salts thereof;Are outstandingly effective in the treatment or prophylaxis of cardiac and circulatory diseases.
    Type: Grant
    Filed: June 10, 1977
    Date of Patent: May 1, 1979
    Assignee: Boehringer Mannheim GmbH
    Inventors: Wolfgang Kampe, Kurt Stach, Max Thiel, Wolfgang Bartsch, Karl Dietmann, Egon Roesch, Wolfgang Schaumann
  • Patent number: 4143149
    Abstract: New indazolyl-(4)-oxypropanolamine compounds of the formula ##STR1## wherein R.sub.1 is hydrogen or lower alkyl; andR.sub.2 is straight-chain or branched lower alkyl which can be substituted by lower alkylthio;And the pharmacologically compatible salts thereof; are outstandingly effective adrenergic .beta.-receptor inhibitors and useful in the treatment or prevention of a recurrence of cardiac and circulatory diseases.
    Type: Grant
    Filed: April 25, 1977
    Date of Patent: March 6, 1979
    Assignee: Boehringer Mannheim GmbH
    Inventors: Fritz Wiedemann, Wolfgang Kampe, Max Thiel, Wolfgang Bartsch, Egon Roesch
  • Patent number: 4120963
    Abstract: New aminopropanol compounds of the formula ##STR1## wherein A is alkylene;B is sulfur or a valency bond;R is a straight-chained or branched lower alkyl; and the pharmacologically compatible salts thereof; are outstandingly effective adrenergic .beta.-receptor inhibitors and useful in the treatment or prophylaxis of circulatory diseases.
    Type: Grant
    Filed: May 19, 1977
    Date of Patent: October 17, 1978
    Assignee: Boehringer Mannheim GmbH
    Inventors: Wolfgang Kampe, Martin Senn, Max Thiel, Wolfgang Bartsch, Karl Dietmann
  • Patent number: 4105772
    Abstract: New 3-nitropyrazole compounds of the formula: ##STR1## wherein R.sub.1 is lower alkyl;R.sub.2 is hydrogen or lower alkyl;R.sub.3 is cyano, carboxyl or lower alkoxycarbonyl or the radical --CO--NR.sub.4 R.sub.5, in whichR.sub.4 is hydrogen or hydroxyl, carbamoyl, alkylcarbamoyl, dialkylcarbamoyl, thiocarbamoyl, ureido, thioureido, hydroxyphenyl, picolyl or is a lower alkyl, alkenyl or cycloalkyl radical substituted, if desired, by a cyano, hydroxyl, pyrrolidino, piperidino, amino, lower alkylamino, lower dialkylamino or lower acylamino substituent andR.sub.5 is a hydrogen atom or a lower alkyl radical orR.sub.4 and R.sub.5 together represent a lower alkylene bridge;And the pharmacologically compatible salts thereof, are outstandingly effective as anti-microbial agents, particularly systemically and in the urinary tract.
    Type: Grant
    Filed: November 22, 1976
    Date of Patent: August 8, 1978
    Assignee: Boehringer Mannheim GmbH
    Inventors: Herbert Berger, Rudi Gall, Kurt Stach, deceased, by Werner Plattner, administrator, Max Thiel, Wolfgang Vomel
  • Patent number: 4092416
    Abstract: Benzopyrones of the formula ##STR1## wherein R.sub.1 is a hydrogen or halogen atom or a hydroxyl, lower alkyl, alkoxy, alkylthio or trifluoromethyl radical,R.sub.2, r.sub.3, r.sub.4 and R.sub.5 each independently is hydrogen, a halogen atom, a hydroxyl radical, a lower alkyl or lower alkoxy radical, or a lower alkyl or lower alkoxy radical substituted by at least one of hydroxyl, halogen, mesyloxy or tosyloxy or by an oxirane, dioxane or dioxolane ring,A is a lower alkylene radical, andn is 0, 1 or 2,And salts thereof exhibit anti-allergic activity.
    Type: Grant
    Filed: December 1, 1976
    Date of Patent: May 30, 1978
    Assignee: Boehringer Mannheim GmbH
    Inventors: Werner Winter, Max Thiel, Kurt Stach, deceased, Androniki Roesch, by Werner Plattner, administrator, Wolfgang Schaumann