Patents by Inventor Fritz Wiedemann
Fritz Wiedemann 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).
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Patent number: 4608383Abstract: The present invention provides aryloxypropanolamines of the general formula: ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4, which may be the same or different, are hydrogen or halogen atoms or lower alkyl, cyano, carboxamide, hydroxyl, lower acyloxy, lower alkoxy, lower alkenyloxy or aryl lower alkoxy radicals, R.sub.5 and R.sub.6, which may be the same or different, are hydrogen atoms or lower alkyl radicals, X is a straight or branched alkylene chain containing 2 to 6 carbon atoms, A is a mono-, bi- or tricyclic heteroaromatic or hydroheteroaromatic radical or, when at least one of the symbols R.sub.1, R.sub.2, R.sub.3 and R.sub.4 is other than a hydrogen atom, may also be a phenyl radical, with the proviso that when A is a uracil-6-yl radical, the 5-position of the uracil moiety does not contain a hydrogen atom, R.sub.7, R.sub.8, R.sub.9, R.sub.10 and R.sub.Type: GrantFiled: October 3, 1983Date of Patent: August 26, 1986Assignee: Boehringer Mannheim GmbHInventors: Fritz Wiedemann, deceased, Wolfgang Kampe, Karl Dietmann, deceased, Gisbert Sponer
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Patent number: 4507488Abstract: New N-heteroarylalkylenediamine ##STR1## wherein R.sub.1 and R.sub.2 each independently is hydrogen, an alkyl radical containing up to 6 carbon atoms, or a benzyl radical,X is an alkylene radical containing 2 to 6 carbon atoms,A is a mono- or bicyclic heteroaromatic radical, which can be partly hydrogenated, with the proviso that it contains 2 or 3 adjacent ring heteroatoms, whereby the bound ring heteroatoms can be an oxygen atom and a nitrogen atom or 2 or 3 nitrogen atoms, andR.sub.3, R.sub.4, R.sub.5, R.sub.6 and R.sub.7 each independently is hydrogen, or an alkyl radical containing up to 6 carbon atoms, which can be substituted by hydroxyl, carbamyl, nitrile or carboxyl, an alkenyl radical containing 2 to 6 carbon atoms, a phenyl or carbamyl radical or one of the divalent substituents oxygen or sulphur,or a salt thereof. The compounds are intermediates in the synthesis of cardioactive compounds.Type: GrantFiled: April 11, 1983Date of Patent: March 26, 1985Assignee: Boehringer Mannheim GmbHInventors: Fritz Wiedemann, Ewald Rieger
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Patent number: 4503067Abstract: 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: GrantFiled: April 4, 1983Date of Patent: March 5, 1985Assignee: Boehringer Mannheim GmbHInventors: Fritz Wiedemann, Wolfgang Kampe, Max Thiel, Gisbert Sponer, Egon Roesch, Karl Dietmann
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Patent number: 4479962Abstract: The present invention provides heteroaryloxypropanolamines and pharmaceutical compositions containing them, for combating, and for the prophylaxis of, cardiac and circulatory diseases. The heteroaryloxypropanolamines of the present invention are of the general formula: ##STR1## wherein A is a bi- or tricyclic heteroaromatic radical, which is optionally partly hydrogenated, X is a straight-chained or branched alkylene chain containing 2 to 6 carbon atoms, R.sub.1 and R.sub.2, which can be the same or different, are hydrogen atoms or lower alkyl or benzyl radicals, R.sub.3, R.sub.4 and R.sub.5, which can be the same or different, are hydrogen atoms or lower alkyl, benzyl, formyl, lower alkanoyl, cyano, hydroxymethyl, lower alkoxycarbonyl or carbamoyl radicals or the divalent substituents sulfur or oxygen and R.sub.6, R.sub.7 and R.sub.8, which can be the same or different, are hydrogen or halogen atoms, lower alkyl, nitro, amino, lower alkylthio or lower alkoxy radicals or R.sub.6 and R.sub.Type: GrantFiled: August 2, 1982Date of Patent: October 30, 1984Assignee: Boehringer Mannheim GmbHInventors: Fritz Wiedemann, Helmut Michel, Wolfgang Weckerle, Egon Roesch, Klaus Strein
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Patent number: 4438128Abstract: The present invention provides aryloxypropanolamines of the general formula: ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4, which may be the same or different, are hydrogen or halogen atoms or lower alkyl, cyano, carboxamido, hydroxyl, lower acyloxy, lower alkoxy, lower alkenyloxy or aryl lower alkoxy radicals, R.sub.5 and R.sub.6, which may be the same or different, are hydrogen atoms or lower alkyl radicals, X is a straight or branched alkylene chain containing 2 to 6 carbon atoms, A is a mono-, bi- or tricyclic heteroaromatic or hydroheteroaromatic radical or, when at least one of the symbols R.sub.1, R.sub.2, R.sub.3 and R.sub.4 is other than a hydrogen atom, may also be a phenyl radical, with the proviso that when A is a uracil-6-yl radical, the 5-position of the uracil moiety does not contain a hydrogen atom, R.sub.7, R.sub.8, R.sub.9, R.sub.10 and R.sub.Type: GrantFiled: June 15, 1981Date of Patent: March 20, 1984Assignee: Boehringer Mannheim GmbHInventors: Fritz Wiedemann, Wolfgang Kampe, Karl Dietmann, Gisbert Sponer
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Patent number: 4346093Abstract: The present invention provides heterocyclic oxypropanol derivatives of the general formula: ##STR1## wherein R.sub.1 is a hydrogen atom or a lower alkyl, aralkyl or lower alkanoyl radical, R.sub.2 and R.sub.3, which can be the same or different, are hydrogen atoms or lower alkyl, hydroxyalkyl, alkoxycarbonyl or alkanoyloxyalkyl radicals or together represent an alkylene radical, R.sub.4 is a hydrogen atom or a lower alkanoyl radical or an aroyl radical, R.sub.5 is a hydrogen atom or a lower alkyl radical or an aralkyl radical, R.sub.6 is a hydrogen atom or a lower alkyl radical, R.sub.7 is a hydrogen atom, a hydroxyl group or a lower alkyl radical, Z is a valency bond, a methylene radical or an oxygen or sulphur atom, Ar is a carbocyclic aryl radical or a pyridyl radical, R.sub.8, R.sub.9 and R.sub.Type: GrantFiled: January 31, 1980Date of Patent: August 24, 1982Assignee: Boehringer Mannheim GmbHInventors: Walter-Gunar Friebe, Helmut Michel, Carl H. Ross, Fritz Wiedemann, Wolfgang Bartsch, Karl Dietmann
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Patent number: 4288442Abstract: A piperidinopropyl derivative of the formula ##STR1## in which R.sub.1 and R.sub.2 each independently is hydrogen or a lower alkyl radical, or together are an alkylene radical,R.sub.3 is hydrogen, hydroxy, or acyloxy,R.sub.4 is hydrogen or formyl,A together with the adjacent benzene ring and N-R.sub.4 forms a benzimidazolin-2-one, benzimidazoline-2-thione, oxindole, indazole carbazole, benztriazole, benzimidazole, indoline or indole moiety, andB is a heterocyclic radical or, under certain circumstances, a phenyl radical, either of which is optionally substituted by halogen, hydroxy, lower alkyl, hydroxy-lower alkyl, carboxamido-lower alkyl, lower alkoxy, amino, carboxamido, lower alkyl-carbonylamino, acyl or lower alkylsulphonylamino,or a pharmacologically acceptable salt thereof. The compounds inhibit adrenergic .beta.-receptors and lower blood pressure.Type: GrantFiled: January 31, 1980Date of Patent: September 8, 1981Assignee: Boehringer Mannheim GmbHInventors: Walter-Gunar Friebe, Helmut Michel, Carl H. Ross, Fritz Wiedemann, Gisbert Sponer, Wolfgang Schaumann
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Patent number: 4171446Abstract: Indazole compounds of the formula ##STR1## wherein R.sub.1 is hydrogen or lower alkyl,R' is hydrogen or acyl, e.g., alkanoyl, andR.sub.2 is benzyl or a radical of the general formula ##STR2## in which X is a reactive residue and Y is hydroxyl or X and Y together represent oxygen and, when R' is an acyl radical, R.sub.2 can also be hydrogen:Are valuable intermediates for the preparation of pharmacologically active compounds, e.g., adrenergic .beta.-receptor active 3-indazolyl-(4)-oxy-propan-2-ol-amines.Type: GrantFiled: April 25, 1977Date of Patent: October 16, 1979Assignee: Boehringer Mannheim GmbHInventors: Fritz Wiedemann, Wolfgang Kampe
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Patent number: 4146630Abstract: A 3-(4-phenoxymethylpiperidino)-propyl-phenyl-ether of the formula ##STR1## wherein R.sub.1 and R.sub.2 each independently is hydrogen, lower alkyl, hydroxyalkyl, lower alkanoyloxyalkyl or --CO--Z,Z is hydroxy, lower alkyloxy or ##STR2## R.sub.6 and R.sub.7 each independently is hydrogen, lower alkyl or hydroxyalkyl,R.sub.3 is hydrogen or --O--R.sub.8,R.sub.8 is hydrogen, lower alkanoyl or aroyl optionally substituted by halogen, lower alkyl, lower alkoxy, alkoxycarbonyl, hydroxyl, alkylthio, nitrile, nitro or trifluoromethyl,R.sub.4 and R.sub.5 each independently is hydrogen, halogen, hydroxy, benzyloxy, lower alkyl, lower alkoxy, lower alkylthio, carboxy, benzyloxycarbonyl or lower alkoxycarbonyl,X and Y each independently is nitrogen or ##STR3## R.sub.9 is hydrogen, lower allkyl optionally substituted by --O--R.sub.8, or --CO--Z,or a pharmacologically acceptable salt thereof. The compounds lower blood pressure and inhibit adrenergic .beta.-receptors.Type: GrantFiled: October 27, 1977Date of Patent: March 27, 1979Assignee: Boehringer Mannheim GmbHInventors: Wolfgang Kampe, Walter-Gunar Friebe, Fritz Wiedemann, Gisbert Sponer, Wolfgang Bartsch, Karl Dietmann
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Patent number: 4143149Abstract: 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: GrantFiled: April 25, 1977Date of Patent: March 6, 1979Assignee: Boehringer Mannheim GmbHInventors: Fritz Wiedemann, Wolfgang Kampe, Max Thiel, Wolfgang Bartsch, Egon Roesch
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Patent number: 4029783Abstract: New N-substituted 1-amino-3-phenoxy-propan-2-ol compounds of the formula: ##STR1## wherein R.sub.1 and R.sub.2 are, individually, hydrogen or, taken together, represent a sulfur linkage, an ethylene radical or a valency bond;B is straight or branched chain alkylene or hydroxyalkylene of from 2 to 5 carbon atoms; andR.sub.3 is hydrogen or alkyl of up to 3 carbon atoms;And the physiologically compatible salts thereof; possess valuable cardiac and circulatory activity.Type: GrantFiled: December 8, 1975Date of Patent: June 14, 1977Assignee: Boehringer Mannheim G.m.b.H.Inventors: Fritz Wiedemann, Max Thiel, Kurt Stach, Karl Dietmann, Gisbert Sponer
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Patent number: 3998810Abstract: New N-substituted 1-amino-3-phenoxy-propan-2-ol compounds of the formula: ##EQU1## wherein R.sub.1 and R.sub.2 are, individually, hydrogen or, taken together, represent a sulfur linkage, an ethylene radical or a valency bond;B is straight or branched chain alkylene or hydroxyalkylene of from 2 to 5 carbon atoms; andR.sub.3 is hydrogen or alkyl of up to 3 carbon atoms;And the physiologically compatible salts thereof; possess valuable cardiac and circulatory activity.Type: GrantFiled: July 10, 1974Date of Patent: December 21, 1976Assignee: Boehringer Mannheim G.m.b.H.Inventors: Fritz Wiedemann, Max Thiel, Kurt Stach, Karl Dietmann, Gisbert Sponer