Patents by Inventor Egbert Wehinger
Egbert Wehinger 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: 4348395Abstract: The invention includes, as novel compounds, 1,4-dihydropyridazines and methods for their preparation. Also included are compositions containing said compounds and methods for the use of said compounds and compositions. The compounds of the invention are active as circulation-influencing and spasmolytically active agents.Type: GrantFiled: October 4, 1978Date of Patent: September 7, 1982Assignee: Bayer AktiengesellschaftInventors: Gerhard Franckowiak, Horst Meyer, Friedrich Bossert, Arend Heise, Stanislav Kazda, Kurt Stoepel, Robertson Towart, Egbert Wehinger
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Patent number: 4288446Abstract: Pharmaceutical compositions useful for effecting diuresis and saluresis and for treating hypertension in humans and animals are produced by combining a pyrazol-5-one of the formula: ##STR1## or a pharmaceutically acceptable nontoxic salt thereof wherein R is hydrogen, lower alkyl or amino;X is methylene, ethylene, methylene wherein 1 hydrogen atom is substituted by lower alkyl, or ethylene wherein 1 hydrogen atom is substituted by lower alkyl or 1 hydrogen atom on each of the two carbon atoms is substituted by lower alkyl;Y is a direct bond, oxygen or sulphur, provided that when X is methylene wherein 1 hydrogen atom is substituted by alkyl of 1 to 4 carbon atoms, Y is a direct bond;Z is aryl of 6 to 10 carbon atoms unsubstituted or substituted by:(a) 1 or 2 of the same or different substituents selected from the group consisting of halogen, trifluoromethyl, alkyl of 1 to 4 carbon atoms, alkenyl of 2 to 4 carbon atoms, alkoxy of 1 to 4 carbon atoms, and alkenoxy of 2 to 4 carbon atoms;(b) lower alkylamino, diType: GrantFiled: December 12, 1979Date of Patent: September 8, 1981Assignee: Bayer AktiengesellschaftInventors: Eike Moller, Karl Meng, Egbert Wehinger, Harald Horstmann
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Patent number: 4285955Abstract: The invention relates to a process for the production of 1,4-dihydropyridinecarboxylic acid compounds which involves hydrolysis, under alkaline conditions and in a temperature range from 10.degree. to 100.degree. C., of an ester group which contains an electron-attracting group. The invention also includes novel compounds made according to the invention as well as compositions containing said novel compounds. Also included in the invention are methods for the use of said compounds and compositions. The compounds obtained according to the process of the invention are useful because of their circulation-influencing action and are also useful as intermediates for the preparation of compounds having circulation-influencing action.Type: GrantFiled: October 12, 1979Date of Patent: August 25, 1981Assignee: Bayer AktiengesellschaftInventors: Egbert Wehinger, Friedrich Bossert
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Patent number: 4248873Abstract: The invention includes novel nitro-substituted 1,4-dihydropyridines useful because of their influence on the circulation. Also included in the invention are methods for the preparation of said novel nitro-substituted 1,4-dihydropyridines, compositions containing them and methods for the use of said compounds and compositions.Type: GrantFiled: November 6, 1978Date of Patent: February 3, 1981Assignee: Bayer AktiengesellschaftInventors: Friedrich Bossert, Gerhard Franckowiak, Arend Heise, Stanislav Kazda, Horst Meyer, Kurt Stoepel, Robertson Towart, Egbert Wehinger
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Patent number: 4207325Abstract: Pyrazoles of the formula ##STR1## whereinR is hydrogen, alkyl, aryl, aralkyl, trifluoromethyl or a heterocycle;R.sup.1 is aryl or aralkyl unsubstituted or substituted by halo, trifluoromethyl, alkyl, alkoxy or nitro; or a halo-substituted alkylthio moiety;R.sup.2 is lower alkyl; phenyl; or benzyl;R.sup.3 is aryl unsubstituted or substituted by alkyl, alkenyl, alkoxy, cycloalkyl, cycloalkenyl, halo, trifluoromethyl, trifluoromethoxy, mono- or di-alkylamino, nitro, cyano, carboxamido, sulphonamido or SO.sub.n -alkyl; phenyl having fused thereto a 5- to 7-membered isocyclic or heterocyclic ring, said heterocyclic ring having 1 or 2 oxygen or sulphur heteroatoms; or pyridyl; andR.sup.4 is unsubstituted or substituted carboacyl or sulphonyl; are useful for their diuretic, saluretic, antihypertensive and antithrombotic properties.Type: GrantFiled: January 17, 1978Date of Patent: June 10, 1980Assignee: Bayer AktiengesellschaftInventors: Eike Moller, Karl-August Meng, deceased, Egbert Wehinger, Harald Horstmann, Friedel Seuter
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Patent number: 4188395Abstract: The present invention provides 1,4-dihydropyridine derivatives of the formula in which ##STR1## R represents hydrogen, alkyl, alkenyl, alkoxyalkyl, aryl or aralkyl, the alkyl and aryl groups being optionally substituted,A represents a straight-chain or branched alkylene radical,R.sup.1 represents (a) an optionally substituted alkylthio group or (b) a group of the formula O--CO-alkyl, O--CO-aryl or O--CO-aralkyl, the alkyl and aryl groups being optionally substituted or (c) a phthalimido radical which is optionally substituted in the benzene ring, Y and Z are identical or different and each represents a group of the formula COOR.sup.2 or COR.sup.2,whereinR.sup.2 represents alkyl, alkenyl, alkinyl, alkoxyalkyl, hydroxyalkyl, aminoalkyl, alkylaminoalkyl or aralkyl, the alkyl and aryl radicals being optionally substituted, orY and Z are identical or different and each represents a cyano radical or a radical of the formula S(O).sub.n --R.sup.3,whereinR.sup.Type: GrantFiled: December 1, 1977Date of Patent: February 12, 1980Assignee: Bayer AktiengesellschaftInventors: Friedrich Bossert, Egbert Wehinger, Horst Meyer, Arend Heise, Stanislav Kazda, Kurt Stoepel, Robertson Towart, Wulf Vater, Klaus Schlossmann
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Patent number: 4179500Abstract: The invention concerns the provision of novel 1,4-dihydropyridine-sugar derivatives and processes for their preparation. The invention also concerns pharmaceutical compositions containing the compounds of the invention and methods for their use. The products of the invention, such as 2-[1,4-dihydro-5-(2-propyl)-oxycarbonyl-2,6-dimethyl-4-m-nitrophenyl-3- pyridylcarbonyloxy]-ethyl .beta.-D-glucopyranoside, are effective for the treatment of circulatory disorders and can be used as antihypertensive agents, vasodilators or coronary therapeutic agents.Type: GrantFiled: August 26, 1977Date of Patent: December 18, 1979Assignee: Bayer AktiengesellschaftInventors: Bodo Junge, Friedrich Bossert, Horst Meyer, Egbert Wehinger, Wulf Vater, Arend Heise, Stanislav Kazda, Kurt Stoepel
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Patent number: 4177278Abstract: The invention includes the provision of 2-alkyleneaminodihydropyridines and salts thereof and are useful, inter alia, as coronary dilators and antihypertensive agents. Also included in the invention are pharmaceutical compositions containing said 2-alkyleneaminodihydropyridines and methods of treatment involving the use of said compounds or compositions.Type: GrantFiled: March 15, 1978Date of Patent: December 4, 1979Assignee: Bayer AktiengesellschaftInventors: Friedrich Bossert, Egbert Wehinger, Arend Heise, Stanislav Kazda, Kurt Stoepel, Robertson Towart, Wulf Vater, Klaus Schlossmann
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Patent number: 4166855Abstract: The invention provides a novel compound, 1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)-3,5-pyridinedicarboxylic acid isopropyl 2-propoxyethyl ester and processes for its preparation. In addition, the invention includes the provision of compositions containing the compound of the invention and methods for treating warm-blooded animals for peripheral perfusion disturbances.Type: GrantFiled: October 6, 1977Date of Patent: September 4, 1979Assignee: Bayer AktiengesellschaftInventors: Egbert Wehinger, Friedrich Bossert, Horst Meyer, Arend Heise, Stanislav Kazda, Kurt Stoepel, Wulf Vater
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Patent number: 4162321Abstract: The invention relates to new dihydropyridines which are substituted by an amino group in at least one of the 2- and 6-positions, by a sulphur-containing substituent in the 3-position, by a cyclic substituent in the 4-position and by a carbonyl substituent in the 5-position. The new dihydropyridines are particularly useful as agents which influence the circulatory system. Also included in the invention are procedures for preparation of the new dehydropyridines, compositions containing them and methods for their use.Type: GrantFiled: August 26, 1977Date of Patent: July 24, 1979Assignee: Bayer AktiengesellschaftInventors: Egbert Wehinger, Friedrich Bossert, Horst Meyer, Gerhard Franckowiak, Wulf Vater, Arend Heise, Stanislav Kazda, Kurt Stoepel
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Patent number: 4160098Abstract: Pyrazole derivatives of the formula: ##STR1## and pharmaceutically acceptable nontoxic salts thereof wherein R is hydrogen, trifluoromethyl or alkyl;R.sup.1 is hydrogen or alkyl;R.sup.2 is alkyl;R.sup.3 is an unsubstituted or substituted aryl moiety;R.sup.3 is naphthyl or pyridyl; andR.sup.4 is R.sup.5 CO wherein R.sup.5 is alkyl unsubstituted or substituted by 1, 2 or 3 halogen moieties, by alkoxy, or by mono- or dialkylamino; lower alkoxy; dialkylamino; thiophene; phenyl unsubstituted or substituted by 1 or 2 alkyl, trifluoromethyl, alkoxy, nitro or halogen moieties; or a 5- to 7-membered heterocycle unsubstituted or substituted by 1 or 2 halogen, alkyl or nitro moieties; orR.sup.4 is Z-SO.sub.2 wherein Z is alkyl, phenyl or phenyl substituted by 1 or 2 alkyl, halogen, nitro, trifluoromethyl or trifluoromethylsulphonyl moieties; or dichloroquinoxalinyl.The pyrazole derivatives and their salts are useful as diuretics, saluretics and antihypertensives.Type: GrantFiled: April 28, 1977Date of Patent: July 3, 1979Assignee: Bayer AktiengesellschaftInventors: Eike Moller, Karl Meng, Egbert Wehinger, Harald Horstmann
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Patent number: 4154839Abstract: The isobutyl methyl 1,4-dihydro-2,6-dimethyl-4-(2-nitrophenyl)-3,5-pyridinedicarboxylate demonstrates the unique ability of increasing myocardial perfusion upon oral or intravenous administration. Methods of preparing the compound, its use in coronary conditions and pharmaceutical compositions for effecting that use are disclosed.Type: GrantFiled: May 8, 1978Date of Patent: May 15, 1979Assignee: Bayer AktiengesellschaftInventors: Egbert Wehinger, Friedrich Bossert, Arend Heise, Stanislav Kazda, Kurt Stoepel, Wulf Vater
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Patent number: 4146627Abstract: The circulation provides new aminoalkylidene-amino-1,4-dihydropyridines which influence the circulatory system and are useful, for instance, as antihypertensive agents. Also included in the invention are methods for the preparation of said dihydropyridines, compositions containing them and methods for their use.Type: GrantFiled: August 26, 1977Date of Patent: March 27, 1979Assignee: Bayer AktiengesellschaftInventors: Egbert Wehinger, Friedrich Bossert, Horst Meyer, Wulf Vater, Arend Heise, Stanislav Kaada, Kurt Stoepel
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Patent number: 4122281Abstract: Pyrazole derivatives of the formula: ##STR1## and pharmaceutically acceptable nontoxic salts thereof wherein R is hydrogen, trifluoromethyl or alkyl;R.sup.1 is hydrogen or alkyl;R.sup.2 is alkyl;R.sup.3 is a substituted aryl moiety orR.sup.3 is naphthyl or pyridyl; andR.sup.4 is R.sup.5 CO wherein R.sup.5 is alkyl unsubstituted or substituted by 1, 2 or 3 halogen moieties, by alkoxy, or by mono- or dialkylamino; lower alkoxy; dialkylamino; thiophene; phenyl unsubstituted or substituted by 1 or 2 alkyl, trifluoromethyl, alkoxy, nitro or halogen moieties; or a 5- to 7-membered heterocycle unsubstituted or substituted by 1 or 2 halogen, alkyl or nitro moieties; orR.sup.4 is Z-SO.sub.2 wherein Z is alkyl, phenyl or phenyl substituted by 1 or 2 alkyl, halogen, nitro, trifluoromethyl or trifluoromethylsulphonyl moieties; or dichloroquinoxalinyl. The pyrazole derivatives and their salts are useful as diuretics, saluretics and antihypertensives.Type: GrantFiled: January 10, 1977Date of Patent: October 24, 1978Assignee: Bayer AktiengesellschaftInventors: Eike Moller, Karl Meng, Egbert Wehinger, Harald Horstmann
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Patent number: 4122279Abstract: Pyrazole derivatives of the formula: ##STR1## and pharmaceutically acceptable nontoxic salts thereof wherein R is hydrogen, trifluoromethyl or alkyl;R.sup.1 is hydrogen or alkyl;R.sup.2 is alkyl;R.sup.3 is a substituted aryl moiety; orR.sup.3 is naphthyl or pyridyl; andR.sup.4 is R.sup.5 CO wherein R.sup.5 is alkyl unsubstituted or substituted by 1, 2 or 3 halogen moieties, by alkoxy, or by mono- or dialkylamino; lower alkoxy; dialkylamino; thiophene; phenyl unsubstituted or substituted by 1 or 2 alkyl, trifluoromethyl, alkoxy, nitro or halogen moieties; or a 5- to 7-membered heterocycle unsubstituted or substituted by 1 or 2 halogen, alkyl or nitro moieties; orR.sup.4 is Z-SO.sub.2 wherein Z is alkyl, phenyl or phenyl substituted by 1 or 2 alkyl, halogen, nitro, trifluoromethyl or trifluoromethylsulphonyl moieties; or dichloroquinoxalinyl.The pyrazole derivatives and their salts are useful as diuretics, saluretics and antihypertensives.Type: GrantFiled: April 11, 1977Date of Patent: October 24, 1978Assignee: Bayer AktiengesellschaftInventors: Eike Moller, Karl Meng, Egbert Wehinger, Harald Horstmann
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Patent number: 4122280Abstract: Pyrazole derivatives of the formula: ##STR1## and pharmaceutically acceptable nontoxic salts thereof wherein R is hydrogen, trifluoromethyl or alkyl;R.sup.1 is hydrogen or alkyl;R.sup.2 is alkyl;R.sup.3 is a substituted aryl;R.sup.3 is naphthyl or pyridyl; andR.sup.4 is R.sup.5 CO wherein R.sup.5 is alkyl unsubstituted or substituted by 1, 2 or 3 halogen moieties, by alkoxy, or by mono- or dialkylamino; lower alkoxy; dialkylamino; thiophene; phenyl unsubstituted or substituted by 1 or 2 alkyl, trifluoromethyl, alkoxy, nitro or halogen moieties; or a 5- to 7-membered heterocycle unsubstituted or substituted by 1 or 2 halogen, alkyl or nitro moieties; orR.sup.4 is Z-SO.sub.2 wherein Z is alkyl, phenyl or phenyl substituted by 1 or 2 alkyl, halogen, nitro, trifluoromethyl or trifluoromethylsulphonyl moieties; or dichloroquinoxalinyl.The pyrazole derivatives and their salts are useful as diuretics, saluretics and antihypertensives.Type: GrantFiled: March 31, 1976Date of Patent: October 24, 1978Assignee: Bayer AktiengesellschaftInventors: Eike Moller, Karl Meng, Egbert Wehinger, Harald Horstmann
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Patent number: 4117143Abstract: Pyrazoles of the formula ##STR1## wherein R is hydrogen, alkyl, trifluoromethyl, aryl, aralkyl or a heterocycle;R.sup.2 is hydrogen, alkyl, aryl or aralkyl;R.sup.3 is an unsubstituted or substituted carboacyl or sulphonyl moiety;X is (a) methylene; (b) ethylene; (c) ethylene wherein 1 hydrogen atom on one or both of the carbon atoms is substituted by alkyl of 1 to 4 carbon atoms; (d) ethylene, or ethylene wherein 1 hydrogen atom on one or both of the carbon atoms is substituted by alkyl of 1 to 4 carbon atoms, linked to R.sup.2 via an oxygen or sulphur atom; (e) propenyl; or (f) propenyl wherein a hydrogen atom on 1, 2 or 3 of the carbon atoms is substituted by alkyl of 1 to 4 carbon atoms; said propenyl moiety being linked to the N.sup.1 atom via a methylene moiety; andR.sup.Type: GrantFiled: February 8, 1977Date of Patent: September 26, 1978Assignee: Bayer AktiengesellschaftInventors: Eike Moller, Karl-August Meng, deceased, Egbert Wehinger, Harald Horstmann, Friedel Seuter
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Patent number: 4117145Abstract: Pyrazoles of the formula ##STR1## wherein R is hydrogen, alkyl, trifluoromethyl, aryl, aralkyl or a heterocycle;R.sup.1 is hydrogen, alkyl, aryl or aralkyl;R.sup.3 is an unsubstituted or substituted carboacyl or sulphonyl moiety;X is (a) methylene; (b) ethylene; (c) ethylene wherein 1 hydrogen atom on one or both of the carbon atoms is substituted by alkyl of 1 to 4 carbon atoms; (d) ethylene, or ethylene wherein 1 hydrogen atom on one or both of the carbon atoms is substituted by alkyl of 1 to 4 carbon atoms, linked to R.sup.2 via an oxygen or sulphur atom; (e) propenyl; or (f) propenyl wherein a hydrogen atom on 1, 2 or 3 of the carbon atoms is substituted by alkyl of 1 to 4 carbon atoms; said propenyl moiety being linked to the N.sup.1 atom via a methylene moiety; andR.sup.Type: GrantFiled: February 8, 1977Date of Patent: September 26, 1978Assignee: Bayer AktiengesellschaftInventors: Eike Moller, Karl-August Meng, deceased, Egbert Wehinger, Harald Horstmann, Friedel Seuter
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Patent number: 4113957Abstract: Pyrazoles of the formula ##STR1## wherein R is hydrogen, alkyl, trifluoromethyl, aryl, aralkyl or a heterocycle;R.sup.1 is hydrogen, alkyl, aryl or aralkyl;R.sup.3 is an unsubstituted or substituted carboacyl or sulphonyl moiety;X is (a) methylene; (b) ethylene; (c) ethylene wherein 1 hydrogen atom on one or both of the carbon atoms is substituted by alkyl of 1 to 4 carbon atoms; (d) ethylene, or ethylene wherein 1 hydrogen atom on one or both of the carbon atoms is substituted by alkyl of 1 to 4 carbon atoms, linked to R.sup.2 via an oxygen or sulphur atom; (e) propenyl; of (f) propenyl wherein a hydrogen atom on 1, 2 or 3 of the carbon atoms is substituted by alkyl of 1 to 4 carbon atoms; said propenyl moiety being linked to the N.sup.1 atom via a methylene moiety; andR.sup.Type: GrantFiled: June 8, 1976Date of Patent: September 12, 1978Assignee: Bayer AktiengesellschaftInventors: Eike Moller, Karl-August Meng, deceased, Egbert Wehinger, Harald Horstmann, Friedel Seuter
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Patent number: RE30420Abstract: 1-Substituted pyrazole-5-ones of the formula ##STR1## and pharmaceutically acceptable, nontoxic salts thereof, wherein R is hydrogen or amino;R.sup.1 is hydrogen, alkyl, alkenyl, unsubstituted or substituted aryl or unsubstituted or substituted aralky;X isa. ethylene, ethylene wherein 1 hydrogen atom on one of the carbon atoms is substituted by alkyl of 1 to 4 carbon atoms, ethylene wherein 1 hydrogen atom on each of the two carbon atoms is substituted by alkyl of 1 to 4 carbon atoms or said ethylene which is linked to R.sup.2 via an oxygen or sulphur atom;b. propenyl, propenyl wherein 1 hydrogen atom on one, two or three of the carbon atoms is substituted by alkyl of 1 to 4 carbon atoms, said propenyl being linked to the N.sup.1 atom of the pyrazol ring via its methylene moiety; orc. methylene;provided that when X is methylene, R.sup.1 is not hydrogen if R is amino;R.sup.2 is aryl unsubstituted or substituted by:a.Type: GrantFiled: February 4, 1977Date of Patent: October 21, 1980Assignee: Bayer AktiengesellschaftInventors: Eike Moller, Karl-August Meng, deceased, Egbert Wehinger, Harald Horstmann