Patents by Inventor Paul-Ernst Frohberger
Paul-Ernst Frohberger 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: 4715887Abstract: New substituted triazolylmethyl tert.-butyl carbinols of the formula ##STR1## in which R represents alkyl, alkenyl, alkynyl, optionally substituted cycloalkyl, optionally substituted cycloalkylalkyl or optionally substituted aralkyl,X represents hydrogen or halogen andY represents halogen,and the acid addition salts and metal salt complexes thereof, a process for the preparation of said novel compounds, their use as plant protection agents and as intermediate products for the synthesis of other plant protection agents.Type: GrantFiled: December 21, 1984Date of Patent: December 29, 1987Assignee: Bayer AktiengesellschaftInventors: Wolfgang Kramer, Karl H. Buchel, Paul-Ernst Frohberger, Wilhelm Brandes, Klaus Lurssen
-
Patent number: 4711657Abstract: New substituted triazolylmethyl tert.-butyl ketones of the formula ##STR1## in which R represents alkyl, alkenyl, alkynyl, optionally substituted cycloalkyl, optionally substituted cycloalkylalkyl or optionally substituted aralkyl,X represents hydrogen or halogen andY represents halogen,and the acid addition salts and metal salt complexes thereof, a process for the preparation of said novel compounds, their use as plant protection agents and as intermediate products for the synthesis of other plant protection agents.Type: GrantFiled: December 21, 1984Date of Patent: December 8, 1987Assignee: Bayer AktiengesellschaftInventors: Wolfgang Kramer, Karl H. Buchel, Paul-Ernst Frohberger, Wilhelm Brandes, Klaus Lurssen
-
Patent number: 4699645Abstract: Compound which are azolyl-thioether derivatives of the general formula ##STR1## in which A represents a nitrogen atom or a CH group,B represents a CO or CH(OH) group,m is 0 or 2,R.sup.1 represents an optionally substituted phenyl radical andR.sup.2 represents an optionally substituted cycloalkyl radical or a grouping of the general formula ##STR2## wherein X and Y are identical or different and represent a hydrogen or halogen atom,Z represent an alkyl, optionally substituted phenyl, optionally substituted phenoxy, optionally substituted phenylthio, optionally substituted benzyloxy, optionally substituted benzylthio, alkoxy, alkylthio, halogenoalkoxy, halogenoalkylthio, alkoxycar-onyl or cyano radical, andn is 0 or 1,and the acid addition salts and metal salt complexes thereof, are novel and prepared by several processes described and find use as fungicides and as agents for regulating plant growth.Type: GrantFiled: September 5, 1985Date of Patent: October 13, 1987Assignee: Bayer AktiengesellschaftInventors: Erik Regel, Wilfried Draber, Karl H. Buchel, Paul-Ernst Frohberger, Klaus Lurssen
-
Patent number: 4647302Abstract: 1-Vinyltriazole compounds of the formula ##STR1## wherein R.sup.1 is alkyl, substituted alkyl, cycloalkyl, aryl or substituted aryl;R.sup.2 is alkyl;R.sup.3 is alkyl, cycloalkyl, cycloalkenyl, substituted cycloalkenyl, alkenyl, aryl or substituted aryl; orR.sup.2 and R.sup.3, together with the carbon to which they are bonded, represent cycloalkenyl, substituted cycloalkenyl, cycloalkyl or substituted cycloalkyl;X is the group ##STR2## or, alternatively, X may represent a keto group provided that when X is a keto group R.sup.1 is alkyl, substituted alkyl, cycloalkyl, or substituted cycloalkyl;R.sup.4 is hydrogen, alkyl, aralkyl, substituted aralkyl, acyl, carbamoyl or substituted carbamoyl;R.sup.5 is hydrogen, alkyl, aralkyl or substituted aralkyl;and acid addition salts and metal salt complexes thereof; are outstandingly effective plant growth regulants and as fungicides.Type: GrantFiled: June 12, 1984Date of Patent: March 3, 1987Assignee: Bayer AktiengesellschaftInventors: Wolf Reiser, Wilfried Draber, Karl H. Buchel, Klaus Lurssen, Paul-Ernst Frohberger, Volker Paul
-
Patent number: 4629732Abstract: New 3-substituted 1-azolyl-3-methyl-1-phenoxy-butan-2-ones and -ols of the general formula ##STR1## in which Az represents 1,2,4-triazol-1-yl, 1,2,4-triazol-4-yl or imidazol-1-yl,B represents the keto group or the CH(OH) group,Y represents oxygen or sulphur,R represents halogenoalkyl, optionally substituted phenyl or optionally substituted benzyl, or provided Y represents sulphur, may represent alkyl andX.sup.1, X.sup.2 and X.sup.3 are selected independently and each represent hydrogen, halogen, alkyl, halogenoalkyl, alkoxy, alkylthio, alkylsulphonyl, nitro, cyano, alkoxycarbonyl or optionally substituted phenyl,are obtained if halogenoether ketones are reacted with 1,2,4-triazole or imidazole in the presence of a diluent and of an acid-binding agent, and, if appropriate, the keto derivatives thus obtained are reduced.Type: GrantFiled: April 17, 1984Date of Patent: December 16, 1986Assignee: Bayer AktiengesellschaftInventors: Udo Kraatz, Erich Klauke, Gerhard Jager, Karl H. Buchel, Paul-Ernst Frohberger, Wilhelm Brandes
-
Patent number: 4626595Abstract: According to the present invention 1-hydroxyethyl azole compounds are provided for in a process characterized by reacting an oxirane of the general formula ##STR1## in which R represents an alkyl radical, an optionally substituted cycloalkyl radical or an optionally substituted phenyl radical,Y represents a grouping --OCH.sub.2 --, --CH.sub.2 CH.sub.2 -- or --CH.dbd.CH--,Z represents a halogen atom, an alkyl, cycloalkyl, alkoxy, alkylthio, halogenoalkyl, halogenoalkoxy or halogenoalkylthio radical, an optionally substituted phenyl radical, an optionally substituted phenoxy radical, an optionally substituted phenylalkyl radical or an optionally substituted phenylalkoxy radical andm is 0, 1, 2 or 3,with an azole of the general formula ##STR2## in which X represents a nitrogen atom or a CH group.Type: GrantFiled: January 28, 1985Date of Patent: December 2, 1986Assignee: Bayer AktiengesellschaftInventors: Graham Holmwood, Karl H. Buchel, Klaus Lurssen, Paul-Ernst Frohberger, Wilhelm Brandes
-
Patent number: 4582846Abstract: Fungicidally active novel substituted azolylethyl oximinoalkyl ethers of the formula ##STR1## in which A is a nitrogen atom or the CH group,R.sup.1 is optionally substituted phenyl,R.sup.2, R.sup.3 and R.sup.4 each independently is hydrogen, alkyl or optionally substituted phenyl, andR.sup.5 is hydrogen, alkyl, alkenyl, alkinyl, optionally substituted phenyl or optionally substituted phenylalkyl,or addition products thereof with acids or metal salts.Type: GrantFiled: June 20, 1984Date of Patent: April 15, 1986Assignee: Bayer AktiengesellschaftInventors: Jorg Stetter, Karl H. Buchel, Paul Reinecke, Wilhelm Brandes, Paul-Ernst Frohberger
-
Patent number: 4578396Abstract: Hydroxyalkinyl-azolyl derivatives of the formula ##STR1## in which A is a nitrogen atom or the CH group,R is optionally substituted alkyl, cycloalkyl or phenyl,R.sup.1 is hydrogen, alkyl, alkenyl, alkinyl, or optionally substituted benzyl,R.sup.2 is hydrogen or methyl, andX is hydrogen, bromine or iodine,or addition products thereof with acids or metal salts exhibit fungicidal activity. Some intermediates therefor are also new.Type: GrantFiled: May 27, 1983Date of Patent: March 25, 1986Assignee: Bayer AktiengesellschaftInventors: Gerhard Jager, Klaus Bockmann, Karl H. Buchel, Wilhelm Brandes, Paul-Ernst Frohberger, Hans Scheinpflug
-
Patent number: 4559077Abstract: Compounds which are azolyl-thioether derivatives of the general formula ##STR1## in which A represents a nitrogen atom or a CH group,B represents a CO or CH(OH) group,m is 0 or 2,R.sup.1 represents an optionally substituted phenyl radical andR.sup.2 represents an optionally substituted cycloalkyl radical or a grouping of the general formula ##STR2## wherein X and Y are identical or different and represent a hydrogen or halogen atom,Z represents an alkyl, optionally substituted phenyl, optionally substituted phenoxy, optionally substituted phenylthio, optionally substituted benzyloxy, optionally substituted benzylthio, alkoxy, alkylthio, halogenoalkoxy, halogenoalkylthio, alkoxycar-onyl or cyano radical, andn is 0 or 1,and the acid addition salts and metal salt complexes thereof, are novel and prepared by several processes described and find use as fungicides and as agents for regulating plant growth.Type: GrantFiled: December 29, 1982Date of Patent: December 17, 1985Assignee: Bayer AktiengesellschaftInventors: Erik Regel, Wilfried Draber, Karl H. Buchel, Paul-Ernst Frohberger, Klaus Lurssen
-
Patent number: 4549900Abstract: Substituted 1-azolyl-but-2-ones and -2-ols of the formula ##STR1## in which B is --CO-- or --CH(OH)--Az represents a 1,2,4-triazol-1-yl or -4-yl or imidazol-1-yl radical,R.sup.1 represents a hydrogen atom, an alkyl, alkenyl, alkinyl, optionally substituted cycloalkyl, optionally substituted cycloalkylalkyl, optionally substituted phenoxyalkyl or optionally substituted aralkyl radical,n is 0 or 1,R.sup.2 represents a cyano radical or a grouping of the general formula --X--R.sup.3 or --CO--NR.sup.4 R.sup.5, or, if n does not represent O at the same time as R.sup.1 represents a hydrogen atom and Az represents a 1,2,4-triazolyl radical,R.sup.2 also additionally represents an optionally substituted aryl or alkoxycarbonyl radical,and whereinX represents an oxygen or sulphur atom or an SO or SO.sub.2 group,R.sup.3 represents an alkyl, halogenoalkyl, optionally substituted aryl or optionally substituted aralkyl radical,R.sup.4 represents a hydrogen atom or an alkyl or optionally substituted aryl radical, andR.sup.Type: GrantFiled: April 4, 1983Date of Patent: October 29, 1985Assignee: Bayer AktiengesellschaftInventors: Wolfgang Kramer, Karl H. Buchel, Hans-Ludwig Elbe, Udo Kraatz, Erik Regel, Paul-Ernst Frohberger, Wilhelm Brandes, Klaus Lurssen
-
Patent number: 4532341Abstract: Oxirane compounds of the formula ##STR1## in which R represents tert-butyl, iso-propyl radical, cyclopropyl, substituted cyclopropyl, cyclopentyl or substituted cyclopentyl, cyclohexyl or substituted cyclohexyl, in each case the substituent being selected from methyl, or phenyl which is optionally mono or di-substituted by identical or different substituents selected from fluorine, chlorine, methyl and trifluoromethyl,Y represents a grouping --OCH.sub.Type: GrantFiled: June 6, 1983Date of Patent: July 30, 1985Assignee: Bayer AktiengesellschaftInventors: Graham Holmwood, Karl H. Buchel, Klaus Lurssen, Paul-Ernst Frohberger, Wilhelm Brandes
-
Patent number: 4530715Abstract: Cycloalkyl (.alpha.-triazolyl-.beta.-hydroxy)-ketones of the general formula ##STR1## in which R.sup.1 represents an optionally substituted cycloalkyl group, andR.sup.2 represents a halogenoalkyl, halogenoalkenyl or alkoxycarbonyl group,and their physiologically acceptable acid addition salts and metal salt complexes are new, are prepared as described and find use as fungicides and plant growth regulators.Type: GrantFiled: November 2, 1982Date of Patent: July 23, 1985Assignee: Bayer AktiengesellschaftInventors: Eckart Kranz, Karl H. Buchel, Udo Kraatz, Erik Regel, Wilhelm Brandes, Paul-Ernst Frohberger, Klaus Lurssen
-
Patent number: 4518600Abstract: 1-Phenoxy-2-pyridinyl(pyrimidinyl)-alkanols of the formula ##STR1## in which R represents alkyl, optionally substituted aryl or optionally substituted aralkyl,X represents a nitrogen atom or the CH group,Y represents halogen, alkyl, cycloalkyl, alkoxy, halogenoalkyl, alkylthio, or an optionally substituted phenyl, phenoxy, phenylalkoxy or phenylalkyl radical, andn represents 0 or an integer from 1 to 5, the Y's being selected independently of one another when n is 2, 3, 4 or 5,in the form of the free base, a salt or a metal salt complex thereof, which possess fungicidal properties.Type: GrantFiled: June 20, 1980Date of Patent: May 21, 1985Assignee: Bayer AktiengesellschaftInventors: Graham Holmwood, Paul-Ernst Frohberger, Wilhelm Brandes, Volker Paul
-
Patent number: 4515617Abstract: A benzyl-pyrimidinylalkyl-ether of the formula ##STR1## in which R is alkyl, optionally substituted cycloalkyl or optionally substituted phenyl, andX.sup.1, X.sup.2 and X.sup.3 each independently is hydrogen, halogen, alkyl, cycloalkyl, alkoxy, alkylthio, halogenoalkyl, halogenoalkoxy, halogenoalkylthio, cyano, optionally substituted phenoxy, optionally substituted phenylalkyl or optionally substituted phenylalkoxy,or an acid addition salt or metal salt complex thereof, which possesses fungicidal and plant growth-regulating properties. The corresponding pyrimidinyl-carbinols are also new.Type: GrantFiled: August 2, 1983Date of Patent: May 7, 1985Assignee: Bayer AktiengesellschaftInventors: Graham Holmwood, Klaus Lurssen, Paul-Ernst Frohberger
-
Patent number: 4515812Abstract: N-Sulphenylated ureas of the formula ##STR1## in which R.sup.1 to R.sup.6 each independently is hydrogen, halogen, nitro, cyano, alkyl, alkoxy, alkylmercapto, trihalogenomethyl-, trihalogenomethoxy or trihalogenomethylmercapto,R.sup.7 is hydrogen or alkyl, andn is 0, 1, 2 or 3,which possess fungicidal properties.Type: GrantFiled: April 4, 1983Date of Patent: May 7, 1985Assignee: Bayer AktiengesellschaftInventors: Engelbert Kuhle, Wilhelm Brandes, Paul-Ernst Frohberger
-
Patent number: 4514409Abstract: 5-Aryloxy-5-azolyl-3,3-dimethylpent-1-en-4-ones and -ols of the formula ##STR1## in which Ar is an optionally substituted aryl group,Az is a 1,2,4-triazol-1-yl, 1,2,4-triazol-4-yl or imidazol-1-yl group, andB is a keto group of a CH(OH) grouping,or addition products thereof with physiologically acceptable acids or metal salts are suitable for use as plant protection agents, and can be employed with particularly good success for combating those fungi which cause powdery mildew diseases, thus for combating Erysiphe species, Sphaerotheca species and Podosphaera species, and for combating diseases of rice.Type: GrantFiled: July 14, 1982Date of Patent: April 30, 1985Assignee: Bayer AktiengesellschaftInventors: Gerhard Jager, Manfred Jautelat, Karl H. Buchel, Wilhelm Brandes, Paul-Ernst Frohberger
-
Patent number: 4507141Abstract: Triazolylalkyl-thioether plant growth regulators and fungicides of the formula ##STR1## in which A represents the keto group or the CH(OH) group,R.sup.1 represents alkyl, alkenyl, alkynyl, optionally substituted cycloalkyl, alkylaminoalkyl, alkoxycarbonylalkyl, optionally substituted phenyl or optionally substituted phenylalkyl,R.sup.2 represents alkyl,R.sup.3 represents alkyl or halogenoalkyl,R.sup.4 represents alkyl, halogenoalkyl, alkoxy, alkoxymethyl, alkylthio, alkylthiomethyl, optionally substituted phenyl, optionally substituted benzyl, optionally substituted phenoxy, optionally substituted phenoxymethyl, optionally substituted phenylthio, optionally substituted phenylthiomethyl, alkenyl, alkoxycarbonyl or cyano, orR.sup.3 and R.sup.4, conjointly with the carbon atom to which they are bonded, represent optionally substituted cycloalkyl andX.sup.1, X.sup.2, X.sup.3, X.sup.4 and X.sup.Type: GrantFiled: March 2, 1982Date of Patent: March 26, 1985Assignee: Bayer AktiengesellschaftInventors: Erik Regel, Karl H. Buchel, Klaus Lurssen, Paul-Ernst Frohberger
-
Patent number: 4505922Abstract: A fungicidal composition comprising a fungicidally effective amount of an alkinyl-azole derivative of the formula ##STR1## in which A is a nitrogen atom or the CH group,R.sup.1 is an optionally substituted aryl or optionally substituted aryloxy group,R.sup.2 is an alkyl group which is optionally substituted by halogen, or an optionally substituted aryl group,X is a hydrogen, bromine or iodine atom, andn is 0 or 1or an acid addition salt or metal salt complex thereof, in admixture with a diluent. Many of the compounds are new.Type: GrantFiled: June 7, 1982Date of Patent: March 19, 1985Assignee: Bayer AktiengesellschaftInventors: Gerhard Jager, Karl H. Buchel, Wolfgang Kramer, Paul-Ernst Frohberger, Wilhelm Brandes
-
Patent number: 4500537Abstract: A triazolyl-vinyl ketone or carbinol of the formula ##STR1## in which A represents the keto group or a CH(OH) grouping,R.sup.1 represents alkyl or halogenoalkyl andR.sup.2 represents a primary or tertiary alkyl radical, halogenoalkyl, alkoxyalkyl, alkylmercaptoalkyl, dialkylaminoalkyl, hydroxyalkyl, an optionally substituted alkenyl, alkynyl or alkenynyl radical, phenylalkyl which is optionally substituted in the alkyl part and/or in the phenyl part, an optionally substituted indenyl or fluorenyl radical, or an optionally substituted diphenylmethyl or triphenylmethyl radical,or an addition product thereof with a physiologically acceptable acid or a metal salt, which possesses fungicidal activity.Type: GrantFiled: May 13, 1983Date of Patent: February 19, 1985Assignee: Bayer AktiengesellschaftInventors: Hans-Ludwig Elbe, Karl H. Buchel, Paul-Ernst Frohberger, Wilhelm Brandes
-
Patent number: 4495184Abstract: A 1-phenyl-3-amino-propane derivative of the formula ##STR1## in which R.sup.1 and R.sup.2 independently represent alkyl radicals or R.sup.1 and R.sup.2 together with the nitrogen atom to which they are bonded complete an optionally substituted heterocyclic radical of the formula ##STR2## and or additionally, if R.sup.4 represents the radical --O--CO--R.sup.5, --O--CO--NHR.sup.6 or --O--SiR.sub.3.sup.7, complete an optionally substituted heterocyclic radical of the formula ##STR3## R.sup.3 represents a hydrogen atom or an alkyl radical, R.sup.4 represents a hydroxyl group, halogen or the radical --O--CO--R.sup.5, --O--CO--NHR.sup.6 or --O--SiR.sub.3.sup.7,R.sup.5 represents an alkyl, alkenyl or halogenoalkyl radical or an optionally substituted aryl or aralkyl radical,R.sup.6 represents an alkyl or alkenyl radical or an optionally substituted aryl radical,R.sup.Type: GrantFiled: May 23, 1983Date of Patent: January 22, 1985Assignee: Bayer AktiengesellschaftInventors: Hans-Joachim Knops, Wolfgang Kramer, Paul-Ernst Frohberger