Patents by Inventor Manfred Jautelat

Manfred Jautelat 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: 5010208
    Abstract: New alkylcycloalkyl triazolylmethyl ketones of the general formula ##STR1## in which R represents an alkyl group andn is 3, 4, 5, 6 and 7,are produced as described and find use as intermediate products for the preparation of cycloalkyl (.alpha.-triazolyl-.beta.-hydroxy)-ketones, which possess fungicidal and plant growth-regulating properties.
    Type: Grant
    Filed: February 16, 1990
    Date of Patent: April 23, 1991
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wolfgang Kramer, Manfred Jautelat, Eckart Kranz
  • Patent number: 4992577
    Abstract: A process for preparing a compound of the formula ##STR1## in which Y is halogen, alkyl or cycloalkyl optionally substituted by halogen or C.sub.1-4 -alkoxy, alkenyl optionally substituted by halogen, aryl, heteroaryl or alkoxycarbonyl,X is hydrogen, halogen or optionally halogen-substituted alkyl, orX and Y, together with the adjacent C atom, form a saturated cycloalkphatic ring having up to 6 C atoms, andR is hydrogen or C.sub.1 -C.sub.4 -alkyl, comprising reacting an aldehyde of the formula ##STR2## with 2-methylbutan-3-one of the formula ##STR3## in the presence of a hydrohalic acid thereby to form a 4,4-dimethyl-3-halogeno-1-hexen-5-one of the formula ##STR4## in which Hal is halogen, halogenating said compound to produce a compound of the formula ##STR5## and reacting said compound with a base of the formulaR--OM (VI)in whichM is one equivalent of an alkali or alkaline earth metal ion.Compounds IV and V are new. By suitable conditions the trans isomer is selectively produced.
    Type: Grant
    Filed: May 22, 1989
    Date of Patent: February 12, 1991
    Assignee: Bayer Aktiengesellschaft
    Inventors: Reinhard Lantzsch, Dieter Arlt, Manfred Jautelat
  • Patent number: 4936907
    Abstract: Plant growth-regulating azolyl spiro compounds of the formula ##STR1## in which R stands for halogen, alkyl, alkoxy, alkylthio, optionally substituted phenyl, optionally substituted phenoxy, amino, alkylamino and/or dialkylamino,n stands for the numbers 0, 1, 2 or 3 andX stands for nitrogen or a CH group,and addition products thereof with acids and metal salts.
    Type: Grant
    Filed: October 26, 1988
    Date of Patent: June 26, 1990
    Assignee: Bayer Aktiengesellschaft
    Inventors: Manfred Jautelat, Hans-Ludwig Elbe, Klaus Lurssen
  • Patent number: 4921967
    Abstract: New alkylcycloalkyl triazolylmethyl ketones of the general formula ##STR1## in which R represents an alkyl group andn is 3, 4, 5, 6 and 7,are produced as described and find use as intermediate products for the preparation of cycloalkyl (.alpha.-triazolyl-.beta.-hydroxy)-ketones, which possess fungicidal and plant growth-regulating properties.
    Type: Grant
    Filed: May 27, 1987
    Date of Patent: May 1, 1990
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wolfgang Kramer, Manfred Jautelat, Eckart Kranz
  • Patent number: 4917720
    Abstract: Azolyl ether ketones and alcohols of the formula ##STR1## in which R.sup.1 and R.sup.2 each independently represents alkyl with more than one carbon atom, orR.sup.1 represents dichloromethyl, trichloromethyl, chlorovinyl or dichlorovinyl, andR.sup.2 represents alkyl,R.sup.3 represents alkyl,A represents the keto group or a CH(OH) grouping,Z represents a nitrogen atom or the CH group,X represents oxygen or sulfur andAr represents optionally substituted phenyl,or addition products thereof with acids and metal salts, are active against fungi and in regulating the growth of plants. New intermediates therefor are also shown.
    Type: Grant
    Filed: October 12, 1988
    Date of Patent: April 17, 1990
    Assignee: Bayer Aktiengesellschaft
    Inventors: Gerhard Jager, Manfred Jautelat, Wolfgang Kramer, Karl H. Buchel, Paul Reinecke, Wilhelm Brandes, Gerd Hanssler, Klaus Lurssen
  • Patent number: 4878939
    Abstract: Azolyl ether ketones and alcohols of the formula ##STR1## in which R.sup.1 and R.sup.2 each independently represents alkyl with more than one carbon atom, orR.sup.1 represents dichloromethyl, trichloromethyl, chlorovinyl or dichlorovinyl, andR.sup.2 represents alkyl,R.sup.3 represents alkyl,A represents the keto group or a CH(OH) grouping,Z represents a nitrogen atom or the CH group,X represents oxygen or sulphur andAr represents optionally substituted phenyl,or addition products thereof with acids and metal salts, are active against fungi and in regulating the growth of plants. New intermediates therefor are also shown.
    Type: Grant
    Filed: October 13, 1988
    Date of Patent: November 7, 1989
    Assignee: Bayer Aktiengesellschaft
    Inventors: Gerhard Jager, Manfred Jautelat, Wolfgang Kramer, Karl H. Buchel, Paul Reinecke, Wilhelm Brandes, Gerd Hanssler, Klaus Lurssen
  • Patent number: 4871484
    Abstract: A process for the preparation of a 2,2-bis-chloro-methyl-alkanecarboxylic acid of the formula ##STR1## in which R is hydrogen, alkyl, cycloalkyl or optionally substituted phenyl,which comprises reacting an oxetane-3-carboxylic acid of the formula ##STR2## or a salt thereof, with an inorganic acid chloride at a temperature between 20.degree. C. and the boiling point of the reaction mixture. The products are known intermediates for fungicides and herbicides.
    Type: Grant
    Filed: May 15, 1987
    Date of Patent: October 3, 1989
    Assignee: Bayer Aktiengesellschaft
    Inventors: Helmut Fiege, Manfred Jautelat, Dieter Arlt
  • Patent number: 4826865
    Abstract: Novel fungicidally active compounds of the formula ##STR1## in which X is nitrogen or the CH group,Y is hydrogen, bromine or iodine,Z is oxygen, sulphur, the --SO-- group or the --SO.sub.2 -- group, andAr is optionally substituted aryl,or physiologically tolerated addition products thereof with acids or metal salts.
    Type: Grant
    Filed: March 30, 1988
    Date of Patent: May 2, 1989
    Assignee: Bayer Aktiengesellschaft
    Inventors: Gerhard Jager, Manfred Jautelat, Dieter Arlt, Paul Reinecke, Wilhelm Brandes, Gerd Hanssler
  • Patent number: 4824975
    Abstract: A process for the preparation of an oxetane-3-carboxylic acid of the formula ##STR1## in which R represents hydrogen, alkyl, cycloalkyl or optionally substitute phenyl, comprising reacting a 3-hydroxymethyl-oxetane of the formula ##STR2## with oxygen in an aqueous alkaline medium at a temperature between about 0.degree. C. and the boiling point of the reaction mixture on a palladium and/or platinum catalyst. The product is an intermediate for known fungicides and herbicides.
    Type: Grant
    Filed: May 13, 1987
    Date of Patent: April 25, 1989
    Assignee: Bayer Aktiengesellschaft
    Inventors: Helmut Fiege, Manfred Jautelat, Dieter Arlt
  • Patent number: 4798899
    Abstract: Azolyl-tetrahydrofuran-2-ylidene-methanes of the formula ##STR1## in which A represents a nitrogen atom or the CH group,R represents alkyl, alkenyl, alkinyl, alkoxyalkyl, alkylthioalkyl, halogenoalkyl, halogenalkoxyalkyl, halogenoalkylthioalkyl, halogenoalkenyl, optionally substituted aralkyl, optionally substituted aryloxyalkyl, optionally substituted arylthioalkyl, optionally substituted cycloalkyl or optionally substituted cycloalkylalkyl,R.sup.1 to R.sup.6 are identical or different and represent hydrogen, alkyl, halogenoalkyl or halogen, up to at most 3 of the substituents representing halogen or halogenoalkyl, orR.sup.1 and R.sup.2, together with the carbon atom to which they are bonded, represent optionally substituted cycloalkyl, orR.sup.2 and R.sup.3, together with the carbon atoms to which they are bonded, represent optionally substituted cycloalkyl,or addition products thereof with acids or metal salts. Some new intermediates are also shown.
    Type: Grant
    Filed: June 27, 1986
    Date of Patent: January 17, 1989
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hans-Ludwig Elbe, Manfred Jautelat, Karl H. Buchel, Wilhelm Brandes, Gerd Hanssler, Paul Reinecke
  • Patent number: 4758582
    Abstract: Novel fungicidally active compounds of the formula ##STR1## in which X is nitrogen or the CH group,Y is hydrogen, bromine or iodine,Z is oxygen, sulphur, the --SO-- group or the --SO.sub.2 -- group, andAR is optionally substituted aryl,or physiologically tolerated additon products thereof with acids or metal salts.
    Type: Grant
    Filed: January 6, 1986
    Date of Patent: July 19, 1988
    Assignee: Bayer Aktiengesellschaft
    Inventors: Gerhard Jager, Manfred Jautelat, Dieter Arlt, Paul Reinecke, Wilhelm Brandes, Gerd Hanssler
  • Patent number: 4747869
    Abstract: Substituted azoyl-ketones and -alcohols of the formula ##STR1## in which A is a nitrogen atom or the CH group,B is CO or CH(OH),R.sup.1 is alkyl, alkenyl, alkinyl, optionally substituted phenylalkyl, optionally substituted cycloalkyl or optionally substituted cycloalkylalkyl,R.sup.2 is optionally substituted cycloalkyl or the grouping --C(CH.sub.3).sub.2 R.sup.3, andR.sup.3 is alkyl having more than 2 carbon atoms, alkenyl, alkinyl or the --CH.dbd.O group or a derivative thereof,or addition products thereof with acids or metal salts, exhibit plant growth regulating and fungicidal properties, several intermediates therefor are new.
    Type: Grant
    Filed: April 18, 1985
    Date of Patent: May 31, 1988
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wolfgang Kramer, Karl H. Buchel, Klaus Ditgens, Hans-Ludwig Elbe, Gerhard Jager, Manfred Jautelat, Klaus Lurssen, Paul Reinecke
  • Patent number: 4748249
    Abstract: Azolyl-tetrahydrofuran-2-ylidene-methanes of the formula ##STR1## in which A represents a nitrogen atom or the CH group,R represents alkyl, alkenyl, alkynyl, alkoxyalkyl, alkylthioalkyl, halogenoalkyl, halogenoalkoxyalkyl, halogenoalkylthioalkyl, halogenoalkenyl, optionally substituted aralkyl, optionally substituted aryloxyalkyl, optionally substituted arylthioalkyl, optionally substituted cycloalkyl or optionally substituted cycloalkylalkyl,R.sup.1 to R.sup.6 are identical or different and represent hydrogen, alkyl, halogenoalkyl or halogen, up to at most 3 of the substituents representing halogen or halogenoalkyl, orR.sup.1 and R.sup.2, together with the carbon atom to which they are bonded, represent optionally substituted cycloalkyl, orR.sup.2 and R.sup.3, together with the carbon atoms to which they are bonded, represent optionally substituted cycloalkyl,or addition products thereof with acids or metal salts. Some new intermediates are also shown.
    Type: Grant
    Filed: June 27, 1986
    Date of Patent: May 31, 1988
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hans-Ludwig Elbe, Manfred Jautelat, Karl H. Buchel, Wilhelm Brandes, Gerd Hanssler, Paul Reinecke
  • Patent number: 4731452
    Abstract: Azolylmethyl ketones of the formula ##STR1## in which A is a nitrogen atom or the CH group,R is adamantyl, or the group ##STR2## R.sup.1 is neopentyl, optionally substituted phenoxyethyl or cyanoethyl, R.sup.2 is alkyl,R.sup.3 is alkyl or halogen,n is 3, 4, 5, 6 or 7, andm is 1, 2, or 3,are useful as intermediates in making fungicidally active compounds of the formula ##STR3## .
    Type: Grant
    Filed: May 27, 1983
    Date of Patent: March 15, 1988
    Assignee: Bayer Aktiengesellschaft
    Inventors: Gerhard Jager, Manfred Jautelat, Wolfgang Kramer
  • Patent number: 4681952
    Abstract: A process for the preparation of 2,2-dimethyl-3-arylcyclopropanecarboxylic acid or ester of the formula ##STR1## in which Ar is naphthyl or the radical ##STR2## R.sup.1 is H or C.sub.1 -C.sub.4 -alkyl, Z is oxygen, sulphur, or 1,2-ethenediyl, andR.sup.2 represents hydrogen, halogen, cyano, nitro or trialkylsilyl or a radical, which is optionally substituted by halogen, from the series comprising alkyl, cycloalkyl, alkenyl, alkoxy, alkylenedioxy, alkylthio, alkylsulphinyl, alkylsulphonyl, dialkylamino, phenyl and phenoxy,comprising reacting a 1-aryl-1-halogeno-2,2-dimethyl-3-butanone of the formula ##STR3## in which X.sup.1 is chlorine or bromine, with a base in the presence of a diluent at a temperature between about -20.degree. and +150.degree. C., thereby to form a 2,2-dimethyl-3-arylcyclobutanone of the formula ##STR4## and reacting such 2,2-dimethyl-3-arylcyclobutanone with chlorine or bromine in the presence of an inert diluent at a temperature between about -30.degree. and +50.degree. C.
    Type: Grant
    Filed: November 7, 1984
    Date of Patent: July 21, 1987
    Assignee: Bayer Aktiengesellschaft
    Inventors: Reinhard Lantzsch, Dieter Arlt, Manfred Jautelat
  • Patent number: 4663465
    Abstract: 2,2-Dimethyl-3-arylcyclopropanecarboxylic acids and esters, suitable as insecticide intermediates, of the formula ##STR1## in which Ar is naphthyl or substituted furyl, thienyl or phenyl, andR.sup.1 is hydrogen or alkyl, are produced by subjecting ##STR2## to radical polymerization to produce ##STR3## reacting that with chlorine or bromine to produce ##STR4## and reacting that with an alkali metal or alkaline earth metal hydroxide or carbonate. Various intermediates II and III are new.
    Type: Grant
    Filed: December 4, 1985
    Date of Patent: May 5, 1987
    Assignee: Bayer Aktiengesellschaft
    Inventors: Reinhard Lantzsch, Dieter Arlt, Manfred Jautelat
  • Patent number: 4619940
    Abstract: Azolyl-tetrahydrofuran-2-ylidene-methanes of the formula ##STR1## in which A represents a nitrogen atom or the CH group,R represents alkyl, alkenyl, alkinyl, alkoxyalkyl, alkylthioalkyl, halogenoalkyl, halogenoalkoxyalkyl, halogenoalkylthioalkyl, halogenoalkenyl, optionally substituted aralkyl, optionally substituted aryloxyalkyl, optionally substituted arylthioalkyl, optionally substituted cycloalkyl or optionally substituted cycloalkylalkyl,R.sup.1 to R.sup.6 are identical or different and represent hydrogen, alkyl, halogenoalkyl or halogen, up to at most 3 of the substituents representing halogen or halogenoalkyl, orR.sup.1 and R.sup.2, together with the carbon atom to which they are bonded, represent optionally substituted cycloalkyl, orR.sup.2 and R.sup.3, together with the carbon atoms to which they are bonded, represent optionally substituted cycloalkyl,or addition products thereof with acids or metal salts. Some new intermediates are also shown.
    Type: Grant
    Filed: October 9, 1984
    Date of Patent: October 28, 1986
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hans-Ludwig Elbe, Manfred Jautelat, Karl H. Buchel, Wilhelm Brandes, Gerd Hanssler, Paul Reinecke
  • Patent number: 4562198
    Abstract: Azolyl-tetrahydrofuran-2-ylidene-methanes of the formula ##STR1## in which A represents a nitrogen atom or the CH group;X represents oxygen, sulphur or the SO or SO.sub.2 group;R represents optionally substituted aryl;R.sup.1 and R.sup.6 are identical or different and represent hydrogen, alkyl, halogenoalkyl or halogen, a maximum of up to 3 substituents representing halogen or halogenoalkyl, with the proviso that R.sup.1 and R.sup.2 are not at the same time methyl if X represents oxygen;R.sup.1 and R.sup.2, together with the carbon atom to which they are bonded, represent optionally substituted cycloalkyl orR.sup.2 and R.sup.3, together with the carbon atoms to which they are bonded, represent optionally substituted cycloalkyl,or addition products thereof with acids or metal salts. Some new intermediates are also shown. The end products are fungicides.
    Type: Grant
    Filed: October 5, 1984
    Date of Patent: December 31, 1985
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hans-Ludwig Elbe, Manfred Jautelat, Karl H. Buchel, Wilhelm Brandes, Gerd Hanssler, Paul Reinecke
  • Patent number: 4547515
    Abstract: A composition active against plant fungi comprising a diluent and a plant-fungicidally effective amount of an azolyl-phenoxy-tetrahydrofuran-2-ylidene-methane of the formula ##STR1## in which A is a nitrogen atom or the CH group, andR is optionally substituted phenyl,or a physiologically acceptable acid addition salt thereof.
    Type: Grant
    Filed: August 1, 1983
    Date of Patent: October 15, 1985
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hans-Ludwig Elbe, Manfred Jautelat, Karl H. Buchel, Wilhelm Brandes, Paul Reinecke, Hans Scheinpflug
  • Patent number: 4514409
    Abstract: 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: Grant
    Filed: July 14, 1982
    Date of Patent: April 30, 1985
    Assignee: Bayer Aktiengesellschaft
    Inventors: Gerhard Jager, Manfred Jautelat, Karl H. Buchel, Wilhelm Brandes, Paul-Ernst Frohberger