Patents by Inventor Josef Ehrenfreund
Josef Ehrenfreund 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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Publication number: 20080161610Abstract: The present invention relates to a process for the preparation of compounds of formula (I) wherein the substituents are as defined in claim 1, by a) reaction of a compound of formula (II) to form a compound of formula (III) b) reaction of that compound in the presence of a base to form a compound of formula (IV) c) conversion of that compound in the presence of a reducing agent into a compound of formula (I).Type: ApplicationFiled: February 20, 2006Publication date: July 3, 2008Applicant: SYNGENTA CROP PROTECTION, INC.Inventors: Harald Walter, Camilla Corsi, Josef Ehrenfreund, Clemens Lamberth, Hermann Schneider, Hans Tobler
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Publication number: 20080132557Abstract: Compounds of the formula (I), in which the substituents are as defined in claim 1 are suitable for use as microbiocides.Type: ApplicationFiled: June 21, 2005Publication date: June 5, 2008Applicant: SYNGENTA CROP PROTECTION, INC.Inventors: Clemens Lamberth, Camilla Corsi, Josef Ehrenfreund, Hans Tobler, Harald Walter
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Patent number: 7355065Abstract: The present invention relates to a process for the preparation of a compound of the formula (I), wherein R is C1?12 alkyl, by the contact of a compound of the general formula (II), wherein R1 and R2 are each, independently, C1?12 alkyl; or R1 and R2 join together with the nitrogen atom to which they are attached to form an alicyclic amine ring containing 4 to 7 carbon atoms or a morpholine ring, with an acetic acid ester of the general formula (III) CH3COOR, wherein R is as defined under formula (I), in the presence of a base.Type: GrantFiled: July 13, 2005Date of Patent: April 8, 2008Assignee: Syngenta Crop Protection, Inc.Inventors: Harald Walter, Camilla Corsi, Josef Ehrenfreund, Clemens Lamberth, Hans Tobler
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Publication number: 20080076664Abstract: A method of controlling phytopathogenic diseases on useful plants or on propagation material thereof, which comprises applying to the useful plants, the locus thereof or propagation material thereof a combination of components A) and B) in a synergistically effective amount, wherein component A) is a compound of formula (I), wherein R1 is difluoromethyl or trifluoromethyl and R2 is C1-C6alkyl, C1-C4alkoxy-C1-C6 alkyl or C1-C6 haloalkyl; or a tautomer of such a compound; and component B) is a compound selected from compounds known for their fungicidal and/or insecticidal activity, is particularly effective in controlling or preventing fungal diseases of useful plants.Type: ApplicationFiled: October 6, 2005Publication date: March 27, 2008Inventors: Harald Walter, Camilla Corsi, Josef Ehrenfreund, Clemens Lamberth, Hans Tobler
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Publication number: 20080070785Abstract: The invention relates to fungicidal compositions comprising as active ingredient a combination of components A) and B) as defined in the patent claims, to a method of controlling phytopathogenic diseases on crop plants using such a compositions and to a method of protecting natural substances of vegetable and/or animal origin and/or their processed forms using such a composition.Type: ApplicationFiled: August 11, 2005Publication date: March 20, 2008Applicant: SYNGENTA CROP PROTECTION, INC.Inventors: Harald Walter, Urs Neuenschwander, Ronald Zeun, Josef Ehrenfreund, Hans Tobler, Camilla Corsi, Clemens Lamberth
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Publication number: 20080051446Abstract: The invention relates to a fungicidally active compound of formula (I): where Het is a 5- or 6-membered heterocyclic ring containing one to three heteroatoms, each independently selected from oxygen, nitrogen and sulphur, provided that the ring is not 1,2,3-triazole, the ring being substituted by groups R8, R9 and R10; X is a single or double bond; Y is O, S, N(R11) or (CR12R13)(CR14R15)m(CR16R17)n; m is 0 or 1; n is 0 or 1; and R1 to R17 each, independently, have a range of values; to the preparation of these compounds, to novel intermediates used in the preparation of these compounds, to agrochemical compositions which comprise at least one of the novel compounds as active ingredient, to the preparation of the compositions mentioned and to the use of the active ingredients or compositions in agriculture or horticulture for controlling or preventing infestation of plants by phytopathogenic microorganisms, preferably fungi.Type: ApplicationFiled: October 14, 2003Publication date: February 28, 2008Inventors: Josef Ehrenfreund, Hans Tobler, Harald Walter
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Publication number: 20080004465Abstract: The present invention relates to a process for the preparation of a compound of the formula (I), wherein R is C1-12 alkyl, by the contact of a compound of the general formula (II), wherein R1 and R2 are each, independently, C1-12 alkyl; or R1 and R2 join together with the nitrogen atom to which they are attached to form an alicyclic amine ring containing 4 to 7 carbon atoms or a morpholine ring, with an acetic acid ester of the general formula (III) CH3COOR, wherein R is as defined under formula (I), in the presence of a base.Type: ApplicationFiled: July 13, 2005Publication date: January 3, 2008Inventors: Harald Walter, Camilla Corsi, Josef Ehrenfreund, Clemens Lamberth, Hans Tobler
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Patent number: 7312179Abstract: A fungicidally active compound of formula (I): where X is (X1), (X2) or (X3); Het is a 5- or 6-membered heterocyclic ring containing one to three heteroatoms, each independently selected from oxygen, nitrogen and sulphur, provided that the ring is not 1,2,3-triazole, the ring being substituted by groups R4, R5 and R6; R1 and R2 are each, independently, hydrogen, halo or methyl; R3 is optionally substituted C2-12 alkyl, optionally substituted C2-12 alkenyl, optionally substituted C2-12 alkynyl, optionally substituted C3?12 cycloalkyl, optionally substituted phenyl or optionally substituted heterocyclyl; R4, R5 and R6 are each, independently, selected from hydrogen, halo, cyano, nitro, C1-4 alkyl, C1-4 haloalkyl, C1-4 alkoxy(C1-4)alkylene and C 1-4 haloalkoxy(C1-4)alkylene, provided that at least one of R4, R5 and R6 is not hydrogen; and R7 and R8 are each, independently, hydrogen, halogen, C1-4 alkyl or Clue haloalkyl; the invention also relates to the preparation of these compounds, to novel intermediates useType: GrantFiled: October 24, 2003Date of Patent: December 25, 2007Assignee: Syngenta Crop Protection, Inc.Inventors: Josef Ehrenfreund, Hans Tobler, Harald Walter
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Publication number: 20070265267Abstract: A method of controlling phytopathogenic diseases on useful plants or on propagation material thereof, which comprises applying to the useful plants, the locus thereof or propagation material thereof a combination of components A) and B) in a synergistically effective amount, wherein component A) is a compound of formula I wherein R1 is difluoromethyl or trifluoromethyl; Y is —CHR2— or and R2 is hydrogen or C1-C6alkyl; or a tautomer of such a compound; and component B) is a compound selected from compounds known for their fungicidal and/or insecticidal activity, is particularly effective in controlling or preventing fungal diseases of useful plants.Type: ApplicationFiled: April 5, 2007Publication date: November 15, 2007Applicant: Syngenta Crop Protection, Inc.Inventors: Harald WALTER, Camilla Corsi, Josef Ehrenfreund, Clemens Lamberth, Hans Tobler
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Publication number: 20070244121Abstract: A method of controlling phytopathogenic diseases on useful plants or on propagation material thereof, which comprises applying to the useful plants, the locus thereof or propagation material thereof a combination of components A) and B) in a synergistically effective amount, wherein component A) is a compound of formula (I), wherein R1 is difluoromethyl or trifluoromethyl; Y is —CHR2— or formula (DD) and R2 is hydrogen or C1-C6alkyl; or a tautomer of such a compound; and component B) is a compound selected from compounds known for their fungicidal and/or insecticidal activity, is particularly effective in controlling or preventing fungal diseases of useful plants.Type: ApplicationFiled: October 6, 2005Publication date: October 18, 2007Applicant: Syngenta Crop Protection, Inc.Inventors: Harald Walter, Camilla Corsi, Josef Ehrenfreund, Clemens Lamberth, Hans Tobler
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Patent number: 7241721Abstract: A fungicidally active compound of formula (I): where Het is a substituted 5- or 6-membered heterocyclic ring; R1 is hydrogen, formyl, CO—C1-4 alkyl, COO—C1-4 alkyl, C1-4 alkoxy(C1-4)alkylene, CO—C1-4 alkylenoxy(C1-4)alkyl, propargyl or allenyl; R2, R3, R4 and R5 are each, independently, hydrogen, halogen, methyl or CF3; each R6 is, independently, halogen, methyl or CF3; R7 is (Z)mC?C(Y1), (Z)mC(Y1)?C(Y2)(Y3) or tri(C1-4)alkylsilyl; X is O or S; Y1, Y2 and Y3 are each, independently, hydrogen, halogen, C1-6 alkyl [optionally substituted by one or more substituents each independently selected from halogen, hydroxy, C1-4 alkoxy, C1-4 haloalkoxy, C1-4 alkylthio, C1-4 haloalkylthio, C1-4 alkylamino, di(C1-4)alkylamino, C1-4 alkoxycarbonyl, C1-4 alkylcarbonyloxy and tri(C1-4)alkylsilyl], C2-4 alkenyl [optionally substituted by one or more substituents each independently selected from halogen], C2-4 alkynyl [optionally substituted by one or more substituents each independently selected from halogen], C3-7 cycloalkylType: GrantFiled: December 15, 2003Date of Patent: July 10, 2007Assignee: Syngenta Crop Protection, Inc.Inventors: Josef Ehrenfreund, Clemens Lamberth, Hans Tobler, Harald Walter
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Publication number: 20060287328Abstract: Fungicidal compounds of formula (1): where X is O or S; RING is phenyl or thienyl; Het is a 5- or 6-membered heterocyclic ring containing one to three heteroatoms, each independently selected from oxygen, nitrogen and sulphur, the ring being substituted by one to four groups R4; R1 is hydrogen, optionally substituted (C1-4)alkyl, formyl, optionally substituted (C1-4)alkylC(?O), optionally substituted (C1-4)alkylC(?O)O, optionally substituted (C1-4)alkoxy(C1-4)alkyl, optionally substituted allyl, optionally substituted propargyl or optionally substituted allenyl; each R2 is, independently, halogen, optionally substituted (C1-4)alkyl, optionally substituted (C1-4)alkoxy or optionally substituted (C1-4)alkoxy(C1-4)alkyl; R3 is (CRaRb)m-Cy-(CRcRd)n—Y; each R4 is, independently, selected from halogen, C1-3 alkyl, C1-3 haloalkyl, C1-3alkoxy(C1-3)alkyl and cyano; Ra, Rb, Rc and Rd are each, independently, hydrogen or optionally substituted (C1-4)alkyl; Cy is an optionally substituted carbocyclic or heterocyclic 3-7Type: ApplicationFiled: September 8, 2004Publication date: December 21, 2006Inventors: Josef Ehrenfreund, Clemens Lamberth, Hans Tobler, Harald Walter
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Publication number: 20060276434Abstract: The invention also relates to novel compounds of formula (I) where Het is a 5- or 6-membered heterocyclic ring containing one to three heteroatoms, each independently selected from oxygen, nitrogen and sulphur, the ring being substituted by one to three groups R4; R1 is hydrogen, optionally substituted (C1-4)alkyl, formyl, optionally substituted (C1-4)alkylC(?O), optionally substituted (C1-4)alkylC(?O)O, optionally substituted (C1-4)alkoxy(C1-4)alkyl, optionally substituted allyl, optionally substituted propargyl or optionally substituted allenyl; each R2 is, independently, halogen, optionally substitute (C1-4)alkyl, optionally substituted (C1-4)alkoxy or optionally substituted (C1-4)alkoxy(C1-4)alkyl; R3 is either position 2 or at position 4 of the thiophene ring and is an organic group containing three to thirteen carbon atoms and al least one silicon atom and, optionally, one to three heteroatoms, each independently selected from oxygen, nitrogen and sulphur, and is optionally substituted by one to four inType: ApplicationFiled: April 21, 2004Publication date: December 7, 2006Inventors: Josef Ehrenfreund, Harald Walter, Hans Tobler, Clemens Lamberth
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Publication number: 20060154967Abstract: A compound of formula (I):, where A is an ortho-substituted ring selected from a number of specified rings; R1 is halogen, cyano, nitro, C1-4 alkyl, C1-4 haloalkyl, C1-4 alkoxy or C1-4 haloalkoxy or optionally substituted C2-4 alkenyl, optionally substituted C2-4 alkynyl or optionally substituted SO2(C1-4 alkyl) (where the optionally substituted moieties may each have up to 3 substituents, each independently selected from halogen and C1-4 alkoxy); R2 is C1-4 alkyl, C1-4 haloalkyl, C1-4 alkoxy(C1-4)alkyl or C1-4 alkylthio(C1-4)alkyl or [optionally substituted aryl](C1-4)alkyl- or [optionally substituted aryl]oxy(C1-4)alkyl (where the optionally substituted aryl moieties may each have up to 3 substituents, each independently selected from halogen and C1-4 alkoxy); R3 is hydrogen, CH2C?CR4, CH2CR4?C(H)R4, CH?C?CH2 or COR5 or optionally substituted C1-4 alkyl, optionally substituted C1-4 alkoxy or optionally substituted (C1-4)alkylC(?O)O (where the optionally substituted moieties may each have up to 3 substituentType: ApplicationFiled: August 18, 2003Publication date: July 13, 2006Inventors: Josef Ehrenfreund, Hans Tobler, Harald Walter
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Publication number: 20060100250Abstract: A fungicidally active compound of formula (1): where Het is a substituted 5- or 6-membered heterocyclic ring; R1 is hydrogen, formyl, CO-C1-4 alkyl, COO-C1-4 alkyl, C1-4 alkoxy(C1-4)alkylene, CO-C1-4 alkylenoxy(C1-4)alkyl, propargyl or allenyl; R2, R3, R4 and R5 are each, independently, hydrogen, halogen, methyl or CF3; each R6 is, independently, halogen, methyl or CF3; R7 is (Z)mC?C(Y1), (Z)mC(Y1)?C(Y2)(Y3) or tri(C1-4)alkylsilyl; X is O or S; Y1, Y2 and Y3 are each, independently, hydrogen, halogen, C1-6 alkyl [optionally substituted by one or more substituents each independently selected from halogen, hydroxy, C1-4 alkoxy, C1-4 haloalkoxy, C1-4 alkylthio, C1-4 haloalkylthio, C1-4 alkylamino, di(C1-4)alkylamino, C1-4 alkoxycarbonyl, C1-4 alkylcarbonyloxy and tri(C1-4)alkylsilyl], C2-4 alkenyl [optionally substituted by one or more substituents each independently selected from halogen], C2-4 alkynyl [optionally substituted by one or more substituents each independently selected from halogen], C3-7 cycloalkylType: ApplicationFiled: December 15, 2003Publication date: May 11, 2006Inventors: Josef Ehrenfreund, Clemens Lamberth, Hans Tobler, Harald Walter
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Publication number: 20060030567Abstract: A fungicidally active compound of formula (I): where X is (X1), (X2) or (X3); Het is a 5- or 6-membered heterocyclic ring containing one to three heteroatoms, each independently selected from oxygen, nitrogen and sulphur, provided that the ring is not 1,2,3-triazole, the ring being substituted by groups R4, R5 and R6; R1 and R2 are each, independently, hydrogen, halo or methyl; R3 is optionally substituted C2-12 alkyl, optionally substituted C2-12 alkenyl, optionally substituted C2-12 alkynyl, optionally substituted C3?12 cycloalkyl, optionally substituted phenyl or optionally substituted heterocyclyl; R4, R5 and R6 are each, independently, selected from hydrogen, halo, cyano, nitro, C1-4 alkyl, C1-4 haloalkyl, C1-4 alkoxy(C1-4)alkylene and C1-4 haloalkoxy(C1-4)alkylene, provided that at least one of R4, R5 and R6 is not hydrogen; and R7 and R8 are each, independently, hydrogen, halogen, C1-4 alkyl or Clue haloalkyl; the invention also relates to the preparation of these compounds, to novel intermediates usedType: ApplicationFiled: October 24, 2003Publication date: February 9, 2006Inventors: Josef Ehrenfreund, Hans Tobler, Harald Walter
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Patent number: 6953811Abstract: A description is given of compounds of the formula in which R1 and R2 independently of one another are halogen, C1-C6alkyl, halo-C1-C6alkyl, C1-C6alkoxy, halo-C1-C6alkoxy, or SF5, R3 is hydrogen, OH, halogen, C1-C6alkoxy or —O—C(?O)—C1-C6alkyl, R4 is for example hydrogen, halogen, C1-C6alkyl, halo-C1-C6alkyl, C1-C6alkoxy, halo-C1-C6alkoxy or SCN; R5 and R6 independently of one another are for example hydrogen, C1-C12alkyl, halo-C1-C12alkyl, C2-C12alkenyl, halo-C2-C12alkenyl or C2-C12alkynyl; and q is 0 or 1; and, where appropriate, E/Z isomers, E/Z isomer mixtures and/or tautomers, each in free form or in salt form; a process for the preparation of these compounds and their use, pesticide compositions whose active ingredient is selected from these compounds, or an agrochemically useable salt thereof, a process for preparing these compositions, and their use, plant propagation material treated with these compositions, and a method of combating pests.Type: GrantFiled: February 4, 2002Date of Patent: October 11, 2005Assignee: Syngenta Crop Protection, Inc.Inventors: Stephan Trah, Josef Ehrenfreund, Peter Maienfisch, André Jeanguenat, Saleem Farooq
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Publication number: 20050221989Abstract: A compound of formula (1): F1 Het is a 5- or 6-membered heterocyclic ring containing one to three heteroatoms, each independently selected from oxygen, nitrogen and sulphur, the ring being substituted by groups R4, R5 and R6; R1 is hydrogen or halo; R2 is hydrogen or halo; R3 is optionally substituted C2-12 alkyl, optionally substituted C2-12 alkenyl, optionally substituted C2-12 alkynyl, optionally substituted C3-12 cycloalkyl, optionally substituted phenyl or optionally substituted heterocyclyl; and R4, R5 and R6 are, independently, selected from hydrogen, halo, cyano, nitro, C1-4 haloalkyl, C1-4 alkoxyl (C(1-4) alkoxyl (C1-4) alkyl and C1-4 haloalkoxy (C1-4) alkyl, provided that at least one of R4, R5 and R6 is not hydrogen. The compounds of formula (1) have plant-protective properties and are suitable for protecting plants against infestations by phytopathogenic microorganisms.Type: ApplicationFiled: February 21, 2003Publication date: October 6, 2005Inventors: Josef Ehrenfreund, Hans Tobler, Harald Walter
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Publication number: 20050182107Abstract: A fungicidal compound of formula (1): where Het is a 5- or 6-membered heterocyclic ring containing one to three heteroatoms, each independently selected from oxygen, nitrogen and sulphur, the ring being substituted by groups R7, R8 and R9; R1 is hydrogen, optionally substituted (C1-4)alkylC(?O), optionally substituted (C1-4)alkylC(?O)O, optionally substituted (C1-4)alkoxy(C1-4)alkyl, optionally substituted allyl, optionally substituted propargyl or optionally substituted allenyl; R2, R3, R4 and R5 are each, independently, hydrogen, halogen, optionally substituted (C1-4)alkoxy(C1-4)alkoxy or optionally substituted (C1-4)alkoxy(C1)alkyl; R6 is an organic group containing three to thirteen carbon atoms and at least one silicon atom and, optionally, one to three heteroatoms, each independently selected from oxygen, nitrogen and sulphur, and is optionally substituted by one to four independently selected halogen atoms; R7, R8 and R9 are each, independently, hydrogen, halogen, C1-3alkyl, C1-3haloalkyl, C1-3alkoxy(CType: ApplicationFiled: March 21, 2003Publication date: August 18, 2005Inventors: Josef Ehrenfreund, Pierre Joseph Jung, Hans Tobler, Harald Walter
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Publication number: 20040102487Abstract: A description is given of compounds of the formula 1Type: ApplicationFiled: July 30, 2003Publication date: May 27, 2004Inventors: Stephan Trah, Josef Ehrenfreund, Peter Maienfisch, Andre Jeangeunat, Saleem Farooq