Patents Represented by Attorney William F. Mulholland, II
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Patent number: 7951752Abstract: A compound of formula (I): 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 (I) have plant-protective properties and are suitable for protecting plants against infestations by phytopathogenic microorganisms.Type: GrantFiled: February 21, 2003Date of Patent: May 31, 2011Assignee: Syngenta Crop Protection, Inc.Inventors: Josef Ehrenfreund, Hans Tobler, Harald Walter
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Patent number: 7820830Abstract: The present invention relates to a novel process for the preparation of a compound of general formula (I): wherein R1 is H or C1-4 alkyl and R2 is difluoromethyl or trifluoromethyl, which comprises reacting a compound of general formula (II): wherein R1 has the meaning given above and X is chloro or bromo, with a compound of general formula (III): wherein R2 has the meaning given above, in the presence of a base, a palladium catalyst and a ferrocenyl biphoshine ligand of the Josiphos type, the reaction being carried out in an ether solvent at a reflux temperature of at least 100° C.Type: GrantFiled: November 13, 2006Date of Patent: October 26, 2010Assignee: Syngenta Crop Protection, Inc.Inventors: Harald Walter, Camilla Corsi, Josef Ehrenfreund, Hans Tobler
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Patent number: 7807714Abstract: A composition suitable for control of diseases caused by phytopathogens comprising (A) a compound of formula (I) or a tautomer of such a compound; and component (B) and component (C) are pesticides as described in claim 1.Type: GrantFiled: February 7, 2007Date of Patent: October 5, 2010Assignee: Syngenta Crop Protection, Inc.Inventors: Franz Brandl, Michael Oostendorp, Ronald Zeun
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Patent number: 7767623Abstract: 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, R4and R5 are each, independently, hydrogen, halogen, optionally substituted (C1-4)alkoxy(C1-4)alkoxy or optionally substituted (C1-4)alkoxy(C1-4)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 R9are each, independently, hydrogen, halogen, C1-3alkyl, C1-3haloalkyl, C1-3alkoxy(CType: GrantFiled: March 21, 2003Date of Patent: August 3, 2010Assignee: Syngenta Crop Protection, Inc.Inventors: Josef Ehrenfreund, Pierre Joseph Marcel Jung, Hans Tobler, Harald Walter
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Patent number: 7737261Abstract: Avermectin B1 and avermectin B1 monosaccharide derivative compounds having an alkoxymethyl substituent in the 4?- or 4?-position; a process for preparing and using these compounds and their tautomers; pesticides whose active compound is selected from these compounds and their tautomers; and a process for preparing these compounds and compositions are provided.Type: GrantFiled: December 19, 2003Date of Patent: June 15, 2010Assignee: Syngenta Corp Protection, Inc.Inventors: Peter Maienfisch, Fiona Murphy Kessabi, Jérôme Cassayre, Laura Quaranta, Thomas Pitterna, Ottmar Franz Hueter, Pierre Jung
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Patent number: 7737301Abstract: The present invention relates to a process for the preparation of compounds of formula wherein R1, R2 and R3 are each independently of the others hydrogen or C1-C4alkyl, by a) reacting compounds of formula (II) wherein R1, R2 and R3 are as defined for formula (I) and X is bromine or chlorine, with a compound of formula (III) wherein R4 is hydrogen or C1-C4alkyl, in the presence of a base and catalytic amounts of at least one palladium complex compound, to form compounds of formula (IV) wherein R1, R2, R3 and R4 are as defined for formula (I), and b) converting those compounds, using a reducing agent, into compounds of formula (I).Type: GrantFiled: August 28, 2006Date of Patent: June 15, 2010Assignee: Syngenta Crop Protection, Inc.Inventors: Harald Walter, Camilla Corsi, Josef Ehrenfreund, Hans Tobler
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Patent number: 7723362Abstract: The invention relates to compounds of formula wherein Het, A1, A2, A3, A4, D, W, T, Q, Y, X1, X2, R1, R2, R3, R4, k and m are as defined hereinabove, and, where applicable, to possible E/Z isomers, mixtures of E/Z isomers and/or tautomers thereof, in each case in free form or in salt form, to a process for the preparation of and to the use of those compounds, E/Z isomers, mixtures of E/Z isomers and/or tautomers, to pesticidal compositions in which the active ingredient has been selected from those compounds, E/Z isomers, mixtures of E/Z isomers and/or tautomers, in each case in free form or in agrochemically usable salt form, to a process for the preparation of and to the use of those compositions, to plant propagation material treated with those compositions, to a method of controlling pests, to intermediates and, where applicable, to possible E/Z isomers, mixtures of E/Z isomers and/or tautomers thereof, in each case in free form or in salt form, for the preparation of those compounds, E/Z isomers, mType: GrantFiled: January 7, 2005Date of Patent: May 25, 2010Assignee: Syngenta Crop Protection, Inc.Inventors: Roger Graham Hall, Stephan Trah, Werner Zambach, Juraj Tuleja
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Patent number: 7687470Abstract: Avermectin and avermectin monosaccharaide compounds, derivatives, and compositions thereof are provided as well as processes for preparing such compounds, derivatives, and compositions. Intermediates in the preparation of avermectin and avermectin monosaccharaide derivatives and methods of controlling pests are also provided. The avermectin and avermectin monosaccharaide derivatives are demonstrated as useful in controlling pests, in particular pests that are harmful to crop plants and to its propagation materials, such as representatives of the class insecta, the order Acarina and the class nematede.Type: GrantFiled: March 9, 2005Date of Patent: March 30, 2010Assignee: Syngenta Crop Protection, Inc.Inventors: Pierre Jung, Thomas Pitterna, Fiona Murphy Kessabi, Laura Quaranta, Ottmar Franz Hueter
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Patent number: 7678924Abstract: The present invention relates to a process for the preparation of compounds of formula I wherein R1 is C1-C4haloalkyl; R2 is C1-C6alkyl and R3 is methyl or ethyl, by reaction of compounds of formula II wherein the substituents are as defined for formula I, with compounds of formula III wherein R3 is as defined for formula I and n is 0 or 1.Type: GrantFiled: October 19, 2005Date of Patent: March 16, 2010Assignee: Syngenta Crop Protection, Inc.Inventors: Harald Walter, Camilla Corsi, Josef Ehrenfreund, Clemens Lamberth, Hans Tobler
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Patent number: 7638514Abstract: There are described compounds of formula (I) wherein X1 and X2 are each independently of the other fluorine, chlorine or bromine; A1 and A2 are, for example, a bond or a C1-C6alkylene bridge; A3 is a C1-C6alkylene bridge; R1 and R2 are, for example, halogen, OH, SH, CN, nitro, C1-C6alkyl, C1-C6haloalkyl, C1-C6alkyl-carbonyl, C2-C6alkenyl, C2-C6haloalkenyl or C3-C6alkynyl; R,3 is, for example, H, halogen, OH, SH, CN, nitro, C1-C6alkyl or C1-C6haloalkyl; R4 and R5 are, for example, H, halogen, cyano, nitro, C1-C6alkyl or C1-C3haloalkyl; m is 1 or 2; Y is, for example, O, S, SO or SO2; Q is, for example, O, S, SO or SO2; W is, for example, a bond, O, S, SO, S02, —C(?O)—O— or —O—C(?O)—; T is, for example, a bond, O, S, SO, SO2, —C(?O)—O— or —O—C(?O)—; and E is aryl unsubstituted or substituted from one to five times or heterocyclyl unsubstituted or, depending upon the possibilities of substitution on the ring, substituted from one to four times; and, where applicable, their possible E/Z isomers, E/Z isomeric mixtType: GrantFiled: August 25, 2004Date of Patent: December 29, 2009Assignee: Syngenta Crop Protection, Inc.Inventors: Werner Zambach, Stephan Trah, Roger Graham Hall, William Lutz