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).

  • Publication number: 20080161610
    Abstract: 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: Application
    Filed: February 20, 2006
    Publication date: July 3, 2008
    Applicant: SYNGENTA CROP PROTECTION, INC.
    Inventors: Harald Walter, Camilla Corsi, Josef Ehrenfreund, Clemens Lamberth, Hermann Schneider, Hans Tobler
  • Publication number: 20080132557
    Abstract: Compounds of the formula (I), in which the substituents are as defined in claim 1 are suitable for use as microbiocides.
    Type: Application
    Filed: June 21, 2005
    Publication date: June 5, 2008
    Applicant: SYNGENTA CROP PROTECTION, INC.
    Inventors: Clemens Lamberth, Camilla Corsi, Josef Ehrenfreund, Hans Tobler, Harald Walter
  • Patent number: 7355065
    Abstract: 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: Grant
    Filed: July 13, 2005
    Date of Patent: April 8, 2008
    Assignee: Syngenta Crop Protection, Inc.
    Inventors: Harald Walter, Camilla Corsi, Josef Ehrenfreund, Clemens Lamberth, Hans Tobler
  • Publication number: 20080076664
    Abstract: 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: Application
    Filed: October 6, 2005
    Publication date: March 27, 2008
    Inventors: Harald Walter, Camilla Corsi, Josef Ehrenfreund, Clemens Lamberth, Hans Tobler
  • Publication number: 20080070785
    Abstract: 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: Application
    Filed: August 11, 2005
    Publication date: March 20, 2008
    Applicant: SYNGENTA CROP PROTECTION, INC.
    Inventors: Harald Walter, Urs Neuenschwander, Ronald Zeun, Josef Ehrenfreund, Hans Tobler, Camilla Corsi, Clemens Lamberth
  • Publication number: 20080051446
    Abstract: 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: Application
    Filed: October 14, 2003
    Publication date: February 28, 2008
    Inventors: Josef Ehrenfreund, Hans Tobler, Harald Walter
  • Publication number: 20080004465
    Abstract: 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: Application
    Filed: July 13, 2005
    Publication date: January 3, 2008
    Inventors: Harald Walter, Camilla Corsi, Josef Ehrenfreund, Clemens Lamberth, Hans Tobler
  • Patent number: 7312179
    Abstract: 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 use
    Type: Grant
    Filed: October 24, 2003
    Date of Patent: December 25, 2007
    Assignee: Syngenta Crop Protection, Inc.
    Inventors: Josef Ehrenfreund, Hans Tobler, Harald Walter
  • Publication number: 20070265267
    Abstract: 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: Application
    Filed: April 5, 2007
    Publication date: November 15, 2007
    Applicant: Syngenta Crop Protection, Inc.
    Inventors: Harald WALTER, Camilla Corsi, Josef Ehrenfreund, Clemens Lamberth, Hans Tobler
  • Publication number: 20070244121
    Abstract: 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: Application
    Filed: October 6, 2005
    Publication date: October 18, 2007
    Applicant: Syngenta Crop Protection, Inc.
    Inventors: Harald Walter, Camilla Corsi, Josef Ehrenfreund, Clemens Lamberth, Hans Tobler
  • Patent number: 7241721
    Abstract: 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 cycloalkyl
    Type: Grant
    Filed: December 15, 2003
    Date of Patent: July 10, 2007
    Assignee: Syngenta Crop Protection, Inc.
    Inventors: Josef Ehrenfreund, Clemens Lamberth, Hans Tobler, Harald Walter
  • Publication number: 20060287328
    Abstract: 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 3-7
    Type: Application
    Filed: September 8, 2004
    Publication date: December 21, 2006
    Inventors: Josef Ehrenfreund, Clemens Lamberth, Hans Tobler, Harald Walter
  • Publication number: 20060276434
    Abstract: 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 in
    Type: Application
    Filed: April 21, 2004
    Publication date: December 7, 2006
    Inventors: Josef Ehrenfreund, Harald Walter, Hans Tobler, Clemens Lamberth
  • Publication number: 20060154967
    Abstract: 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 substituent
    Type: Application
    Filed: August 18, 2003
    Publication date: July 13, 2006
    Inventors: Josef Ehrenfreund, Hans Tobler, Harald Walter
  • Publication number: 20060100250
    Abstract: 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 cycloalkyl
    Type: Application
    Filed: December 15, 2003
    Publication date: May 11, 2006
    Inventors: Josef Ehrenfreund, Clemens Lamberth, Hans Tobler, Harald Walter
  • Publication number: 20060030567
    Abstract: 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 used
    Type: Application
    Filed: October 24, 2003
    Publication date: February 9, 2006
    Inventors: Josef Ehrenfreund, Hans Tobler, Harald Walter
  • Patent number: 6953811
    Abstract: 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: Grant
    Filed: February 4, 2002
    Date of Patent: October 11, 2005
    Assignee: Syngenta Crop Protection, Inc.
    Inventors: Stephan Trah, Josef Ehrenfreund, Peter Maienfisch, André Jeanguenat, Saleem Farooq
  • Publication number: 20050221989
    Abstract: 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: Application
    Filed: February 21, 2003
    Publication date: October 6, 2005
    Inventors: Josef Ehrenfreund, Hans Tobler, Harald Walter
  • Publication number: 20050182107
    Abstract: 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(C
    Type: Application
    Filed: March 21, 2003
    Publication date: August 18, 2005
    Inventors: Josef Ehrenfreund, Pierre Joseph Jung, Hans Tobler, Harald Walter
  • Publication number: 20040102487
    Abstract: A description is given of compounds of the formula 1
    Type: Application
    Filed: July 30, 2003
    Publication date: May 27, 2004
    Inventors: Stephan Trah, Josef Ehrenfreund, Peter Maienfisch, Andre Jeangeunat, Saleem Farooq