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Agricultural and horticultural disease controller and a method for controlling the diseases

  • US 6,521,649 B1
  • Filed: 09/20/2000
  • Issued: 02/18/2003
  • Est. Priority Date: 03/31/1995
  • Status: Expired due to Term
First Claim
Patent Images

1. A method for controlling agricultural and horticultural diseases of plants which comprises applying a 1,2,3 thiadiazole derivative represented by the general formula (I), or a salt thereof at an active amount to control said plant diseases:

  • embedded imagewherein R1 is {circle around (1)} a hydrogen atom, {circle around (2)} a (C1-C12)alkyl group, {circle around (3)} a halo(C1-C12)alkyl group, {circle around (4)} a (C2-C12)-alkenyl group, {circle around (5)} a halo(C2-C12)alkenyl group, {circle around (6)} a (C2-C12)alkynyl group, a halo(C2-C12)alkynyl group, {circle around (8)} a (C3-C6)cycloalkyl group, {circle around (9)} an unsubstituted phenyl group, {circle around (10)} a substituted phenyl group having one or more substituents which may be the same or different and are selected from the group consisting of halogen atoms, nitro group, cyano group, (C1-C6)alkyl groups, halo(C1-C6)alkyl groups, (C1-C6)alkoxy groups, halo(C1-C6)alkoxy groups, (C1-C6)alkylthio groups, halo(C1-C6)alkylthio groups, (C2-C6)alkenyl groups and (C2-C6)alkynyl groups, {circle around (11)} a group represented by the formula;

    embedded image(wherein R3 and R4, which may be the same or different, are hydrogen atoms, (C1-C12)alkyl groups or halo(C1-C12)alkyl groups, m is zero or an integer of 1 to 6, and R5 is a hydrogen atom;

    a (C1-C12)alkyl group;

    a halo(C1-C12)alkyl group;

    a (C2-C12)alkenyl group;

    a (C2-C12)alkynyl group;

    an unsubstituted phenyl group;

    a substituted phenyl group having one or more substituents which may be the same or different and are selected from the group consisting of halogen atoms, nitro group, cyano group, (C1-C6)alkyl groups, halo(C1-C6)alkyl groups, (C1-C6)alkoxy groups, halo(C1-C6)alkoxy groups, (C1-C6)alkylthio groups, halo(C1-C6)alkylthio groups, (C2-C6)alkenyl groups and (C2-C6)alkynyl groups;

    an unsubstituted phenyl(C1-C6)alkyl group;

    or a substituted phenyl(C1-C6)alkyl group having on the ring one or more substituents which may be the same or different and are selected from the group consisting of halogen atoms, nitro group, cyano group, (C1-C6)alkyl groups, halo(C1-C6)alkyl groups, (C1-C6)alkoxy groups, halo(C1-C6)alkoxy groups, (C1-C6)alkylthio groups, halo(C1-C6)alkylthio groups, (C2-C6)alkenyl groups and (C2-C6)alkynyl groups), {circle around (12)} a group represented by the formula;

    embedded image(wherein R3, R4 and m are as defined above, and R6 and R7, which may be the same or different, are hydrogen atoms;

    (C1-C12)alkyl groups;

    halo(C1-C12)alkyl groups;

    (C2-C12)alkenyl groups;

    (C2-C12)alkynyl groups;

    (C1-C12)alkoxy(C1-C6)alkyl groups;

    (C1-C12)alkylthio (C1-C6)alkyl groups;

    cyano(C1-C12)alkyl groups;

    unsubstituted phenyl groups;

    substituted phenyl groups having one or more substituents which may be the same or different and are selected from the group consisting of halogen atoms, nitro group, cyano group, (C1-C6)alkyl groups, halo(C1-C6)alkyl groups, (C1-C6)alkoxy groups, halo(C1-C6)alkoxy groups, (C1-C6)alkylthio groups, halo(C1-C6)alkylthio groups, (C2-C6)alkenyl groups and (C2-C6)alkynyl groups;

    unsubstituted phenyl(C1-C6)alkyl groups;

    or substituted phenyl(C1-C6)alkyl groups having on the ring one or more substituents which may be the same or different and are selected from the group consisting of halogen atoms, nitro group, cyano group, (C1-C6)alkyl groups, halo(C1-C6)alkyl groups, (C1-C6)alkoxy groups, halo(C1-C6)alkoxy groups, (C1-C6)alkylthio groups, halo(C1-C6)alkylthio groups, (C2-C6)alkenyl groups and (C2-C6)alkynyl groups;

    R6 and R7 being able to be taken together to represent a (C4-C6)alkylene group which may contain an oxygen atom between adjacent carbon atoms of the carbon chain), {circle around (13)} a group represented by the formula;

    embedded image(wherein R3, R4, R6 and R7 are as defined above, and n is an integer of 1 to

         6), or {circle around (14)} a group represented by the formula;

    embedded image{{wherein R3, R4 and n are as defined above, A is embedded image(wherein R9 is a hydrogen atom, a (C1-C12)alkyl group or a halo(C1-C12)alkyl group), embedded image{wherein R9 is as defined above, and R10 is a hydrogen atom, a (C1-C12)alkyl group or a halo(C1-C12)alkyl group, R9 and R10 being able to be taken together to represent a (C4-C6)alkylene group which may contain, between adjacent carbon atoms of the carbon chain, an oxygen atom, a sulfur atom or

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