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1,2,3-Thiadiazole derivatives or salts thereof and agrohorticultural disease controller and method for using the same

  • US 6,194,444 B1
  • Filed: 03/26/1999
  • Issued: 02/27/2001
  • Est. Priority Date: 09/30/1996
  • Status: Expired due to Fees
First Claim
Patent Images

1. An agrohorticultural disease controller comprising as the active ingredient a 1,2,3-thiadiazole derivative represented by the following general formula (I) or a salt thereof:

  • wherein R1 represents hydrogen atom, C1-C8 alkyl group, halo C1-C4 alkyl group, phenyl group, substituted phenyl group having 1 to 5 same or different substituents selected from the group consisting of halogen atom, hydroxyl group, cyano group, nitro group, C1-C4 alkyl group, halo C1-C4 alkyl group, C1-C4 alkoxy group, halo C1-C4 alkoxy group and C1-C4 alkoxycarbonyl group, 5- or 6heterocycle containing 1 to 3 same or different heteroatoms selected from oxygen atom, nitrogen atom and sulfur atom, or substituted 5- or 6-membered heterocycle containing 1 to 3 same or different heteroatoms selected from oxygen atom, nitrogen atom and sulfur atom, or substituted 5- or 6-membered heterocycle containing 1 to 3 same or different heteroatoms selected from oxygen atom, nitrogen atom and sulfur atom and having 1 to 4 same or different substituents selected from the group consisting of halogen atom, cyano group, hydroxyl group, mercapto group, C1-C4 alkyl group, C1-C4 alkoxy group, C1-C4 alkylthio group, formyl group, carboxyl group, carboxy C1-C4 alkyl group, C1-C4 alkoxycarbonyl group, C1-C4 alkoxycarbonyl C1-C4 alkyl group, amino group, substituted amino group having 1 or 2 same or different substituents selected from the group consisting of C1-C4 alkyl and phenyl groups, carbamoyl group, substituted carbamoyl group having 1 or 2 same or different substituents selected from the group consisting of C1-C4 alkyl and phenyl groups, carbamoyl C1-C4 alkyl group, and substituted carbamoyl C1-C4 alkyl group having 1 or 2 same or different substituents selected from the group consisting of C1-C4 alkyl and phenyl groups;

    A represents a group of the following formula;

    (wherein R2 and R3, same or different, represent hydrogen atom, halogen atom, cyano group, formyl group, C1-C4 alkyl group, C1-C4 alkoxy group, C1-C4 alkylthio group, C1-C4 alkylsulfinyl group, C1-C4 alkylsulfonyl group, C1-C4 alkylcarbonyl group, C1-C4 alkoxycarbonyl group, phenyl group, substituted phenyl group having 1 to 5 same or different substituents selected from the group consisting of halogen atom, hydroxyl group, cyano group, nitro group, C1-C4 alkyl group, halo C1-C4 alkyl group, C1-C4 alkoxy group, halo C1-C4 alkoxy group and C1-C4 alkoxycarbonyl group, phenylcarbonyl group, or substituted phenylcarbonyl group having, on the ring thereof, 1 to 5 same or different substituents selected from the group consisting of halogen atom, hydroxyl group, cyano group, C1-C4 alkyl group and C1-C4 alkoxycarbonyl group;

    further, R2 and R3 may be taken conjointly to form a 3- to 7-membered ring including a C2-C6 alkylene group which may be intercepted by—

    O—

    , —

    S (O)n

    in which n is an integer of 0 to 2, —

    CO—

    or —

    NR8

    in which R8 represents hydrogen atom, formyl group, C1-C8 alkyl group, halo C1-C4 alkyl group, C2-C4 alkenyl group, halo C2-C4 alkenyl group, C2-C4 alkynyl group, halo C2-C4 alkynyl group, C1-C4 alkylthio group, C1-C4 alkylsulfinyl group, C1-C4 alkylsulfonyl group, C1-C4 alkylcarbonyl group, C1-C4 alkoxycarbonyl group, carbamoyl group, substituted carbamoyl group having 1 or 2 same or different substituents selected from the group consisting of C1-C4 alkyl group and phenyl group, phenyl group, substituted phenyl group having 1 to 5 same or different substituents selected from the group consisting of halogen atom, cyano group, hydroxyl group, C1-C4 alkyl group, C1-C4 alkoxy group and C1-C4 alkoxycarbonyl group, phenyl C1-C4 alkyl group, substituted phenyl C1-C4 alkyl group having, on the ring thereof, 1 to 5 same or different substituents selected from the group consisting of halogen atom, cyano group, hydroxyl group, C1-C4 alkyl group, C1-C4 alkoxy group and C1-C4 alkoxycarbonyl group, phenylcarbonyl group, or substituted phenylcarbonyl group having, on the ring thereof, 1 to 5 same or different substituents selected from the group consisting of halogen atom, cyano group, hydroxyl group, C1-C4 alkyl group, C1-C4 alkoxy group and C1-C4 alkoxycarbonyl group; and

    said 3- to 7-membered ring may be substituted by one or more same or different substituents selected from the group consisting of halogen atom and C1-C4 alkyl group; and

    m represents an integer of 0 to

         4), or in which R2 and R3 are as defined above, in which R2 and R3 are as defined above, in which R2 and R3 are as defined above; and

    in the case that m is 0 in the definition of A, B represents, 5- or 6-membered heterocycle having 1 to 3 same or different hetero atoms selected from the group consisting of oxygen atom, nitrogen atom and sulfur atom, substituted 5- or 6-heterocycle containing 1 to 3 same or different hetero atoms selected from the group consisting of oxygen atom, nitrogen atom and sulfur atom and having 1 to 4 same or different substituents selected from the group consisting of halogen atom, cyano group, hydroxyl group, mercapto group, C1-C4 alkyl group, C1-C4 alkoxy group, C1-C4 alkylthio group, formyl group, carboxyl group, carboxy C1-C4 alkyl group, C1-C4 alkoxycarbonyl group, C1-C4 alkoxycarbonyl C1-C4 alkyl group, amino group, substituted amino group having 1 or 2 same or different C1-C4 alkyl or phenyl groups, carbamoyl group, substituted carbamoyl group having 1 or 2 C1-C4 alkyl or phenyl groups, carbamoyl C1-C4 alkyl group and substituted carbamoyl C1-C4 alkyl group having 1 or 2 same or different C1-C4 alkyl or phenyl groups, or

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