WO1996029871A2 - An agricultural and horticultural disease controller and a method for controlling the diseases - Google Patents

An agricultural and horticultural disease controller and a method for controlling the diseases Download PDF

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Publication number
WO1996029871A2
WO1996029871A2 PCT/JP1996/000781 JP9600781W WO9629871A2 WO 1996029871 A2 WO1996029871 A2 WO 1996029871A2 JP 9600781 W JP9600781 W JP 9600781W WO 9629871 A2 WO9629871 A2 WO 9629871A2
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Prior art keywords
groups
group
alkyl
halo
alkoxy
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PCT/JP1996/000781
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French (fr)
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WO1996029871A3 (en
Inventor
Kiyoshi Kuroda
Toru Uchikurohane
Sokichi Tajima
Kenji Tsubata
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Nihon Nohyaku Co., Ltd.
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Priority to RO97-01798A priority Critical patent/RO118837B1/en
Priority to DE69633620T priority patent/DE69633620T2/en
Priority to AU50159/96A priority patent/AU696611B2/en
Priority to KR1019970706845A priority patent/KR100292176B1/en
Priority to PL96322497A priority patent/PL322497A1/en
Priority to CA002214138A priority patent/CA2214138C/en
Priority to RU97118132A priority patent/RU2147180C1/en
Priority to EP96906949A priority patent/EP0824317B1/en
Application filed by Nihon Nohyaku Co., Ltd. filed Critical Nihon Nohyaku Co., Ltd.
Priority to DK96906949T priority patent/DK0824317T3/en
Publication of WO1996029871A2 publication Critical patent/WO1996029871A2/en
Publication of WO1996029871A3 publication Critical patent/WO1996029871A3/en
Priority to BG101926A priority patent/BG101926A/en
Priority to US08/941,762 priority patent/US6166054A/en
Priority to US09/666,045 priority patent/US6521649B1/en

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    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D285/00—Heterocyclic compounds containing rings having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by groups C07D275/00 - C07D283/00
    • C07D285/01—Five-membered rings
    • C07D285/02—Thiadiazoles; Hydrogenated thiadiazoles
    • C07D285/04—Thiadiazoles; Hydrogenated thiadiazoles not condensed with other rings
    • C07D285/12—1,3,4-Thiadiazoles; Hydrogenated 1,3,4-thiadiazoles
    • C07D285/125—1,3,4-Thiadiazoles; Hydrogenated 1,3,4-thiadiazoles with oxygen, sulfur or nitrogen atoms, directly attached to ring carbon atoms, the nitrogen atoms not forming part of a nitro radical
    • C07D285/135—Nitrogen atoms
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/72—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms
    • A01N43/82—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms five-membered rings with three ring hetero atoms
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/72—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms
    • A01N43/84—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms six-membered rings with one nitrogen atom and either one oxygen atom or one sulfur atom in positions 1,4
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
    • A01N47/40—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having a double or triple bond to nitrogen, e.g. cyanates, cyanamides
    • A01N47/42—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having a double or triple bond to nitrogen, e.g. cyanates, cyanamides containing —N=CX2 groups, e.g. isothiourea
    • A01N47/44—Guanidine; Derivatives thereof
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N55/00—Biocides, pest repellants or attractants, or plant growth regulators, containing organic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen and sulfur
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D231/00—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings
    • C07D231/02—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings
    • C07D231/10—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
    • C07D231/12—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D233/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings
    • C07D233/54—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members
    • C07D233/56—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, attached to ring carbon atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D249/00—Heterocyclic compounds containing five-membered rings having three nitrogen atoms as the only ring hetero atoms
    • C07D249/02—Heterocyclic compounds containing five-membered rings having three nitrogen atoms as the only ring hetero atoms not condensed with other rings
    • C07D249/08—1,2,4-Triazoles; Hydrogenated 1,2,4-triazoles
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D285/00—Heterocyclic compounds containing rings having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by groups C07D275/00 - C07D283/00
    • C07D285/01—Five-membered rings
    • C07D285/02—Thiadiazoles; Hydrogenated thiadiazoles
    • C07D285/04—Thiadiazoles; Hydrogenated thiadiazoles not condensed with other rings
    • C07D285/06—1,2,3-Thiadiazoles; Hydrogenated 1,2,3-thiadiazoles
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D417/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00
    • C07D417/02—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00 containing two hetero rings
    • C07D417/06—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00 containing two hetero rings linked by a carbon chain containing only aliphatic carbon atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D417/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00
    • C07D417/02—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00 containing two hetero rings
    • C07D417/12—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00 containing two hetero rings linked by a chain containing hetero atoms as chain links

Definitions

  • the present invention relates to an agricultural and horticultural disease controller containing as an active ingredient a 1,2,3-thiadiazole derivative represented by the general formula (1), or a salt thereof:
  • R 1 is 1 a hydrogen atom, 2 a (C 1 -C 12 )alkyl group, 3 a halo(C 1 -C 12 )alkyl group, 4 a (C 2 -C 12 )alkenyl group, 5 a halo(C 2 -C 12 )alkenyl group, 6 a
  • R 3 and R 4 which may be the same or different, are hydrogen atoms, (C 1 -C 12 )alkyl groups or halo(C 1 -C 12 )alkyl groups, m is zero or an integer of 1 to 6, and R 5 is a hydrogen atom; a (C 1 -C 12 )alkyl group; a halo(C 1 -C 12 )alkyl group; a (C 1 -C 12 )alkenyl group; a
  • R 3 , R 4 and m are as defined above, and R 6 and R 7 , which may be the same or different, are hydrogen atoms; (C 1 -C 12 )alkyl groups; halo(C 1 -C 12 )alkyl groups; (C 1 -C 12 )alkenyl groups; (C 1 -C 12 )alkynyl 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, (C 1 -C 6 )alkyl groups, halo(C 1 -C 6 )alkyl groups, (C 1 -C 6 )alkoxy groups, halo(C 1 -C 6 )alkoxy groups, (C 1 -C 6 )alkylthio groups, halo(C 1 -C 6 )alkylthio groups, (C 2 -C 6 )alkenyl groups and (C 2 -C 6 )alkynyl groups; unsubstituted phenyl (C 1 -C 6 )alkyl groups; or substituted phenyl (C 1 -C 6 )alkyl groups having on the ring one or more substituents which may be the same or different and are selected from the group consist
  • R 9 is a hydrogen atom, a (C 1 -C 12 )alkyl group or a halo(C 1 -C 12 )alkyl group
  • R 9 is as defined above, and R 10 is a hydrogen atom, a (C 1 -C 12 )alkyl group or a halo(C 1 -C 12 )alkyl group, R 9 and R 10 being able to be taken together to represent a (C 4 -C 6 )alkylene group which may contain, between adjacent carbon atoms of the carbon chain, an oxygen atom, a sulfur atom or
  • R 11 is a hydrogen atom, a (C 1 -C 12 )alkyl group or a halo(C 1 -C 12 )alkyl group) ⁇ , or
  • R 10 is as defined above
  • R 8 is a hydrogen atom; a (C 1 -C 12 )alkyl group; a halo(C 1 -C 12 )alkyl group; a (C 2 -C 12 )alkenyl group; a (C 2 -C 12 )alkynyl group; a
  • (C 1 -C 6 )alkyl groups halo(C 1 -C 6 )alkyl groups, (C 1 -C 6 )alkoxy groups, halo(C 1 -C 6 )alkoxy groups, (C 1 -C 6 )alkylthio groups, halo(C 1 -C 6 )alkylthio groups, (C 2 -C 6 )alkenyl groups and (C 2 -C 6 )alkynyl groups; an unsubstituted 5- or
  • heteroatoms which may be the same or different and are selected from the group consisting of oxygen atom, sulfur atom and nitrogen atom; or a substituted 5- or 6-membered heterocyclic ring having one or more
  • heteroatoms which may be the same or different and are selected from the group consisting of oxygen atom, sulfur atom and nitrogen atom, said substituted heterocyclic ring 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, (C 1 -C 6 )alkyl groups, halo(C 1 -C 6 )alkyl groups, (C 1 -C 6 )alkoxy groups, halo(C 1 -C 6 )alkoxy groups, (C 1 -C 6 )alkylthio groups, halo(C 1 -C 6 )alkylthio groups, (C 2 -C 6 )alkenyl groups and (C 2 -C 6 )alkynyl groups], and R 2 is (i) a group represented by the formula:
  • X is an oxygen atom or a sulfur atom
  • R 12 is 1 a hydrogen atom, 2 a (C 1 -C 12 )alkyl group, 3 a halo(C 1 -C 12 )alkyl group, 4 a (C 1 -C 12 )alkenyl group, 5 a halo(C 2 -C 12 )alkenyl group, 6 a (C 2 -C 12 )alkynyl group, 7 a halo(C 2 -C 12 )alkynyl group, 8 a hydroxy(C 1 -C 6 )alkyl group, 9 a (C 1 -C 12 )alkoxy(C 1 -C 12 )alkyl group, 10 a
  • phenyl(C 1 -C 6 )alkyl group 16 a substituted phenyl(C 1 -C 6 )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, (C 1 -C 6 )alkyl groups,
  • B is a (C 1 -C 6 )alkylene group which may be substituted by a (C 1 -C 6 )alkyl group or a phenyl group
  • R 13 and R 14 which may be the same or different, are hydrogen atoms; formyl groups; (C 1 -C 12 )alkyl groups; (C 2 -C 12 )alkenyl groups; (C 2 -C 12 )alkynyl groups;
  • (C 1 -C 6 )alkylcarbonyl 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 hydrogen atom, halogen atoms, nitro group, cyano group, (C 1 -C 6 )alkyl groups, halo(C 1 -C 6 )alkyl groups, (C 1 -C 6 )alkoxy groups, halo(C 1 -C 6 )alkoxy groups, (C 1 -C 6 )alkylthio groups, halo(C 1 -C 6 )alkylthio groups, (C 2 -C 6 )alkenyl groups and (C 2 -C 6 )alkynyl groups; phenylcarbonyl groups; unsubstituted 1,2,3-thiadiazol-5-yl-carbonyl groups; or substituted 1,2,3-thiadiazol-5-yl-carbon
  • R 13 and R 14 being able to be taken together to represent a (C 4 -C 5 )alkylene group which may contain, between adjacent carbon atoms of the carbon chain, an oxygen atom, a sulfur atom or
  • R 15 is a hydrogen atom or a (C 1 -C 6 )alkyl group
  • R 16 is a hydrogen atom, a halogen atom or a (C 1 -C 6 )alkyl group
  • R 17 is a nitro group, a cyano group, a
  • R 18' s which may be the same or different, are hydrogen atoms, (C 1 -C 6 )alkylcarbonyl groups,
  • phenylcarbonyl groups unsubstituted 1,2,3-thiadiazol-5-yl-carbonyl groups, or substituted 1,2,3-thiadiazol-5-yl-carbonyl groups having a halogen atom or a (C 1 -C 6 )alkyl group as the substituent, and l is zero or an integer of 1 to 12), a 5- or 6-membered heterocyclic (C 1 -C 6 )alkyl group having one or more heteroatoms which may be the same or different and are selected from the group consisting of oxygen atom, sulfur atom and nitrogen atom, tri(C 1 -C 6 )alkylsilyl(C 1 -C 6 )alkyl groups, or 1,2,3-thiadiazol-5-yl-carbonyloxy(C 1 -C 12 )alkyl groups having on the ring a halogen atom or (C 1 -C 6 )alkyl group as the substituent], (ii) a group represented by the formula:
  • (C 1 -C 12 )alkoxycarbonyl groups 12 unsubstituted phenyl groups, 13 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, (C 1 -C 6 )alkyl groups,
  • R 19 and R 20 being able to be taken together to represent 18 a
  • heterocyclic ring containing, between adjacent carbon atoms of the carbon chain, one or more hetero atoms which may be the same or different and are selected from the group consisting of oxygen atom, sulfur atom and nitrogen atom], (iii) a group represented by the formula:
  • R 23 and R 24 which may be the same or different, are hydrogen atoms; (C 1 -C 12 )alkyl groups; halo(C 1 -C 12 )alkyl groups; (C 2 -C 12 )alkenyl groups; (C 2 -C 12 )alkynyl 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, cyano group, nitro group, (C 1 -C 6 )alkyl groups and (C 1 -C 6 )alkoxy groups; or 5- or 6-membered heterocyclic rings containing, between adjacent carbon atoms of the carbon chain, one or more hetero atoms which may be the same or different and are selected from the group consisting of oxygen atom, sulfur atom and nitrogen atom), 18) groups represented by the formula:
  • R 25 is a hydrogen atom, hydroxyl group, a
  • R 26 is a (C 1 -C 6 )alkyl group, a phenyl group or a phenyl(C 1 -C 6 )alkyl group
  • 21 groups represented by the formula:
  • R 26 is as defined above
  • 19 unsubstituted phenyl(C 1 -C 6 )alkyl groups 20 substituted phenyl (C 1 -C 6 )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, (C 1 -C 6 )alkyl groups, halo(C 1 -C 6 )alkyl groups, (C 1 -C 6 )alkoxy groups, halo(C 1 -C 6 )alkoxy groups, (C 1 -C 6 )alkylthio groups, halo(C 1 -C 6 )alkylthio groups, (C 2 -C 6 )alkenyl groups and (C 2 -C 6 )alkynyl groups, naphthyl groups, groups represented by the formula:
  • halo(C 1 -C 6 )alkoxy groups (C 1 -C 6 )alkylthio groups, halo(C 1 -C 6 )alkylthio groups, (C 2 -C 6 )alkenyl groups and (C 2 -C 6 )alkynyl groups, 11 an unsubstituted phenyl(C 1 -C 6 )alkyl group, 12 a substituted phenyl(C 1 -C 6 )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, (C 1 -C 6 )alkyl groups, halo(C 1 -C 6 )alkyl groups, (C 1 -C 6 )alkoxy groups, halo(C 1 -C 6 )alkoxy groups, (C 1 -C 6 )alkylthio groups, halo
  • phenyl 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, (C 1 -C 6 )alkyl groups and (C 1 -C 6 )alkoxy groups; or 5- or 6-membered heterocyclic rings
  • R 28 and R 29 being able to be taken together to represent a (C 3 -C 6 )cycloalkane ring or a 5- or 6-membered heterocyclic ring containing one or more sulfur atoms between adjacent carbon atoms of the carbon chain), or R 6 and R 27 being able to be taken together with the nitrogen atom to which they are bonded, to represent a 5- or 6-membered heterocyclic ring which may contain, between adjacent carbon atoms of the carbon chain, one or more hetero atoms which may be the same or different and are
  • R 6 is as defined above, and R 30 is a hydrogen atom, a (C 1 -C 12 )alkyl group, a halo(C 1 -C 12 )alkyl group, a (C 3 -C 6 )cycloalkyl group, a (C 1 -C 12 )alkenyl group, a (C 2 -C 12 )alkynyl group, an unsubstituted phenyl (C 1 -C 6 )alkyl group, or a substituted phenyl (C 1 -C 6 )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, (C 1 -C 6 )alkyl groups, halo(C 1 -C 6 )alkyl groups, (C 1 -C 6 )alkoxy groups,
  • Japanese Patent Unexamined Publication No. 54-9272 discloses 1,2,3-thiadiazole-5-carboxylic acid derivatives, a process for production thereof and an agent containing the derivative and having herbicidal and growth-regulating effects.
  • the halogen atom includes chlorine atom, bromine atom, iodine atom and fluorine atom.
  • the term "(C 1 -C 12 )alkyl group” means a linear or branched alkyl group of 1 to 12 carbon atoms, such as methyl, ethyl, n-propyl, i-propyl, n-butyl, i-butyl, s-butyl, t-butyl, n-pentyl, n-hexyl, n-heptyl, n-octyl, n-nonyl, n-decyl, n-undecyl, n-dodecyl or the like.
  • halo(C 1 -C 12 )alkyl group means a substituted and linear or branched alkyl group of 1 to 12 carbon atoms having as the substituent(s) one or more halogen atoms which may be the same or different.
  • (C 2 -C 6 )alkenyl group means a linear or branched alkenyl group of 2 to 6 carbon atoms having a double bond.
  • halo(C 2 -C 6 )alkenyl group means a substituted and linear or branched alkenyl group of 2 to 6 carbon atoms having as the substituent(s) one or more halogen atoms which may be the same or different.
  • (C 2 -C 6 )alkynyl group means a linear or branched alkynyl group of 2 to 6 carbon atoms having a triple bond.
  • halo(C 2 -C 6 )alkynyl group means a substituted and linear or branched alkynyl group of 2 to 6 carbon atoms having as the substituent(s) one or more halogen atoms which may be the same or different.
  • 5- or 6-membered heterocyclic ring having one or more heteroatoms which may be the same or different and are selected from the group consisting of oxygen atom, sulfur atom and nitrogen atom means any heterocyclic ring derived from furan, thiophene, pyrrole, oxazole, thiazole, isothiazole, pyrazole, imidazole, 1,2,3-thiadiazole, 1,2,4-thiadiazole, 1,2,5-thiadiazole, 1,3,4-thiadiazole, 1,2,4-triazole, pyridine, pyridazine, pyrimidine, pyrazine, pynolidine, piperidine, morpholine, thiamorpholine, dithiolane, dithian, piperazine, dioxelan, imidazolizine and the like.
  • R 1 is a (C 1 -C 12 )alkyl group, halo(C 1 -C 12 )alkyl group, (C 3 -C 6 )cycloalkyl group, (C 2 -C 12 )alkenyl group, halo(C 2 -C 12 )alkenyl group, (C 2 -C 12 )alkynyl group, halo(C 1 -C 12 )alkynyl group,
  • R 1 is a (C 1 -C 6 )alkyl group such as methyl, ethyl, n-propyl, i-propyl, n-butyl, i-butyl, s-butyl, t-butyl, n-pentyl or n-hexyl
  • R 2 is a hydroxyl group, its salt, a thiol group, its salt, an amide group, or an anilide group.
  • R 1 is a methyl group and R 2 is a hydroxyl group, its salt, a thiol group, its salt, an amide group, or an anilide group.
  • salts with alkali metals such as sodium, potassium, etc.; salts with alkaline earth metals such as calcium, magnesium, etc.; unsubstituted ammonium salt; substituted ammonium salts having one or more substituents which may be the same or different and are selected from the group consisting of (C 1 -C 12 )alkyl groups, unsubstituted phenyl group, substituted phenyl groups, unsubstituted benzyl group and substituted benzyl groups; and guanidium salt.
  • alkali metals such as sodium, potassium, etc.
  • salts with alkaline earth metals such as calcium, magnesium, etc.
  • unsubstituted ammonium salt substituted ammonium salts having one or more substituents which may be the same or different and are selected from the group consisting of (C 1 -C 12 )alkyl groups, unsubstituted phenyl group, substituted phenyl groups, unsubstituted
  • the 1,2,3-thiadiazole derivative of the general formula (I) or salt thereof used as the active ingredient of the agricultural and horticultural disease controller of the present invention can be produced, for example, by any of the processes exemplified below:
  • R 1 is as defined above, R' is a (C 1 -C 6 )alkyl group, R" is an amino group or a (C 1 -C 6 )alkyl group, and Hal is a halogen atom.
  • a compound of the general formula (XII) is reacted with a compound of the general formula (XI) to obtain a compound of the general formula (X).
  • the compound (X) is cyclized after or without isolation to obtain a 1,2,3-thiadiazole derivative of the general formula (I-1).
  • the derivative (I-1) is hydrolyzed after or without isolation to obtain a compound of the general formula (IX).
  • the compound (IX) is halogenated after or without isolation, whereby the acid halide of the general formula (VIII) can be produced.
  • the compound of the general formula (XII) can be produced by the process described in J. Org. Chem., 43, 2087 (1978), Formation of C-C bonds. Vol. 3, p. 259, 1979 (Georg Thime Publishers, Stuttgart), etc.
  • the 1,2,3-thiadiazole derivative of the general formula (I) or salt thereof used as the active ingredient of the agricultural and horticultural disease controller of the present invention can be produced, for example, by any of the processes illustrated below.
  • the acid halide of the general formula (VIII) is reacted with an alcohol of the general formula (III) to obtain a 1,2,3-thiadiazole derivative of the general formula (I-2).
  • the compound (I-2) is reacted with an amine of the general formula (II) after or without isolation of the compound (I-2), whereby a 1,2,3- thiadiazole derivative of the general formula (I-3) can be produced.
  • the 1,2,3-thiadiazole derivative of the general formula (I-3) can be. produced also by reacting the acid halide of the general formula (VIII) with an amine of the general formula (II). wherein R 19 , R 20 and Hal are as defined above.
  • a 1,2,3-thiadiazole derivative of the general formula (I-4) can be produced by reacting the acid halide of the general formula (VIII) with a compound of the general formula (IV).
  • a 1,2,3-thiadiazole derivative of the general formula (I-5) can be produced by reacting the acid halide of the general formula (VIII) with a compound of the general formula (V).
  • a 1,2,3-thiadiazole derivative of the general formula (I-6) can be produced by reacting the acid halide of the general formula (VIII) with a compound of the general formula (VI).
  • a 1,2,3-thiadiazole derivative of the general formula (I-7) can be produced by reacting the acid halide of the general formula (VIII) with a compound of the general formula (VII).
  • Typical compounds as the 1,2,3-thiadiazole derivative of the general formula (I) or a salt thereof are listed in Table 1 but they are not intended in any way to limit the scope of the present invention.
  • Table 2 shows 1 H-NMR data of the 1,2,3-thiadiazole derivatives having a physical property expressed by the word “oil”, “paste” or “NMR” in Table 1.
  • the 1,2,3-thiadiazole derivatives of the general formula (I) or salts thereof according to the present invention are useful for agricultural and horticultural disease control.
  • the compounds listed in Table 1 are very effective in controlling various diseases, for instance, rice blast (Pyricularia oryzae), rice sheath blight (Rhizoctonia solani), rice helminthosporium leaf spot (Cochliobolus miyabeanus), powdery mildew of various host plants, such as powdery mildew of barley and wheat (Erysiphe graminis), oats crown rust (Puccinia coronata), rust of other plants, tomato late blight (Phytophthora infestans), late blight or Phytophthora rots of other plants, downy mildew of various plants, such as cucumber downy mildew
  • tobacco mosaic virus tobacco mosaic virus
  • the agricultural and horticultural disease controller of the present invention is markedly
  • the desired effects of the agricultural and horticultural disease controller of the present invention can be obtained by applying the disease controller to the paddy field water, stalks and leaves of fruit trees, vegetables, other crops, flowers and ornamental plants, soil, etc., at a season at which the diseases are expected to occur, before their
  • the agricultural and horticultural disease controller of the present invention is used after being prepared into a conveniently usable form according to an ordinary manner for preparation of agrochemicals.
  • 1,2,3-thiadiazole derivative of the general formula (I) or salt thereof according to the present invention and, optionally, an adjuvant are blended with a suitable inert carrier in a proper proportion and prepared into a suitable preparation form such as a suspension, emulsifiable concentrate, soluble concentrate, wettable powder, granules, dust or tablets through dissolution, dispersion, suspension, mixing, impregnation, adsorption or sticking.
  • the inert carrier used in the present invention may be either solid or liquid.
  • the solid carrier there can be exemplified soybean flour, cereal flour, wood flour, bark flour, saw dust, powdered tobacco stalks, powdered walnut shells, bran, powdered cellulose, extraction residue of vegetables, powdered synthetic polymers or resins, clays (e.g. kaolin, bentonite, and acid clay), talcs (e.g. talc and
  • silica powders or flakes e.g.
  • diatomaceous earth silica sand, mica and white carbon
  • silicic acid also called finely divided hydrated silica or hydrated silicic acid
  • some of commercially available products contain calcium silicate as the major component
  • activated carbon powdered sulfur, powdered pumice, calcined diatomaceous earth, ground brick, fly ash, sand, calcium carbonate powder, calcium phosphate powder and other inorganic or mineral powders, chemical
  • fertilizers e.g. ammonium sulfate, ammonium phosphate, ammonium nitrate, urea and ammonium chloride
  • compost e.g. ammonium sulfate, ammonium phosphate, ammonium nitrate, urea and ammonium chloride
  • fertilizers e.g. ammonium sulfate, ammonium phosphate, ammonium nitrate, urea and ammonium chloride
  • compost e.g. ammonium sulfate, ammonium phosphate, ammonium nitrate, urea and ammonium chloride
  • the liquid carrier is that which itself has solubility or which is without such solubility but is capable of dispersing an active ingredient with the aid of an adjuvant.
  • the following are typical examples of the liquid carrier and can be used alone or as a mixture thereof.
  • Water alcohols such as methanol, ethanol, isopropanol, butanol and ethylene glycol; ketones such as acetone, methyl ethyl ketone, methyl isobutyl ketone, diisobutyl ketone and cyclohexanone; ethers such as ethyl ether, dioxane, Cellosolve, dipropyl ether and tetrahydrofuran; aliphatic hydrocarbons such as kerosene and mineral oils; aromatic hydrocarbons such as benzene, toluene, xylene, solvent naphtha and alkylnaphthalenes; halogenated hydrocarbons such as dichloroethane, chloro
  • a surfactant is used. As the
  • surfactant there can be exemplified polyoxyethylene alkyl ethers, polyoxyethylene alkylaryl ethers,
  • polyoxyethylene higher fatty acid esters polyoxyethylene resinates, polyoxyethylene sorbitan monolaurate, polyoxyethylene sorbitan monooleate, alkylarylsulfonates, naphthalenesulfonic acid condensation products, ligninsulfonates and higher alcohol sulfate esters.
  • adjuvants such as casein, gelatin, starch, methyl cellulose, carboxymethyl cellulose, gum arabic, polyvinyl alcohols, turpentine, bran oil, bentonite and ligninsulfonates.
  • adjuvants such as waxes, stearates and alkyl phosphates.
  • Adjuvants such as naphthalenesulfonic acid condensation products and polycondensates of phosphates may be used as a peptizer for dispersible products.
  • Adjuvants such as silicon oils may also be used as a defoaming agent.
  • the content of the active ingredient may be varied as required.
  • the suitable content thereof is from 0.01 to 50% by weight.
  • emulsifiable concentrates or flowable wettable powders it is also from 0.01 to 50% by weight.
  • horticultural disease controller containing the 1,2,3- thiadiazole derivative of the general formula (I) or a salt thereof as an active ingredient is used to control various diseases in the following manner. That is, it is applied to a crop on which the diseases are expected to occur, or a site where the occurrence of the diseases is undesirable, as it is or after being properly diluted with or suspended in water or the like, in an amount effective for control of the diseases.
  • said disease for example, to control the diseases of paddy rice, said disease
  • controller can be used by a method such as submerged application to a regular paddy field, application to a rice nursery bed, dressing of seeds for direct sowing on flooded paddy field, or seed disinfection.
  • the applying dosage of the present inventive agricultural and horticultural disease controller containing the 1,2,3-thiadiazole derivative of the general formula (I) or a salt thereof as an active ingredient is varied depending upon various factors such as a purpose, diseases to be controlled, a growth state of a plant, tendency of disease occurrence, weather, environmental conditions, a preparation form, an
  • a dust was prepared by mixing uniformly and grinding the above ingredients.
  • Granules were prepared by mixing the above ingredients uniformly, and kneading the resulting mixture together with a suitable amount of water, followed by granulation and drying.
  • a wettable powder was prepared by mixing uniformly and grinding the above ingredients.
  • Rice plants at the 5 to 6 leaf stage cultivated in a 1/10000-are pot were subjected to submerged application of a chemical containing each compound listed in Table 1 as an active ingredient, in a dosage of 200 g/10 a in terms of the active ingredient. After standing in a greenhouse for 1 week, the plants were inoculated with a suspension of spores of blast fungus
  • the plants were allowed to stand in a moist chamber for 1 day and then a
  • Barley plants at the 3.5 leaf stage cultivated in a pot were applied with a spray mix containing each compound listed in Table 1 as an active ingredient at the concentration of 200 ppm. After standing thus treated plants in a greenhouse for 1 week, the plants were inoculated with spores of powdery mildew fungus (Erysiphe graminis f. sp. hordei)
  • the plants were allowed to stand in a greenhouse for 1 week to cause the disease sufficiently. Then, lesions in each leaf were counted and then compared with those on the untreated plot, and the controlling degree was calculated, whereby the effect was judged according to the following criterion.
  • the compounds listed in Table 1 were found to have a marked powdery mildew-controlling activity.
  • the following were rated B or higher: compound Nos. 7 to 9, 15, 16, 33, 40, 66, 72, 84, 104 to 107, 111 to 113, 115 to 117, 122 to 124, 128, 130, 139, 145, 180, 193, 194, 215, 217, 218 and 224.
  • the following were rated A: compound Nos.
  • reaction mixture was poured into ice water and the desired compound was extracted three times with ethyl acetate.
  • the extracted solution was washed with water, dried over anhydrous sodium sulfate, and then distilled under reduced pressure to remove the solvent, whereby 1.33 g of the desired compound was obtained.

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Abstract

A method for using a compound represented by general formula (I) (wherein R?1 and R2¿ are the substituents, respectively, defined in the specification) for agricultural and horticultural disease control, and a composition used in said method.

Description

DESCRIPTION
AN AGRICULTURAL AND HORTICULTURAL DISEASE CONTROLLER AND A METHOD FOR CONTROLLING THE DISEASES
Technical Field
The present invention relates to an agricultural and horticultural disease controller containing as an active ingredient a 1,2,3-thiadiazole derivative represented by the general formula (1), or a salt thereof:
Figure imgf000003_0001
wherein R1 is ① a hydrogen atom, ② a (C1-C12)alkyl group, ③ a halo(C1-C12)alkyl group, ④ a (C2-C12)alkenyl group, ⑤ a halo(C2-C12)alkenyl group, ⑥ a
(C2-C12)alkynyl group, ⑦ a halo(C2-C12)alkynyl group, ⑧ a (C3-C6)cycloalkyl group, ⑨ an unsubstituted phenyl group, 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, ⑪ a group represented by the formula:
Figure imgf000004_0001
(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 (C1-C12)alkenyl group; a
(C1-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), ⑫ a group represented by the formula:
Figure imgf000005_0001
(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; (C1-C12)alkenyl groups; (C1-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), ⑬ a group represented by the formula:
Figure imgf000006_0001
(wherein R3, R4, R6 and R7, and n is an integer of 1 to 6), or ⑭ a group represented by the formula:
Figure imgf000006_0002
[wherein R3, R4 and n are as defined above, A is
Figure imgf000006_0003
(wherein R9 is a hydrogen atom, a (C1-C12)alkyl group or a halo(C1-C12)alkyl group),
Figure imgf000006_0004
{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
N-R11
(wherein R11 is a hydrogen atom, a (C1-C12)alkyl group or a halo(C1-C12)alkyl group)}, or
-N(R10)
(wherein R10 is as defined above), and R8 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; a
(C1-C12)alkoxy(C1-C12)alkyl group; a (C1-C12)alkylthio(C1-C12)alkyl group; a cyano(C1-C12)alkyl 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; 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; an unsubstituted 5- or
6-membered heterocyclic ring having one or more
heteroatoms which may be the same or different and are selected from the group consisting of oxygen atom, sulfur atom and nitrogen atom; or a substituted 5- or 6-membered heterocyclic ring having one or more
heteroatoms which may be the same or different and are selected from the group consisting of oxygen atom, sulfur atom and nitrogen atom, said substituted heterocyclic ring 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], and R2 is (i) a group represented by the formula:
-X-R12
[wherein X is an oxygen atom or a sulfur atom, and R12 is ① a hydrogen atom, ② a (C1-C12)alkyl group, ③ a halo(C1-C12)alkyl group, ④ a (C1-C12)alkenyl group, ⑤ a halo(C2-C12)alkenyl group, ⑥ a (C2-C12)alkynyl group, ⑦ a halo(C2-C12)alkynyl group, ⑧ a hydroxy(C1-C6)alkyl group, ⑨ a (C1-C12)alkoxy(C1-C12)alkyl group, ⑩ a
(C1-C12)alkylthio(C1-C12)alkyl group, ⑪ a (C3-C6)cycloalkyl group, ⑫ a (C3-C6)cycloalkyl(C1-C12)alkyl group,
⑬ an unsubstituted phenyl group, ⑭ 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, (C2-C6)alkynyl groups, and (C1-C6)alkoxycarbonyl (C1-C6)alkyloxy groups, ⑮ an unsubstituted
phenyl(C1-C6)alkyl group, ⑯ 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, ⑰ a diphenyl(C1-C6)alkyl group, ⑱ a phenoxyfC1-C6)alkyl group, ⑲ a group represented by the formula:
-B-N(R13)R14
{wherein B is a (C1-C6)alkylene group which may be substituted by a (C1-C6)alkyl group or a phenyl group, and R13 and R14, which may be the same or different, are hydrogen atoms; formyl groups; (C1-C12)alkyl groups; (C2-C12)alkenyl groups; (C2-C12)alkynyl groups;
(C1-C6)alkylcarbonyl 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 hydrogen atom, 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; phenylcarbonyl groups; unsubstituted 1,2,3-thiadiazol-5-yl-carbonyl groups; or substituted 1,2,3-thiadiazol-5-yl-carbonyl groups having a halogen atom or a (C1-C6)alkyl group as the
substituent; R13 and R14 being able to be taken together to represent a (C4-C5)alkylene group which may contain, between adjacent carbon atoms of the carbon chain, an oxygen atom, a sulfur atom or
N-R11
(wherein R11 is as defined above)}, ⑳ a group
represented by the formula:
-C(R15)=C(R16)-R17 (wherein R15 is a hydrogen atom or a (C1-C6)alkyl group, R16 is a hydrogen atom, a halogen atom or a (C1-C6)alkyl group, and R17 is a nitro group, a cyano group, a
(C1-C6)alkylcarbonyl group, a (C1-C6)alkoxycarbonyl group, a phenylcarbonyl group, or a substituted amino- carbonyl group having one or more substituents which may be the same or different and are selected from the group consisting of hydrogen atom, (C1-C12)alkyl groups, unsubstituted phenyl group, and 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, cyano group, nitro group,
(C1-C6)alkyl groups and (C1-C6)alkoxy groups, R15 and R17 being able to be taken together to represent a (C3-C6)alkylene group which may be substituted by one or more (C1-C6)alkyl group and/or an oxo group),
Figure imgf000011_0001
a group represented by the formula:
Figure imgf000011_0005
(wherein two R18's, which may be the same or different, are hydrogen atoms, (C1-C6)alkylcarbonyl groups,
phenylcarbonyl groups, unsubstituted 1,2,3-thiadiazol-5-yl-carbonyl groups, or substituted 1,2,3-thiadiazol-5-yl-carbonyl groups having a halogen atom or a (C1-C6)alkyl group as the substituent, and ℓ is zero or an integer of 1 to 12),
Figure imgf000011_0002
a 5- or 6-membered heterocyclic (C1-C6)alkyl group having one or more heteroatoms which may be the same or different and are selected from the group consisting of oxygen atom, sulfur atom and nitrogen atom,
Figure imgf000011_0003
tri(C1-C6)alkylsilyl(C1-C6)alkyl groups, or
Figure imgf000011_0004
1,2,3-thiadiazol-5-yl-carbonyloxy(C1-C12)alkyl groups having on the ring a halogen atom or (C1-C6)alkyl group as the substituent], (ii) a group represented by the formula:
-O-N=C(R19)R20
[wherein R19 and R20. which may be the same or
different, are ① hydrogen atoms, ② halogen atoms, ③ nitro groups, ④ cyano groups, ⑤ (C1-C12)alkyl groups, ⑥ halo(C1-C12)alkyl groups, ⑦ (C3-C6)cycloalkyl
groups, ⑧ (C1-C12)alkenyl groups, ⑨ (C2-C12)alkynyl groups, ⑩ (C1-C12)alkoxy(C1-C12)alkyl groups, ⑪
(C1-C12)alkoxycarbonyl groups, ⑫ unsubstituted phenyl groups, ⑬ 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, ⑭ unsubstituted 5- or 6-membered heterocyclic rings having one or more heteroatoms which may be the same or different and are selected from the group consisting of oxygen atom, sulfur atom and
nitrogen atom, ⑮ substituted 5- or 6-membered heterocyclic rings having one or more heteroatoms which may be the same or different and are selected from the group consisting of oxygen atom, sulfur atom and nitrogen atom, said substituted heterocyclic ring 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, ⑯ groups represented by the formula;
-SR5
(wherein R5 is as defined above), or ⑰ groups
represented by the formula:
-N(R6)R7
(wherein R6 and R7 are as defined above), R19 and R20 being able to be taken together to represent ⑱ a
(C3-C6)cycloalkane ring or ⑲ a 5- or 6-membered
heterocyclic ring containing, between adjacent carbon atoms of the carbon chain, one or more hetero atoms which may be the same or different and are selected from the group consisting of oxygen atom, sulfur atom and nitrogen atom], (iii) a group represented by the formula:
-N(R21)R22
[wherein R21 and R22, which may be the same or
different, are ① hydrogen atoms, ② (C1-C12)alkyl groups, ③ unsubstituted halo(C1-C12)alkyl groups, ④ substituted halo(C1-C12)alkyl groups having a hydroxyl group or a (C1-C6)alkoxy group as the substituent, ⑤ (C2-C12)alkenyl groups, ⑥ (C2-C12)alkynyl groups, ⑦ (C1-C12)alkoxy(C1-C6)alkyl groups, ⑧ (C1-Cχ2)alkylthio(C1-C6)alkyl groups, ⑨ cyano(C1-C12)alkyl groups, ⑩ substituted cyano(C1-C6)alkyl groups having on the alkyl chain a substituent selected from the group consisting of (C1-C6)alkoxy groups, (C2-C6)alkenyloxy groups,
(C2-C6)alkynyloxy groups, (C1-C6)alkylthio groups,
(C1-C6)alkoxycarbonyl(C1-C6)alkoxy groups, (C1-C6)alkoxycarbonyl(C1-C6)alkylthio groups, phenoxy group, phenylthio group and pyrazol-1-yl group, ⑪ unsubstituted carbamoyl(C1-C6)alkyl groups, ⑫ substituted carbamoyl(C1-C6)alkyl groups having on the alkyl chain a substituent selected from the group consisting of
(C1-C6)alkoxy groups, (C2-C6)alkenyloxy groups,
(C2-C6)alkynyloxy groups, (C1-C6)alkylthio groups,
(C1-C6)alkoxycarbonyl(C1-C6)alkoxy groups, (C1-C6)alkoxycarbonyl(C1-C6)alkylthio groups, phenoxy group, phenylthio group and pyrazol-1-yl group, ⑬ hydroxy(C1-C6)alkyl groups, ⑭ di(C1-C6)alkoxy(C1-C6)alkyl groups in which the (C1-C6)alkoxy groups may be the same or different, ⑮ unsubstituted (C1-C6)alkoxycarbonyl(C1-C6)alkyl groups, ⑯ substituted (C1-C6)alkoxycarbonyl(C1-C6)alkyl groups having on the alkyl chain a substituent selected from the group consisting of
(C1-C6)alkyl groups, (C1-C6)alkoxy groups, (C2-C6)alkenyloxy groups, (C2-C6)alkynyloxy groups, (C1-C6) alkylthio groups, (C1-C6)alkoxycarbonyl(C1-C6)alkoxy groups, (C1-C6)alkoxycarbonyl(C1-C6)alkylthio groups, phenyl group, phenyl(C1-C6)alkyl group, phenoxy group, phenylthio group and pyrazol-1-yl group, ⑰ unsubstituted phenyl groups, ⑱ substituted phenyl groups having one or more substituents which may be the same or different and are selected from the group consisting of 1) halogen atoms, 2) nitro group, 3) cyano group, 4) (C1-C6)alkyl groups, 5) halo(C1-C6)alkyl groups,
6) (C1-C6)alkoxy groups, 7) halo(C1-C6)alkoxy groups, 8) (C1-C6)alkylthio groups, 9) halo(C1-C6)alkylthio groups, 10) (C2-C6)alkenyl groups, 11) (C2-C6)alkynyl groups, 12) (C1-C6)alkylcarbonyl groups, 13) carboxyl group, 14) (C1-C12)alkoxycarbonyl groups, 15)
methylenedioxy group, 16) phenyl group, 17) groups represented by the formula:
Figure imgf000015_0001
(wherein R23 and R24, 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; 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, cyano group, nitro group, (C1-C6)alkyl groups and (C1-C6)alkoxy groups; or 5- or 6-membered heterocyclic rings containing, between adjacent carbon atoms of the carbon chain, one or more hetero atoms which may be the same or different and are selected from the group consisting of oxygen atom, sulfur atom and nitrogen atom), 18) groups represented by the formula:
-SO2-R25 (wherein R25 is a hydrogen atom, hydroxyl group, a
(C1-C12)alkyl group, a halo(C1-C6)alkyl group, an unsubstituted phenyl group, a substituted phenyl group having as the substituent(s) one or more substituents which may be the same or different and are selected from the group consisting of halogen atoms, (C1-C6)alkyl groups and (C1-C6)alkoxy groups, unsubstituted 1,2,3-thiadiazol-5-yl group, or substituted 1,2,3-thiadiazol-5-yl groups having halogen atom, (C1-C6)alkyl group or (C1-C6)alkoxy group as the substituent), 19) groups represented by the formula:
Figure imgf000016_0001
(wherein R25 is as defined above), 20) groups
represented by the formula:
Figure imgf000016_0002
(wherein R26 is a (C1-C6)alkyl group, a phenyl group or a phenyl(C1-C6)alkyl group), 21) groups represented by the formula:
-NH-SO2-R25 (wherein R25 is as defined above), 22) groups represented by the formula:
Figure imgf000017_0001
(wherein R25 is as defined above), and 23) groups
represented by the formula:
Figure imgf000017_0002
(wherein R26 is as defined above), ⑲ unsubstituted phenyl(C1-C6)alkyl groups, ⑳ 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,
Figure imgf000017_0003
naphthyl groups,
Figure imgf000017_0004
groups represented by the formula:
-(CH2)pNHR18 (wherein R18 is as defined above, and p is an integer of 1 to 12), or
Figure imgf000017_0006
5- or 6-membered heterocyclic rings having one or more hetero atoms which may be the same or different and are selected from the group consisting of oxygen atom, sulfur atom and nitrogen atom, R21 and R22 being able to be taken together to represent
Figure imgf000017_0005
a (C4-C6)alkylene group which may contain an oxygen atom between adjacent carbon atoms of the carbon chain, or
Figure imgf000018_0001
a diaminomethylene group], (iv) a group represented by the formula:
-N(R6)NHR27 [wherein R6 is as defined above, and R27 is ① a
hydrogen atom, ② a (C1-C12)alkyl group, ③ a halo(C1-C12)alkyl group, ④ a (C1-C12)alkenyl group, ⑤ a (C2-C12)alkynyl group, ⑥ a (C1-C12)alkoxy(C1-C6)alkyl group, ⑦ a (C1-C12)alkylthio(C1-C6)alkyl group, ⑧ a cyano(C1-C12)alkyl group, ⑨ an unsubstituted phenyl group, 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, ⑪ an unsubstituted phenyl(C1-C6)alkyl group, ⑫ 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, ⑬ a group represented by the formula:
Figure imgf000019_0001
(wherein R6 is as defined above), ⑭ a group represented by the formula:
Figure imgf000019_0002
(wherein R6 is as defined above), ⑮ a group represented by the formula:
Figure imgf000019_0003
(wherein R6 and R7 are as defined above), or ⑯ a group represented by the formula:
-SO2-R6
(wherein R6 is as defined above)], (v) a group
represented by the formula:
-NHN(R6)R27
[wherein R6 and R27 are as defined above, R6 and R27 being able to be taken together to represent =C(R28)R29
(wherein R28 and R29, which may be the same or
different, are hydrogen atoms; (C1-C6)alkyl groups;
halo(C1-C6)alkyl groups; (C3-C6)cycloalkyl 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, (C1-C6)alkyl groups and (C1-C6)alkoxy groups; or 5- or 6-membered heterocyclic rings
containing, between adjacent carbon atoms of the carbon chain, one or more hetero atoms which may be the same or different and are selected from the group consisting of oxygen atom, sulfur atom and nitrogen atom; R28 and R29 being able to be taken together to represent a (C3-C6)cycloalkane ring or a 5- or 6-membered heterocyclic ring containing one or more sulfur atoms between adjacent carbon atoms of the carbon chain), or R6 and R27 being able to be taken together with the nitrogen atom to which they are bonded, to represent a 5- or 6-membered heterocyclic ring which may contain, between adjacent carbon atoms of the carbon chain, one or more hetero atoms which may be the same or different and are
selected from the group consisting of oxygen atom, sulfur atom and nitrogen atom], or (vi) a group
represented by the formula:
-N(R6)-OR30 (wherein R6 is as defined above, and R30 is a hydrogen atom, a (C1-C12)alkyl group, a halo(C1-C12)alkyl group, a (C3-C6)cycloalkyl group, a (C1-C12)alkenyl group, a (C2-C12)alkynyl group, 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, (C2-C6)alkenyl groups and (C2-C6)alkynyl groups).
Background Art
Japanese Patent Unexamined Publication No. 54-9272 discloses 1,2,3-thiadiazole-5-carboxylic acid derivatives, a process for production thereof and an agent containing the derivative and having herbicidal and growth-regulating effects.
Disclosure of Invention
The present inventors earnestly investigated for developing a novel agricultural and horticultural disease controller and consequently found that 1,2,3-thiadiazole derivatives or salts thereof, which include some of the compounds disclosed in USP 4177054, are useful for herbicide and growth segulater, whereby the present invention has been accomplished. Best Mode for Carrying Out the Invention
In the definition of the substituents of the 1,2,3-thiadiazole derivative of the general formula (I) used as the active ingredient of the agricultural and horticultural disease controller of the present
invention, the halogen atom includes chlorine atom, bromine atom, iodine atom and fluorine atom. The term "(C1-C12)alkyl group" means a linear or branched alkyl group of 1 to 12 carbon atoms, such as methyl, ethyl, n-propyl, i-propyl, n-butyl, i-butyl, s-butyl, t-butyl, n-pentyl, n-hexyl, n-heptyl, n-octyl, n-nonyl, n-decyl, n-undecyl, n-dodecyl or the like. The term "halo(C1-C12)alkyl group" means a substituted and linear or branched alkyl group of 1 to 12 carbon atoms having as the substituent(s) one or more halogen atoms which may be the same or different. The term "(C2-C6)alkenyl group" means a linear or branched alkenyl group of 2 to 6 carbon atoms having a double bond. The term "halo(C2-C6)alkenyl group" means a substituted and linear or branched alkenyl group of 2 to 6 carbon atoms having as the substituent(s) one or more halogen atoms which may be the same or different. The term "(C2-C6)alkynyl group" means a linear or branched alkynyl group of 2 to 6 carbon atoms having a triple bond. The term "halo(C2-C6)alkynyl group" means a substituted and linear or branched alkynyl group of 2 to 6 carbon atoms having as the substituent(s) one or more halogen atoms which may be the same or different. The term "5- or 6-membered heterocyclic ring having one or more heteroatoms which may be the same or different and are selected from the group consisting of oxygen atom, sulfur atom and nitrogen atom" means any heterocyclic ring derived from furan, thiophene, pyrrole, oxazole, thiazole, isothiazole, pyrazole, imidazole, 1,2,3-thiadiazole, 1,2,4-thiadiazole, 1,2,5-thiadiazole, 1,3,4-thiadiazole, 1,2,4-triazole, pyridine, pyridazine, pyrimidine, pyrazine, pynolidine, piperidine, morpholine, thiamorpholine, dithiolane, dithian, piperazine, dioxelan, imidazolizine and the like.
Preferable examples of the substituents of the 1,2,3-thiadiazole derivative of the general formula (I) used in the present invention are as follows. There is preferably used a compound in which R1 is a (C1-C12)alkyl group, halo(C1-C12)alkyl group, (C3-C6)cycloalkyl group, (C2-C12)alkenyl group, halo(C2-C12)alkenyl group, (C2-C12)alkynyl group, halo(C1-C12)alkynyl group,
unsubstituted phenyl group or substituted phenyl group, and R2 is -X-R12. There is more preferably used a compound in which R1 is a (C1-C6)alkyl group such as methyl, ethyl, n-propyl, i-propyl, n-butyl, i-butyl, s-butyl, t-butyl, n-pentyl or n-hexyl, and R2 is a hydroxyl group, its salt, a thiol group, its salt, an amide group, or an anilide group.
There is most preferably used a compound in which R1 is a methyl group and R2 is a hydroxyl group, its salt, a thiol group, its salt, an amide group, or an anilide group.
As the salt of the 1,2,3-thiadiazole derivative of the general formula (I), there can be exemplified salts with alkali metals such as sodium, potassium, etc.; salts with alkaline earth metals such as calcium, magnesium, etc.; unsubstituted ammonium salt; substituted ammonium salts having one or more substituents which may be the same or different and are selected from the group consisting of (C1-C12)alkyl groups, unsubstituted phenyl group, substituted phenyl groups, unsubstituted benzyl group and substituted benzyl groups; and guanidium salt.
The 1,2,3-thiadiazole derivative of the general formula (I) or salt thereof used as the active ingredient of the agricultural and horticultural disease controller of the present invention can be produced, for example, by any of the processes exemplified below:
Figure imgf000024_0001
wherein R1 is as defined above, R' is a (C1-C6)alkyl group, R" is an amino group or a (C1-C6)alkyl group, and Hal is a halogen atom.
A compound of the general formula (XII) is reacted with a compound of the general formula (XI) to obtain a compound of the general formula (X). The compound (X) is cyclized after or without isolation to obtain a 1,2,3-thiadiazole derivative of the general formula (I-1). The derivative (I-1) is hydrolyzed after or without isolation to obtain a compound of the general formula (IX). The compound (IX) is halogenated after or without isolation, whereby the acid halide of the general formula (VIII) can be produced.
The compound of the general formula (XII) can be produced by the process described in J. Org. Chem., 43, 2087 (1978), Formation of C-C bonds. Vol. 3, p. 259, 1979 (Georg Thime Publishers, Stuttgart), etc.
From the acid halide of the general formula (VIII) produced by the above process, the 1,2,3-thiadiazole derivative of the general formula (I) or salt thereof used as the active ingredient of the agricultural and horticultural disease controller of the present invention can be produced, for example, by any of the processes illustrated below.
Figure imgf000026_0001
) wherein R1, R12, R21, R22 and Hal are as defined above.
The acid halide of the general formula (VIII) is reacted with an alcohol of the general formula (III) to obtain a 1,2,3-thiadiazole derivative of the general formula (I-2). The compound (I-2) is reacted with an amine of the general formula (II) after or without isolation of the compound (I-2), whereby a 1,2,3- thiadiazole derivative of the general formula (I-3) can be produced.
The 1,2,3-thiadiazole derivative of the general formula (I-3) can be. produced also by reacting the acid halide of the general formula (VIII) with an amine of the general formula (II).
Figure imgf000027_0001
wherein R19, R20 and Hal are as defined above.
A 1,2,3-thiadiazole derivative of the general formula (I-4) can be produced by reacting the acid halide of the general formula (VIII) with a compound of the general formula (IV).
Figure imgf000027_0002
wherein R6, R27 and Hal are as defined above.
A 1,2,3-thiadiazole derivative of the general formula (I-5) can be produced by reacting the acid halide of the general formula (VIII) with a compound of the general formula (V). Similarly, a 1,2,3-thiadiazole derivative of the general formula (I-6) can be produced by reacting the acid halide of the general formula (VIII) with a compound of the general formula (VI).
Figure imgf000028_0001
wherein R6, R30 and Hal are as defined above.
A 1,2,3-thiadiazole derivative of the general formula (I-7) can be produced by reacting the acid halide of the general formula (VIII) with a compound of the general formula (VII).
Typical compounds as the 1,2,3-thiadiazole derivative of the general formula (I) or a salt thereof are listed in Table 1 but they are not intended in any way to limit the scope of the present invention.
The abbreviations in the R1 column and R2 column in Table 1 stand for the following compounds:
Figure imgf000028_0002
Figure imgf000029_0001
Figure imgf000030_0001
Figure imgf000031_0001
Figure imgf000032_0001
Figure imgf000033_0001
Figure imgf000034_0001
Figure imgf000035_0001
Figure imgf000036_0001
Figure imgf000037_0001
Figure imgf000038_0001
Figure imgf000039_0001
Figure imgf000040_0001
Figure imgf000041_0001
Figure imgf000042_0001
Figure imgf000043_0001
Figure imgf000044_0001
Figure imgf000045_0001
Figure imgf000046_0001
Figure imgf000047_0001
Figure imgf000048_0001
Figure imgf000049_0001
Figure imgf000050_0001
Figure imgf000051_0001
Figure imgf000052_0001
Figure imgf000053_0001
Table 2 shows 1H-NMR data of the 1,2,3-thiadiazole derivatives having a physical property expressed by the word "oil", "paste" or "NMR" in Table 1.
Figure imgf000054_0001
Figure imgf000055_0001
Figure imgf000056_0001
Figure imgf000057_0001
The 1,2,3-thiadiazole derivatives of the general formula (I) or salts thereof according to the present invention are useful for agricultural and horticultural disease control. For example, the compounds listed in Table 1 are very effective in controlling various diseases, for instance, rice blast (Pyricularia oryzae), rice sheath blight (Rhizoctonia solani), rice helminthosporium leaf spot (Cochliobolus miyabeanus), powdery mildew of various host plants, such as powdery mildew of barley and wheat (Erysiphe graminis), oats crown rust (Puccinia coronata), rust of other plants, tomato late blight (Phytophthora infestans), late blight or Phytophthora rots of other plants, downy mildew of various plants, such as cucumber downy mildew
(Pseudoperonospora cubensis) and grape downy mildew
(Plasmopara viticola), apple scab (Venturia inaequalis), apple alternaria leaf spot (Alternaria mali), pear black spot (Alternaria kikuchiana), citrus melanose (Diaporthe citri), cucumber bacterial blight (Pseudomonas syringae pv. lachrymans), tomato bacterial wilt (Pseudomonas solanacearum), cabbage black rot (Xanthomonas
campestris), citrus canker (Xanthomonas citri (Hasse) Dowson), rice bacterial leaf blight (Xanthomonas
oryzae), cabbage bacterial soft rot (Erwinia
carotovora), and tobacco mosaic (Tobacco mosaic virus).
The agricultural and horticultural disease controller of the present invention is markedly
effective in controlling the above-exemplified diseases which damage paddy field crops, upland crops, fruit trees, vegetables, other crops, flowers and ornamental plants, and the like. Therefore, the desired effects of the agricultural and horticultural disease controller of the present invention can be obtained by applying the disease controller to the paddy field water, stalks and leaves of fruit trees, vegetables, other crops, flowers and ornamental plants, soil, etc., at a season at which the diseases are expected to occur, before their
occurrence or at the time when their occurrence is confirmed.
In general, the agricultural and horticultural disease controller of the present invention is used after being prepared into a conveniently usable form according to an ordinary manner for preparation of agrochemicals.
That is, the 1,2,3-thiadiazole derivative of the general formula (I) or salt thereof according to the present invention and, optionally, an adjuvant are blended with a suitable inert carrier in a proper proportion and prepared into a suitable preparation form such as a suspension, emulsifiable concentrate, soluble concentrate, wettable powder, granules, dust or tablets through dissolution, dispersion, suspension, mixing, impregnation, adsorption or sticking.
The inert carrier used in the present invention may be either solid or liquid. As the solid carrier, there can be exemplified soybean flour, cereal flour, wood flour, bark flour, saw dust, powdered tobacco stalks, powdered walnut shells, bran, powdered cellulose, extraction residue of vegetables, powdered synthetic polymers or resins, clays (e.g. kaolin, bentonite, and acid clay), talcs (e.g. talc and
pyrophyllite), silica powders or flakes (e.g.
diatomaceous earth, silica sand, mica and white carbon, i.e. synthetic, high-dispersion silicic acid, also called finely divided hydrated silica or hydrated silicic acid, some of commercially available products contain calcium silicate as the major component), activated carbon, powdered sulfur, powdered pumice, calcined diatomaceous earth, ground brick, fly ash, sand, calcium carbonate powder, calcium phosphate powder and other inorganic or mineral powders, chemical
fertilizers (e.g. ammonium sulfate, ammonium phosphate, ammonium nitrate, urea and ammonium chloride), and compost. These carriers may be used alone or as a mixture thereof.
The liquid carrier is that which itself has solubility or which is without such solubility but is capable of dispersing an active ingredient with the aid of an adjuvant. The following are typical examples of the liquid carrier and can be used alone or as a mixture thereof. Water; alcohols such as methanol, ethanol, isopropanol, butanol and ethylene glycol; ketones such as acetone, methyl ethyl ketone, methyl isobutyl ketone, diisobutyl ketone and cyclohexanone; ethers such as ethyl ether, dioxane, Cellosolve, dipropyl ether and tetrahydrofuran; aliphatic hydrocarbons such as kerosene and mineral oils; aromatic hydrocarbons such as benzene, toluene, xylene, solvent naphtha and alkylnaphthalenes; halogenated hydrocarbons such as dichloroethane, chloroform, carbon tetrachloride and chlorobenzene; esters such as ethyl acetate, diisopropyl phthalate, dibutyl phthalate and dioctyl phthalate; amides such as dimethylformamide, diethylformamide and dimethylacetamide; nitriles such as acetonitrile; and dimethyl sulfoxide.
The following are typical examples of the adjuvant, which are used depending upon purposes and used alone or in combination in some cases, or need not to be used at all.
To emulsify, disperse, dissolve and/or wet an active ingredient, a surfactant is used. As the
surfactant, there can be exemplified polyoxyethylene alkyl ethers, polyoxyethylene alkylaryl ethers,
polyoxyethylene higher fatty acid esters, polyoxyethylene resinates, polyoxyethylene sorbitan monolaurate, polyoxyethylene sorbitan monooleate, alkylarylsulfonates, naphthalenesulfonic acid condensation products, ligninsulfonates and higher alcohol sulfate esters.
Further, to stabilize the dispersion of an active ingredient, tackify it and/or bind it, there may be used adjuvants such as casein, gelatin, starch, methyl cellulose, carboxymethyl cellulose, gum arabic, polyvinyl alcohols, turpentine, bran oil, bentonite and ligninsulfonates.
To improve the flowability of a solid product, there may be used adjuvants such as waxes, stearates and alkyl phosphates.
Adjuvants such as naphthalenesulfonic acid condensation products and polycondensates of phosphates may be used as a peptizer for dispersible products.
Adjuvants such as silicon oils may also be used as a defoaming agent.
The content of the active ingredient may be varied as required. In dusts or granules, the suitable content thereof is from 0.01 to 50% by weight. In emulsifiable concentrates or flowable wettable powders, it is also from 0.01 to 50% by weight.
The present inventive agricultural and
horticultural disease controller containing the 1,2,3- thiadiazole derivative of the general formula (I) or a salt thereof as an active ingredient is used to control various diseases in the following manner. That is, it is applied to a crop on which the diseases are expected to occur, or a site where the occurrence of the diseases is undesirable, as it is or after being properly diluted with or suspended in water or the like, in an amount effective for control of the diseases. For example, to control the diseases of paddy rice, said disease
controller can be used by a method such as submerged application to a regular paddy field, application to a rice nursery bed, dressing of seeds for direct sowing on flooded paddy field, or seed disinfection.
The applying dosage of the present inventive agricultural and horticultural disease controller containing the 1,2,3-thiadiazole derivative of the general formula (I) or a salt thereof as an active ingredient is varied depending upon various factors such as a purpose, diseases to be controlled, a growth state of a plant, tendency of disease occurrence, weather, environmental conditions, a preparation form, an
application method, an application site and application time. It may be properly chosen in the range of 0.1 g to 10 kg (in terms of the active ingredient) per 10 ares depending upon purposes.
The present inventive agricultural and
horticultural disease controller containing the 1,2,3- thiadiazole derivative of the general formula (I) or a salt thereof as an active ingredient may be used in admixture with other agricultural and horticultural disease controllers in order to expand both spectrum of controllable diseases and the period of time when effective applications are possible or to reduce the dosage.
Typical examples and test examples of the present invention are described below but they should not be construed as limiting the scope of the invention.
In the examples, parts are all by weight.
Figure imgf000063_0001
An emulsifiable concentrate was prepared by mixing uniformly the above ingredients to effect
dissolution.
Figure imgf000063_0002
A dust was prepared by mixing uniformly and grinding the above ingredients.
Figure imgf000064_0001
Granules were prepared by mixing the above ingredients uniformly, and kneading the resulting mixture together with a suitable amount of water, followed by granulation and drying.
Figure imgf000064_0002
A wettable powder was prepared by mixing uniformly and grinding the above ingredients.
Test Example 1
Controlling effect on rice blast by submerged
application
Rice plants at the 5 to 6 leaf stage cultivated in a 1/10000-are pot were subjected to submerged application of a chemical containing each compound listed in Table 1 as an active ingredient, in a dosage of 200 g/10 a in terms of the active ingredient. After standing in a greenhouse for 1 week, the plants were inoculated with a suspension of spores of blast fungus
(Pyricularia oryzae) by spraying.
After the inoculation, the plants were allowed to stand in a moist chamber for 1 day and then a
greenhouse for 6 days to cause the disease sufficiently.
Then, lesions in each leaf were counted and then
compared with those on the untreated plot, and the controlling degree was calculated, whereby the effect was judged according to the following criterion.
Figure imgf000065_0001
As a result of the above test, the compounds listed in Table 1 were found to have a marked blast-controlling activity. Of these compounds, the following were rated C or higher: compound Nos. 1 to 42, 44 to 61, 62 to 89, 92 to 95, 97 to 100, 103 to 131, 133 to 136, 138 to 140, 142, 144 to 166, 168 to 192, 194 to 196, 198 to 200, 202 to 222, 224, 225, 227 to 233, 237, 240 253 to 255, 268, 269, 272, 273, 276, 278, 287 to 296, 342 to 346, 348, 351, 354 to 357, 361, 362, 366, 369, 372, 374 and 375. In particular, the following were
rated A, namely, the following had an excellent blast-controlling activity: compound Nos. 1, 3, 5 to 19, 21, 24 to 26, 28, 29, 32, 33, 37 to 40, 52, 54, 55, 57 to 59, 64 to 68, 70 to 74, 77 to 80, 84, 92, 93, 99, 103, 104 to 121, 123 to 125, 128, 130, 131, 138, 145, 146, 149, 152, 153, 156, 157, 159, 160, 169, 172 to 174, 175 to 192, 194, 198, 199, 202, 208 to 210, 213, 215 to 221, 224, 225, 227 to 229, 233, 237, 253, 278, 288 to 290, 294, 343, 344, 346, 355, 356, 362, 372, 374 and 375.
Test Example 2
Controlling effect on barley powdery mildew
Barley plants at the 3.5 leaf stage cultivated in a pot were applied with a spray mix containing each compound listed in Table 1 as an active ingredient at the concentration of 200 ppm. After standing thus treated plants in a greenhouse for 1 week, the plants were inoculated with spores of powdery mildew fungus (Erysiphe graminis f. sp. hordei)
After the inoculation, the plants were allowed to stand in a greenhouse for 1 week to cause the disease sufficiently. Then, lesions in each leaf were counted and then compared with those on the untreated plot, and the controlling degree was calculated, whereby the effect was judged according to the following criterion.
Figure imgf000066_0001
As a result of the above test, the compounds listed in Table 1 were found to have a marked powdery mildew-controlling activity. Of these compounds, the following were rated B or higher: compound Nos. 7 to 9, 15, 16, 33, 40, 66, 72, 84, 104 to 107, 111 to 113, 115 to 117, 122 to 124, 128, 130, 139, 145, 180, 193, 194, 215, 217, 218 and 224. In particular, the following were rated A: compound Nos. 7 to 9, 15, 16, 33, 40, 66, 72, 84, 104 to 107, 111 to 113, 115 to 117, 122 to 124, 128, 130, 139, 145, 180, 193, 215, 217, 218 and 224. Referential Production Example 1
Production of sodium 4-ethyl-1,2,3-thiadiazole-5-carboxylate (compound No. 8)
Figure imgf000067_0001
To a solution of 0.13 g of sodium hydroxide in 3 ml of ethanol was added 0.5 g of 4-ethyl-1,2,3-thiadiazole-5-carboxylic acid, and the reaction was carried out at room temperature for 24 hours.
After completion of the reaction, the solvent was distilled off under reduced pressure and the crude product thus obtained was recrystallized from ethanol to obtain 0.44 g of the desired compound.
Physical property: m.p. 250ºC (decomp.).
Yield: 77%. Referential Production Example 2
Production of t-butylammonium 4-ethyl-1,2,3thiadiazole-5-carboxylate (compound No. 185)
Figure imgf000068_0001
In 3 ml of ethanol was dissolved 0.4 g of 4-ethyl-1,2,3-thiadiazole-5-carboxylic acid, after which 0.19 g of t-butylamine was added to the solution and the reaction was carried out at room temperature for 24 hours.
After completion of the reaction, the
crystals precipitated in the reaction solution were collected by filtration and washed with n-hexane to obtain 0.54 g of the desired compound.
Physical property: m.p. 105 - 107°C.
Yield: 93%. Referential Production Example 3
Production of N-isopropyl-5-(N'-isopropylcarbamoyl)-1,2,3-thiadiazol-4-ylacetamide (compound No. 252)
Figure imgf000068_0002
In dimethyl sulfoxide was suspended 0.1 g of sodium hydride, after which 1 g of isopropylamine was added to the suspension, followed by ice-cooling. Then, 0.5 g of methyl 5-methoxycarbonyl-1,2,3-thiadiazol-4-ylacetate was added and the resulting mixture was stirred at room temperature and allowed to stand for 24 hours.
After completion of the reaction, the reaction mixture was poured into ice water and the desired compound was extracted with ethyl acetate. The
extracted solution was washed with water, dried over anhydrous sodium sulfate, and then distilled under reduced pressure to remove the solvent. The crude product thus obtained was purified by a column
chromatography to obtain 0.23 g of the desired compound.
Physical property: m.p. 146 - 156ºC.
Yield: 37%.
Referential Production Example 4
Production of ethyl 4-( 2-methylphenoxymethyl)-1,2,3-thiadiazole-5-carboxylate (compound No. 281)
Figure imgf000069_0001
In 20 ml of dimethylformamide was suspended
0.5 g of sodium hydride, after which 1.57 g of 2- methylphenol was added to the suspension and the
resulting mixture was stirred at room temperature for 5 minutes. The reaction mixture was cooled with ice, followed by adding thereto 3 g of ethyl 4-chloromethyl-1,2,3-thiadiazolecarboxylate, and the resulting mixture was stirred at room temperature and allowed to stand for
24 hours.
After completion of the reaction, the reaction mixture was poured into ice water and the desired compound was extracted three times with ethyl acetate. The extracted solution was washed with water, dried over anhydrous sodium sulfate, and then distilled under reduced pressure to remove the solvent, whereby 1.33 g of the desired compound was obtained.
Physical property: nD 1.5579 (20.1ºC).
Yield: 33%.
Referential Production Example 5
Production of isopropyl 4-methyl-1,2,3-thiadiazole-5-carboxylate (compound No. 18)
Figure imgf000070_0001
To 1.0 g (6.9 mmoles) of 4-methyl-1,2,3- thiadiazole-5-carboxylic acid were added 40 ml of thionyl chloride and 2 drops of dimethylformamide at room temperature, and the resulting mixture was refluxed with heating for 3 hours. After completion of the reaction, the reaction mixture was cooled to room temperature, and the excess thionyl chloride was
distilled off and 7.0 ml of tetrahydrofuran was added to the residue. Then, 2.1 g (21 mmoles) of triethylamine and 0.83 g (13.8 mmoles) of isopropanol were added and the resulting mixture was stirred at room temperature for 18 hours, after which a saturated aqueous sodium chloride solution was added. The desired compound was extracted with ethyl acetate and the organic layer was washed successively with diluted hydrochloric acid, a saturated aqueous sodium hydrogencarbonate solution and a saturated aqueous sodium chloride solution, dried over anhydrous sodium sulfate, and then concentrated under reduced pressure. The resulting residue was purified by a silica gel column chromatography (n-hexane : ethyl acetate = 10 : 1) to obtain 1.0 g of the desired
compound.
Physical property: nD 1.4400 (14.3ºC).
Yield: 79%.

Claims

1. An agricultural and horticultural disease controller comprising as an active ingredient a 1,2,3-thiadiazole derivative represented by the general formula (1), or a salt thereof:
Figure imgf000072_0001
wherein R1 is ① a hydrogen atom, ② a (C1-C12)alkyl group, ③ a halo(C1-C12)alkyl group, ④ a (C2-C12)alkenyl group, ⑤ a halo(C2-C12)alkenyl group, ⑥ a (C2-C12)alkynyl group, ⑦ a halo(C2-C12)alkynyl group, ⑧ a (C3-Cβ)cycloalkyl group, ⑨ an unsubstituted phenyl group, 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, ⑪ a group represented by the formula:
Figure imgf000072_0002
(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), ⑫ a group represented by the formula:
Figure imgf000073_0001
(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; (C1-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), ⑬ a group represented by the formula:
Figure imgf000074_0001
(wherein R3, R4, R6 and R7 are as defined above, and n is an integer of 1 to 6), or ⑭ a group represented by the formula:
Figure imgf000075_0001
[wherein R3, R4 and n are as defined above, A is
Figure imgf000075_0002
(wherein R9 is a hydrogen atom, a (C1-C12)alkyl group or a halo(C1-C12)alkyl group).
Figure imgf000075_0003
{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
N-R11
(wherein R11 is a hydrogen atom, a (C1-C12)alkyl group or a halo(C1-C12)alkyl group)}, or
-N(R10)- (wherein R10 is as defined above), and R8 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; a
(C1-C12)alkoxy(C1-C12)alkyl group; a (C1-C12)alkylthio(C1-C12)alkyl group; a cyano(C1-C12)alkyl 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; 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; an unsubstituted 5- or 6-membered heterocyclic ring having one or more
heteroatoms which may be the same or different and are selected from the group consisting of oxygen atom, sulfur atom and nitrogen atom; or a substituted 5- or 6-membered heterocyclic ring having one or more
heteroatoms which may be the same or different and are selected from the group consisting of oxygen atom, sulfur atom and nitrogen atom, said substituted heterocyclic ring 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], and R2 is (i) a group represented by the formula:
-X-R12 [wherein X is an oxygen atom or a sulfur atom, and R12 is ① a hydrogen atom, ② a (C1-C12)alkyl group, ③ a halo(C1-C12)alkyl group, ④ a (C2-C20)alkenyl group, ⑤ a halo(C2-C20)alkenyl group, ⑥ a (C1-C12)alkynyl group, ⑦ a halo(C1-C12)alkynyl group, ⑧ a hydroxy(C1-C6)alkyl group, ⑨ a (C1-C12)alkoxy(C1-C12)alkyl group, ⑩ a (C1-C12)alkylthio(C1-C12)alkyl group, ⑪ a (C3-C6)cycloalkyl group, ⑫ a (C3-C6)cycloalkyl(C1-C12)alkyl group, ⑬ an unsubstituted phenyl group, ⑭ 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, (C2-C6)alkynyl groups, and (C1-C6)alkoxycarbonyl(C1-C6)alkyloxy groups ⑮ an unsubstituted phenyl (C1-C6)alkyl group, ⑯ 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, ⑰ a diphenyl(C1-C6)alkyl group, ⑱ a phenoxy(C1-C6)alkyl group, ⑲ a group represented by the formula:
-B-N(R13)R14
{wherein B is a (C1-C6)alkylene group which may be substituted by a (C1-C6)alkyl group or a phenyl group, and R13 and R14, which may be the same or different, are hydrogen atoms; formyl groups; (C1-C12)alkyl groups; (C2-C12)alkenyl groups; (C2-C12)alkynyl groups; (C2-C12)alkylcarbonyl 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 hydrogen atom, 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; phenylcarbonyl groups; unsubstituted 1,2,3-thiadiazol-5-yl-carbonyl groups; or substituted 1,2,3-thiadiazol-5-yl-carbonyl groups having a halogen atom or a (C1-C6)alkyl group as the
substituent; R13 and R14 being able to be taken together to represent a (C4-C5)alkylene group which may contain, between adjacent carbon atoms of the carbon chain, an oxygen atom, a sulfur atom or
N-R11
(wherein R11 is as defined above)}, © a group
represented by the formula:
-C(R15)=C(R16)-R17 (wherein R15 is a hydrogen atom or a (C1-C6)alkyl group, R16 is a hydrogen atom, a halogen atom or a (C1-C6)alkyl group, and R17 is a nitro group, a cyano group, a (C1-C6)alkylcarbonyl group, a (C1-C6)alkoxycarbonyl group, a phenylcarbonyl group, or a substituted aminocarbonyl group having one or more substituents which may be the same or different and are selected from the group consisting of hydrogen atom, (C1-C12)alkyl groups, unsubstituted phenyl group, and 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, cyano group, nitro group, (C1-C6)alkyl groups and (C1-C6)alkoxy groups, R15 and R17 being able to be taken together to represent a (C3- C6)alkylene group which may be substituted by one or more (C1-C6)alkyl group and/or an oxo group),
Figure imgf000080_0001
a group represented by the formula:
Figure imgf000080_0003
(wherein two R18's, which may be the same or different, are hydrogen atoms, (C1-C6)alkylcarbonyl groups,
phenylcarbonyl groups, unsubstituted 1,2,3-thiadiazol-5-yl-carbonyl groups, or substituted 1,2,3-thiadiazol-5-yl-carbonyl groups having a halogen atom or a (C1-C6)alkyl group as the substituent, and ℓ is zero or an integer of 1 to 12),
Figure imgf000080_0002
a 5- or 6-membered heterocyclic alkyl group having one or more heteroatoms which may be the same or different and are selected from the group consisting of oxygen atom, sulfur atom and nitrogen atom, tri(C1-C6)alkylsilyl(C1-C6)alkyl groups, or
Figure imgf000081_0001
1,2,3-thiadiazol-5-yl-carbonyloxy¬
(C1-C12)alkyl groups having on the ring a halogen atom or (C1-C6)alkyl group as the substituent], (ii) a group represented by the formula:
-O-N=C(R19)R20
[wherein R19 and R20, which may be the same or
different, are ① hydrogen atoms, ② halogen atoms, ③ nitro groups, ④ cyano groups, ⑤ (C1-C12)alkyl groups, ⑥ halo(C1-C12)alkyl groups, ⑦ (C3-C6)cycloalkyl
groups, ⑧ (C2-C12)alkenyl groups, ⑨ (C1-C12)alkynyl groups, ⑩ (C1-C12)alkoxy(C1-C12)alkyl groups, ⑪
(C1-C12)alkoxycarbonyl groups, ⑫ unsubstituted phenyl groups, ⑬ 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, ⑭ unsubstituted 5- or 6-membered heterocyclic rings having one or more heteroatoms which may be the same or different and are selected from the group consisting of oxygen atom, sulfur atom and
nitrogen atom, ⑮ substituted 5- or 6-membered heterocyclic rings having one or more heteroatoms which may be the same or different and are selected from the group consisting of oxygen atom, sulfur atom and nitrogen atom, said substituted heterocyclic ring 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, ⑯ groups represented by the formula;
-SR5
(wherein R5 is as defined above), or ⑰ groups
represented by the formula:
-N(R6)R7
(wherein R6 and R7 are as defined above), R19 and R20 being able to be taken together to represent ⑱ a
(C3-C6)cycloalkane ring or ⑲ a 5- or 6-membered
heterocyclic ring containing, between adjacent carbon atoms of the carbon chain, one or more hetero atoms which may be the same or different and are selected from the group consisting of oxygen atom, sulfur atom and nitrogen atom], (iii) a group represented by the
formula: -N (R21 )R22
[wherein R21 and R22, which may be the same or
different, are ① hydrogen atoms, ② (C1-C12)alkyl groups, ③ unsubstituted halo(C1-C12)alkyl groups, ④ substituted halo(C1-C12)alkyl groups having a hydroxyl group or a (C1-C6)alkoxy group as the substituent, ⑤ (C2-C12)alkenyl groups, ⑥ (C2-C12)alkynyl groups, ⑦ (C1-C12)alkoxy(C1-C6)alkyl groups, ⑧ (C1-C12)alkylthio(C1-C6)alkyl groups, ⑨ cyano(C1-C12)alkyl groups, ⑩ substituted cyano(C1-C6)alkyl groups having on the alkyl chain a substituent selected from the group consisting of (C1-C6)alkoxy groups, (C2-C6)alkenyloxy groups,
(C2-C6)alkynyloxy groups, (C1-C6)alkylthio groups,
(C1-C6)alkoxycarbonyl(C1-C6)alkoxy groups, (C1-C6)alkoxycarbonyl(C1-C6)alkylthio groups, phenoxy group, phenylthio group and pyrazol-1-yl group, ⑪ unsubstituted carbamoyl(C1-C6)alkyl groups, ⑫ substituted carbamoyl(C1-C6)alkyl groups having on the alkyl chain a substituent selected from the group consisting of
(C1-C6)alkoxy groups, (C2-C6)alkenyloxy groups,
(C2-C6)alkynyloxy groups, (C1-C6)alkylthio groups,
(C1-C6)alkoxycarbonyl(C1-C6)alkoxy groups, (C1-C6)alkoxycarbonyl(C1-C6)alkylthio groups, phenoxy group, phenylthio group and pyrazol-1-yl group, ⑬ hydroxy(C1-C6)alkyl groups, ⑭ di (C1-C6)alkoxy(C1-C6)alkyl groups in which the (C1-C6)alkoxy groups may be the same or different, ⑮ unsubstituted (C1-C6)alkoxycarbonyl(C1-C6)alkyl groups, ⑯ substituted (C1-C6)alkoxycarbonyl(C1-C6)alkyl groups having on the alkyl chain a substituent selected from the group consisting of
(C1-C6)alkyl groups, (C1-C6)alkoxy groups, (C2-C6)alkenyloxy groups, (C2-C6)alkynyloxy groups, (C1-C6)alkylthio groups, (C1-C6)alkoxycarbonyl(C1-C6)alkoxy groups, (C1-C6)alkoxycarbonyl(C1-C6)alkylthio groups, phenyl group, phenyl (C1-C6)alkyl group, phenoxy group, phenylthio group and pyrazol-1-yl group, ⑰ unsubstituted phenyl groups, ⑱ substituted phenyl groups having one or more substituents which may be the same or different and are selected from the group consisting of 1) halogen atoms, 2) nitro group, 3) cyano group, 4 ) (C1-C6)alkyl groups, 5) halo(C1-C6)alkyl groups, 6)
(C1-C6)alkoxy groups, 7) halo(C1-C6)alkoxy groups, 8) (C1-C6)alkylthio groups, 9) halo(C1-C6)alkylthio groups, 10) (C2-C6)alkenyl groups, 11) (C2-C6)alkynyl groups, 12) (C1-C6)alkylcarbonyl groups, 13) carboxyl group, 14) (C1-C12)alkoxycarbonyl groups, 15) methylenedioxy group, 16) phenyl group, 17) groups represented by the formula:
(wherein R23 and R24, 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; 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, cyano group, nitro group,
(C1-C6)alkyl groups and (C1-C6)alkoxy groups; or 5- or 6-membered heterocyclic rings containing, between adjacent carbon atoms of the carbon chain, one or more hetero atoms which may be the same or different and are selected from the group consisting of oxygen atom, sulfur atom and nitrogen atom), 18) groups represented by the formula:
-SO2-R25
(wherein R25 is a hydrogen atom, hydroxyl group, a
(C1-C12)alkyl group, a halo(C1-C6)alkyl group, an
unsubstituted phenyl group, a substituted phenyl group having as the substituent (s) one or more substituents which may be the same or different and are selected from the group consisting of halogen atoms, (C1-C6)alkyl groups and (C1-C6)alkoxy groups, unsubstituted 1,2,3-thiadiazol-5-yl group, or substituted 1,2,3-thiadiazol-5-yl groups having halogen atom, (C1-C6)alkyl group or (C1-C6)alkoxy group as the substituent), 19) groups represented by the formula:
Figure imgf000085_0001
(wherein R25 is as defined above), 20) groups represented by the formula:
Figure imgf000086_0001
(wherein R26 is a (C1-C6)alkyl group, a phenyl group or a phenyl (C1-C6)alkyl group), 21) groups represented by the formula:
-NH-SO2-R25 (wherein R25 is as defined above), 22) groups
represented by the formula:
Figure imgf000086_0002
(wherein R25 is as defined above), and 23) groups represented by the formula:
Figure imgf000086_0003
(wherein R26 is as defined above), ⑲ unsubstituted phenyl(C1-C6)alkyl groups, ⑳ 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,
Figure imgf000087_0001
naphthyl groups,
Figure imgf000087_0004
groups represented by the formula:
-(CH2)pNHR18
(wherein R18 is as defined above, and p is an integer of 1 to 12), or
Figure imgf000087_0002
5- or 6-membered heterocyclic rings having one or more hetero atoms which may be the same or different and are selected from the group consisting of oxygen atom, sulfur atom and nitrogen atom, R21 and R22 being able to be taken together to represent
Figure imgf000087_0003
a
(C4-C6)alkylene group which may contain an oxygen atom between adjacent carbon atoms of the carbon chain, or © a diaminomethylene group], (iv) a group represented by the formula:
-N(R6)NHR27
[wherein R6 is as defined above, and R27 is ① a
hydrogen atom, ② a (C1-C12)alkyl group, ③ a halo(C1-C12)alkyl group, ④ a (C2-C12)alkenyl group, ⑤ a (C2-C12)alkynyl group, ⑥ a (C1-C12)alkoxy(C1-C6)alkyl group, ⑦ a (C1-C12)alkylthio(C1-C6)alkyl group, ⑧ a cyano(C1-C12)alkyl group, ⑨ an unsubstituted phenyl group, 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, ⑪ an unsubstituted phenyl¬
(C1-C6)alkyl group, ⑫ 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, ⑬ a group represented by the formula:
Figure imgf000088_0001
(wherein R6 is as defined above), ⑭ a group represented by the formula:
Figure imgf000088_0002
(wherein R6 is as defined above), ⑮ a group represented by the formula:
Figure imgf000088_0003
(wherein R6 and R7 are as defined above), or ⑯ a group represented by the formula:
-SO2-R6
(wherein R6 is as defined above)], (v) a group
represented by the formula:
-NHN(R6)R27 [wherein R6 and R27 are as defined above, R6 and R27 being able to be taken together to represent
=C(R28)R29
(wherein R28 and R29, which may be the same or
different, are hydrogen atoms; (C1-C6)alkyl groups;
halo(C1-C6)alkyl groups; (C3-C6)cycloalkyl 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, (C1-C6)alkyl groups and (C1-C6)alkoxy groups; or 5- or 6-membered heterocyclic rings
containing, between adjacent carbon atoms of the carbon chain, one or more hetero atoms which may be the same or different and are selected from the group consisting of oxygen atom, sulfur atom and nitrogen atom; R28 and R29 being able to be taken together to represent a (C3-C6) cycloalkane ring or a 5- or 6-membered heterocyclic ring containing one or more sulfur atoms between adjacent carbon atoms of the carbon chain), or R6 and R27 being able to be taken together with the nitrogen atom to which they are bonded, to represent a 5- or 6-membered heterocyclic ring which may contain, between adjacent carbon atoms of the carbon chain, one or more hetero atoms which may be the same or different and are
selected from the group consisting of oxygen atom, sulfur atom and nitrogen atom], or (vi) a group
represented by the formula:
-N(R6)-OR30
(wherein R6 is as defined above, and R30 is a hydrogen atom, a (C1-C12)alkyl group, a halo(C1-C12)alkyl group, a (C3-C6)cycloalkyl group, a (C2-C12)alkenyl group, a (C2-C12)alkynyl group, 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, (C2-C6)alkenyl groups and (C2-C6)alkynyl groups).
2. An agricultural and horticultural disease controller according to claim 1, wherein R1 is ① a hydrogen atom, ② a (C1-C12)alkyl group, ③ a halo (C1-C12)alkyl group, ④ a (C2-C12)alkenyl group, ⑤ a halo(C2-C12)alkenyl group, ⑥ a (C2-C12)alkynyl group,
⑦ a halo(C2-C12)alkynyl group, ⑧ a (C3-C6)cycloalkyl group, ⑨ an unsubstituted phenyl group, 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, ⑪ a group represented by the formula:
Figure imgf000091_0001
(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
(C1-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), ⑫ a group represented by the formula:
Figure imgf000092_0001
(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), ⑬ a group represented by the formula:
Figure imgf000093_0001
(wherein R3, R4, R6 and R7 are as defined above, and n is an integer of 1 to 6), or
⑭ a group represented by the formula:
Figure imgf000093_0002
[wherein R3, R4 and n are as defined above, A is
Figure imgf000093_0003
(wherein R9 is a hydrogen atom, a (C1-C12)alkyl group or a halo(C1-C12)alkyl group),
Figure imgf000094_0001
{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
N-R11
(wherein R11 is a hydrogen atom, a ( C1-C12 ) alkyl group or a halo( C1-C12 ) alkyl group) } , or
-N( R10 ) -
(wherein R10 is as defined above), and R8 is a hydrogen atom; a (C1-C12)alkyl group; a halo(C1-C12)alkyl group; a (C1-C12)alkenyl group; a (C2-C12)alkynyl group; a ( C1-C12 ) alkoxy ( C1-C12 ) alkyl group; a ( C1-C12 ) alkylthio¬
(C1-C12)alkyl group; a cyano(C1-C12)alkyl 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; 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; an unsubstituted 5- or 6-membered heterocyclic ring having one or more
heteroatoms which may be the same or different and are selected from the group consisting of oxygen atom, sulfur atom and nitrogen atom; or a substituted 5- or 6-membered heterocyclic ring having one or more
heteroatoms which may be the same or different and are selected from the group consisting of oxygen atom, sulfur atom and nitrogen atom, said substituted heterocyclic ring 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], and R2 is (i) a group represented by the formula:
-X-R12
[wherein X is an oxygen atom or a sulfur atom, and R12 is ① a hydrogen atom, ② a (C1-C12)alkyl group, ③ a halo(C1-C12)alkyl group, ④ a (C2-C20)alkenyl group, ⑤ a halo(C2-C20)alkenyl group, ⑥ a (C2-C12)alkynyl group, ⑦ a halo(C2-C12)alkynyl group, ⑧ a hydroxy(C1-C6)alkyl group, ⑨ a (C1-C12)alkoxy(C1-C12)alkyl group, ⑩ a
(C1-C12)alkylthio(C1-C12)alkyl group, ⑪ a (C3-C6)cycloalkyl group, ⑫ a (C3-C6)cycloalkyl(C1-C12)alkyl group, ⑬ an unsubstituted phenyl group, ⑭ 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, (C2-C6)alkynyl groups and (C1-C6)alkoxycarbonyl(C1-C6)alkyloxy groups, ⑮ an unsubstituted phenyl (C1-C6)alkyl group, ⑯ 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, ⑰ a diphenyl(C1-C6)alkyl group,
⑱ a phenoxy(C1-C6)alkyl group, ⑲ a group represented by the formula:
-B-N(R13)R14 {wherein B is a (C1-C6)alkylene group which may be substituted by a (C1-C6)alkyl group or a phenyl group, and R13 and R14, which may be the same or different, are hydrogen atoms; formyl groups; (C1-C12)alkyl groups; (C2-C12)alkenyl groups; (C2-C12)alkynyl groups;
alkylcarbonyl 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 hydrogen atom, 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; phenylcarbonyl groups; unsubstituted 1,2,3-thiadiazol-5-yl-carbonyl groups; or substituted 1,2,3-thiadiazol-5-yl-carbonyl groups having a halogen atom or a (C1-C6)alkyl group as the
substituent; R13 and R14 being able to be taken together to represent a (C4-C5)alkylene group which may contain, between adjacent carbon atoms of the carbon chain, an oxygen atom, a sulfur atom or
N-R11
(wherein R11 is as defined above)}, ⑳ a group
represented by the formula:
-C(R15)=C(R16)-R17
(wherein R15 is a hydrogen atom or a (C1-C6)alkyl group, R16 is a hydrogen atom, a halogen atom or a (C1-C6)alkyl group, and R17 is a nitro group, a cyano group, a
(C1-C6)alkylcarbonyl group, a (C1-C6)alkoxycarbonyl group, a phenylcarbonyl group, or a substituted aminocarbonyl group having one or more substituents which may be the same or different and are selected from the group consisting of hydrogen atom, (C1-C12)alkyl groups, unsubstituted phenyl group, and 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, cyano group, nitro group, (C1-C6)alkyl groups and (C1-C6)alkoxy groups, R15 and R17 being able to be taken together to represent a (C3-C6)alkylene group which may be substituted by one or more (C1-C6)alkyl group and/or an oxo group),
Figure imgf000099_0004
a group represented by the formula:
Figure imgf000099_0005
(wherein two R18's, which may be the same or different, are hydrogen atoms, (C1-C6)alkylcarbonyl groups,
phenylcarbonyl groups, unsubstituted 1,2,3-thiadiazol-5-yl-carbonyl groups, or substituted 1,2,3-thiadiazol-5-yl-carbonyl groups having a halogen atom or a (C1-C6)alkyl group as the substituent, and ℓ is zero or an integer of 1 to 12), or
Figure imgf000099_0003
a 5- or 6-membered heterocyclic alkyl group having one or more heteroatoms which may be the same or different and are selected from the group consisting of oxygen atom, sulfur atom and
nitrogen atom,
Figure imgf000099_0002
tri(C1-C6)alkylsilyl(C1-C6)alkyl groups, or
Figure imgf000099_0001
1,2,3-thiadiazol-5-yl-carbonyloxy¬
(C1-C12)alkyl groups having on the ring a halogen atom or (C1-C6)alkyl group as the substituent].
3. An agricultural and horticultural disease controller according to claim 1, wherein R1 is ① a hydrogen atom, ② a (C1-C12)alkyl group, ③ a halo(C1-C12)alkyl group, ④ a (C2-C12)alkenyl group, ⑤ a halo(C2-C12)alkenyl group, ⑥ a (C2-C12)alkynyl group, ⑦ a halo(C2-C12)alkynyl group, ⑧ a (C3-C6)cycloalkyl group, ⑨ an unsubstituted phenyl group, 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, ⑪ a group represented by the formula:
Figure imgf000100_0001
(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), ⑫ a group represented by the formula:
Figure imgf000101_0001
(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), ⑬ a group represented by the formula:
Figure imgf000102_0003
(wherein R3, R4, R6 and R7 are as defined above, and n is an integer of 1 to 6), or ® a group represented by the formula:
Figure imgf000102_0002
[wherein R3, R4 and n are as defined above, A is
-
-
-
Figure imgf000102_0001
(wherein R9 is a hydrogen atom, a (C1-C12)alkyl group or a halo( C1-C12 )alkyl group) .
Figure imgf000103_0001
{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
N-R11
( wherein R11 is a hydrogen atom, a ( C1-C12 ) alkyl group or a halo (C1-C12 )alkyl group) } , or
-N(R10 ) - (wherein R10 is as defined above), and R8 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; a (C1-C12)alkoxy(C1-C12)alkyl group; a (C1-C12)alkylthio(C1-C12)alkyl group; a cyano(C1-C12)alkyl 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; 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; an unsubstituted 5- or 6-membered heterocyclic ring having one or more
heteroatoms which may be the same or different and are selected from the group consisting of oxygen atom, sulfur atom and nitrogen atom; or a substituted 5- or 6-membered heterocyclic ring having one or more
heteroatoms which may be the same or different and are selected from the group consisting of oxygen atom, sulfur atom and nitrogen atom, said substituted heterocyclic ring 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], and R2 is (iii) a group represented by the formula:
-N(R20)R22 [wherein R21 and R22, which may be the same or
different, are ① hydrogen atoms, ② (C1-C12)alkyl groups, ③ unsubstituted halo(C1-C12)alkyl groups, ④ substituted halo(C1-C12)alkyl groups having a hydroxyl group or a (C1-C6)alkoxy group as the substituent, ⑤ (C2-C12)alkenyl groups, ⑥ (C2-C12)alkynyl groups, ⑦
(C1-C12)alkoxy(C1-C6)alkyl groups, ⑧ (C1-C12)alkylthio(C1-C6)alkyl groups, ⑨ cyano(C1-C12)alkyl groups, ⑩ substituted cyano(C1-C6)alkyl groups having on the alkyl chain a substituent selected from the group consisting of (C1-C6)alkoxy groups, (C2-C6)alkenyloxy groups,
(C2-C6)alkynyloxy groups, (C1-C6)alkylthio groups,
(C1-C6)alkoxycarbonyl(C1-C6)alkoxy groups, (C1-C6)alkoxycarbonylfC1-C6)alkylthio groups, phenoxy group, phenylthio group and pyrazol-1-yl group, ⑪ unsubstituted carbamoyl(C1-C6)alkyl groups, ⑫ substituted carbamoyl(C1-C6)alkyl groups having on the alkyl chain a substituent selected from the group consisting of
(C1-C6)alkoxy groups, (C2-C6)alkenyloxy groups,
(C2-C6)alkynyloxy groups, (C1-C6)alkylthio groups,
(C1-C6)alkoxycarbonyl(C1-C6)alkoxy groups, (C1-C6) alkoxycarbonyl(C1-C6)alkylthio groups, phenoxy group, phenylthio group and pyrazol-1-yl group, ⑬ hydroxy(C1-C6)alkyl groups, ⑭ di(C1-C6)alkoxy(C1-C6)alkyl groups in which the (C1-C6)alkoxy groups may be the same or different, ⑮ unsubstituted (C1-C6)alkoxycarbonyl( C1-C6 ) alkyl groups , ⑯ substituted ( C1-C6 ) alkoxycarbonyl(C1-C6)alkyl groups having on the alkyl chain a substituent selected from the group consisting of
(C1-C6)alkyl groups, (C1-C6)alkoxy groups, (C2-C6)alkenyloxy groups, (C2-C6)alkynyloxy groups, (C1-C6)alkylthio groups, (C1-C6)alkoxycarbonyl(C1-C6)alkoxy groups, (C1-C6)alkoxycarbonyl(C1-C6)alkylthio groups, phenyl group, phenyl (C1-C6)alkyl group, phenoxy group, phenylthio group and pyrazol-1-yl group, ⑰
unsubstituted phenyl groups, ⑱ substituted phenyl groups having one or more substituents which may be the same or different and are selected from the group consisting of 1) halogen atoms, 2) nitro group, 3) cyano group, 4) (C1-C6)alkyl groups, 5) halo(C1-C6)alkyl groups, 6) (C1-C6)alkoxy groups, 7) halo(C1-C6)alkoxy groups, 8) (C1-C6)alkylthio groups, 9) halo(C1-C6)alkylthio groups, 10) (C2-C6)alkenyl groups, 11) (C2-C6)alkynyl groups, 12) (C1-C6)alkylcarbonyl groups,
13) carboxyl group, 14) (C1-C12)alkoxycarbonyl groups, 15) methylenedioxy group, 16) phenyl group, 17) groups represented by the formula:
Figure imgf000107_0001
(wherein R23 and R24, which may be the same or different, are hydrogen atoms; (C1-C12)alkyl groups; halo(C1-C12)alkyl groups; (C1-C12)alkenyl groups; (C2-C12)alkynyl 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, cyano group, nitro group, (C1-C6)alkyl groups and (C1-C6)alkoxy groups; or 5- or 6-membered heterocyclic rings containing, between adjacent carbon atoms of the carbon chain, one or more atoms which may be the same or different and are
selected from the group consisting of oxygen atom, sulfur atom and nitrogen atom), 18) groups represented by the formula:
-SO2-R25 (wherein R25 is a hydrogen atom, hydroxyl group, a (C1- C12)alkyl group, a halo(C1-C6)alkyl group, an
unsubstituted phenyl group, a substituted phenyl group having as the substituent (s) one or more substituents which may be the same or different and are selected from the group consisting of halogen atoms, (C1-C6)alkyl groups and (C1-C6)alkoxy groups, unsubstituted 1,2,3thiadiazol-5-yl group, or substituted 1,2,3-thiadiazol5-yl groups having halogen atom, (C1-C6)alkyl group or (C1-C6)alkoxy group as the substituent), 19) groups represented by the formula:
Figure imgf000108_0001
(wherein R25 is as defined above), 20) groups
represented by the formula:
Figure imgf000108_0002
(wherein R26 is a (C1-C6)alkyl group, a phenyl group or a phenyl (C1-C6)alkyl group, 21) groups represented by the formula:
-NH-SO2-R25
(wherein R25 is as defined above), 22) groups
represented by the formula:
Figure imgf000108_0003
(wherein R25 is as defined above), and 23) groups
represented by the formula:
Figure imgf000108_0004
(wherein R26 is as defined above), ⑲ unsubstituted phenyl(C1-C6)alkyl groups, ⑳ 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,
Figure imgf000109_0002
naphthyl groups,
Figure imgf000109_0001
groups represented by the formula:
-(CH2)pNHR18 (wherein R18 is as defined above, and p is an integer of 1 to 12), or
Figure imgf000109_0003
5- or 6-membered heterocyclic rings having one or more hetero atoms which may be the same or different and are selected from the group consisting of oxygen atom, sulfur atom and nitrogen atom, R21 and R22 being able to be taken together to represent
Figure imgf000109_0004
a
(C4-C6)alkylene group which may contain an oxygen atom between adjacent carbon atoms of the carbon chain, or
Figure imgf000109_0005
a diaminomethylene group].
4. An agricultural and horticultural disease controller according to claim 2, wherein R1 is ① a hydrogen atom, ② a (C1-C12)alkyl group, ③ a halo(C1-C12)alkyl group, ④ a (C2-C12)alkenyl group, ⑤ a halo(C2-C12)alkenyl group, ⑥ a (C2-C12)alkynyl group, ⑦ a halo(C2-C12)alkynyl group, ⑧ a (C3-C6)cycloalkyl group, ⑨ an unsubstituted phenyl group, or ⑩ a sub stituted 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, and R2 is (i) a group represented by the formula:
-X-R12 [wherein X is an oxygen atom or a sulfur atom, and R12 is ① a hydrogen atom, ② a (C1-C12)alkyl group, ③ a halo(C1-C12)alkyl group, ④ a (C2-C20)alkenyl group, ⑤ a halo(C2-C20)alkenyl group, ⑥ a (C2-C12)alkynyl group, ⑦ a halo(C2-C12)alkynyl group, ⑧ a hydroxy(C1-C6)alkyl group, ⑨ a (C1-C12)alkoxy(C1-C12)alkyl group, ⑪ a
(C3-C6)cycloalkyl group, ⑬ an unsubstituted phenyl group, ⑭ 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, and (C1-C6)alkoxycarbonyl(C1-C6)alkyloxy groups, ⑮ an unsubstituted phenyl(C1-C6)alkyl group, ⑯ 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, and halo(C1-C6)alkoxy groups,
⑰ a diphenyl(C1-C6)alkyl group, ⑱ a phenoxy(C1-C6)alkyl group, ⑲ a group represented by the formula:
-B-N(R13)R14
{wherein B is a (C1-C6)alkylene group which may be substituted by a (C1-C6)alkyl group or a phenyl group, and R13 and R14, which may be the same or different, are hydrogen atoms; formyl groups; (C1-C12)alkyl groups;
(C2-C12)alkenyl groups; (C2-C12)alkynyl groups;
(C1-C12)alkylcarbonyl 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 hydrogen atom, halogen atoms, nitro group, cyano group, (C1-C6)alkyl groups, halo(C1-C6)alkyl groups, (C1-C6)alkoxy groups, and halo(C1-C6)alkoxy groups; phenylcarbonyl groups;
unsubstituted 1,2,3-thiadiazol-5-yl-carbonyl groups; or substituted 1,2,3-thiadiazol-5-yl-carbonyl groups having a halogen atom or a (C1-C6)alkyl group as the
substituent;
Figure imgf000111_0002
a group represented by the formula:
Figure imgf000111_0001
(wherein two R18's, which may be the same or different, are hydrogen atoms, (C1-C6)alkylcarbonyl groups,
phenylcarbonyl groups, unsubstituted 1,2,3-thiadiazol-5-yl-carbonyl groups, or substituted 1,2,3-thiadiazol-5-yl-carbonyl groups having a halogen atom or a (C1-C6)alkyl group as the substituent, and ℓ is zero or an integer of 1 to 12), or
Figure imgf000112_0001
1,2,3-thiadiazol-5-yl-carbonyloxy(C1-C6)alkyl groups having on the ring a halogen atom or (C1-C6)alkyl group as the substituent].
5. An agricultural and horticultural disease controller according to claim 1, wherein R1 is ① a hydrogen atom, ② a (C1-C12)alkyl group, ③ a halo(C1-C12)alkyl group, ④ a (C2-C12)alkenyl group, ⑤ a halo(C2-C12)alkenyl group, ⑥ a (C2-C12)alkynyl group, ⑦ a halo(C2-C12)alkynyl group, ⑧ a (C3-C6)cycloalkyl group, ⑨ an unsubstituted phenyl group, or 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, and R2 is (ii) a group represented by the formula:
-O-N=C(R19)R20 [wherein R19 and R20, which may be the same or different, are ① hydrogen atoms, ② halogen atoms, ④ cyano groups, ⑤ (C1-C12)alkyl groups, ⑥ halo(C1-C12)alkyl groups, ⑦ (C3-C6)cycloalkyl groups, ⑧
(C2-C12)alkenyl groups, ⑨ (C2-C12)alkynyl groups, ⑩ (C1-C12)alkoxy(C1-C12)alkyl groups, ⑪ (C1-C12)alkoxycarbonyl groups, ⑫ unsubstituted phenyl
groups, ⑬ 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, ⑭ unsubstituted 5- or 6-membered heterocyclic rings having one or more heteroatoms which may be the same or different and are selected from the group consisting of oxygen atom, sulfur atom and
nitrogen atom, ⑮ substituted 5- or 6-membered heterocyclic rings having one or more heteroatoms which may be the same or different and are selected from the group consisting of oxygen atom, sulfur atom and nitrogen atom, said substituted heterocyclic ring 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, ⑯ groups represented by the formula;
-SR5
(wherein R5 is as defined above), or © groups
represented by the formula:
-N(R6)R7 (wherein R6 and R7 are as defined above), R19 and R20 being able to be taken together to represent ⑱ a
(C3-C6)cycloalkane ring or ⑲ a 5- or 6-membered
heterocyclic ring containing, between adjacent carbon atoms of the carbon chain, one or more hetero atoms which may be the same or different and are selected from the group consisting of oxygen atom, sulfur atom and nitrogen atom].
6. An agricultural and horticultural disease controller according to claim 4, wherein R1 is ① a hydrogen atom, ② a (C1-C12)alkyl group, ③ a halo(C1-C12)alkyl group, ④ a (C1-C12)alkenyl group, ⑤ a halo(C2-C12)alkenyl group, ⑥ a (C1-C12)alkynyl group, ⑦ a halo(C2-C12)alkynyl group, ⑧ a (C3-C6)cycloalkyl group, ⑨ an unsubstituted phenyl group, or 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, and R2 is (iii) a group represented by the formula:
-N(R21)R22
[wherein R21 and R22, which may be the same or
different, are ① hydrogen atoms, ② (C1-C12)alkyl groups, ③ unsubstituted halo(C1-C12)alkyl groups, ⑤ (C2-C12)alkenyl groups, ⑥ (C2-C12)alkynyl groups, ⑦ (C1-C12)alkoxy(C1-C6)alkyl groups, ⑧ (C1-C12)alkylthio(C1-C6)alkyl groups, ⑨ cyano(C1-C12)alkyl groups, ⑪ unsubstituted carbamoyl(C1-C6)alkyl groups, ⑬ hydroxy(C1-C6)alkyl groups, ⑮ unsubstituted (C1-C6)alkoxycarbonyl(C1-C6)alkyl groups, ⑰ unsubstituted phenyl groups, ⑱ substituted phenyl groups having one or more substituents which may be the same or different and are selected from the group consisting of 1) halogen atoms, 2) nitro group, 3) cyano group, 4) (C1-C6)alkyl groups, 5) halo(C1-C6)alkyl groups, 6) (C1-C6)alkoxy groups, 7) halo(C1-C6)alkoxy groups, 8) (C1-C6)alkylthio groups, 12) (C1-C6)alkylcarbonyl groups, 13) carboxyl group, 14) (C1-C12)alkoxycarbonyl groups, 15) methylenedioxy group, 16) phenyl group, 17) groups represented by the formula:
Figure imgf000116_0001
(wherein R23 and R24, which may be the same or different, are hydrogen atoms; (C1-C12)alkyl groups; halo(C1-C12)alkyl groups; (C1-C12)alkenyl groups; (C2-C12)alkynyl 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, cyano group, nitro group, (C1-C6)alkyl groups and (C1-C6)alkoxy groups; or 5- or 6-membered heterocyclic rings containing, between adjacent carbon atoms of the carbon chain, one or more atoms which may be the same or different and are
selected from the group consisting of oxygen atom, sulfur atom and nitrogen atom), 18) groups represented by the formula:
-SO2-R25 (wherein R25 is a hydrogen atom, hydroxyl group, a (C1-C6)alkyl group, a halo(C1-C6)alkyl group, an
unsubstituted phenyl group, a substituted phenyl group having as the substituent(s) one or more substituents which may be the same or different and are selected from the group consisting of halogen atoms, (C1-C6)alkyl groups and (C1-C6)alkoxy groups, unsubstituted 1,2,3-thiadiazol-5-yl group, or substituted 1,2,3-thiadiazol- 5-yl groups having halogen atom, (C1-C6)alkyl group or (C1-C6)alkoxy group as the substituent), 19) groups represented by the formula:
Figure imgf000117_0001
(wherein R25 is as defined above), 20) groups
represented by the formula:
Figure imgf000117_0002
(wherein R26 is a (C1-C6)alkyl group, a phenyl group or a phenyl (C1-C6)alkyl group), 21) groups represented by the formula:
-NH-SO2-R25
(wherein R25 is as defined above), 22) groups
represented by the formula:
Figure imgf000117_0003
(wherein R25 is as defined above), and 23) groups represented by the formula:
Figure imgf000117_0004
(wherein R26 is as defined above), ⑲ unsubstituted phenyl (C1-C6)alkyl groups, ⑳ 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, and halo(C1-C6)alkoxy groups,
Figure imgf000118_0001
naphthyl groups,
Figure imgf000118_0004
groups represented by the formula:
-(CH2)pNHR18 (wherein R18 is as defined above, and p is an integer of 1 to 12), or
Figure imgf000118_0003
5- or 6-membered heterocyclic rings having one or more atoms which may be the same or different and are selected from the group consisting of oxygen atom, sulfur atom and nitrogen atom, R21 and R22 being able to be taken together to represent
Figure imgf000118_0002
a
(C4-C6)alkylene group which may contain an oxygen atom between adjacent carbon atoms of the carbon chain, or ® a diaminomethylene group].
7. An agricultural and horticultural disease controller according to claim 1, wherein R1 is ① a hydrogen atom, ② a (C1-C12)alkyl group, ③ a halo(C1-C12)alkyl group, ④ a (C2-C12)alkenyl group, ⑤ a halo(C2-C12)alkenyl group, ⑥ a (C1-C12)alkynyl group, ⑦ a halo(C2-C12)alkynyl group, ⑧ a (C3-C6)cycloalkyl group, ⑨ an unsubstituted phenyl group, or ⑩ a sub stituted 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, and R2 is (iv) a group represented by the formula:
-N(R6)NHR27
[wherein R6 is as defined above, and R27 is φ a
hydrogen atom, ① a (C1-C12)alkyl group, ③ a halo(C1-C12)alkyl group, ④ a (C1-C12)alkenyl group, ⑤ a (C2-C12)alkynyl group, ⑧ a cyano(C1-C12)alkyl group, ⑨ an unsubstituted phenyl group, 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, and halo(C1-C6)alkoxy groups, ⑪ an unsubstituted phenyl (C1-C6)alkyl group, ⑫ 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 and halo(C1-C6)alkoxy groups, ⑬ a group represented by the formula:
Figure imgf000120_0001
(wherein R6 is as defined above), ⑭ a group represented by the formula:
Figure imgf000120_0002
(wherein R6 is as defined above), ⑮ a group represented by the formula:
Figure imgf000120_0003
(wherein R6 and R7 are as defined above), or ⑯ a group represented by the formula:
-SO2-R6
(wherein R6 is as defined above)].
8. An agricultural and horticultural disease controller according to claim 1, wherein R1 is ① a hydrogen atom, ② a (C1-C12)alkyl group, ③ a halo(C1-C12)alkyl group, ④ a (C2-C12)alkenyl group, ⑤ a halo(C2"Ci2)alkenyl group, ⑥ a (C1-C12)alkynyl group, ⑦ a halo(C1-C12)alkynyl group, ⑧ a (C3-C6)cycloalkyl group, ⑨ an unsubstituted phenyl group, or 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, and R2 is (v) a group represented by the formula:
-NHN(R6)R27 [wherein R6 is as defined above and R27 is ① a
hydrogen atom, ① a (C1-C12)alkyl group, ③ a halo(C1-C12)alkyl group, ④ a (C2-C12)alkenyl group, ⑤ a (C2-C12)alkynyl group, ⑧ a cyano(C1-C12)alkyl group, ⑨ an unsubstituted phenyl group, 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, and halo(C1-C6)alkoxy groups, ⑪ an unsubstituted phenyl (C1-C6)alkyl group, ⑫ 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 and halo(C1-C6)alkoxy groups, ⑬ a group represented by the formula:
Figure imgf000122_0001
(wherein R6 is as defined above), ⑭ a group represented by the formula:
Figure imgf000122_0002
(wherein R6 is as defined above), ⑮ a group represented by the formula:
Figure imgf000122_0003
(wherein R6 and R7 are as defined above), or ⑯ a group represented by the formula:
-SO2-R6
(wherein R6 is as defined above)], R6 and R27
being able to be taken together to represent
=C(R28)R29
(wherein R28 and R29, which may be the same or
different, are hydrogen atoms; (C1-C6)alkyl groups; halo(C1-C6)alkyl groups; (C3-C6)cycloalkyl 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, (C1-C6)alkyl groups and (C1-C6)alkoxy groups; or 5- or 6-membered heterocyclic rings
containing, between adjacent carbon atoms of the carbon chain, one or more hetero atoms which may be the same or different and are selected from the group consisting of oxygen atom, sulfur atom and nitrogen atom; R28 and R29 being able to be taken together to represent a (C3-C6)cycloalkane ring or a 5- or 6-membered heterocyclic ring containing one or more sulfur atoms between adjacent carbon atoms of the carbon chain), or R6 and R27 being able to be taken together with the nitrogen atom to which they are bonded, to represent a 5- or 6-membered heterocyclic ring which may contain, between adjacent carbon atoms of the carbon chain, one or more hetero atoms which may be the same or different and are
selected from the group consisting of oxygen atom, sulfur atom and nitrogen atom].
9. An agricultural and horticultural disease controller according to claim 1, wherein R1 is ① a hydrogen atom, ② a (C1-C12)alkyl group, ③ a halo(C1-C12)alkyl group, ④ a (C1-C12)alkenyl group, ⑤ a halo(C2-C12)alkenyl group, ⑥ a (C2-C12)alkynyl group, ⑦ a halo(C1-C12)alkynyl group, ⑧ a (C3-C6)cycloalkyl group, ⑨ an unsubstituted phenyl group, or ⑩ a sub stituted 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, and R2 is (vi) a group represented by the formula:
-N(R6)-OR30
(wherein R6 is as defined above, and R30 is a hydrogen atom, a (C1-C12)alkyl group, a halo(C1-C12)alkyl group, a (C3-C6)cycloalkyl group, a (C1-C12)alkenyl group, a (C2-C12)alkynyl group, 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, (C2-C6)alkenyl groups and (C2-C6)alkynyl groups).
10. A method for controlling plant diseases which comprises applying an agricultural and horticultural disease controller set forth in any of claims 1 to 9 in a dosage of 0.1 g to 10 kg (in terms of the active ingredient of the disease controller) per 10 ares for protecting useful crops against the diseases.
PCT/JP1996/000781 1995-03-31 1996-03-26 An agricultural and horticultural disease controller and a method for controlling the diseases WO1996029871A2 (en)

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