WO2001046165A2 - Composes organiques - Google Patents

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WO2001046165A2
WO2001046165A2 PCT/EP2000/012751 EP0012751W WO0146165A2 WO 2001046165 A2 WO2001046165 A2 WO 2001046165A2 EP 0012751 W EP0012751 W EP 0012751W WO 0146165 A2 WO0146165 A2 WO 0146165A2
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formula
alkyl
compounds
compound
london
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PCT/EP2000/012751
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WO2001046165A3 (fr
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Pierre Ducray
Jacques Bouvier
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Novartis Ag
Novartis-Erfindungen Verwaltungsgesellschaft M.B.H.
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Priority to AU20106/01A priority Critical patent/AU2010601A/en
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Publication of WO2001046165A3 publication Critical patent/WO2001046165A3/fr

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    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D275/00—Heterocyclic compounds containing 1,2-thiazole or hydrogenated 1,2-thiazole rings
    • C07D275/02—Heterocyclic compounds containing 1,2-thiazole or hydrogenated 1,2-thiazole rings not condensed with other rings
    • C07D275/03—Heterocyclic compounds containing 1,2-thiazole or hydrogenated 1,2-thiazole rings not condensed with other rings with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon 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
    • A01N43/02—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms
    • A01N43/04—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom
    • A01N43/06—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom five-membered rings
    • A01N43/10—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom five-membered rings with sulfur as the ring hetero atom
    • 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
    • A01N43/74—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 one nitrogen atom and either one oxygen atom or one sulfur atom in positions 1,3
    • A01N43/78—1,3-Thiazoles; Hydrogenated 1,3-thiazoles
    • 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
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P33/00—Antiparasitic agents
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D277/00—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings
    • C07D277/02—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings not condensed with other rings
    • C07D277/20—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
    • C07D277/32—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D277/56—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen
    • 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
    • C07D285/08—1,2,4-Thiadiazoles; Hydrogenated 1,2,4-thiadiazoles
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D333/00—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom
    • C07D333/02—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings
    • C07D333/04—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom
    • C07D333/26—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D333/38—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D409/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms
    • C07D409/02—Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing two hetero rings
    • C07D409/12—Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing two hetero rings linked by a chain containing hetero atoms as chain links
    • 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 new substituted aminoheterocyclylamides of formula wherein
  • Ri is hydrogen, halogen, CrC 6 -alkyl, d-C 6 -haloalkyl, d-C 6 -alkoxy, C ⁇ -C 6 -haloalkoxy, C Ce-alkylthio, CrC 6 -haloalkylthio, d-Ce-alkoxy-d-d-alkyl, d-C ⁇ -alkylthio-d-C ⁇ -alkyl, C 3 -C 8 - cycloalkyl or unsubstituted or mono- to penta-substituted phenyl, whereby the substituents are selected from the group comprising C C 6 -alkyl, d-C 6 -haloalkyl, d-C 6 -alkoxy, aryloxy, halogen, cyano and nitro, whereby if the number of substituents is greater than 1 , the substituents may be identical or different;
  • R 2 is hydrogen, d-C 6 -alkyl, d-C 6 -haloalkyl, Ci-Ce-alkoxy-CrCe-alkyl, C ⁇ -C 6 -alkylcarbonyl, C ⁇ -C 6 -alkylsulphonyl, Cs-Ca-cycloalkyl, -COOR 6 , -CONR 7 R 8 , -COR 6 , allyl, -CH 2 -O-R 6 ; or heteroaryl, arylcarbonyl, arylsulphonyl or aryl-d-C 6 -alkyl which are each either unsubstituted or substituted once or many times by substituents selected from the group comprising d-C 6 -alkyl, d-C 6 -haloalkyl, d-C 6 -alkoxy, halogen, cyano, hydroxy, amino and nitro, whereby if the number of substituents is greater than 1
  • R 3 and R 4 independently of one another, are hydrogen, d-C 6 -alkyl or together with the C-atom to which they are bonded, a C 3 -C 7 -cycloalkyl ring;
  • Q is a single bond, d-C 6 -alkylene, C 2 -C 6 -alkenylene, C 2 -C 6 -alkinylene or d-C 6 - alkylenoxy;
  • R 5 is aryl or heterocyclyl, each of which is either unsubstituted or substituted once or many times by substituents selected from the group comprising Ci-Ce-alkyl, d-C 6 -haloalkyl, d- C 6 -alkoxy, aryloxy, halogen, cyano, hydroxy, amino and nitro, whereby if the number of substituents is greater than 1 , the substituents may be identical or different.
  • R 6 is Ci-Ce-alkyl, phenyl or benzyl;
  • R 7 and R 8 independently of one another, are hydrogen or Ci-Ce-alkyl;
  • X 3 is O or S; whereby Xi is other than C(CN) if R 5 is phenyl that is either unsubstituted or substituted once to many times; the preparation thereof and the use thereof in the control of pests, and also pesticides containing at least one of these compounds.
  • aminoheterocyclylamides having pesticidal activity are described for example in DE 195 42 372.
  • the active ingredients specifically disclosed therein cannot always fulfil the requirements regarding potency and activity spectrum. There is therefore a need for active ingredients with improved pesticidal properties. It has now been found that the aminoheterocyclylamides of formula I have excellent pesticidal properties, especially against endoparasites.
  • Halogen - as a group perse and as structural element of other groups and compounds such as halogen-alkyl, halogen-alkylthio and halogen-alkoxy - is fluorine, chlorine, bromine or iodine, especially fluorine, chlorine or bromine, in particular fluorine or chlorine, especially chlorine.
  • carbon-containing groups and compounds contain 1 to 6, preferably 1 to 3, especially 1 or 2, carbon atoms.
  • Alkyl - as a group perse and as structural element of other groups and compounds such as phenylalkyl, halogen-alkyl, alkoxy, halogen-alkoxy, alkylthio and halogen-alkylthio - is, in each case with due consideration of the specific number of carbon atoms in the group or compound in question, either straight-chained, i.e. methyl, ethyl, propyl, butyl, pentyl or hexyl, or branched, e.g. isopropyl, isobutyl, sec-butyl, tert.-butyl, isopentyl, neopentyl or isohexyl.
  • Cycloalkyl is cyclopropyl, cyclobutyl, cyclopentyl or cyclohexyl, preferably cyclopropyl.
  • Alkenyl and alkinyl are straight-chained or branched and respectively contain two or preferably one unsaturated carbon-carbon bond(s). The double or triple bonds of these substituents are separated from the remaining part of compound I preferably by at least one saturated carbon atom. Allyl, methallyl, but-2-enyl, but-3-enyl, propargyl, but-2-inyl and but- 3-inyl may be mentioned by way of example.
  • Halogen-substituted carbon-containing groups and compounds such as haloalkyl, haloalkylthio, and haloalkoxy, may be partially halogenated or perhalogenated, whereby in the case of multiple halogenation, the halogen substituents may be identical or different.
  • haloalkyl - as a group perse and as structural element of other groups and compounds such as haloalkylthio and haloalkoxy - are methyl which is mono- to trisubstituted by fluorine, chlorine and/or bromine, such as CHF 2 or CF 3 ; ethyl which is mono- to pentasubstituted by fluorine, chlorine and/or bromine, such as CH 2 CF 3 , CF 2 CF 3 , CF 2 CCI 3 , CF 2 CHCI 2> CF 2 CHF 2) CF 2 CFCI 2 , CF 2 CHBr 2 , CF 2 CHCIF, CF 2 CHBrF or CCIFCHCIF; propyl or isopropyl, mono- to heptasubstituted by fluorine, chlorine and/or bromine, such as CH 2 CHBrCH 2 Br, CF 2 CHFCF 3 , CH 2 CF 2 CF 3) CF 2
  • Aryl - as a group per se and as a structural element of other groups and compounds, such as arylcarbonyl, arylsulphonyl or aryl-C ⁇ -C 6 -Alkyl, is phenyl or naphthyl, preferably phenyl.
  • Heteroaryl signifies an aromatic, five- or six-fold cyclic group, which contains at least one hetero atom from the group selected from oxygen, nitrogen and sulphur.
  • Typical representatives are for example pyridyl, pyrimidyl, pyrazinyl, pyridazinyl, pyrryl, imidazolyl, thienyl, pyrazolyl, isoxazolyl, oxazolyl and thiazolyl.
  • Heteroaryl signifies an aliphatic or aromatic, optionally benzo-condensed, five- or six-fold cyclic group, which contains at least one hetero atom from the group selected from oxygen, nitrogen and sulphur.
  • Typical representatives are, for example, dioxolanyl, pyrrolidinyl, piperidyl, morpholinyl, pyridyl, pyrryl, furyl, thienyl, imidazolyl, tetrahydrofuryl, tetrahydropyrryl, tetrahydropyranyl, dihydrofuryl, dihydropyranyl, benzofuryl, benzothienyl, isoxazolyl, oxazolyl, thiazolyl, oxazolinyl, oxazolidinyl, indolyl, imidazolinyl, imidazolidinyl, dioxanyl and pyrazolyl.
  • Preferred embodiments in the context of the compounds of formula I are: (1 ) A compound of formula I, in which Ri is halogen, Ci-Ce-alkyl, CrC 6 -haloaikyl, C 3 -C 8 - cycloalkyl or phenyl; preferably halogen, C C 4 -alkyl, CrC 4 -haloalkyl or C 3 -C 6 -cycloalkyl; more preferably halogen or d-d-haloalkyl; most preferably chlorine or trifluoromethyl;
  • R 2 is hydrogen, d-C 4 -alkyl, pyridyl or picolinyl; preferably hydrogen, d-C 2 -alkyl, pyridyl or picolinyl; most preferably hydrogen, pyridyl or picolinyl;
  • R 3 and R 4 independently of one another, are hydrogen, C ⁇ -C 4 -alkyl, or together with the C-atom to which they are bonded, a C 3 -C 5 -cyclo- alkyl ring; preferably hydrogen, d-C 2 -alkyl or together with the C-atom to which they are bonded, a C 3 -C 4 -cycloalkyl ring; most preferably hydrogen or together with the C-atom to which they are bonded, a cyclopropyl ring;
  • R 5 is aryl or heterocyclyl, each of which is unsubstituted or is substituted once or many times by substituents selected from the group comprising C C 4 -alkyl, d-C 4 -haloalkyl, C C 4 -alkoxy, halogen, cyano and nitro, whereby if the number of substituents is greater than 1 , the substituents may be identical or different; preferably phenyl which is unsubstituted or is substituted once or many times by substituents selected from the group comprising d-C 2 -alkyl, d-C 2 -alkoxy and halogen, whereby if the number of substituents is greater than 1 , the substituents may be identical or different; most preferably unsubstituted or mono- or disubstituted phenyl, whereby the substituents are selected from the group comprising methoxy and chlorine, whereby if the number of substituents
  • a compound of formula I wherein Ri is halogen, C ⁇ -C 6 -alkyl, C ⁇ -C 6 -haloalkyl, C 3 -C 8 - cycloalkyl or phenyl; R 2 is hydrogen, C C 4 -alkyl, pyridyl or picolinyl; R 3 and R independently of one another, are hydrogen, C C 4 -alkyl or, together with the C-atom to which they are bonded, a C 3 -C 5 -cycloalkyl ring; Q is a single bond, C ⁇ -C 4 -alkylene, C 2 -C 4 - alkenylene or C 2 -C 4 -alkinylene; R 5 is aryl or heterocyclyl, each of which is unsubstituted or substituted once or many times by substituents selected from the group comprising C ⁇ -C 4 - alkyl, d-G -haloalkyl, CrC 4 -alkoxy,
  • a compound of formula I wherein Ri is halogen, d-d-alkyl, C C 4 -haloalkyl or C 3 -C 6 - cycloalkyl ;
  • R 2 is hydrogen, d-R 2 -alkyl, pyridyl or picolinyl;
  • R 3 and R 4 are hydrogen, C ⁇ -C 2 - alkyl or, together with the C-atom to which they are bonded, a C 3 -C 4 -cycloalkyl ring;
  • Q is a single bond or CrC 2 -alkylene;
  • R 5 is phenyl which is unsubstituted or substituted once or many times by substituents selected from the group comprising C ⁇ -C 2 -alkyl, d-C 2 -alkoxy and halogen, whereby if the number of substituents is greater than 1 , the substituents may be identical or different; and
  • X 3 is O;
  • Ri is chlorine or trifluoromethyl
  • R 2 is hydrogen, pyridyl or picolinyl
  • R 3 and R 4 are hydrogen, or together with the C-atom to which they are bonded, a cyclopropyl ring
  • Q is a single bond or methylene
  • R 5 is unsubstituted or mono- or disubstituted phenyl, whereby the substituents are selected from the group comprising methoxy and chlorine, whereby if the number of substituents is greater than 1 , the substituents may be identical or different
  • X 3 is O.
  • a further object of the invention is the process for the preparation of the compounds of formula I and optionally the enantiomers thereof, for example characterised in that a compound of formula which is known or may be produced analogously to corresponding known compounds, and wherein R 1 ( R 2l Xi and X 2 are defined as given for formula I, is reacted with a compound of formula which is known or may be produced analogously to corresponding known compounds, in which X 3 , R 3 , R 4 , R 5 und Q are defined as for formula I, and Z is a leaving group, optionally in the presence of a basic catalyst, and if desired, a compound of formula I which is obtainable by this process or in another way, or an enantiomer thereof, may be converted into another compound of formula I or an enantiomer thereof, a mixture of enantiomers which is obtainable by this process is separated and the desired enantiomer isolated.
  • Suitable leaving groups are halogen, d-C 6 -alkoxy or hydroxy, preferably chlorine.
  • Suitable bases for facilitating the reaction are e.g. trialkylamines, basic heterocycles or phosphines.
  • Triethylamine, diisopropylethylamine, pyridine, 4-(N,N-dimethylamino)pyridine, quinuclidine, 1 ,5-diazabicyclo[5.4.0]undec-5-ene (DBU) and triphenylphosphine may be mentioned by way of example.
  • Diisopropylethylamine is preferred.
  • reaction partners can be reacted with one another as they are, i.e. without the addition of a solvent or diluent, e.g. in the melt. In most cases, however, the addition of an inert solvent or diluent, or a mixture thereof, is of advantage.
  • solvents or diluents are: aromatic, aliphatic and alicyclic hydrocarbons and halogenated hydrocarbons, such as benzene, toluene, xylene, mesitylene, tetraline, chlorobenzene, dichlorobenzene, bromobenzene, petroleum ether, hexane, cyclohexane, dichloromethane, trichloromethane, tetrachloromethane, dichloroethane, trichloroethene or tetrachloroethene; ethers, such as diethyl ether, dipropyl ether, diisopropyl ether, dibutyl ether, tert-butyl methyl ether, ethylene glycol monomethyl ether, ethylene glycol monoethyl ether, ethylene glycol dimethylether, dimethoxydiethylether, tetrahydrofuran or dio
  • bases used in excess such as triethylamine, pyridine, N-methylmorpholine, or N,N-diethylaniline, can also serve as solvents or diluents.
  • bases used in excess such as triethylamine, pyridine, N-methylmorpholine, or N,N-diethylaniline
  • halogenated hydrocarbons are used, especially dichloromethane.
  • the reaction is advantageously carried out in a temperature range of ca. -20°C to ca. +150°C, preferably from ca. -10°C to ca. +80°C, most preferably from ca. 0°C to ca. +40°C.
  • a compound of formula II is reacted at 0° to 120°, preferably 20°, in a halogenated hydrocarbon, preferably dichloromethane, with a compound of formula III.
  • the compounds I may be present in the form of one of the possible isomers or as a mixture thereof, e.g. depending on the number, absolute and relative configurations of the asymmetric carbon atoms as pure isomers, such as antipodes and/or diastereoisomers, or as isomeric mixtures, such as enantiomeric mixtures, e.g.
  • the invention relates to both the pure isomers and all the possible isomeric mixtures, and is to be understood as such hereinbefore and hereinafter, even if stereochemical details are not specifically mentioned in each case.
  • diastereoisomeric mixtures and racemic mixtures of compounds I which are obtained in accordance with the invention or in another way, may be separated in known manner into the pure diastereoisomers or racemates based on the physical-chemical differences of the constituents, for example by means of fractional crystallisation, distillation and/or chromatography.
  • Mixtures of enantiomers that are obtainable accordingly, such as racemates, may be broken down into the optical antipodes by known methods, for example by recrystallisation from an optically active solvent, by chromatography on chiral adsorbents, e.g. high-pressure liquid chromatography (HPLC) on acetyl cellulose, with the assistance of appropriate microorganisms, by cleavage with specific immobilised enzymes, through the formation of inclusion compounds, e.g. using chiral crown ethers, wherein only one enantiomer is compiexed.
  • HPLC high-pressure liquid chromatography
  • the starting materials and intermediates used are preferably those that lead to the compounds I described at the beginning as being especially useful.
  • the invention relates especially to the method of preparation described in the example.
  • Starting materials and intermediates which are new and are used according to the invention for the preparation of compounds I, as well as their usage and process for the preparation thereof, similarly form an object of the invention.
  • the compounds I according to the invention are notable for their broad activity spectrum and are valuable active ingredients for use in pest control, including in particular the control of endo- and ecto-parasites on animals, whilst being well-tolerated by warm-blooded animals, fish and plants,
  • ectoparasites are understood to be in particular insects, mites and ticks. These include insects of the order: Lepidoptera, Coleoptera, Homoptera, Heteroptera, Diptera, Thysanoptera, Orthoptera, Anoplura, Siphonaptera, Mallophaga, Thysanura, Isoptera, Psocoptera and Hymenoptera.
  • the ectoparasites which may be mentioned in particular are those which trouble humans or animals and carry pathogens, for example flies such as Musca domestica, Musca vetustissima, Musca autumnalis, Fannia canicularis, Sarcophaga camaria, Lucilia cuprina, Hypoderma bovis, Hypoderma lineat ⁇ m, Chrysomyia chloropyga, Dermatobia hominis, Cochliomyia hominivorax, Gasterophilus intestinalis, Oestrus ovis, Stomoxys calcitrans, Haematobia irritans and midges (Nematocera), such as Culicidae, Simuliidae, Psychodidae, but also blood-sucking parasites, for example fleas, such as Ctenocephalides felis and Ctenocephalides canis (cat and dog fleas), Xenopsylla cheopis, Pulex irritans, Dermat
  • Haematopota pluvialis such as Haematopota pluvialis, Tabanidea spp. such as Tabanus nigrovittatus, Chrysopsinae spp. such as Chrysops caecutiens, tsetse flies, such as species of Glossinia, biting insects, particularly cockroaches, such as Blatella germanica, Blatta orientalis, Periplaneta americana, mites, such as Dermanyssus gallinae, Sarcoptes scabiei, Psoroptes ovis and Psorergates spp. and last but not least ticks. The latter belong to the order Acarina.
  • ticks are, for example, Boophilus, Amblyomma, Anocentor, Dermacentor, Haemaphysalis, Hyalomma, Ixodes, Rhipicentor, Margaropus, Rhipicephalus, Argas, Otobius and Ornithodoros and the like, which preferably infest warm-blooded animals including farm animals, such as cattle, pigs, sheep and goats, poultry such as chickens, turkeys and geese, fur-bearing animals such as mink, foxes, chinchillas, rabbits and the like, as well as domestic animals such as cats and dogs, but also humans.
  • farm animals such as cattle, pigs, sheep and goats
  • poultry such as chickens, turkeys and geese
  • fur-bearing animals such as mink, foxes, chinchillas, rabbits and the like
  • domestic animals such as cats and dogs, but also humans.
  • Compounds I can also be used against hygiene pests, especially of the order Diptera of the families Sarcophagidae, Anophilidae and Culicidae; the orders Orthoptera, Dictyoptera (e.g. the family Blattidae) and Hymenoptera (e.g. the family Formicidae).
  • Compounds I also have sustainable efficacy on parasitic mites and insects of plants.
  • spider mites of the order Acarina they are effective against eggs, nymphs and adults of Tetranychidae (Tetranychus spp. and Panonychus spp.).
  • sucking insects of the order Homoptera especially against pests of the families Aphididae, Delphacidae, Cicadellidae, Psyllidae, Loccidae, Diaspididae and Eriophydidae (e.g. rust mite on citrus fruits); the orders Hemiptera, Heteroptera and Thysanoptera, and on the plant-eating insects of the orders Lepidoptera, Coleoptera, Diptera and Orthoptera
  • the compounds of formula I are therefore effective against all stages of development of sucking insects and eating insects on crops such as cereals, cotton, rice, maize, soya, potatoes, vegetables, fruit, tobacco, hops, citrus, avocados and other crops.
  • the compounds of formula I are also effective against plant nematodes of the species Meloidogyne, Heterodera, Pratylenchus, Ditylenchus, Radopholus, Rizoglyphus etc.
  • the compounds are effective against helminths, in which the endoparasitic nematodes may be the cause of serious diseases of mammals and poultry, e.g. sheep, pigs, goats, cattle, horses, donkeys, dogs, cats, guinea-pigs and exotic birds.
  • Typical nematodes of this indication are: Haemonchus, Trichostrongylus, Ostertagia, Nematodirus, Cooperia, Ascaris, Bunostonum, Oesophagostonum, Charbertia, Trichuris, Strongylus, Trichonema, Dictyocaulus, Capillana, Heterakis, Toxocara, Ascaridia, Oxyuris, Ancylostoma, Uncinaria, Toxascaris and Parascaris.
  • the particular advantage of the compounds of formula I is their efficacy against those parasites that are resistant towards active ingredients based on benzimidazole.
  • Parasites of the families Filariidae and Setariidae may be found in the internal cell tissue and in the organs, e.g. the heart, the blood vessels, the lymph vessels and the subcutaneous tissue.
  • a particularly notable parasite is the heartworm of the dog, Dirolilaria immitis.
  • the compounds of formula I are highly effective against these parasites.
  • the compounds of formula I are also especially suitable for the control of human pathogenic parasites.
  • typical representatives that appear in the digestive tract are those of the species Ancylostoma, Necator, Ascaris, Strongyloides, Trichinella, Capillaria, Trichuris and Enterobius.
  • the compounds of the present invention are also effective against parasites of the species Wuchereria, Brugia, Onchocerca and Loa from the family of Filariidae, which appear in the blood, in the tissue and in various organs, and also against Dracunculus and parasites of the species Strongyloides and Trichinella, which infect the gastrointestinal tract in particular.
  • the good pesticidal activity of the compounds of formula I corresponds to a mortality rate of at least 50-60% of the pests mentioned.
  • the compounds of formula I are notable for the exceptionally long duration of efficacy.
  • the activity of the compounds according to the invention and of the compositions containing them against animal pests may be substantially broadened and adapted to the prevailing circumstances by adding other insecticides and/or acaricides.
  • the additives in question may be for example representatives of the following classes of active ingredient: organophosphorus compounds, nitrophenols and derivatives, formamidines, ureas, carbamates, pyrethroids, chlorinated hydrocarbons, neonicotinoids and Bacillus thuringiensis preparations.
  • the compounds of formula I are preferably employed in unmodified form or preferably together with the adjuvants conventionally used in the art of formulation and may therefore be processed in a known manner to give, for example, emulsifiable concentrates, directly sprayable or dilutable solutions, dilute emulsions, wettable powders, soluble powders, dusts, granules or microencapsulations in polymeric substances.
  • the methods of application such as spraying, atomising, dusting, scattering or pouring, are selected in accordance with the intended objectives and the prevailing circumstances.
  • the formulation i.e. the agents, preparations or compositions containing the active ingredient of formula I, or combinations of these active ingredients with other agrochemical active ingredients, and optionally a solid or liquid adjuvant, are produced in a manner known perse, for example by intimately mixing and/or grinding the active ingredients with spreading compositions, for example with solvents, solid carriers, and optionally surface- active compounds (surfactants).
  • spreading compositions for example with solvents, solid carriers, and optionally surface- active compounds (surfactants).
  • the solvents in question may be: aromatic hydrocarbons, preferably fractions of alkylbenzenes having 8 to 12 carbon atoms, such as xylene mixtures or alkylated naphthalenes, aliphatic or cyclo-aliphatic hydrocarbons, such as cyclohexane, paraffins or tetrahydronaphthalene, alcohols, such as ethanol, propanol or butanol, glycols and their ethers and esters, such as propylene glycol, dipropylene glycol ether, ethylene glycol or ethylene glycol monomethyl or -ethyl ether, ketones, such as cyclohexanone, isophorone or diacetanol alcohol, strong polar solvents, such as N-methyl-2-pyrrolidone, dimethyl sulphoxide or dimethylformamide, or water, vegetable oils, such as rape, castor, coconut, or soybean oil, and also, if appropriate, silicone oils.
  • the solid carriers used for example for dusts and dispersible powders are normally natural mineral fillers such as calcite, talcum, kaolin, montmorillonite or attapulgite.
  • Suitable granulated adsorptive carriers are porous types, for example pumice, broken brick, sepiolite or bentonite, and suitable non-sorbent carriers are materials such as calcite or sand.
  • a great number of pregranulated materials of inorganic or organic nature can be used, e.g. especially dolomite or pulverised plant residues.
  • suitable surface-active compounds are non-ionic, cationic and/or anionic surfactants having good emulsifying, dispersing and wetting properties.
  • the surfactants are also understood to be surfactant mixtures.
  • Suitable anionic surfactants can be both so-called water-soluble soaps and water-soluble synthetic surfactant compounds.
  • Suitable soaps are the alkali metal salts, alkaline earth metal salts or unsubstituted or substituted ammonium salts of higher fatty acids (C ⁇ 0 -C 22 ), for example the sodium or potassium salts of oleic or stearic acid, or of natural fatty acid mixtures which can be obtained for example from coconut oil or tallow oil.
  • the fatty acid methyltaurine salts may also be mentioned as surfactants. More frequently, however, so-called synthetic surfactants are used, especially fatty sulphonates, fatty sulphates, sulphonated benzimidazole derivatives or alkylarylsulphonates.
  • the fatty sulphonates or sulphates are usually in the form of alkali metal salts, alkaline earth metal salts or unsubstituted or substituted ammoniums salts and have an alkyl radical with 8 to 22 carbon atoms, which also includes the alkyl moiety of acyl radicals, for example, the sodium or calcium salt of ligninsulphonic acid, of dodecylsulphate or of a mixture of fatty alcohol sulphates obtained from natural fatty acids.
  • These compounds also comprise the salts of sulphuric acid esters and sulphonic acids of fatty alcohol/ethylene oxide adducts.
  • the sulphonated benzimidazole derivatives preferably contain 2 sulphonic acid groups and one fatty acid radical containing 8 to 22 carbon atoms.
  • alkylarylsulphonates are the sodium, calcium or triethanolamine salts of dodecylbenzenesulphonic acid, dibutylnapthalenesulphonic acid, or of a naphthalenesulphonic acid / formaldehyde condensation product.
  • corresponding phosphates e.g. salts of the phosphoric acid ester of an adduct of p-nonylphenol with 4 to 14 moles of ethylene oxide or phospholipids.
  • Non-ionic surfactants are preferably polyglycol ether derivatives of aliphatic or cycloaliphatic alcohols, or saturated or unsaturated fatty acids and alkylphenols, said derivatives containing 3 to 30 glycol ether groups and 8 to 20 carbon atoms in the (aliphatic) hydrocarbon moiety and 6 to 18 carbon atoms in the alkyl moiety of the alkylphenols.
  • non-ionic surfactants are the water-soluble adducts of polyethylene oxide with polypropylene glycol, ethylenediamine polypropylene glycol and alkylpolypropylene glycol containing 1 to 10 carbon atoms in the alkyl chain, which adducts contain 20 to 250 ethylene glycol ether groups and 10 to 100 propylene glycol ether groups. These compounds usually contain 1 to 5 ethylene glycol units per propylene glycol unit.
  • non-ionic surfactants are nonylphenolpolyethoxyethanols, castor oil polyglycol ethers, polypropylene/polyethylene oxide adducts, tributylphenoxypolyethoxyethanol, polyethylene glycol and octylphenoxypolyethoxyethanol.
  • fatty acid esters of polyoxyethylene sorbitan such as polyoxyethylene sorbitan trioleate.
  • Cationic surfactants are preferably quaternary ammonium salts which have as N-substituent at least one Cs-C ⁇ alkyl radical and, as further substituents, lower - where appropriate - halogenated alkyl, benzyl or lower hydroxyalkyl radicals.
  • the salts preferably exist as halides, methyl sulphates or ethyl sulphates, preferably as stearyl trimethylammonium chloride or benzyl-di-(2-chloroethyl)-ethylammonium bromide.
  • Preferred application forms for usage on warm-blooded animals in the control of helminths include solutions, emulsions, suspensions (drenches), food additives, powders, tablets including effervescent tablets, boli, capsules, micro-capsules and pour-on formulations, whereby the physiological compatibility of the formulation excipients must be taken into consideration.
  • the binders for tablets and boli may be chemically modified polymeric natural substances that are soluble in water or in alcohol, such as starch, cellulose or protein derivatives (e.g. methyl cellulose, carboxymethyl cellulose, ethylhydroxyethyl cellulose, proteins such as zein, gelatin and the like), as well as synthetic polymers, such as polyvinyl alcohol, polyvinyl pyrrolidone etc.
  • the tablets also contain fillers (e.g. starch, microcrystalline cellulose, sugar, lactose etc.), glidants and disintegrants.
  • the carriers used are e.g. performance feeds, feed grain or protein concentrates.
  • Such feed concentrates or compositions may contain, apart from the active ingredients, also additives, vitamins, antibiotics, chemotherapeutics or other pesticides, primarily bacteriostats, fungistats, coccidiostats, or even hormone preparations, substances having anabolic action or substances which promote growth, which affect the quality of meat of animals for slaughter or which are beneficial to the organism in another way.
  • the compositions or the active ingredients of formula I contained therein are added directly to feed or to the drinking troughs, then the formulated feed or drink contains the active ingredients preferably in a concentration of ca.
  • compositions according to the invention may take place topically, perorally, parenterally or subcutaneously, the composition being present in the form of solutions, emulsions, suspensions, (drenches), powders, tablets, boli, capsules and pour-on formulations.
  • the compounds of formula I according to the invention may be used alone or in combination with other biocides. They may be combined with pesticides having the same sphere of activity e.g. to increase activity, or with substances having another sphere of activity e.g. to broaden the range of activity. It can also be sensible to add so-called repellents. If the range of activity is to be extended to endoparasites, e.g. wormers, the compounds of formula I are suitably combined with substances having endoparasitic properties. Of course, they can also be used in combination with antibacterial compositions. Since the compounds of formula I are adulticides, i.e.
  • Suitable partners in the mixture may be biocides, e.g. the insecticides and acaricides with a varying mechanism of activity, which are named in the following and have been known to the person skilled in the art for a long time, e.g. chitin synthesis inhibitors, growth regulators; active ingredients which act as juvenile hormones; active ingredients which act as adulticides; broad-band insecticides, broad-band acaricides and nematicides; and also the well known anthelminthics and insect- and/or acarid-deterring substances, said repellents or detachers.
  • Non-limitative examples of suitable insecticides and acaricides are:
  • Acrinathrin 8 Alphamethrin 12 Azinphos A 13. Azinphos M 45. Cyfluthrin 77. Fenoxycarb
  • Non-limitative examples of suitable anthelminthics are named in the following, a few representatives have insecticidal and acaricidal activity in addition to the anthelminthic activity, and are partly already in the above list.
  • Prazi ⁇ uantel 2-cvclohexvlcarbonvl-4-oxo-1.2.3.6.7.1 1 b-hexahvdro-4H-pvrazinof2,1- ⁇ jisoquinoline
  • Triclabendazole 5-chloro-6-(2,3-dichlorophenoxy)-2-methylthio-1 H-benzimidazole
  • Levamisol -(-)-2,3,5,6-tetrahydro-6-phenylimidazo[2,1 b]thiazo
  • (LIN) a preparation which contains insect-active nematodes, preferably Heterorhabditis bacteriophora and Heterorhabditis megidis, from The Pesticide Manual, 1 1 h Ed. (1997), The British Crop Protection Council, London, page 671 ; Steinernema feltiae, from The Pesticide Manual, 11 ,h Ed. (1997), The British Crop Protection Council, London, page 1 115 and Steinernema scapterisci, from The Pesticide Manual, 1 1 ,h Ed. (1997), The British Crop Protection Council, London, page 1 116;
  • LV a preparation which contains insect-active fungi, preferably Verticillium lecanii, from The Pesticide Manual, 11 ,h Ed. (1997), The British Crop Protection Council, London, page 1266; Beauveria brogniartii, from The Pesticide Manual, 11 th Ed. (1997), The British Crop Protection Council, London, page 85 and Beauveria bassiana, from The Pesticide Manual, 11 ,h Ed. (1997), The British Crop Protection Council, London, page 83;
  • LPI a preparation which contains insect-active viruses, preferably Neodipridon Sertifer NPV, from The Pesticide Manual, 11 th Ed. (1997), The British Crop Protection Council, London, page 1342; Mamestra brassicae NPV, from The Pesticide Manual, 1 1 ,h Ed. (1997), The British Crop Protection Council, London, page 759 and Cydia pomonella granulosis virus, from The Pesticide Manual, 11 lh Ed.
  • insect-active viruses preferably Neodipridon Sertifer NPV
  • a further essential aspect of the present invention relates to combination preparations for the control of parasites on warm-blooded animals, characterised in that they contain, in addition to a compound of formula I, at least one further active ingredient having the same or different sphere of activity and at least one physiologically acceptable carrier.
  • the present invention is not restricted to two-fold combinations.
  • the anthelminthic compositions according to the invention contain 0.1 to 99 % by weight, especially 0.1 to 95 % by weight of active ingredient of formula I, la or mixtures thereof, 99.9 to 1 % by weight, especially 99.8 to 5 % by weight of a solid or liquid admixture, including 0 to 25 % by weight, especially 0.1 to 25 % by weight of a surfactant.
  • the pour-on or spot-on method consists in applying the compound of formula I to a specific location of the skin or coat, advantageously to the neck or backbone of the animal. This takes place e.g. by applying a swab or spray of the pour-on or spot-on formulation to a relatively small area of the coat, from where the active substance is dispersed almost automatically over wide areas of the fur owing to the spreading nature of the components in the formulation and assisted by the animal's movements.
  • Pour-on or spot-on formulations suitably contain carriers, which promote rapid dispersement over the skin surface or in the coat of the host animal, and are generally regarded as spreading oils.
  • Suitable carriers are e.g. oily solutions; alcoholic and isopropanolic solutions such as solutions of 2-octyldodecanol or oleyl alcohol; solutions in esters of monocarboxylic acids, such as isopropyl myristate, isopropyl palmitate, lauric acid oxalate, oleic acid oleyl ester, oleic acid decyl ester, hexyl laurate, oleyl oleate, decyl oleate, capric acid esters of saturated fat alcohols of chain length C ⁇ 2 -C ⁇ 8 ; solutions of esters of dicarboxylic acids, such as dibutyl phthalate, diisopropyl isophthalate, adipic acid diisopropyl ester, di
  • glycols may be advantageous for a dispersing agent to be additionally present, such as one known from the pharmaceutical or cosmetic industry.
  • a dispersing agent such as one known from the pharmaceutical or cosmetic industry. Examples are 2-pyrrolidone, 2-(N-alkyl)pyrrolidone, acetone, polyethylene glycol and the ethers and esters thereof, propylene glycol or synthetic triglycerides.
  • the oily solutions include e.g. vegetable oils such as olive oil, groundnut oil, sesame oil, pine oil, linseed oil or castor oil.
  • the vegetable oils may also be present in epoxidised form. Paraffins and silicone oils may also be used.
  • a pour-on or spot-on formulation generally contains 1 to 20 % by weight of a compound of formula I, 0.1 to 50 % by weight of dispersing agent and 45 to 98.9 % by weight of solvent.
  • the pour-on or spot-on method is especially advantageous for use on herd animals such as cattle, horses, sheep or pigs, in which it is difficult or time-consuming to treat all the animals orally or by injection. Because of its simplicity, this method can of course also be used for all other animals, including individual domestic animals or pets, and is greatly favoured by the keepers of the animals, as it can often be carried out without the specialist presence of the veterinarian.
  • compositions may also contain further additives, such as stabilisers, anti-foaming agents, viscosity regulators, binding agents or tackifiers, as well as other active ingredients, in order to achieve special effects.
  • further additives such as stabilisers, anti-foaming agents, viscosity regulators, binding agents or tackifiers, as well as other active ingredients, in order to achieve special effects.
  • Anthelminthic compositions of this type which are used by the end user, similarly form a constituent of the present invention.
  • the active ingredients of formula I can be used in all of their steric configurations or in mixtures thereof.
  • the invention also includes a method of prophylactically protecting warm-blooded animals, especially productive livestock, domestic animals and pets, against parasitic helminths, which is characterised in that the active ingredients of formula I or the active ingredient formulations prepared therefrom are administered to the animals as an additive to the feed, or to the drinks or also in solid or liquid form, orally or by injection or parenterally.
  • the invention also includes the compounds of formula I according to the invention for usage in one of the said processes.
  • Emulsion concentrates a) b) c) active ingredient 25% 40% 50%
  • emulsions of any desired concentration may be prepared by diluting with water.
  • Emulsion concentrates a) b) c) active ingredient 10% 8% 60% octylphenol polyethylene glycol ether
  • emulsions of any desired concentration may be prepared by diluting with water.
  • Suspension concentrate active ingredient 40 % ethylene glycol 10 % nonylphenol polyethylene glycol ether
  • the finely ground active ingredient is intimately mixed with the admixtures.
  • a suspension concentrate is obtained, from which suspensions of any desired concentration can be prepared by diluting with water.
  • Powder mixtures that are dispersible in water aa)) b) c) active ingredient 25 % 50 % 75 %
  • the active ingredient is mixed thoroughly with the admixtures and ground well in an appropriate mill. Wettable powders are obtained, which may be diluted with water to form suspensions of any desired concentration.
  • the active ingredient is dissolved in methylene chloride, sprayed onto the carrier and the solvent subsequently concentrated by evaporation under vacuum. Granulates of this kind can be mixed with the fodder.
  • the active ingredient is mixed with the admixtures, ground and moistened with water. This mixture is extruded and then dried in a stream of air.
  • the finely ground active ingredient is evenly applied in a mixer to the kaolin which has been moistened with polyethylene glycol. In this way, dust-free coated granules are obtained.
  • Methyl cellulose is stirred into water. After the material has swollen, silicic acid is stirred in and the mixture homogeneously suspended. The active ingredient and the corn starch are mixed. The aqueous suspension is worked into this mixture and kneaded to a dough. The resulting mass is granulated through a 12 M sieve and dried.
  • active ingredient 0.1 -1.0 g groundnut oil ad 100 ml
  • active ingredient 0.1-1.0 g sesame oil ad 100 ml
  • Aqueous solubilisate (rapid release) 1 .
  • active ingredient 0.1-1.0 g polyethoxylated castor oil (40 ethylene oxide units) 10 g 1 ,2-propanediol 20 g benzyl alcohol 1 9 aqua ad inject. ad 100 ml
  • active ingredient 0.1 -1.0 g polyethoxylated sorbitan monooleate (20 ethylene oxide units) 8 g 4-hydroxymethyl-1 ,3-dioxolane (glycerol formal) 20 g benzyl alcohol 1 9 aqua ad inject. ad 100 ml
  • Preparation The active ingredient is dissolved in the solvents and the surfactant, and made up with water to the desired volume. Sterile filtration through an appropriate membrane filter of 0.22 mm pore size.
  • the aqueous systems may also preferably be used for oral and/or intraruminal application.
  • compositions may also contain further additives, such as stabilisers, e.g. where appropriate epoxidised vegetable oils (epoxidised coconut oil, rapeseed oil, or soybean oil); antifoams, typically silicone oil; preservatives; viscosity regulators; binders; and tackifiers, as well as fertilisers or other chemical agents to achieve special effects.
  • stabilisers e.g. where appropriate epoxidised vegetable oils (epoxidised coconut oil, rapeseed oil, or soybean oil); antifoams, typically silicone oil; preservatives; viscosity regulators; binders; and tackifiers, as well as fertilisers or other chemical agents to achieve special effects.
  • TJ > ⁇ — ⁇ zr v zr zr zr 0 TJ O TJ O TJ
  • TJ > v ⁇ X TJ 0 zr O CL — TJ > ⁇ v ⁇ X TJ 0 zr
  • Potted cotton plants at the 5-leaf stage are each sprayed with an acetonic/aqueous test solution containing 1 , 3, 12.5 or 50 ppm of the compound to be tested.
  • the plants After drying of the spray deposit, the plants are colonised with ca. 30 larvae (Li stage) of Spodoptera littoralis. Two plants are used per test compound and per test species. The test is carried out at ca. 24°C and at 60% relative humidity. Evaluations and intermediate evaluations on moribund animals, larvae and feeding damage are made after 24, 48 and 72 h.
  • the compounds of formula I achieve total mortality after 24 h at a concentration of active ingredient of only 3 ppm.
  • the primary leaves of bean plants (Phaseolus vulgaris) are covered 16 hours before the test with a mass-cultivated piece of leaf infested with T. urticae. After removing the piece of leaf, the plants that are infested with all stages of the mites are sprayed to drip point with a test solution containing either 0.2, 0.4 or 1.6 ppm of the compound to be tested.
  • the temperature in the greenhouse is ca. 25°C. After 7 days, an evaluation of the percentage of mobile stages (adults and nymphs) and of eggs is made under a microscope.
  • the compounds of formula I achieve total mortality at a concentration of active ingredient of 0.4 ppm.
  • a piece of sticky tape is attached horizontally to a PVC sheet, so that 10 fully engorged female ticks of Boophilus microplus (Biarra strain) can be adhered thereto by their backs, side by side, in a row.
  • 1 ⁇ l of a liquid is injected into each tick.
  • the liquid is a 1 :1 mixture of polyethylene glycol and acetone and it contains, dissolved therein, a certain amount of active ingredient chosen from 1 , 0.1 or 0.01 ⁇ g per tick.
  • Control animals are given an injection without active ingredient. After treatment, the animals are kept under normal conditions in an insectarium at ca. 28°C and at 80% relative humidity until oviposition takes place and the larvae have hatched from the eggs of the control animals.
  • the compounds of formula I attain an IR 90 of 0.1 ⁇ g.
  • 4x10 engorged female ticks of the OP-resistant BIARRA strain are adhered to a sticky strip and covered for 1 hour with a cotton-wool ball soaked in an emulsion or suspension of the test compound in concentrations of 500, 125, 31 and 8 ppm respectively. Evaluation takes place 28 days later based on mortality, oviposition and hatched larvae.
  • Pea seedlings that have been infested with all stages of development of the aphids are sprayed with a solution of active ingredient prepared from an emulsion concentrate, the solution containing 50, 25 or 12.5 ppm of active ingredient, as desired. After 3 days, an evaluation is made of more than 80% of aphids that are either dead or have fallen off. Only at this level of activity is a preparation classified as effective.
  • test substances are given orally to domestic cats in a gelatin capsule before or after feeding, the dose varying between 0.5 and 20 mg/kg.
  • each cat On days 1 , 3, 7 and 10 after treatment, each cat is exposed to 100 fleas (ca. 50 male and ca. 50 female), depending on the result of previous flea colonisation.
  • the efficacy (in % reduction in flea numbers) is based on the number of living fleas found after combing for 10 minutes one day after each new flea colonisation, whereby the efficacy in % corresponds to the arithmetic average of the number of living fleas on control animals minus the number of living fleas on the treated animals, divided by the arithmetic average of the number of living fleas on control animals and multiplied by 100.
  • the dying fleas found in the cat cages and by combing are collected, placed in an incubator at 28°C and 70% relative humidity and after 24 hours are tested for survival/mortality. If the majority of dying fleas die, the test compound is regarded as a flea adulticide, and if the majority survive, the test compound shows "knock-down" activity.
  • the compounds of formula I effect at least 80% mortality of the fleas.
  • test substances are given to domestic cats as spot-on treatment, the dose varying between 0.5 and 10 mg/kg.
  • dose varying between 0.5 and 10 mg/kg.
  • each cat is exposed to 100 fleas (ca. 50 male and ca. 50 female), depending on the result of previous flea colonisation.
  • the efficacy (in % reduction in flea numbers) is based on the number of living fleas found after combing for 10 minutes one day after each new flea colonisation, whereby the efficacy in % corresponds to the arithmetic average of the number of living fleas on control animals minus the number of living fleas on the treated animals, divided by the arithmetic average of the number of living fleas on control animals and multiplied by 100.
  • the dying fleas found in the cat cages and by combing are collected, placed in an incubator at 28°C and 70% relative humidity and after 24 hours are tested for survival/mortality. If the majority of dying fleas die, the test compound is regarded as a flea adulticide, and if the majority survive, the test compound shows "knock-down" activity.
  • test tubes After immersion for 10 minutes, and shaking for 2x10 seconds on a vortex mixer, the test tubes are blocked up with a tight wad of cotton wool and rotated. As soon as all the liquid has been soaked up by the cotton wool ball, it is pushed half-way into the test tube which is still being rotated, so that most of the liquid is squeezed out of the cotton-wool ball and flows into a Petri dish below.
  • the test tubes are then kept at room temperature in a room with daylight until evaluated. After 14 days, the test tubes are immersed in a beaker of boiling water. If the ticks begin to move in reaction to the heat, the test substance is inactive at the tested concentration, otherwise the ticks are regarded as dead and the test substances regarded as active at the tested concentration. All substances are tested in a concentration range of 0.1 to 100 ppm.
  • the compounds of formula I show good activity against Dermanyssus gallinae.
  • a sugar cube is treated with a solution of the test substance in such a way that the concentration of test substance in the sugar, after drying over night, is 250 ppm.
  • the cube treated in this way is placed on an aluminium dish with wet cotton wool and 10 adult Musca domestica of an OP-resistant strain, covered with a beaker and incubated at 25°C. The mortality rate is determined after 24 hours.

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Abstract

L'invention concerne des composés de formule générale (I), dans laquelle R1, R2, R3, R4, R5, X1, X2, X3 et Q ont les significations indiquées dans la revendication 1, et éventuellement les énantiomères de ces composés. Les principes actifs présentent des propriétés antiparasitaires avantageuses. Ces composés sont spécialement conçus pour le contrôle des parasites sur des animaux domestiques et sur le bétail.
PCT/EP2000/012751 1999-12-16 2000-12-14 Composes organiques WO2001046165A2 (fr)

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WO2023020964A1 (fr) 2021-08-17 2023-02-23 Bayer Aktiengesellschaft 1,2,4-thiadiazolyl nicotinamides substitués, leurs sels ou n-oxydes et leur utilisation comme substances actives herbicides
WO2023020962A1 (fr) 2021-08-17 2023-02-23 Bayer Aktiengesellschaft 1,2,4-thiadiazolyl nicotinamides substitués, leurs sels ou n-oxydes et leur utilisation comme substances actives herbicides
EP4238972A1 (fr) 2022-03-04 2023-09-06 Bayer AG 1,2,4-thiadiazolyl picolinamides substitués, leurs sels ou n-oxydes et leur utilisation en tant que substances actives herbicides
EP4238973A1 (fr) 2022-03-04 2023-09-06 Bayer AG 1,2,4-thiadiazolyl isonicotinamides substitués, leurs sels ou n-oxydes et leur utilisation en tant que substances actives herbicides
US12030875B2 (en) 2018-09-07 2024-07-09 PIC Therapeutics, Inc. EIF4E inhibitors and uses thereof

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WO2019185413A1 (fr) * 2018-03-27 2019-10-03 Basf Se Dérivés de cyclopropyle substitués pesticides
US12030875B2 (en) 2018-09-07 2024-07-09 PIC Therapeutics, Inc. EIF4E inhibitors and uses thereof
WO2022194843A1 (fr) 2021-03-19 2022-09-22 Bayer Aktiengesellschaft 1,2,4-thiadiazoles substitués, leurs sels et leur utilisation comme substances actives herbicides
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