WO2020178789A1 - Composés hétérocycliques condensés et leur utilisation en tant qu'agents de lutte contre les nuisibles - Google Patents

Composés hétérocycliques condensés et leur utilisation en tant qu'agents de lutte contre les nuisibles Download PDF

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Publication number
WO2020178789A1
WO2020178789A1 PCT/IB2020/051940 IB2020051940W WO2020178789A1 WO 2020178789 A1 WO2020178789 A1 WO 2020178789A1 IB 2020051940 W IB2020051940 W IB 2020051940W WO 2020178789 A1 WO2020178789 A1 WO 2020178789A1
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WIPO (PCT)
Prior art keywords
pyridin
trifluoromethyl
triazolo
ethylsulfonyl
phenyl
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PCT/IB2020/051940
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English (en)
Inventor
Gagan Kukreja
Ramdas Balu GADAKH
Vishalgiri G GOSWAMI
Hardik Vinodbhai MORI
Sachin Baban NARUTE
Jeevan Singh VERMA
Rohit Saxena
Jagadish Pabba
Vishwanath GADE
Kiran K C
Ravikumar Suryanarayana SARAGUR
Alexander G.M. KLAUSENER
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Pi Industries Ltd.
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Publication of WO2020178789A1 publication Critical patent/WO2020178789A1/fr

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    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D487/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00
    • C07D487/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00 in which the condensed system contains two hetero rings
    • C07D487/04—Ortho-condensed systems
    • 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
    • A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
    • 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
    • A01N43/90—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having two or more relevant hetero rings, condensed among themselves or with a common carbocyclic ring system
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/33—Heterocyclic compounds
    • A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/41—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with two or more ring hetero atoms, at least one of which being nitrogen, e.g. tetrazole
    • A61K31/4196—1,2,4-Triazoles
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/33—Heterocyclic compounds
    • A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/435—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom
    • A61K31/4353—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom ortho- or peri-condensed with heterocyclic ring systems
    • A61K31/437—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom ortho- or peri-condensed with heterocyclic ring systems the heterocyclic ring system containing a five-membered ring having nitrogen as a ring hetero atom, e.g. indolizine, beta-carboline

Definitions

  • the present invention relates to fused heterocyclic compounds. More particularly, the present invention relates to a fused heterocyclic compound of general formula (I) and to processes for preparation thereof. The present invention further relates to the use of fused heterocyclic compound of general formula (I) as pest control agent. BACKGROUND OF THE INVENTION:
  • the present invention provides a fused heterocyclic compound of general formula (I) or agriculturally acceptable salts, isomers/structural isomers, stereo-isomers, diastereomers, enantiomers, tautomers, metal complexes, polymorphs, or N-oxides thereof.
  • R 1 , R 3 , X, A, m and n are as defined in the detailed description.
  • the present invention provides a process for preparing the compound of general formula (I) or agriculturally acceptable salts thereof.
  • the present invention provides a composition for controlling or preventing invertebrate pests comprising a biologically effective amount of compound of general formula (I), agriculturally acceptable salts, isomers/structural isomers, stereo-isomers, diastereomers, enantiomers, tautomers, metal complexes, polymorphs, or N-oxides thereof and at least one additional component selected from the group consisting of surfactants and auxiliaries.
  • a composition for controlling or preventing invertebrate pests comprising a biologically effective amount of compound of general formula (I), agriculturally acceptable salts, isomers/structural isomers, stereo-isomers, diastereomers, enantiomers, tautomers, metal complexes, polymorphs, or N-oxides thereof and at least one additional component selected from the group consisting of surfactants and auxiliaries.
  • the composition additionally comprises at least one additional biologically active and compatible compound selected from fungicides, insecticides, nematicides, acaricides, biopesticides, herbicides, plant growth regulators, antibiotics, fertilizers or nutrients.
  • the present invention provides use of the compound of general formula (I), agriculturally acceptable salts, isomers/structural isomers, stereo-isomers, diastereomers, enantiomers, tautomers, metal complexes, polymorphs, or N-oxides thereof composition or combination thereof, for combating invertebrate pests in agricultural crops and/or horticultural crops or parasites on animals.
  • the present invention provides a method of combating invertebrate pests comprising contacting the invertebrate pests, their habitat, breeding ground, food supply, plant, seed, soil, area, material or environment in which the invertebrate pests are growing or may grow, or the materials, plants, seeds, soils, surfaces or spaces to be protected from pest attack or infestation with a biologically effective amount of compound of general formula (I) or agriculturally acceptable salts, isomers/structural isomers, stereo-isomers, diastereomers, enantiomers, tautomers, metal complexes, polymorphs, or N- oxides thereof composition or combination thereof.
  • a biologically effective amount of compound of general formula (I) or agriculturally acceptable salts isomers/structural isomers, stereo-isomers, diastereomers, enantiomers, tautomers, metal complexes, polymorphs, or N- oxides thereof composition or combination thereof.
  • transitional phrase“consisting essentially of” is used to define a composition or method that includes materials, steps, features, components or elements, in addition to those literally disclosed, provided that these additional materials, steps, features, components or elements do not materially affect the basic and novel characteristic(s) of the claimed invention.
  • the term“consisting essentially of” occupies a middle ground between“comprising” and“consisting of”.
  • “or” refers to an inclusive“or” and not to an exclusive “or”.
  • a condition A“or” B is satisfied by any one of the following: A is true (or present) and B is false (or not present), A is false (or not present) and B is true (or present), and both A and B are true (or present).
  • indefinite articles“a” and“an” preceding an element or component of the present invention are intended to be nonrestrictive regarding the number of instances (i.e. occurrences) of the element or component. Therefore“a” or“an” should be read to include one or at least one, and the singular word form of the element or component also includes the plural unless the number is obviously meant to be singular.
  • the term“invertebrate pest” includes arthropods, gastropods and nematodes of economic importance as pests.
  • the term“arthropod” includes insects, mites, spiders, scorpions, centipedes, millipedes, pill bugs and symphylans.
  • the term“gastropod” includes snails, slugs and other Stylommatophora.
  • the term“nematode” refers to a living organism of the Phylum Nematoda.
  • the term“helminths” includes roundworms, heartworms, phytophagous nematodes (Nematoda), flukes (Tematoda), acanthocephala and tapeworms (Cestoda).
  • agronomic refers to the production of field crops such as for food and fiber and includes the growth of corn, soybeans and other legumes, rice, cereal (e.g., wheat, oats, barley, rye, rice, maize), leafy vegetables (e.g., lettuce, cabbage, and other cole crops), fruiting vegetables (e.g., tomatoes, pepper, eggplant, crucifers and cucurbits), potatoes, sweet potatoes, grapes, cotton, tree fruits (e.g., pome, stone and citrus), small fruit (berries, cherries) and other specialty crops (e.g., canola, sunflower, olives).
  • wheat e.g., wheat, oats, barley, rye, rice, maize
  • leafy vegetables e.g., lettuce, cabbage, and other cole crops
  • fruiting vegetables e.g., tomatoes, pepper, eggplant, crucifers and cucurbits
  • potatoes e.g., sweet potatoes, grapes, cotton, tree fruits (e.g.
  • nonagronomic refers to other than field crops, such as horticultural crops (e.g., greenhouse, nursery or ornamental plants not grown in a field), residential, agricultural, commercial and industrial structures, turf (e.g., sod farm, pasture, golf course, lawn, sports field, etc.), wood products, stored product, agro-forestry and vegetation management, public health (i.e. human) and animal health (e.g., domesticated animals such as pets, livestock and poultry, undomesticated animals such as wildlife) applications.
  • horticultural crops e.g., greenhouse, nursery or ornamental plants not grown in a field
  • turf e.g., sod farm, pasture, golf course, lawn, sports field, etc.
  • wood products e.g., stored product, agro-forestry and vegetation management
  • public health i.e. human
  • animal health e.g., domesticated animals such as pets, livestock and poultry, undomesticated animals such as wildlife
  • Nonagronomic applications include protecting an animal from an invertebrate parasitic pest by administering a parasiticidally effective (i.e. biologically effective) amount of a compound of the present invention, typically in the form of a composition formulated for veterinary use, to the animal to be protected.
  • a parasiticidally effective (i.e. biologically effective) amount of a compound of the present invention typically in the form of a composition formulated for veterinary use, to the animal to be protected.
  • parasiticidal i.e. biologically effective
  • Parasiticidally refers to observable effects on an invertebrate parasite pest to provide protection of an animal from the pest. Parasiticidal effects typically relate to diminishing the occurrence or activity of the target invertebrate parasitic pest.
  • Such effects on the pest include necrosis, death, retarded growth, diminished mobility or lessened ability to remain on or in the host animal, reduced feeding and inhibition of reproduction.
  • These effects on invertebrate parasite pests provide control (including prevention, reduction or elimination) of parasitic infestation or infection of the animal.
  • the compounds of the present disclosure may be present either in pure form or as mixtures of different possible isomeric forms such as stereoisomers or constitutional isomers.
  • the various stereoisomers include enantiomers, diastereomers, chiral isomers, atropisomers, conformers, rotamers, tautomers, optical isomers, polymorphs, and geometric isomers. Any desired mixtures of these isomers fall within the scope of the claims of the present disclosure.
  • one stereoisomer may be more active and/or may exhibit beneficial effects when enriched relative to the other isomer(s) or when separated from the other isomer(s). Additionally, the person skilled in the art knows processes or methods or technology to separate, enrich, and/or to selectively prepare said isomers.
  • aliphatic compound/s or“aliphatic group/s” used herein is an organic compound/s whose carbon atoms are linked in straight chains, branched chains, or non-aromatic rings.
  • alkyl used either alone or in compound words such as“alkylthio” or“haloalkyl” or -N(alkyl) or alkylcarbonylalkyl or alkylsuphonylamino includes straight-chain or branched C 1 to C 24 alkyl, preferably C 1 to C 15 alkyl, more preferably C 1 to C 10 alkyl, most preferably C 1 to C 6 alkyl.
  • alkyl include methyl, ethyl, propyl, 1-methylethyl, butyl, 1-methylpropyl, 2-methylpropyl, 1,1-dimethylethyl, pentyl, 1-methylbutyl, 2-methylbutyl, 3-methylbutyl, 2,2-dimethylpropyl, 1- ethylpropyl, hexyl, 1,1-dimethylpropyl, 1,2-dimethylpropyl, 1-methylpentyl, 2-methylpentyl, 3- methylpentyl, 4-methylpentyl, 1,1-dimethylbutyl, 1,2-dimethylbutyl, 1,3-dimethylbutyl, 2,2- dimethylbutyl, 2,3-dimethylbutyl, 3,3-dimethylbutyl, 1-ethylbutyl, 2-ethylbutyl, 1,1,2-trimethylpropyl, 1,2,2-trimethylpropyl, 1-ethyl-1-methylpropyl and
  • the alkyl is at the end of a composite substituent, as, for example, in alkylcycloalkyl
  • the part of the composite substituent at the start for example the cycloalkyl
  • other radicals for example alkenyl, alkynyl, hydroxyl, halogen, carbonyl, carbonyloxy and the like, are at the end.
  • alkenyl used either alone or in compound words includes straight-chain or branched C2 to C24 alkenes, preferably C2 to C15 alkenes, more preferably C 2 to C 10 alkenes, most preferably C2 to C 6 alkenes.
  • alkenes include ethenyl, 1-propenyl, 2-propenyl, 1-methylethenyl, 1-butenyl, 2-butenyl, 3-butenyl, 1-methyl-1-propenyl, 2-methyl-l-propenyl, l-methyl-2 -propenyl, 2-methyl-2- propenyl, 1-pentenyl, 2-pentenyl, 3-pentenyl, 4-pentenyl, 1-methyl-1-butenyl, 2-methyl-1-butenyl, 3- methyl-1-butenyl, l-methyl-2-butenyl, 2-methyl-2-butenyl, 3-methyl-2-butenyl, l-methyl-3-butenyl, 2- methyl-3-butenyl, 3-methyl-3-butenyl, 1,1-dimethyl-2-propenyl, 1,2-dimethyl-1-propenyl, 1,2-dimethyl-2 -propenyl, 1-ethyl-1-propenyl,
  • alkynyl used either alone or in compound words includes straight-chain or branched C 2 to C 24 alkynes, preferably C 2 to C 15 alkynes, more preferably C 2 to C 10 alkynes, most preferably C 2 to C 6 alkynes.
  • Non-limiting examples of alkynes include ethynyl, 1-propynyl, 2-propynyl, 1-butynyl, 2- butynyl, 3-butynyl, 1-methyl-2-propynyl, 1-pentynyl, 2-pentynyl, 3-pentynyl, 4-pentynyl, l-methyl-2- butynyl, l-methyl-3-butynyl, 2-methyl-3-butynyl, 3-methyl-l-butynyl, 1,1-dimethyl-2-propynyl, 1-ethyl - 2-propynyl, 1-hexynyl, 2-hexynyl, 3-hexynyl, 4-hexynyl, 5-hexynyl, 1-methyl-2-pentynyl, l-methyl-3- pentynyl, 1-methyl-4-pentynyl, 2-methyl-3-pentynyl, 2-
  • alkynyl as a part of a composite substituent, for example haloalkynyl etc., unless specifically defined elsewhere.
  • alkynyl can also include moieties comprised of multiple triple bonds such as 2,5-hexadiynyl.
  • cycloalkyl means alkyl closed to form a ring. Non-limiting examples include but are not limited to cyclopropyl, cyclopentyl and cyclohexyl. This definition also applies to cycloalkyl as a part of a composite substituent, for example cycloalkylalkyl etc., unless specifically defined elsewhere.
  • cycloalkenyl means alkenyl closed to form a ring including monocyclic, partially unsaturated hydrocarbyl groups. Non-limiting examples include but are not limited to cyclopropenyl, cyclopentenyl and cyclohexenyl. This definition also applies to cycloalkenyl as a part of a composite substituent, for example cycloalkenylalkyl etc., unless specifically defined elsewhere.
  • cycloalkynyl means alkynyl closed to form a ring including monocyclic, partially unsaturated groups. Non-limiting examples include but are not limited to cyclopropynyl, cyclopentynyl and cyclohexynyl. This definition also applies to cycloalkynyl as a part of a composite substituent, for example cycloalkynylalkyl etc., unless specifically defined elsewhere.
  • cycloalkoxy “cycloalkenyloxy” and the like are defined analogously.
  • Non limiting examples of cycloalkoxy include cyclopropyloxy, cyclopentyloxy and cyclohexyloxy. This definition also applies to cycloalkoxy as a part of a composite substituent, for example cycloalkoxy alkyl etc., unless specifically defined elsewhere.
  • haloalkyl include chloromethyl, bromomethyl, dichloromethyl, trichloromethyl, fluoromethyl, difluoromethyl, trifluoromethyl, chlorofluoromethyl, dichlorofluoromethyl, chlorodifluoromethyl, 1-chloroethyl, 1-bromoethyl, 1-fluoroethyl, 2-fluoroethyl, 2,2-difluoroethyl, 2,2,2- trifluoroethyl, 2-chloro-2-fluoroethyl, 2-chloro-2,2-difluoroethyl, 2,2-dichloro-2-fluoroethyl, 2,2,2- trichloroethyl, pentafluoroethyl, 1,1-dichloro-2,2,2-trifluoroethyl, and 1,1,1-trifluoroprop-2-yl. This definition also applies to haloalkyl as a
  • haloalkenyl “haloalkynyl” are defined analogously except that, instead of alkyl groups, alkenyl and alkynyl groups are present as a part of the substituent.
  • haloalkoxy means straight-chain or branched alkoxy groups where some or all of the hydrogen atoms in these groups may be replaced by halogen atoms as specified above.
  • Non-limiting examples of haloalkoxy include chloromethoxy, bromomethoxy, dichloromethoxy, trichloromethoxy, fluoromethoxy, difluoromethoxy, trifluoromethoxy, chlorofluoromethoxy, dichlorofluoromethoxy, chlorodifluoromethoxy, 1-chloroethoxy, 1-bromoethoxy, 1-fluoroethoxy, 2-fluoroethoxy, 2,2- difluoroethoxy, 2,2,2-trifluoroethoxy, 2-chloro-2-fluoroethoxy, 2-chloro-2,2-difluoroethoxy, 2,2-dichloro- 2-fluoroethoxy, 2,2,2-trichloroethoxy, pentafluoroethoxy and l,l,
  • haloalkylthio means straight-chain or branched alkylthio groups where some or all of the hydrogen atoms in these groups may be replaced by halogen atoms as specified above.
  • Non-limiting examples of haloalkylthio include chloromethylthio, bromomethylthio, dichloromethylthio, trichloromethylthio, fluoromethylthio, difluoromethylthio, trifluoromethylthio, chlorofluoromethylthio, dichlorofluoromethylthio, chlorodifluoromethylthio, 1-chloroethylthio, 1-bromoethylthio, 1- fluoroethylthio, 2-fluoroethylthio, 2,2-difluoroethylthio, 2,2,2-trifluoroethylthio, 2-chloro-2- fluoroethylthio, 2-chloro-2,2-difluoroethylthio,
  • haloalkylthio as a part of a composite substituent, for example haloalkylthioalkyl etc., unless specifically defined elsewhere.
  • Non-limiting examples of“haloalkylsulfinyl” include CF 3 S(O), CCl 3 S(O), CF 3 CH 2 S(O) and CF 3 CF 2 S(O).
  • Examples of“haloalkylsulfonyl” include CF 3 S(O) 2 , CCl 3 S(O) 2 , CF 3 CH 2 S(O) 2 and CF 3 CF 2 S(O) 2 .
  • hydroxy means–OH
  • Amino means–NRR, wherein R can be H or any possible substituent such as alkyl.
  • Carbonyl means -C(O)-
  • carbonyloxy means -OC(O)-
  • sulfinyl means SO
  • sulfonyl means S(O) 2 .
  • alkoxy used either alone or in compound words included C 1 to C 24 alkoxy, preferably C 1 to C 15 alkoxy, more preferably C 1 to C 10 alkoxy, most preferably C 1 to C 6 alkoxy.
  • alkoxy include methoxy, ethoxy, propoxy, 1-methylethoxy, butoxy, 1-methylpropoxy, 2-methylpropoxy, 1,1- dimethylethoxy, pentoxy, 1-methylbutoxy, 2-methylbutoxy, 3-methylbutoxy, 2,2-dimethylpropoxy, 1- ethylpropoxy, hexoxy, 1,1-dimethylpropoxy, 1,2-dimethylpropoxy, 1-methylpentoxy, 2-methylpentoxy, 3-methylpentoxy, 4-methylpentoxy, 1,1-dimethylbutoxy, 1,2-dimethylbutoxy, 1,3-dimethylbutoxy, 2,2- dimethylbutoxy, 2,3-dimethylbutoxy, 3,3-dimethylbutoxy, 1-ethylbutoxy, 2-ethylbutoxy, 1,
  • Alkoxyalkyl denotes alkoxy substitution on alkyl.
  • Non-limiting examples of“alkoxyalkyl” include CH 3 OCH 2 , CH 3 OCH 2 CH 2 , CH 3 CH 2 OCH 2 , CH 3 CH 2 CH 2 CH 2 OCH 2 and CH 3 CH 2 OCH 2 CH 2 .
  • alkoxyalkoxy denotes alkoxy substitution on alkoxy.
  • alkylthio includes branched or straight-chain alkylthio moieties such as methylthio, ethylthio, propylthio, 1-methylethylthio, butylthio, 1-methylpropylthio, 2-methylpropylthio, 1,1-dimethylethylthio, pentylthio, 1-methylbutylthio, 2-methylbutylthio, 3-methylbutylthio, 2,2-dimethylpropylthio, 1- ethylpropylthio, hexylthio, 1,1-dimethylpropylthio, 1,2-dimethylpropylthio, 1-methylpentylthio, 2- methylpentylthio, 3-methylpentylthio, 4-methylpentylthio, 1,1-dimethylbutylthio, 1,2-dimethylbutylthio, 1,3-dimethylbutylthio, 2,2-dimethylbutyl
  • Halocycloalkyl, halocycloalkenyl, alkylcycloalkyl, cycloalkylalkyl, cycloalkoxyalkyl, alkylsulfinylalkyl, alkylsulfonylalkyl, haloalkylcarbonyl, cycloalkylcarbonyl, haloalkoxylalkyl, and the like, are defined analogously to the above examples.
  • alkylthioalkyl denotes alkylthio substitution on alkyl.
  • Representative examples of “alkylthioalkyl” include -CH 2 SCH 2 , -CH 2 SCH 2 CH 2 , CH 3 CH 2 SCH 2 , CH 3 CH 2 CH 2 CH 2 SCH 2 and CH 3 CH 2 SCH 2 CH 2 .
  • Alkylthioalkoxy denotes alkylthio substitution on alkoxy.
  • cycloalkylalkylamino denotes cycloalkyl substitution on alkyl amino.
  • alkoxyalkoxyalkyl alkylaminoalkyl, dialkylaminoalkyl, cycloalkylaminoalkyl, cycloalkylaminocarbonyl and the like, are defined analogously to “alkylthioalkyl” or cycloalkylalkylamino.
  • alkoxycarbonyl is an alkoxy group bonded to a skeleton via a carbonyl group (-CO-). This definition also applies to alkoxycarbonyl as a part of a composite substituent, for example cycloalkylalkoxycarbonyl and the like, unless specifically defined elsewhere.
  • alkoxycarbonylalkylamino denotes alkoxy carbonyl substitution on alkyl amino.
  • Alkylcarbonylalkylamino denotes alkyl carbonyl substitution on alkyl amino.
  • alkylthioalkoxycarbonyl, cycloalkylalkylaminoalkyl and the like are defined analogously.
  • Non-limiting examples of“alkylsulfinyl” include but are not limited to methylsulphinyl, ethylsulphinyl, propylsulphinyl, 1-methylethylsulphinyl, butylsulphinyl, 1-methylpropylsulphinyl, 2- methylpropylsulphinyl, 1,1-dimethylethylsulphinyl, pentylsulphinyl, 1-methylbutylsulphinyl, 2- methylbutylsulphinyl, 3-methylbutylsulphinyl, 2,2-dimethylpropylsulphinyl, 1-ethylpropylsulphinyl, hexylsulphinyl, 1,1-dimethylpropylsulphinyl, 1,2-dimethylpropylsulphinyl, 1-methylpentylsulphinyl, 2- methylpentylsulphinyl, 3-methylpentyls
  • arylsulfinyl includes Ar-S(O), wherein Ar can be any carbocyle or heterocylcle. This definition also applies to alkylsulphinyl as a part of a composite substituent, for example haloalkylsulphinyl etc., unless specifically defined elsewhere.
  • Non-limiting examples of“alkylsulfonyl” include but are not limited to methylsulphonyl, ethylsulphonyl, propylsulphonyl, 1-methylethylsulphonyl, butylsulphonyl, 1-methylpropylsulphonyl, 2- methylpropylsulphonyl, 1,1-dimethylethylsulphonyl, pentylsulphonyl, 1-methylbutylsulphonyl, 2- methylbutylsulphonyl, 3-methylbutylsulphonyl, 2,2-dimethylpropylsulphonyl, 1-ethylpropylsulphonyl, hexylsulphonyl, 1,1-dimethylpropylsulphonyl, 1,2-dimethylpropylsulphonyl, 1-methylpentylsulphonyl, 2- methylpentylsulphonyl, 3-methylpentyls
  • arylsulfonyl includes Ar-S(O) 2 , wherein Ar can be any carbocyle or heterocylcle.
  • Ar can be any carbocyle or heterocylcle.
  • alkylsulphonyl as a part of a composite substituent, for example alkylsulphonylalkyl etc., unless defined elsewhere.
  • Alkylamino “dialkylamino”, and the like, are defined analogously to the above examples.
  • “carbocycle” includes“aromatic carbocyclic ring system” and“nonaromatic carbocylic ring system” or polycyclic or bicyclic (spiro, fused, bridged, nonfused) ring compounds in which ring may be aromatic or non-aromatic (where aromatic indicates that the Huckel rule is satisfied and non-aromatic indicates that the Huckel rule is not statisfied).
  • hetero in connection with rings refers to a ring in which at least one ring atom is not carbon and which can contain 1 to 4 heteroatoms independently selected from the group consisting of nitrogen, oxygen and sulfur, provided that each ring contains no more than 4 nitrogens, no more than 2 oxygens and no more than 2 sulfurs.
  • non-aromatic heterocycle or“non-aromatic heterocyclic” means three- to fifteen-membered, preferably three- to twelve-membered, saturated or partially unsaturated heterocycle containing one to four heteroatoms from the group of oxygen, nitrogen and sulphur: mono, bi- or tricyclic heterocycles which contain, in addition to carbon ring members, one to three nitrogen atoms and/or one oxygen or sulphur atom or one or two oxygen and/or sulphur atoms; if the ring contains more than one oxygen atom, they are not directly adjacent; for example (but not limited to) oxetanyl, oxiranyl, aziridinyl, 2- tetrahydrofuranyl, 3-tetrahydrofuranyl, 2-tetrahydrothienyl, 3-tetrahydrothienyl, 1-pyrrolidinyl, 2- pyrrolidinyl, 3-pyrrolidinyl, 3-isoxazolidinyl
  • heteroaryl or“aromatic heterocyclic” means 5 or 6-membered, fully unsaturated monocyclic ring system containing one to four heteroatoms from the group of oxygen, nitrogen and sulphur; if the ring contains more than one oxygen atom, they are not directly adjacent; 5-membered heteroaryl containing one to four nitrogen atoms or one to three nitrogen atoms and one sulphur or oxygen atom: 5- membered heteroaryl groups which, in addition to carbon atoms, may contain one to four nitrogen atoms or one to three nitrogen atoms and one sulphur or oxygen atom as ring members, for example (but not limited thereto) furyl, thienyl, pyrrolyl, isoxazolyl, isothiazolyl, pyrazolyl, oxazolyl, thiazolyl, imidazolyl, l,2,4-oxadiazolyl, l,2,4-thiadiazolyl, l,2,4-
  • 6-membered heteroaryl which contains one to four nitrogen atoms: 6-membered heteroaryl groups which, in addition to carbon atoms, may contain, respectively, one to three and one to four nitrogen atoms as ring members, for example (but not limited thereto) 2-pyridinyl, 3-pyridinyl, 4-pyridinyl, 3-pyridazinyl, 4- pyridazinyl, 2-pyrimidinyl, 4-pyrimidinyl, 5-pyrimidinyl, 2-pyrazinyl, l,3,5-triazin-2-yl, l,2,4-triazin-3-yl and l,2,4,5-tetrazin-3-yl; benzofused 5-membered heteroaryl containing one to three nitrogen atoms or one nitrogen atom and one oxygen or sulphur atom: for example (but not limited to) indol-l-yl, indol-2-yl, indol-3-yl, indol-4-
  • heteroaryl as a part of a composite substituent, for example heteroarylalkyl etc., unless specifically defined elsewhere.
  • Trialkylsilyl includes 3 branched and/or straight-chain alkyl radicals attached to and linked through a silicon atom such as trimethylsilyl, triethylsilyl and t-butyl-dimethylsilyl.
  • “Halotrialkylsilyl” denotes at least one of the three alkyl radicals is partially or fully substituted with halogen atoms which may be the same or different.
  • alkoxytrialkylsilyl denotes at least one of the three alkyl radicals is substituted with one or more alkoxy radicals which may be the same or different.
  • the term “trialkylsilyloxy” denotes a trialkylsilyl moiety attached through oxygen.
  • Non-limiting examples of“alkylcarbonyl” include C(O)CH 3 , C(O)CH 2 CH 2 CH 3 and C(O)CH(CH 3 ) 2 .
  • haloalkylsufonylaminocarbonyl alkylsulfonylaminocarbonyl, alkylthioalkoxycarbonyl, alkoxycarbonylalkyl amino and the like are defined analogously.
  • C1-C 3 alkylsulfonyl designates methylsulfonyl through propylsulfonyl
  • C2 alkoxyalkyl designates CH 3 OCH 2
  • C 3 alkoxyalkyl designates, for example, CH 3 CH(OCH 3 ), CH 3 OCH 2 CH 2 or CH 3 CH 2 OCH 2
  • C4 alkoxyalkyl designates the various isomers of an alkyl group substituted with an alkoxy group containing a total of four carbon atoms, examples including CH 3 CH 2 CH 2 OCH 2 and CH 3 CH 2 OCH 2 CH 2 .
  • inventive compound of the present invention may, if appropriate, be present as mixtures of different possible isomeric forms, especially of stereoisomers, for example E and Z, threo and erythro, and also optical isomers, but if appropriate also of tautomers. Both the E and the Z isomers, and also the threo and erythro isomers, and the optical isomers, any desired mixtures of these isomers and the possible tautomeric forms are disclosed and claimed.
  • pest for the purpose of the present disclosure includes but is not limited to fungi, stramenopiles (oomycetes), bacteria, nematodes, mites, ticks, insects and rodents. Also pest is an animal or plant detrimental to humans or human concerns including crops, livestock, and forestry.
  • plant is understood here to mean all plants and plant populations, such as desired and undesired wild plants or crop plants (including naturally occurring crop plants). Crop plants may be plants which can be obtained by conventional breeding and optimization methods or by biotechnological and genetic engineering methods or combinations of these methods, including the transgenic plants and including the plant cultivars which are protectable and non-protectable by plant breeders’ rights.
  • the term“plant” includes a living organism of the kind exemplified by trees, shrubs, herbs, grasses, ferns, and mosses, typically growing in a site, absorbing water and required substances through its roots, and synthesizing nutrients in its leaves by photosynthesis.
  • Examples of“plant” for the purpose of the present invention include but are not limited to agricultural crops such as wheat, rye, barley, triticale, oats or rice; beet, e.g. sugar beet or fodder beet; fruits and fruit trees, such as pomes, stone fruits or soft fruits, e.g.
  • leguminous plants such as lentils, peas, alfalfa or soybeans; oil plants, such as rape, mustard, olives, sunflowers, coconut, cocoa beans, castor oil plants, oil palms, ground nuts or soybeans; cucurbits, such as squashes, cucumber or melons; fiber plants, such as cotton, flax, hemp or jute; citrus fruit and citrus trees, such as oranges, lemons, grapefruits or mandarins; any horticultural plants, vegetables, such as spinach, lettuce, asparagus, cabbages, carrots, onions, tomatoes, potatoes, cucurbits or paprika; lauraceous plants, such as avocados, cinnamon or camphor; cucurbitaceae; oleaginous plants; energy and raw material plants, such as cereals, corn, soybean, other leguminous plants, rape, sugar cane or oil palm; tobacco; nuts; coffee; tea;
  • the plant for the purpose of the present invention includes but is not limited to cereals, corn, rice, soybean and other leguminous plants, fruits and fruit trees, grapes, nuts and nut trees, citrus and citrus trees, any horticultural plants, cucurbitaceae, oleaginous plants, tobacco, coffee, tea, cacao, sugar beet, sugar cane, cotton, potato, tomato, onions, peppers and vegetables, ornamentals, any floricultural plants and other plants for use of human and animals.
  • plant parts is understood to mean all parts and organs of plants above and below the ground.
  • plant parts includes but is not limited to cuttings, leaves, twigs, tubers, flowers, seeds, branches, roots including taproots, lateral roots, root hairs, root apex, root cap, rhizomes, slips, shoots, fruits, fruit bodies, bark, stem, buds, auxillary buds, meristems, nodes and internodes.
  • locus thereof includes soil, surroundings of plant or plant parts and equipment or tools used before, during or after sowing/planting a plant or a plant part.
  • compositions optionally comprising other compatible compounds to a plant or a plant material or locus thereof include application by a technique known to a person skilled in the art which include but is not limited to spraying, coating, dipping, fumigating, impregnating, injecting and dusting.
  • adhered means adhered to a plant or plant part either physically or chemically including impregnation.
  • the present invention provides a compound of general formula (I),
  • A represent N or CR 2 ; when A represent N then not more than two nitrogen’s are present in ring E simultaneously;
  • X represents O or S
  • R 1 is selected from the group consisting of C 1 -C 6 -alkyl, C 2 -C 6 -alkenyl, C 2 -C 6 -alkynyl, C 1 -C 6 -haloalkyl, C 2 -C 6 -haloalkenyl, C 3 -C 8 -cycloalkyl and C 3 -C 8 -cycloalkyl-C 1 -C 6 -alkyl;
  • R 4 is selected from the group consisting of hydrogen, C 1 -C 6 -alkyl, C 2 -C 6 -alkenyl, C 2 -C 6 -alkynyl, C 1 -C 6 - haloalkyl, C 2 -C 6 -haloalkenyl, C 3 -C 8 -cycloalkyl, S(O)2R 7 , Si(R’)3, C 6 -C 10 -aryl, C 7 -C 14 -aralkyl and C 3 -C 10 - heterocyclyl; wherein each aliphatic group may be optionally substituted with R 4a and aryl or heterocyclyl group may be optionally substituted with one or more groups of R 4b ;
  • R 7 is selected from the group consisting of C 1 -C 6 -alkyl, C 2 -C 6 -alkenyl, C 2 -C 6 -alkynyl, C 1 -C 6 -haloalkyl, C 2 -C 6 -haloalkenyl, C 3 -C 8 -cycloalkyl, NR 5 R 6 , C 6 -C 10 -aryl, C 7 -C 14 -aralkyl and C 3 -C 10 -heterocyclyl; wherein each aliphatic group may be optionally substituted with one or more groups of R 7a and aryl or heterocyclyl group may be optionally substituted with one or more groups of R 7b ;
  • R’’ is selected from the group consisting of hydrogen, C 1 -C 6 -alkyl, C 2 -C 6 -alkenyl and C 2 -C 6 -alkynyl and C 3 -C 8 -cycloalkyl; wherein each may be optionally substituted with halogen;
  • each group of R 1 to R 11 , R 2a , R 3a , R 3b , R 4a , R 4b , R 5a , R 5b , R 7a , R 7b , R 8a and R 8b may be optionally substituted by one or more groups selected from the group consisting of X, CN, R’, OR’, SR’, N(R’) 2 , COOR’ and CON(R’) 2 ;
  • m is an integer ranging from 0 to 2;
  • n is an integer ranging from 0 to 2;
  • the present invention provides compound of formula (I), wherein R 2 is selected from the group consisting of hydrogen, C 1 -C 6 -haloalkyl, C 2 -C 6 -haloalkenyl, C 3 -C 8 - cycloalkyl, OR 4 , S(O) 0-2 R 7 ; wherein each group may be optionally substituted with one or more groups of R 2a ;
  • X represents O or S
  • R 1 is selected from the group consisting of C 1 -C 6 -alkyl, C 2 -C 6 -alkenyl, C 2 -C 6 -alkynyl, C 1 -C 6 -haloalkyl, C 2 -C 6 -haloalkenyl, C 3 -C 8 -cycloalkyl and C 3 -C 8 -cycloalkyl-C 1 -C 6 -alkyl;
  • m is an integer ranging from 0 to 2;
  • n is an integer ranging from 0 to 2;
  • the present invention provides compound of formula (I), wherein A represent CR 2 ;
  • R 2 is selected from the group consisting of hydrogen, C 1 -C 6 -haloalkyl, C 3 -C 8 -cycloalkyl, OR 4 , S(O) 0-2 R 7 ; wherein each group may be optionally substituted with one or more groups of R 2a ;
  • R 2a is selected from the group consisting of halogen, cyano, C 1 -C 6 -alkyl, C 1 -C 6 -haloalkyl, C 3 - C 8 -cycloalkyl;
  • X represents O or S
  • R 1 is selected from the group consisting of C 1 -C 6 -alkyl, C 2 -C 6 -alkenyl, C 2 -C 6 -alkynyl, C 1 -C 6 -haloalkyl, C 2 -C 6 -haloalkenyl, C 3 -C 8 -cycloalkyl, and C 3 -C 8 -cycloalkyl-C 1 -C 6 -alkyl;
  • R 3 is selected from the group consisting of phenyl; wherein each group of R 3 may be optionally substituted with one or more groups of R 3b ;
  • m is an integer ranging from 0 to 2;
  • n is an integer ranging from 0 to 2;
  • the compound of formula (I) is selected from 2-(3-(ethylsulfonyl)-5-(4- (trifluoromethoxy)phenyl)pyridin-2-yl)-6-(trifluoromethyl)-[1,2,4]triazolo[4,3-a]pyridin-3(2H)-one, 2-(5- (4-(difluoromethoxy)phenyl)-3-(ethylsulfonyl)pyridin-2-yl)-6-(trifluoromethyl)-[1,2,4]triazolo[4,3- a]pyridin-3(2H)-one, 5'-(ethylsulfonyl)-6'-(3-oxo-6-(trifluoromethyl)-[1,2,4]triazolo[4,3-a]pyridin-2(3H)- yl)-[3,3'-bipyridine]-6-carbonitrile, 4-(5-(ethyls
  • the compounds of the present invention can exist as one or more stereoisomers.
  • the various stereoisomers include enantiomers, diastereomers, atropisomers and geometric isomers.
  • one stereoisomer may be more active and/or may exhibit beneficial effects when enriched relative to the other stereoisomer(s) or when separated from the other stereoisomer(s). Additionally, the skilled artisan knows how to separate, enrich, and/or to selectively prepare said stereoisomers.
  • the compounds of the present invention may be present as a mixture of stereoisomers, individual stereoisomers or as an optically active form.
  • An anion part of the salt in case the compound of general formula (I) is a cationic or capable of forming a cation can be inorganic or organic.
  • a cation part of the salt in case the compound of general formula (I) is an anionic or capable of forming anion can be inorganic or organic.
  • examples of inorganic anion part of the salt include but are not limited to chloride, bromide, iodide, fluoride, sulfate, phosphate, nitrate, nitrite, hydrogen carbonates and hydrogen sulfate.
  • organic anion part of the salt examples include but are not limited to formate, alkanoates, carbonates, acetates, trifluoroacetate, trichloroacetate, propionate, glycolate, thiocyanate, lactate, succinate, malate, citrates, benzoates, cinnamates, oxalates, alkylsulphates, alkylsulphonates, arylsulphonates aryldisulphonates, alkylphosphonates, arylphosphonates, aryldiphosphonates, p-toluenesulphonate, and salicylate.
  • inorganic cation part of the salt examples include but are not limited to alkali and alkaline earth metals.
  • organic cation part of the salt examples include but are not limited to pyridine, methyl amine, imidazole, benzimidazole, hitidine, phosphazene, tetramethyl ammonium, tetrabutylammonium, choline and trimethylamine.
  • Metal ions in metal complexes of the compound of general formula (I) are especially the ions of the elements of the second main group, especially calcium and magnesium, of the third and fourth main group, especially aluminium, tin and lead, and also of the first to eighth transition groups, especially chromium, manganese, iron, cobalt, nickel, copper, zinc and others. Particular preference is given to the metal ions of the elements of the fourth period and the first to eighth transition groups.
  • the metals can be present in the various valencies that they can assume.
  • the present invention provides a compound of general formula (I) agriculturally acceptable salts, metal complexes, constitutional isomers, stereo-isomers, diastereoisomers, enantiomers, chiral isomers, atropisomers, conformers, rotamers, tautomers, optical isomers, polymorphs, geometric isomers, or N-oxides thereof composition with the excipient, inert carrier or any other essential ingredient such as surfactants, additives, solid diluents and liquid diluents.
  • the compounds selected from general formula (I), typically exist in more than one form, and general formula (I) thus includes all crystalline and non-crystalline forms of the compounds that general formula (I) represents.
  • Non-crystalline forms include embodiments which are solids such as waxes and gums as well as embodiments which are liquids such as solutions and melts.
  • Crystalline forms include embodiments which represent essentially a single crystal type and embodiments which represent a mixture of polymorphs (i.e. different crystalline types).
  • polymorph refers to a particular crystalline form of a chemical compound that can crystallize in different crystalline forms, these forms having different arrangements and/or conformations of the molecules in the crystal lattice.
  • polymorphs can have the same chemical composition, they can also differ in composition due to the presence or absence of co-crystallized water or other molecules, which can be weakly or strongly bound in the lattice. Polymorphs can differ in such chemical, physical and biological properties as crystal shape, density, hardness, color, chemical stability, melting point, hygroscopicity, suspensibility, dissolution rate and biological availability.
  • a polymorph of a compound represented by general formula (I) can exhibit beneficial effects (e.g., suitability for preparation of useful formulations, improved biological performance) relative to another polymorph or a mixture of polymorphs of the same compound represented by general formula (I).
  • Preparation and isolation of a particular polymorph of a compound represented by general formula (I) can be achieved by methods known to those skilled in the art including, for example, crystallization using selected solvents and temperatures.
  • the present invention provides a process for preparing the compound of general formula (I) or agriculturally acceptable salts.
  • the compounds of general formula (I) can be prepared according to methods given in scheme 1-9 or examples. Representative procedures are shown below, however; the disclosure should not be construed to limit the scope of the invention arriving at compound of formula I as disclosed hereinabove;
  • the compound represented by a general formula (I) can be prepared either by nucleophilic substitution or by metal catalyzed/mediated coupling reactions of a compound of formula (4) with a compound of formula (5) as described in the scheme -1;
  • the compound of formula (4) can be prepared starting from a compound of formula (2) as shown in scheme-2, wherein L represents a suitable leaving group such as halides, sulfones, and sulfonate esters.
  • L represents a suitable leaving group such as halides, sulfones, and sulfonate esters.
  • Non limiting examples of leaving group are chloro, bromo, iodo, methylsulfonyl, tosylates, mesylates, triflate and the like;
  • the substituted pyridine compound of formula (3) can be prepared by reacting a compound of formula (2), wherein L has the above mentioned meaning, with hydrazine hydrate in a solvent such as but not limited to ethanol, methanol, pyridine, triethyl amine and mixtures thereof at temperatures ranging from about 50 o C and about 100 o C for a period of ranging from 12 to 24 h.
  • a solvent such as but not limited to ethanol, methanol, pyridine, triethyl amine and mixtures thereof at temperatures ranging from about 50 o C and about 100 o C for a period of ranging from 12 to 24 h.
  • the pyridine hydrazine compound of formula (3) can be cyclized to a compound of formula (4), using methods known in the art, such as treatment of the hydrazine compound of formula (3) with a carbonylating or thiocabonylating agent such as triphosgene, thiophosgene N, N’-Carbonyldiimidazole (CDI) or a similar agent in an inert solvent, of which in a non limiting way may be mentioned tetrahydrofuran, 1,4-dioxane, acetonitrile and mixtures thereof at temperatures ranging from about 25 o C and about 130 o C for a period of ranging from 12 to 24 h.
  • a carbonylating or thiocabonylating agent such as triphosgene, thiophosgene N, N’-Carbonyldiimidazole (CDI) or a similar agent in an inert solvent, of which in a non limiting way may
  • the compound of formula (I) wherein G represents subtituted pyridine can be prepared by the method as described in scheme-3 to 9;
  • the present invention provides a method for the preparation of a compound of formula (Ia) wherein G represents a pyridyl ring, which comprises the reacting of a compound of formula (4) with a compound of formula (5a) by using an analogous method as described in scheme-1, wherein L represents a suitable leaving group such as halides, sulfones, and sulfonate esters.
  • L represents a suitable leaving group such as halides, sulfones, and sulfonate esters.
  • Non limiting examples of leaving groups are chloro, bromo, iodo, methylsulfonyl, tosylates, mesylates, triflate and the like.
  • the compound of formula (5a) can be obtained according to a procedure as described in WO2018008727.
  • a compound of formula (4) can be converted into a corresponding tertiary amide of formula (6) by following a nucleophilic substitution reaction which involves, for example, a reaction with a compound of formula (5b) under preferably basic conditions, wherein L and L 1 are leaving groups such as halides, sulfones, and sulfonate esters.
  • L and L 1 are leaving groups such as halides, sulfones, and sulfonate esters.
  • Non limiting examples of leaving groups are chloro, bromo, iodo, methylsulfonyl, tosylates, mesylates, triflate and the like.
  • the preparation of compounds of formula (5b) has been described in the literature (WO2018/008727).
  • the reaction is generally carried out in presence of a suitable base as for example potassium carbonate, sodium carbonate, cesium carbonate or sodium hydride.
  • a suitable base as for example potassium carbonate, sodium carbonate, cesium carbonate or sodium hydride.
  • the reaction is generally carried out in a suitable solvent such as tetrahydrofuran (THF), dimethylformamide (DMF), dimethyl sulfoxide (DMSO), N-Methyl-2-Pyrrolidone (NMP) or in mixtures thereof at temperatures ranging from about 50 o C to about 120 o C.
  • THF tetrahydrofuran
  • DMF dimethylformamide
  • DMSO dimethyl sulfoxide
  • NMP N-Methyl-2-Pyrrolidone
  • the compound of formula (6) or (6a) (as shown in scheme 6) can be conveniently coupled under standard Suzuki cross coupling conditions or under Buchwald-Hartwig cross coupling conditions with boronic acids or a boronic ester compound of formula (7) or a compound of formula (8) respectively to afford the compound of formula (I).
  • the Suzuki cross coupling reaction can be catalyzed by a palladium based catalyst, including but not limited to 1,1 ⁇ -Bis(diphenylphosphino)ferrocene]dichloropalladium(II) or tetrakis(triphenylphosphine) palladium(0), in a suitable solvent for example, tetrahydrofuran (THF), N,N’,dimethylformamide (DMF), 1,2-dimethoxyethane, 1,4-dioxane or a solvent system such as a mixture of tetrahydrofuran (THF)/water, 1,2-dimethoxyethane/water, 1,4-dioxane/water, or the like.
  • a suitable solvent for example, tetrahydrofuran (THF), N,N’,dimethylformamide (DMF), 1,2-dimethoxyethane, 1,4-dioxane or a solvent system such as a mixture of
  • the reaction is usually carried out in the presence of a base, for example potassium carbonate, cesium carbonate or potassium phosphate.
  • a base for example potassium carbonate, cesium carbonate or potassium phosphate.
  • the reaction temperature can preferentially range from ambient temperature (20 o C) to the boiling point of the reaction mixture to produce the compound of formula (I) as precedented in the literature, see for example Chem. Soc. Rev.2014, 43, 412-443 or in WO2014070978. Buchwald-Hartwig cross coupling conditions are well known to those skilled in the art, many variations are described in literature and have been reviewed, for example in strategic applications of named reactions in Organic Synthesis , ELSEVIER, 2005, p 70 and cited references.
  • the reaction is catalyzed by a palladium based catalyst, for example palladium acetate, in presence of a base, like cesium carbonate or sodium tert-butoxide, in a solvent or a solvent mixture, like, for example toluene, preferably under an inert atmosphere and in the presence of an appropriate chelating phosphine such as BINAP or Xantphos.
  • a palladium based catalyst for example palladium acetate
  • a base like cesium carbonate or sodium tert-butoxide
  • a solvent or a solvent mixture like, for example toluene
  • the reaction temperature can preferentially range from ambient temperature (20 o C) to the boiling point of the reaction mixture during the preparation of the compound of formula (I).
  • the compounds of the present invention of formula (Ia) can be prepared as described in Scheme-5;
  • the compound of formula (4) can be reacted with a compound of formula (9) as described in step-1 of scheme-4 to afford a compound of formula (10).
  • the preparation of a compound of formula (9) has been described in the literature (WO2005066171).
  • the formation of chloropyridine type compounds of formula (12) is achieved by initial oxidation of a corresponding pyridine derivative of formula (10), for example analogously to the process described in WO2008112646, WO2010073128 and WO2013018928.
  • suitable oxidizing agents for this conversion are meta-chloroperbenzoic acid or hydrogen peroxide.
  • the reaction is preferably carried out in a solvent selected from customary solvents which are inert under the prevailing reaction conditions.
  • halogenated hydrocarbons such as, for example, dichloromethane, chloroform, or to esters such as ethyl acetate.
  • the compound of formula (12), wherein L 1 is halogen such as chlorine or bromine may be prepared via halogenation of a compound of formula (11), being achieved by reaction with a phosphorous reagents, such as phosphorus oxychloride.
  • Useful solvents or diluents include all inert organic solvents, for example aliphatic or aromatic hydrocarbons. Preference is given to the use of toluene. Such reactions are well known from the literature, and also alternative reactions are well described in literature, for example Synthetic Communications, 2001, 31, 2507-2511 as well as cited references therein.
  • the compound of formula (Ia) in which one of R 3 represents a ring attached via carbon can be prepared for example from a compound of formula (12) by following Suzuki cross coupling methods as described for step 4 in scheme-5.
  • a compound of formula (Ia), in which one of R 3 represents a ring attached via nitrogen can be carried out in the presence of a suitable organic or inorganic base such as metal hydride, e.g., sodium hydride and the like; an organic base such as triethyl amine, ethyldiisopropyl amine, and the like; or an inorganic base such as sodium carbonate, potassium carbonate, cesium carbonate and the like.
  • a suitable organic or inorganic base such as metal hydride, e.g., sodium hydride and the like
  • an organic base such as triethyl amine, ethyldiisopropyl amine, and the like
  • an inorganic base such as sodium carbonate, potassium carbonate, cesium carbonate and the like.
  • Such amination reactions can be carried out in one or more appropriate solvents such as ethers, e.g tetrahydrofuran, 1,4-dioxane, and the like; halogenated solvents such as dichloromethane, dichloroethane and the like; or amides such as dimethyl formamide, dimethyl acetamide and the like; or mixture(s) thereof.
  • solvents such as ethers, e.g tetrahydrofuran, 1,4-dioxane, and the like; halogenated solvents such as dichloromethane, dichloroethane and the like; or amides such as dimethyl formamide, dimethyl acetamide and the like; or mixture(s) thereof.
  • a compound of formula (Ia), in which one of R 3 represents a ring attached via nitrogen can also be prepared by methods known in the literature (see for example, Journal of Organic Chemistry 2010, 69, 5578), e.g in the presence of a copper catalyst, for example of copper(I) iodide and basic reaction auxiliaries, for example trans-N,N’-dimethylcyclohexane-1,2-diamine, N,N'-dimethylethane-1, 2- diamine and potassium carbonate or cesium carbonate, in a suitable solvent or diluent at temperatures ranging from 30 to 150 o C.
  • a suitable solvent or diluent at temperatures ranging from 30 to 150 o C.
  • Useful solvents or diluents include all inert organic solvents, for example acetonitrile, 1,4-dioxane or dimethylformamide.
  • a compound of formula (6a) can be transformed to a compound of formula (14) under palladium catalyzed Buchwald-Hartwig cross coupling while employing tert-butyl carbamate (13) as the amine partner under the general reaction conditions as described for step 2 in scheme-4.
  • De-protection of a protected amino group such as the t-butyl carbamate moiety in a compound of formula (14), can be carried out according to standard methods under acidic conditions using hydrochloric acid, trifluoroacetic acid, acetic acid or Lewis acids like zinc bromide, stannic chloride and the like; in one or more solvents such as dichloromethane, tetrahydrofuran, methanol, water, toluene, 1,4-dioxane or mixture(s) thereof to provide compounds of formula (18).
  • a compound of formula (14) can be alkylated by treating with alkyl halides such as methyl iodide, ethyl iodide, or propyl bromide, while using bases such as cesium carbonate, potassium carbonate, sodium carbonate and the like, in one or more solvents such as N,N-dimethylformamide, N,N- dimethylacetamide, tetrahydrofuran or mixture thereof to afford the compound of formula (16).
  • alkyl halides such as methyl iodide, ethyl iodide, or propyl bromide
  • bases such as cesium carbonate, potassium carbonate, sodium carbonate and the like
  • solvents such as N,N-dimethylformamide, N,N- dimethylacetamide, tetrahydrofuran or mixture thereof to afford the compound of formula (16).
  • a compound of formula (17) can be further alkylated to afford a compound of formula (Ia) under the general reaction conditions as described for step 2 of scheme 6.
  • a compound of formula (Ia) can be obtained from a compound of formula (17) or of formula (18) under amide coupling conditions, e.g.
  • carboxylic acid chlorides (20) or via an in situ activation of carboxylic acids (19) by peptide coupling reagents such as bis(2-oxo-3-oxazolidinyl)phosphinic chloride, N,N'-dicyclohexylcarbodiimide, 1-ethyl- 3-(3-dimethylaminopropyl)carbodiimide, 1-[bis(dimethylamino)methylene]-1H-1,2,3-triazolo[4,5- b]pyridinium 3-oxide hexafluorophosphate; in a solvents like dichloromethane, dichloroethane, N,N- dimethylformamide, N,N-dimethylacetamide, tetrahydrofuran, acetonitrile or a mixture thereof.
  • peptide coupling reagents such as bis(2-oxo-3-oxazolidinyl)phosphinic chloride, N,N'-dicyclohe
  • Organic non-nucleophilic bases such as triethyl amine, ethyldiisopropyl amine, pyridine, N-methyl pyrrolidine, 1,8-Diazabicyclo[5.4.0]undec-7-ene may be used in such a procedure.
  • the reaction is preferably carried out at temperature ranging from about 0 o C and about 150 o C.
  • the compound of formula (22) (wherein L is a leaving group, for example fluorine, chlorine or bromine) can be reacted with a compound of formula (23) or a salt thereof, or with a compound of formula (24), wherein M is for example sodium or potassium, optionally in the presence of a suitable base, such as alkali metal carbonates, for example sodium carbonate or potassium carbonate, or alkali metal hydrides such as sodium hydride, or alkali metal hydroxides such as sodium hydroxide and potassium hydroxide, in an inert solvent at temperatures ranging from 25-110 o C, to generate compounds of formula (25).
  • a suitable base such as alkali metal carbonates, for example sodium carbonate or potassium carbonate, or alkali metal hydrides such as sodium hydride, or alkali metal hydroxides such as sodium hydroxide and potassium hydroxide, in an inert solvent at temperatures ranging from 25-110 o C, to generate compounds of formula (25).
  • this reaction can be carried out in the presence of a palladium catalyst, such as tris(dibenzylideneacetone)dipalladium(0), in the presence of a ligand such as xanthphos, in an inert solvent, for example toluene, xylene at temperatures ranging from 100-150 o C, as described in Tetrahedron, 2005, 61, 5253.
  • a palladium catalyst such as tris(dibenzylideneacetone)dipalladium(0)
  • a ligand such as xanthphos
  • Oxidizing agents such as m- chloroperoxybenzoic acid (mCPBA), hydrogen peroxide/glacial acetic acid, hydrogen peroxide/trifluoroacetic acid, hydrogen peroxide/potassium permanganate, hydrogen peroxide/p- toulenesulfonylimidazole, urea hydrogen peroxide/trifluoroacetic acid, oxone, sodium periodate, sodium hypochlorite and other organic peracids and the like can be used for this.
  • the solvent used in this reaction include aliphatic halogenated hydrocarbons such as dichloromethane and chloroform; alcohols such as methanol and ethanol and the mixtures thereof.
  • the hydrolysis of a compound of formula (26) can be achieved by using a base such as sodium hydroxide, potassium hydroxide, lithium hydroxide and the like; in solvents such as THF, water, methanol, ethanol or a mixture(s) thereof, giving a compound of formula (27).
  • a compound of formula (Ia) can be obtained from a compound of formula (27) under general amide coupling conditions as described for Step 6 in Scheme-6.
  • a suitable reagent that can transfer sulfur atoms such as, for example Lawesson’s reagent in a solvent such as N,N-dimethylformamide or toluene, usually at temperatures ranging from 50 to 160 o C, giving a compound of formula (28) which can be further converted into a compound of formula (Ia), as described in Step 2 in Scheme-4.
  • a suitable reagent that can transfer sulfur atoms such as, for example Lawesson’s rea
  • a compound of formula (Ia) can be prepared as described in scheme-9;
  • a compound of formula (6a) can be converted to a compound of formula (30) by reacting a compound of formula (6a) with a stannane derivative of compound of formula (29), by following the methods known in the art (see for example Angew. Chem. Int. Ed; 2005, 44, 4442-4489).
  • This reaction can be mediated by a suitable catalyst known in the art such as bis(triphenylphosphine)palladium(II) dichloride, tris(dibenzylideneacetone)dipalladium(0), tetrakis(triphenylphosphine)palladium, palladium(II) acetate or mixture(s) thereof.
  • a compound of formula (30) can be subjected to acidic hydrolysis by using acids such as p- toluenesulfonic acid, hydrochloric acid and the like; in one or more solvents such as 1,4-dioxane, tetrahydrofuran or a mixture(s) thereof; to obtain compound of formula (31).
  • acids such as p- toluenesulfonic acid, hydrochloric acid and the like
  • solvents such as 1,4-dioxane, tetrahydrofuran or a mixture(s) thereof
  • a compound of formula (31) can be transformed to a compound of formula (34) by treating it with an alkyl magnesium halide of formula (32) or an alkyl lithium reagent of formula (33), following methods known in the art (S.Warren, Chemistry of the Carbonyl Group, Wiley, Chichester, 1974). As also known from the art, such reactions can be effected in ether type solvents such as diethyl ether, tetrahydrofuran, 1,4-dioxane, and the like; hydrocarbons such as toluene, hexane and the like or mixture(s) thereof.
  • ether type solvents such as diethyl ether, tetrahydrofuran, 1,4-dioxane, and the like
  • hydrocarbons such as toluene, hexane and the like or mixture(s) thereof.
  • a compound of formula (31) can also be converted to a compound of formula (36) by nucleophilic trifluoromethylation with Ruppert’s reagent, i.e trifluoromethyltrimethylsilane (35), in the presence of carbonate salts such as potassium carbonate, cesium carbonate or lithium carbonate, sodium acetate, potassium salts such as tripotassium phosphate, potassium hydrogenphosphate trihydrate or monopotassium phosphate; and other nucleophilic initiators such as cesium fluoride, tetrabutyl ammonium fluoride, tetramethylammonium fluoride and the like; in one or more solvents such as N,N- dimethylformamide, tetrahydrofuran, dimethyl sulfoxide, dichloromethane and the like or mixture(s) thereof.
  • Ruppert’s reagent i.e trifluoromethyltrimethylsilane (35)
  • carbonate salts such as potassium carbonate, cesium carbonate or lithium carbonate
  • the reduction of the keto group in a compound of formula (31) to afford a compound of formula (37) can be carried out using reducing agents known in the art (R. C. Larock, Comprehensive Organic Transformations: A Guide to Functional Group Preparations; Wiley, 3 rd Edition, 2018).
  • reducing agents include metal hydrides such as sodium borohydride, lithium borohydride, Lithium aluminium hydride and the like, trihydridoboron, dimethyl sulfide and the like.
  • Such reduction of a compound of formula (31) can be carried out in ether type solvents such as diethyl ether, tetrahydrofuran, 1,4-dioxane, and the alcohols like methanol, ethanol and the like; hydrocarbons such as toluene and the like or mixture(s) thereof.
  • ether type solvents such as diethyl ether, tetrahydrofuran, 1,4-dioxane, and the alcohols like methanol, ethanol and the like; hydrocarbons such as toluene and the like or mixture(s) thereof.
  • Selective O-alkylation of a compound of formula (34), (36) and (37) can be achieved by using bases such as 1,8-bis(dimethylamino)naphthalene, sodium hydride, lithium hexamethyldisilazine, cesium carbonate, potassium carbonate and the like; alkylating agents such as trimethyloxonium tetrafluoroborate; and alkyl halides such as methyl iodide, ethyl iodide, propyl bromide in one or more solvents such as dichloromethane, N,N-dimethylformamide, N,N-dimethylacetamide, tetrahydrofuran, toluene or mixture(s) thereof to provide a compound of formula (Ia).
  • the present invention provides a composition for controlling or preventing invertebrate pests.
  • the composition comprises a biologically effective amount of the compound of general formula (I) and at least one additional component selected from the group consisting of
  • the present invention provides a compound of general formula (I) or its N- oxides and salts into customary types of agrochemical compositions, e. g. solutions, emulsions, suspensions, dusts, powders, pastes, granules, pressings, capsules, and mixtures thereof.
  • agrochemical compositions e. g. solutions, emulsions, suspensions, dusts, powders, pastes, granules, pressings, capsules, and mixtures thereof.
  • composition types are suspensions (e.g. SC, OD, FS), emulsifiable concentrates (e.g. EC), emulsions (e.g. EW, EO, ES, ME), capsules (e.g. CS, ZC), pastes, pastilles, wettable powders or dusts (e.g.
  • compositions types are defined in the "Catalogue of pesticide formulation types and international coding system", Technical Monograph No.2, 6 th Ed. May 2008, CropLife International.
  • compositions are prepared in a known manner, such as described by Mollet and Grubemann, Formulation technology, Wiley VCH, Weinheim, 2001; or Knowles, New developments in crop protection product formulation, Agrow Reports DS243, T and F Informa, London, 2005.
  • auxiliaries are solvents, liquid carriers, solid carriers or fillers, surfactants, dispersants, emulsifiers, wetters, adjuvants, solubilizers, penetration enhancers, protective colloids, adhesion agents, thickeners, humectants, repellents, attractants, feeding stimulants, compatibilizers, bactericides, anti-freezing agents, anti-foaming agents, colorants, tackifiers or binders.
  • Suitable solvents and liquid carriers are water and organic solvents, such as mineral oil fractions of medium to high boiling point, e.g. kerosene, diesel oil; oils of vegetable or animal origin; aliphatic, cyclic and aromatic hydrocarbons, e. g. toluene, paraffin, tetrahydronaphthalene, alkylated naphthalenes; alcohols, e.g. ethanol, propanol, butanol, benzylalcohol, cyclohexanol; glycols; DMSO; ketones, e.g. cyclohexanone; esters, e.g.
  • mineral oil fractions of medium to high boiling point e.g. kerosene, diesel oil
  • oils of vegetable or animal origin oils of vegetable or animal origin
  • aliphatic, cyclic and aromatic hydrocarbons e. g. toluene, paraffin, tetrahydronaphthalene, alkylated
  • lactates carbonates, fatty acid esters, gamma-butyrolactone; fatty acids; phosphonates; amines; amides, e.g. N-methylpyrrolidone, fatty acid dimethylamides; and mixtures thereof.
  • Suitable solid carriers or fillers are mineral earths, e.g. silicates, silica gels, talc, kaolins, limestone, lime, chalk, clays, dolomite, diatomaceous earth, bentonite, calcium sulfate, magnesium sulfate, magnesium oxide; polysaccharide powders, e.g. cellulose, starch; fertilizers, e.g. ammonium sulfate, ammonium phosphate, ammonium nitrate, ureas; products of vegetable origin, e.g. cereal meal, tree bark meal, wood meal, nutshell meal, and mixtures thereof.
  • mineral earths e.g. silicates, silica gels, talc, kaolins, limestone, lime, chalk, clays, dolomite, diatomaceous earth, bentonite, calcium sulfate, magnesium sulfate, magnesium oxide
  • polysaccharide powders e.g. cellulose, starch
  • Suitable surfactants are surface-active compounds, such as anionic, cationic, nonionic and amphoteric surfactants, block polymers, polyelectrolytes, and mixtures thereof. Such surfactants can be used as emusifier, dispersant, solubilizer, wetter, penetration enhancer, protective colloid, or adjuvant. Examples of surfactants are listed in McCutcheon's, Vol.1: Emulsifiers and Detergents, McCutcheon's Directories, Glen Rock, USA, 2008 (International Ed. or North American Ed.).
  • Suitable anionic surfactants are alkali, alkaline earth or ammonium salts of sulfonates, sulfates, phosphates, carboxylates, and mixtures thereof.
  • sulfonates are alkylarylsulfonates, diphenylsulfonates, alpha-olefin sulfonates, lignine sulfonates, sulfonates of fatty acids and oils, sulfonates of ethoxylated alkylphenols, sulfonates of alkoxylated arylphenols, sulfonates of condensed naphthalenes, sulfonates of dodecyland tridecylbenzenes, sulfonates of naphthalenes and alkylnaphthalenes, sulfosuccinates or sulfosuccinamates.
  • Examples of sulfates are sulfates of fatty acids and oils, of ethoxylated alkylphenols, of alcohols, of ethoxylated alcohols, or of fatty acid esters.
  • Examples of phosphates are phosphate esters.
  • Examples of carboxylates are alkyl carboxylates, and carboxylated alcohol or alkylphenol ethoxylates.
  • Suitable nonionic surfactants are alkoxylates, N-subsituted fatty acid amides, amine oxides, esters, sugar- based surfactants, polymeric surfactants, and mixtures thereof.
  • alkoxylates are compounds such as alcohols, alkylphenols, amines, amides, arylphenols, fatty acids or fatty acid esters which have been alkoxylated with 1 to 50 equivalents.
  • Ethylene oxide and/or propylene oxide may be employed for the alkoxylation, preferably ethylene oxide.
  • N-subsititued fatty acid amides are fatty acid glucamides or fatty acid alkanolamides.
  • esters are fatty acid esters, glycerol esters or monoglycerides.
  • sugarbased surfactants are sorbitans, ethoxylated sorbitans, sucrose and glucose esters or alkylpolyglucosides.
  • polymeric surfactants are homeor copolymers of vinylpyrrolidone, vinylalcohols, or vinylacetate.
  • Suitable cationic surfactants are quaternary surfactants, for example quaternary ammonium compounds with one or two hydrophobic groups, or salts of long-chain primary amines.
  • Suitable amphoteric surfactants are alkylbetains and imidazolines.
  • Suitable block polymers are block polymers of the A-B or A-B-A type comprising blocks of polyethylene oxide and polypropylene oxide, or of the A-B-C type comprising alkanol, polyethylene oxide and polypropylene oxide.
  • Suitable polyelectrolytes are polyacids or polybases. Examples of polyacids are alkali salts of polyacrylic acid or polyacid comb polymers.
  • polybases are polyvinylamines or polyethyleneamines.
  • Suitable adjuvants are compounds, which have a neglectable or even no pesticidal activity themselves, and which improve the biological performance of the compound I on the target. Examples are surfactants, mineral or vegetable oils, and other auxilaries. Further examples are listed by Knowles, Adjuvants and additives, Agrow Reports DS256, TandF Informa UK, 2006, chapter 5.
  • Suitable thickeners are polysaccharides (e.g. xanthan gum, carboxymethylcellulose), anorganic clays (organically modified or unmodified), polycarboxylates, and silicates.
  • Suitable bactericides are bronopol and isothiazolinone derivatives such as alkylisothiazolinones and benzisothiazolinones.
  • Suitable anti- freezing agents are ethylene glycol, propylene glycol, urea and glycerin.
  • Suitable anti-foaming agents are silicones, long chain alcohols, and salts of fatty acids.
  • Suitable colorants e.g. in red, blue, or green are pigments of low water solubility and watersoluble dyes.
  • Suitable tackifiers or binders are polyvinylpyrrolidone, polyvinylacetates, polyvinyl alcohols, polyacrylates, biological or synthetic waxes, and cellulose ethers.
  • composition types and their preparation are:
  • a compound I or an N-oxide or salt thereof and 5-15 wt% wetting agent e.g. alcohol alkoxylates
  • a water-soluble solvent e.g. alcohols
  • a compound I or an N-oxide or salt thereof and 1-10 wt% dispersant e. g. polyvinylpyrrolidone
  • a compound I or an N-oxide or salt thereof and 1-10 wt% dispersant e. g. polyvinylpyrrolidone
  • organic solvent e.g. cyclohexanone
  • 50-80 wt% of a compound I or an N-oxide or salt thereof are ground finely with addition of up to 100 wt% dispersants and wetting agents (e.g. sodium lignosulfonate and alcohol ethoxylate) and prepared as water-dispersible or water-soluble granules by means of technical appliances (e. g. extrusion, spray tower, fluidized bed). Dilution with water gives a stable dispersion or solution of the active substance.
  • dispersants and wetting agents e.g. sodium lignosulfonate and alcohol ethoxylate
  • wt% of a compound I or an N-oxide or salt thereof are ground in a rotor-stator mill with addition of 1 -5 wt% dispersants (e.g. sodium lignosulfonate), 1-3 wt% wetting agents (e.g. alcohol ethoxylate) and up to 100 wt% solid carrier, e.g. silica gel. Dilution with water gives a stable dispersion or solution of the active substance.
  • dispersants e.g. sodium lignosulfonate
  • wetting agents e.g. alcohol ethoxylate
  • solid carrier e.g. silica gel
  • a compound I or an N-oxide or salt thereof are comminuted with addition of 3-10 wt% dispersants (e.g. sodium lignosulfonate), 1-5 wt% thickener (e.g. carboxymethylcellulose) and up to 100 wt% water to give a fine suspension of the active substance. Dilution with water gives a stable suspension of the active substance,
  • dispersants e.g. sodium lignosulfonate
  • 1-5 wt% thickener e.g. carboxymethylcellulose
  • Microemulsion (ME) 5-20 wt% of a compound I or an N-oxide or salt thereof are added to 5-30 wt% organic solvent blend (e.g. fatty acid dimethylamide and cyclohexanone), 10-25 wt% surfactant blend (e.g. alkohol ethoxylate and arylphenol ethoxylate), and water up to 100 %. This mixture is stirred for 1 h to produce spontaneously a thermodynamically stable microemulsion.
  • organic solvent blend e.g. fatty acid dimethylamide and cyclohexanone
  • surfactant blend e.g. alkohol ethoxylate and arylphenol ethoxylate
  • An oil phase comprising 5-50 wt% of a compound I or an N-oxide or salt thereof, 0-40 wt% water insoluble organic solvent (e.g. aromatic hydrocarbon), 2-15 wt% acrylic monomers (e.g. methylmethacrylate, methacrylic acid and a dior triacrylate) are dispersed into an aqueous solution of a protective colloid (e.g. polyvinyl alcohol). Radical polymerization initiated by a radical initiator results in the formation of poly(methyl acrylate) microcapsules.
  • an oil phase comprising 5-50 wt% of a compound I according to the present invention, 0-40 wt% water insoluble organic solvent (e.g.
  • an isocyanate monomer e.g. diphenylmethene-4,4'-diisocyanatae
  • a protective colloid e.g. polyvinyl alcohol
  • the addition of a polyamine results in the formation of polyurea microcapsules.
  • the monomers amount to 1 - 10 wt%.
  • the wt% relate to the total CS composition
  • Dustable powders (DP, DS) 1-10 wt% of a compound I or an N-oxide or salt thereof are ground finely and mixed intimately with up to 100 wt% solid carrier, e.g. finely divided kaolin.
  • Granules 0.5-30 wt% of a compound I or an N-oxide or salt thereof is ground finely and associated with up to 100 wt% solid carrier (e.g. silicate). Granulation is achieved by extrusion, spray- drying or the fluidized bed.
  • solid carrier e.g. silicate
  • Ultra-low volume liquids 1-50 wt% of a compound I or an N-oxide or salt thereof are dissolved in up to 100 wt% organic solvent, e.g. aromatic hydrocarbon.
  • compositions types i) to xi) may optionally comprise further auxiliaries, such as 0.1-1 wt% bactericides, 5-15 wt% anti-freezing agents, 0.1-1 wt% anti-foaming agents, and 0.1 -1 wt% colorants.
  • a agrochemical compositions compound of general formula (I) which comprise active substance between 0.01 and 95% by weight, preferably between 0.1 and 90%, and more preferably between 1 and 70 %, in particular between 10 and 60 by weight of active substance.
  • the active substances are employed in a purity of from 90% to 100%, preferably from 95% to 100% (according to NMR spectrum).
  • Water-soluble concentrates (LS), Suspoemulsions (SE), flowable concentrates (FS), powders for dry treatment (DS), water-dispersible powders for slurry treatment (WS), water-soluble powders (SS), emulsions (ES), emulsifiable concentrates (EC) and gels (GF) are usually employed for the purposes of treatment of plant propagation materials, particularly seeds.
  • the compositions in question give, after two- to-tenfold dilution, active substance concentrations of from 0.01 to 60% by weight, preferably from 0.1 to 40% by weight, in the ready-to-use preparations. Application can be carried out before or during sowing.
  • Methods for applying or treating compound I and compositions thereof, respectively, on to plant propagation material, especially seeds include dressing, coating, pelleting, dusting, soaking and in-furrow application methods of the propagation material.
  • compound I or the compositions thereof, respectively are applied on to the plant propagation material by a method such that germination is not induced, e. g. by seed dressing, pelleting, coating and dusting.
  • the amounts of active substances applied are, depending on the kind of effect desired, from 0.001 to 2 kg per ha, preferably from 0.005 to 2 kg per ha, more preferably from 0.05 to 0.9 kg per ha, in particular from 0.1 to 0.75 kg per ha.
  • amounts of active substance of from 0.1 to 1000 g, preferably from 1 to 500 g, more preferably from 1 to 100 g and most preferably from 5 to 100 g, per 100 kilogram of plant propagation material (preferably seed) are generally required.
  • the amount of active substance applied depends on the kind of application area and on the desired effect. Amounts customarily applied in the protection of materials are 0.001 g to 2 kg, preferably 0.005 g to 1 kg, of active substance per cubic meter of treated material.
  • oils, wetters, adjuvants, fertilizer, or micronutrients, and other pesticides may be added to the active substances or the compositions comprising them as premix or, if appropriate not until immediately prior to use (tank mix).
  • pesticides e.g. herbicides, insecticides, fungicides, growth regulators, safeners
  • These agents can be admixed with the compositions according to the present invention in a weight ratio of 1:100 to 100:1, preferably 1:10 to 10:1.
  • the user can apply the composition according to the present invention usually from a predosage device, a knapsack sprayer, a spray tank, a spray plane, or an irrigation system.
  • the agrochemical composition is made up with water, buffer, and/or further auxiliaries to the desired application concentration and the ready-to-use spray liquor or the agrochemical composition according to the present invention is thus obtained.
  • 20 to 2000 liters, preferably 50 to 400 liters, of the ready-to-use spray liquor are applied per hectare of agricultural useful area.
  • composition according to the present invention such as parts of a kit or parts of a binary or ternary mixture may be mixed by the user himself in a spray tank and further auxiliaries may be added, if appropriate.
  • the compounds and compositions of the present invention are thus useful agronomically for protecting field crops from phytophagous invertebrate pests, and also nonagronomically for protecting other horticultural crops and plants from phytophagous invertebrate pests.
  • This utility includes protecting crops and other plants (i.e. both agronomic and nonagronomic) that contain genetic material introduced by genetic engineering (i.e. transgenic) or modified by mutagenesis to provide advantageous traits.
  • the compounds of the present invention are characterized by favorable metabolic and/or soil residual patterns and exhibit activity controlling a spectrum of agronomic and non-agronomic invertebrate pests.
  • the compounds of the present invention are preventively and/or curatively valuable active ingredients in the field of pest control, even at low rates of application, which can be used against pesticide resistant pests such as insects and fungi, and/or have a very favorable biocidal spectrum and are well tolerated by warm-blooded species, fish and plants.
  • invertebrate pest control means inhibition of invertebrate pest development (including mortality) that causes significant reduction in feeding or other injury or damage caused by the pest; related expressions are defined analogously.
  • invertebrate pest includes arthropods, gastropods and nematodes of economic importance as pests.
  • arthropod includes insects, mites, spiders, scorpions, centipedes, millipedes, pill bugs and symphylans.
  • the term“gastropod” includes snails, slugs and other Stylommatophora.
  • the term“nematode” includes all of the helminths, such as: roundworms, heartworms, and phytophagous nematodes (Nematoda), flukes (Tematoda), Acanthocephala, and tapeworms (Cestoda). Those skilled in the art will recognize that not all compounds are equally effective against all pests.
  • the compounds of the present invention display activity against economically important agronomic, forest, greenhouse, nursery, ornamentals, turfgrass, food and fiber, public and animal health, domestic and commercial structure, household, and stored product pests.
  • These include larvae of the order Lepidoptera, such as armyworms, cutworms, loopers, and heliothines in the family Noctuidae (e.g., fall armyworm (Spodoptera fugiperda J. E.
  • earwigs from the family Forficulidae e.g., European earwig (Forficula auricularia Linnaeus), black earwig (Chelisoches mono Fabricius)
  • adults and nymphs of the orders Hemiptera and Homoptera such as, plant bugs from the family Miridae, cicadas from the family Cicadidae, leafhoppers (e.g.
  • insects are also included are adults and larvae of the order Acari (mites) such as spider mites and red mites in the family Tetranychidae (e.g., European red mite (Panonychus ulmi Koch), two spotted spider mite (Tetranychus urticae Koch), McDaniel mite (Tetranychus mcdanieli McGregor)), flat mites in the family Tenuipalpidae (e.g., citrus flat mite (Brevipalpus lewisi McGregor)), rust and bud mites in the family Eriophyidae and other foliar feeding mites and mites important in human and animal health, i.e.
  • Tetranychidae e.g., European red mite (Panonychus ulmi Koch), two spotted spider mite (Tetranychus urticae Koch), McDaniel mite (Tetranychus mcdaniel
  • Additional arthropod pests covered include: spiders in the order Araneae such as the brown recluse spider (Loxosceles reclusa Gertsch and Mulaik) and the black widow spider (Latrodectus mactans Fabricius), and centipedes in the order Scutigeromorpha such as the house centipede (Scutigera coleoptrata Linnaeus).
  • spiders in the order Araneae such as the brown recluse spider (Loxosceles reclusa Gertsch and Mulaik) and the black widow spider (Latrodectus mactans Fabricius)
  • centipedes in the order Scutigeromorpha such as the house centipede (Scutigera coleoptrata Linnaeus).
  • Activity also includes members of the Classes Nematoda, Cestoda, Trematoda, and Acanthocephala including economically important members of the orders Strongylida, Ascaridida, Oxyurida, Rhabditida, Spirurida, and Enoplida such as but not limited to economically important agricultural pests (i.e. root knot nematodes in the genus Meloidogyne, lesion nematodes in the genus Pratylenchus, stubby root nematodes in the genus Trichodorus, etc.) and animal and human health pests (i.e.
  • the compounds of the present invention show particularly high activity against pests in the order of Lepidoptera (e.g., Alabama argillacea Hubner (cotton leaf worm), Archips argyrospila Walker (fruit tree leaf roller), A. rosana Linnaeus (European leaf roller) and other Archips species, Chilo suppressalis Walker (rice stem borer), Cnaphalocrosis medinalis Guenee (rice leaf roller), Crambus caliginosellus Clemens (corn root webworm), Crambus teterrellus Zincken (bluegrass webworm), Cydia pomonella Linnaeus (codling moth), Earias insulana Boisduval (spiny bollworm), Earias vittella Fabricius (spotted bollworm), Helicoveipa armigera H ⁇ bner (American bollworm), Helicoverpa zea Boddie (corn earworm), Heliothis virescens Fabricius (tobacco
  • E. Smith (fall armyworm), Trichoplusia ni H ⁇ bner (cabbage looper) and Tula absolutea Meyrick (tomato leafminer)).
  • Compounds of the present invention also have commercially significant activity on members from the order Homoptera including: Acyrthisiplionpisum Harris (pea aphid), Aphis craccivora Koch (cowpea aphid), Aphis fabae Scopoli (black bean aphid), Aphis gossypii Glover (cotton aphid, melon aphid), Aphis pomi De Geer (apple aphid), Aphis spiraecola Patch (spirea aphid), Aulacorthum solani Kaltenbach (foxglove aphid), Chaetosiphon fragaefolii Cockerell (strawberry aphid), Diuraphis noxia Kurdjumov/Mordvilko (Russian wheat a
  • Thysanoptera e.g., Frankliniella occidentalis Pergande (western flower thrip), Scirthoth ⁇ ps citri Moulton (citrus thrip), Sericothrips variabilis Beach (soybean thrip), and Thrips tabaci Lindeman (onion thrip); and the order Coleoptera (e.g., Leptinotarsa decemlineata Say (Colorado potato beetle), Epilachna varivestis Mulsant (Mexican bean beetle) and wireworms of the genera Agriotes, Athous or Limonius).
  • Thysanoptera e.g., Frankliniella occidentalis Pergande (western flower thrip), Scirthoth ⁇ ps citri Moulton (citrus thrip), Sericothrips variabilis Beach (soybean thrip), and Thrips tabaci Lindeman (onion thrip)
  • order Coleoptera
  • the compounds of general formula (I), their N-oxides, their isomers, their polymorphs and their salts are especially suitable for efficiently combating the following pests: Insects from the order of the lepidopterans (Lepidoptera), for example Agrotis ypsilon, Agrotis segetum, Alabama argillacea, Anticarsia gemmatalis, Argyresthia conjugella, Autographa gamma, Bupalus piniarius, Cacoecia murinana, Capua reticulana, Cheimatobia brumata, Chilo infuscatellus, Choristoneura fumiferana, Choristoneura occidentalis, Cirphis unipuncta, Cydia pomonella, Dendrolimus pini, Diaphania nitidalis, Diatraea grandiosella, Earias insulana, Earias vittella, Elasmopalpus lignosellus,
  • Beetles for example Agrilus sinuatus, Agriotes lineatus, Agriotes obscurus, Amphimallus solstitialis, Anisandrus dispar, Anthonomus grandis, Anthonomus pomorum, Aphthona euphoridae, Athous haemorrhoidalis, Atomaria linearis, Blastophagus piniperda, Blitophaga undata, Bruchus rufimanus, Bruchus pisorum, Bruchus lentis, Byctiscus betulae, Cassida nebulosa, Cerotoma trifurcata, Cetonia aurata, Ceuthorrhynchus assimilis, Ceuthorrhynchus napi, Chaetocnema tibialis, Conoderus vespertinus, Crioceris asparagi, Ctenicera ssp., Diabrotica longicornis, Diabrotica semipunc
  • Calotermes flavicollis Leucotermes flavipes, Heterotermes aureus, Reticulitermes flavipes, Reticulitermes virginicus, Reticulitermes lucifugus, Reticulitermes santonensis, Reticulitermes grassei, Termes natalensis, and Coptotermes formosanus; cockroaches (Blattaria Blattodea), e.g.
  • Blattella germanica Blattella asahinae, Periplaneta americana, Periplaneta japonica, Periplaneta brunnea, Periplaneta fuligginosa, Periplaneta australasiae, and Blatta orientalis; ants, bees, wasps, sawflies (Hymenoptera), e.g.
  • Atta cephalotes Atta capiguara, Atta cephalotes, Atta laevigata, Atta robusta, Atta sexdens, Atta texana, Crematogaster spp., Hoplocampa minuta, Hoplocampa testudinea, Lasius niger, Monomorium pharaonis, Solenopsis geminata, Solenopsis invicta, Solenopsis richteri, Solenopsis xyloni, Pogonomyrmex barbatus, Pogonomyrmex californicus, Pheidole megacephala, Dasymutilla occidentalis, Bombus spp., Vespula squamosa, Paravespula vulgaris, Paravespula pennsylvanica, Paravespula germanica, Dolichovespula maculata, Vespa crabro, Polistes rubiginosa, Campo
  • Narceus spp. Earwigs (Dermaptera), e.g. forficula auricularia, lice (Phthiraptera), e.g. Pediculus humanus capitis, Pediculus humanus corporis, Pthirus pubis, Haematopinus eurysternus, Haematopinus suis, Linognathus vituli, Bovicola bovis, Menopon allinae, Menacanthus stramineus and Solenopotes capillatus. Collembola (springtails), e.g. Onychiurus ssp.
  • the compounds of formula (I) of the present invention are also suitable for controlling Nematodes: plant parasitic nematodes such as root knot nematodes, Meloidogyne hapla, Meloidogyne incognita, Meloidogyne javanica, and other Meloidogyne species; cyst-forming nematodes, Globodera rostochiensis and other Globodera species; Heterodera avenae, Heterodera glycines, Heterodera schachtii, Heterodera trifolii, and other Heterodera species; Seed gall nematodes, Anguina species; Stem and foliar nematodes, Aphelenchoides species; Sting nematodes, Belonolaimus longicaudatus and other Belonolaimus species; Pine nematodes, Bursaphelenchus xylophilus and other Bursaphelenchus species; Ring
  • the compounds of general formula (I) and their salts are also useful for controlling arachnids (Arachnoidea), such as acarians (Acarina), e.g. of the families Argasidae, Ixodidae and Sarcoptidae, such as Amblyomma americanum, Amblyomma variegatum, Argas persicus, Boophilus annulatus, Boophilus decoloratus, Boophilus microplus, Dermacentor silvarum, Hyalomma truncatum, Ixodes ricinus, Ixodes rubicundus, Ornithodorus moubata, Otobius megnini, Dermanyssus gallinae, Psoroptes ovis, Rhipicephalus appendiculatus, Rhipicephalus evertsi, Sarcoptes scabiei, and Eriophyidae spp.
  • arachnoidea such as acar
  • Tetranychidae spp. such as Tetranychus cinnabarinus, Tetranychus kanzawai, Tetranychus pacificus, Tetranychus telarius and Tetranychus urticae, Panonychus ulmi, Panonychus citri, and oligonychus pratensis.
  • the present invention provides the compound of general formula (I) is useful for controlling insects selected form sucking or piercing insects such as insects from the genera Thysanoptera, Diptera and Hemiptera, in particular the following species:
  • Thysanoptera Frankliniella fusca, Frankliniella occidentalis, Frankliniella tritici, Scirtothrips citri, Thrips oryzae, Thrips palmi and Thrips tabaci, Diptera: Aedes aegypti, Aedes albopictus, Aedes vexans, Anastrepha ludens, Anopheles maculipennis, Anopheles crucians, Anopheles albimanus, Anopheles gambiae, Anopheles freeborni, Anopheles leucosphyrus, Anopheles minimus, Anopheles quadrimaculatus, Calliphora vicina, Ceratitis capitata, Chrysomya bezziana, Chrysomya hominivorax, Chrysomya macellaria, Chrysops discalis, Chrysops silacea, Chrysops atlanticus, Cochliomyia hominivorax,
  • Hemiptera in particular aphids: Acyrthosiphon onobrychis, Adelges laricis, Aphidula nasturtii, Aphis fabae, Aphis forbesi, Aphis pomi, Aphis gossypii, Aphis grossulariae, Aphis schneideri, Aphis spiraecola, Aphis sambuci, Acyrthosiphon pisum, Aulacorthum solani, Brachycaudus cardui, Brachycaudus helichrysi, Brachycaudus persicae, Brachycaudus prunicola, Brevicoryne brassicae, Capitophorus horni, Cerosipha gossypii, Chaetosiphon fragaefolii, Cryptomyzus ribis, Dreyfusia nordmannianae, Dreyfusia piceae, Dys
  • the present invention provides a composition comprising a biologically effective amount of the compound of general formula (I) and at least one additional biological active compatible compound selected from fungicides, insecticides, nematicides, acaricides, biopesticides, herbicides, plant growth regulators, antibiotics, fertilizers and nutrients.
  • the compounds used in the composition and in combination with the compound of general formula (I) are also termed as active compatible compounds.
  • the known and reported fungicides, insecticides, nematicides, acaricides, biopesticides, herbicides, plant growth regulators, antibiotics and nutrients can be combined with at least one compound of the general formula (I) of the present disclosure.
  • fungicides insecticides, nematicides, acaricides, biopesticides, herbicides, plant growth regulators, antibiotics, fertilizers and nutrients disclosed and reported in WO2016156129 and or WO2017153200 can be combined with at least one compound of general formula (I) of the present disclosure.
  • fungicides insecticides, nematicides, acaricides, biopesticides, herbicides, plant growth regulators, antibiotics, fertilizers and nutrients reported in WO2016156129 and or WO2017153200 are incorporated herein by way of reference as non-limiting examples to be combined with at least one compound of the general formula (I) of the present disclosure.
  • the compounds of the present invention can be mixed with at least one additional biological active compatible compound which includes but is not limited to insecticides, fungicides, nematocides, bactericides, acaricides, growth regulators such as rooting stimulants, chemosterilants, semiochemicals, repellents, attractants, pheromones, feeding stimulants, other biologically active compounds or entomopathogenic bacteria, virus or fungi to form a multi-component pesticide giving an even broader spectrum of agricultural utility.
  • additional biological active compatible compound which includes but is not limited to insecticides, fungicides, nematocides, bactericides, acaricides, growth regulators such as rooting stimulants, chemosterilants, semiochemicals, repellents, attractants, pheromones, feeding stimulants, other biologically active compounds or entomopathogenic bacteria, virus or fungi to form a multi-component pesticide giving an even broader spectrum of agricultural utility.
  • insecticides such as abamectin, acephate, acetamiprid, amidoflumet (S-1955), avermectin, azadirachtin, azinphos-methyl, bifenthrin, binfenazate, buprofezin, carbofuran, chlorfenapyr, chlorfluazuron, chlorpyrifos, chlorpyrif os -methyl, chromafenozide, clothianidin, cyfluthrin, beta-cyfluthrin, cyhalothrin, lambda-cyhalothrin, cypermethrin, cyromazine, delta ethrin, diafenthiuron, diazinon, diflubenzuron, dimethoate, diofenolan, emamectin, endosulfan, esfenvalerate, ethiprole, feno
  • fungicides such as acibenzolar, azoxystrobin, benomyl, blasticidin-S, Bordeaux mixture (tribasic copper sulfate), bromuconazole, carpropamid, captafol, captan, carbendazim, chloroneb, chlorothalonil, copper oxychloride, copper salts, cyflufenamid, cymoxanil, cyproconazole, cyprodinil, (S)-3,5-dichloro-N-(3- chloro-l-ethyl-l-methyl-2- oxopropyl)-4-methylbenzamide (RH 7281), diclocymet (S-2900), diclomezine, dicloran, difenoconazole, (S)-3,5- ⁇ hydro-5-me yl-2-(meylt o)-5-phenyl-3-(phenylarttino)-4H- imida
  • nematicides such as aldicarb, oxamyl and fenamiphos
  • bactericides such as streptomycin
  • acaricides such as amitraz, chinomethionat, chlorobenzilate, cyhexatin, dicofol, dienochlor, etoxazole, fenazaquin, fenbutatin oxide, fenpropathrin, fenpyroximate, hexythiazox, propargite, pyridaben and tebufenpyrad; and
  • Bacillus thuringiensis including ssp. aizawai and kurstaki, Bacillus thuringiensis delta endotoxin, baculovirus, and entomopathogenic bacteria, virus and fungi.
  • insecticides and acaricides for mixing with compounds of the present invention include pyrethroids such as cypermethrin, cyhalothrin, cyfluthrin and beta-cyfluthrin, esfenvalerate, fenvalerate and tralomethrin;
  • carbamates such as fenothicarb, methomyl, oxamyl and thiodicarb;
  • neonicotinoids such as clothianidin, imidacloprid and thiacloprid
  • neuronal sodium channel blockers such as indoxacarb
  • insecticidal macrocyclic lactones such as spinosad, abamectin, avermectin and emamectin
  • g-aminobutyric acid (GABA) antagonists such as endosulfan, ethiprole and fipronil;
  • insecticidal ureas such as flufenoxuron and triflumuron
  • juvenile hormone mimics such as diofenolan and pyriproxyfen
  • the biological agents for mixing with compounds of the present invention include Bacillus thuringiensis, Bacillus thuringiensis delta endotoxin as well as naturally occurring and genetically modified viral insecticides including members of the family Baculoviridae as well as entomophagous fungi.
  • compositions of the present invention can further comprise a biologically effective amount of at least one additional invertebrate pest control compounds or agents having a similar spectrum of control but a different mode of action.
  • a plant protection compound e.g., protein
  • a biologically effective amount of a compound of invention can also provide a broader spectrum of plant protection and be advantageous for resistance management.
  • the biologically effective amount of the compound of general formula (I) in the compositions ranges from 0.1 % to 99% by weight with respect to the total weight of the composition, preferably from 5 to 50% by weight with respect to the total weight of the composition.
  • the present invention furthermore provides a method of combating invertebrate pests, said method comprising contacting the invertebrate pests, their habitat, breeding ground, food supply, plant, seed, soil, area, material or environment in which the invertebrate pests are growing or may grow, or the materials, plants, seeds, soils, surfaces or spaces to be protected from pest attack or infestation with a biologically effective amount of the compound or the composition of the present invention.
  • Invertebrate pests are controlled and protection of agronomic, horticultural and specialty crops, animal and human health is achieved by applying one or more of the compounds of the present invention, in an effective amount, to the environment of the pests including the agronomic and/or nonagronomic locus of infestation, to the area to be protected, or directly on the pests to be controlled.
  • the present invention further comprises a method for the control of foliar- and soil-inhabiting invertebrates and protection of agronomic and/or nonagronomic crops, comprising contacting the invertebrates or their environment with a biologically effective amount of one or more of the compounds of the present invention, or with a composition comprising at least one such compound or a composition comprising at least one such compound and an effective amount of at least one additional biologically active compound or agent.
  • a preferred method of contact is by spraying.
  • a granular composition comprising a compound of the present invention can be applied to the plant foliage or the soil.
  • Compounds of the present invention are effective in delivery through plant uptake by contacting the plant with a composition comprising a compound of the present invention applied as a soil drench of a liquid formulation, a granular formulation to the soil, a nursery box treatment or a dip of transplants.
  • Other methods of contact include application of a compound or a composition of the present invention by direct and residual sprays, aerial sprays, seed coats, microencapsulations, systemic uptake, baits, eartags, boluses, foggers, fumigants, aerosols, dusts and many others.
  • the compounds of the present invention can be incorporated into baits that are consumed by the invertebrates or within devices such as traps and the like.
  • Granules or baits comprising between 0.01-5% active ingredient, 0.05-10% moisture retaining agent(s) and 40-99% vegetable flour are effective in controlling soil insects at very low application rates, particularly at doses of active ingredient that are lethal by ingestion rather than by direct contact.
  • the compounds of the present invention can be applied in their pure state, but most often application will be of a formulation comprising one or more compounds with suitable carriers, diluents, and surfactants and possibly in combination with a food depending on the contemplated end use.
  • a preferred method of application involves spraying a water dispersion or refined oil solution of the compounds.
  • Combinations with spray oils, spray oil concentrations, spreader stickers, adjuvants, other solvents, and synergists such as piperonyl butpxide often enhance compound efficacy.
  • the rate of application required for effective control i.e.“biologically effective amount” will depend on such factors as the species of invertebrate to be controlled, the pest's life cycle, life stage, its size, location, time of year, host crop or animal, feeding behavior, mating behavior, ambient moisture, temperature, and the like. Under normal circumstances, application rates of about 0.01 to 2 kg of active ingredient per hectare are sufficient to control pests in agronomic ecosystems, but as little as 0.0001 kg/ hectare may be sufficient or as much as 8 kg/hectare may be required.
  • contacting includes both direct contact (applying the compounds/compositions directly on the animal pest or plant typically to the foliage, stem or roots of the plant) and indirect contact (applying the compounds/compositions to the locus of the animal pest or plant).
  • the compounds of the present invention or the pesticidal compositions comprising them may be used to protect growing plants and crops from attack or infestation by animal pests, especially insects, acaridae or arachnids by contacting the plant/crop with a pesticidally effective amount of at least one compound of the present invention.
  • the term“crop” refers both to growing and harvested crops.
  • the present invention provides a method for protecting crops from attack or infestation by invertebrate pests, which comprises contacting the crop with a biologically effective amount of the compound or the composition of the present invention, isomer, polymorph, N-oxide or salt thereof.
  • the compounds of the present invention are employed as such or in form of compositions by treating the insects or the plants, plant propagation materials, such as seeds, soil, surfaces, materials or rooms to be protected from insecticidal attack with insecticidally effective amount of the active compounds.
  • the application can be carried out both before and after the infection of the plants, plant propagation materials, such as seeds, soil, surfaces, materials or rooms by the insects.
  • the present invention provides to a method for the protection of seeds from soil insects and of the seedlings roots and shoots from soil and foliar insects comprising contacting the seeds before sowing and/or after pre-germination with the compound or the composition of the present invention, N-oxide or salt thereof.
  • the present invention provides a method for treating or protecting animals against infestation or infection by parasites which comprises orally, topically or parenterally administering or applying to the animals a biologically effective amount of compound or composition of the present invention, isomer, polymorph, N-oxide or veterinary acceptable salt thereof.
  • the rate of application (applying effective dosages) of the compound of the present invention may be in the range of 1 gai to 5000 gai per hectare in agricultural or horticultural crops, preferably from 25 g to 600 g per hectare, more preferably from 50 g to 500 g per hectare.
  • the compounds and the compositions of the present invention are particularly useful in the control of a multitude of insects on various cultivated plants, such as cereal, root crops, oil crops, vegetables, spices, ornamentals, for example seed of durum and other wheat, barley, oats, rye, maize (fodder maize and sugar maize / sweet and field corn), soybeans, oil crops, crucifers, cotton, sunflowers, bananas, rice, oilseed rape, turnip rape, sugarbeet, fodder beet, eggplants, potatoes, grass, lawn, turf, fodder grass, tomatoes, leeks, pumpkin/squash, cabbage, iceberg lettuce, pepper, cucumbers, melons, Brassica species, melons, beans, peas, garlic, onions, carrots, tuberous plants such as potatoes, sugar cane, tobacco, grapes, petunias, geranium/pelargoniums, pansies and impatiens.
  • the compound or the composition of the present invention are useful in protecting agricultural crops such as cereals, corn, rice, soybean and other leguminous plants, fruits and fruit trees, grapes, nuts and nut trees, citrus and citrus trees, any horticultural plants, cucurbitaceae, oleaginous plants, tobacco, coffee, tea, cacao, sugar beet, sugar cane, cotton, potato, tomato, onions, peppers and other vegetables, and ornamentals.
  • agricultural crops such as cereals, corn, rice, soybean and other leguminous plants, fruits and fruit trees, grapes, nuts and nut trees, citrus and citrus trees, any horticultural plants, cucurbitaceae, oleaginous plants, tobacco, coffee, tea, cacao, sugar beet, sugar cane, cotton, potato, tomato, onions, peppers and other vegetables, and ornamentals.
  • the compounds of the present invention are effective through both contact (via soil, glass, wall, bed net, carpet, plant parts or animal parts), and ingestion (bait or plant part).
  • the compounds of the present invention may also be applied against non-crop invertebrate pests, such as ants, termites, wasps, flies, mosquitos, crickets, or cockroaches.
  • non-crop invertebrate pests such as ants, termites, wasps, flies, mosquitos, crickets, or cockroaches.
  • compounds of the present invention are preferably used in a bait composition.
  • the bait can be a liquid, a solid or a semisolid preparation (e.g. a gel).
  • Solid baits can be formed into various shapes and forms suitable to the respective application e.g. granules, blocks, sticks, disks.
  • Liquid baits can be filled into various devices to ensure proper application, e.g. open containers, spray devices, droplet sources, or evaporation sources.
  • Gels can be based on aqueous or oily matrices and can be formulated to particular necessities in terms of stickyness, moisture retention or aging characteristics.
  • the bait employed in the composition is a product, which is sufficiently attractive to incite insects such as ants, termites, wasps, flies, mosquitos, crickets etc. or cockroaches to eat it.
  • Food stimulants are chosen, for example, but not exclusively, from animal and/or plant proteins (meat-, fishor blood meal, insect parts, egg yolk), from fats and oils of animal and/or plant origin, or mono-, oligoor polyorganosaccharides, especially from sucrose, lactose, fructose, dextrose, glucose, starch, pectin or even molasses or honey. Fresh or decaying parts of fruits, crops, plants, animals, insects or specific parts thereof can also serve as a feeding stimulant. Sex pheromones are known to be more insect specific. Specific pheromones are described in the literature and are known to those skilled in the art.
  • the typical content of active ingredient is from 0.001 weight % to 15 weight %, desirably from 0.001 weight % to 5% weight % of active compound.
  • Formulations of compounds of the present invention as aerosols are highly suitable for the non-professional user for controlling pests such as flies, fleas, ticks, mosquitos or cockroaches.
  • Aerosol recipes are preferably composed of the active compound, solvents such as lower alcohols (e.g. methanol, ethanol, propanol, butanol), ketones (e.g. acetone, methyl ethyl ketone), paraffin hydrocarbons (e.g.
  • kerosenes having boiling ranges of approximately 50 to 250 °C, dimethylformamide, N-methylpyrrolidone, dimethyl sulfoxide, aromatic hydrocarbons such as toluene, xylene, water, furthermore auxiliaries such as emulsifiers such as sorbitol monooleate, oleyl ethoxylate having 3-7 mol of ethylene oxide, fatty alcohol ethoxylate, perfume oils such as ethereal oils, esters of medium fatty acids with lower alcohols, aromatic carbonyl compounds, if appropriate stabilizers such as sodium benzoate, amphoteric surfactants, lower epoxides, triethyl orthoformate and, if required, propellants such as propane, butane, nitrogen, compressed air, dimethyl ether, carbon dioxide, nitrous oxide, or mixtures of these gases.
  • emulsifiers such as sorbitol monooleate, oleyl ethoxylate having 3-7 mol of
  • the oil spray formulations differ from the aerosol recipes in that no propellants are used.
  • the content of active ingredient is from 0.001 to 80 weights %, preferably from 0.01 to 50 weight % and most preferably from 0.01 to 15 weight %.
  • the compounds of the present invention and their respective compositions can also be used in mosquito and fumigating coils, smoke cartridges, vaporizer plates or long-term vaporizers and also in moth papers, moth pads or other heat-independent vaporizer systems.
  • insects e.g. malaria, dengue and yellow fever, lymphatic filariasis, and leishmaniasis
  • compounds of general formula (I) and its respective compositions also comprise treating surfaces of huts and houses, air spraying and impregnation of curtains, tents, clothing items, bed nets, tsetse-fly trap or the like.
  • Insecticidal compositions for application to fibers, fabric, knitgoods, nonwovens, netting material or foils and tarpaulins preferably comprise a mixture including the insecticide, optionally a repellent and at least one binder.
  • Suitable repellents for example are N,N-diethyl-meta-toluamide (DEET), N,N-diethylphenylacetamide (DEPA), 1 - (3-cyclohexan-1-yl-carbonyl)-2-methylpiperine, (2hydroxymethylcyclohexyl) acetic acid lactone, 2-ethyl- 1 ,3-hexandiol, indalone, Methylneodecanamide (MNDA), a pyrethroid not used for insect control such as ⁇ (+/-)-3-allyl-2-methyl4-oxocyclopent-2-(+)-enyl-(+)-trans-chrysantemate (Esbiothrin), a repellent derived from or identical with plant extracts like limonene, eugenol, (+)-Eucamalol (1 ), (-)-l-epi- eucamalol or crude plant extracts from plants like Eucal
  • Suitable binders are selected for example from polymers and copolymers of vinyl esters of aliphatic acids (such as such as vinyl acetate and vinyl versatate), acrylic and methacrylic esters of alcohols, such as butyl acrylate, 2- ethylhexylacrylate, and methyl acrylate, monoand di-ethylenically unsaturated hydrocarbons, such as styrene, and aliphatic diens, such as butadiene.
  • vinyl esters of aliphatic acids such as such as vinyl acetate and vinyl versatate
  • acrylic and methacrylic esters of alcohols such as butyl acrylate, 2- ethylhexylacrylate, and methyl acrylate
  • monoand di-ethylenically unsaturated hydrocarbons such as styrene
  • aliphatic diens such as butadiene.
  • the impregnation of curtains and bednets is done in general by dipping the textile material into emulsions or dispersions of the insecticide or spraying them onto the nets.
  • the compounds of the present invention and their compositions can be used for protecting wooden materials such as trees, board fences, sleepers, etc. and buildings such as houses, outhouses, factories, but also construction materials, furniture, leathers, fibers, vinyl articles, electrie wires and cables etc. from ants and/or termites, and for controlling ants and termites from doing harm to crops or human being (e.g. when the pests invade into houses and public facilities).
  • the compounds of the present invention are applied not only to the surrounding soil surface or into the under-floor soil in order to protect wooden materials but it can also be applied to lumbered articles such as surfaces of the under-floor concrete, alcove posts, beams, plywoods, furniture, etc., wooden articles such as particle boards, half boards, etc. and vinyl articles such as coated electric wires, vinyl sheets, heat insulating material such as styrene foams, etc.
  • a compound of the present invention is applied to the crops or the surrounding soil, or is directly applied to the nest of ants or the like.
  • the present invention further provides a treated seed comprising the compounds of the present invention, particularly in an amount ranging from about 0.0001% to about 1% by weight of the seed before treatment.
  • the compounds of the present invention are also suitable for the treatment of seeds in order to protect the seed from insect pest, in particular from soil-living insect and mite pests and the resulting plant's roots and shoots against soil pests and foliar insects.
  • the compounds of the present invention are particularly useful for the protection of the seed from soil pests and the resulting plant's roots and shoots against soil pests and foliar insects.
  • the protection of the resulting plant's roots and shoots is preferred. More preferred is the protection of resulting plant's shoots from piercing and sucking insects, wherein the protection from aphids is most preferred.
  • the present invention therefore comprises a method for the protection of seeds from insects, in particular from soil insects and of the seedlings roots and shoots from insects, in particular from soil and foliar insects, said method comprising contacting the seeds before sowing and/or after pregermination with a compound of the present invention thereof.
  • a method wherein the plant's roots and shoots are protected, more preferably a method, wherein the plants shoots are protected form piercing and sucking insects, most preferably a method, wherein the plants shoots are protected from aphids.
  • seed embraces seeds and plant propagules of all kinds including but not limited to true seeds, seed pieces, suckers, corms, bulbs, fruit, tubers, grains, cuttings, cut shoots and the like and means in a preferred embodiment true seeds.
  • seed treatment comprises all suitable seed treatment techniques known in the art, such as seed dressing, seed coating, seed dusting, seed soaking and seed pelleting.
  • the present invention also comprises seeds coated with or containing the active compound.
  • the seeds can be coated with seed coating compositions containing the compounds of the present invention.
  • seed coating compositions reported in EP3165092, EP3158864, WO2016198644, WO2016039623, WO2015192923, CA2940002, US2006150489, US2004237395, WO2011028115, EP2229808, WO2007067042, EP1795071, EP1273219, WO200178507, EP1247436, NL1012918 and CA2083415.
  • the term“coated with and/or containing” generally signifies that the active ingredient is for the most part on the surface of the propagation product at the time of application, although a greater or lesser part of the ingredient may penetrate into the propagation product, depending on the method of application. When the propagation product is (re)planted, it may absorb the active ingredient.
  • Suitable seed is seed of cereals, root crops, oil crops, vegetables, spices, ornamentals, for example seed of durum and other wheat, barley, oats, rye, maize (fodder maize and sugar maize / sweet and field corn), soybeans, oil crops, crucifers, cotton, sunflowers, bananas, rice, oilseed rape, turnip rape, sugarbeet, fodder beet, eggplants, potatoes, grass, lawn, turf, fodder grass, tomatoes, leeks, pumpkin/squash, cabbage, iceberg lettuce, pepper, cucumbers, melons, Brassica species, melons, beans, peas, garlic, onions, carrots, tuberous plants such as potatoes, sugar cane, tobacco, grapes, petunias, geranium/pelargoniums, pansies and impatiens.
  • the compounds of the present invention may be used for treating seed from plants, which tolerate the action of herbicides or fungicides or insecticides owing to breeding, including genetic engineering methods.
  • the compound of the present invention can be employed in treatment of seeds from plants, which are resistant to herbicides from the group consisting of the sulfonylureas, imidazolinones, glufosinate-ammonium or glyphosate-isopropylammonium and analogous active substances (see for example, EP242236, EP242246) (WO92/00377) (EP257993, US5013659) or in transgenic crop plants, for example cotton, with the capability of producing Bacillus thuringiensis toxins (Bt toxins) which make the plants resistant to certain pests (EP142924, EP193259),
  • the compound of the present invention can be used for the treatment of seed from plants, which have modified characteristics in comparison with existing plants consist, which can be generated for example by traditional breeding methods and/or the generation of mutants, or by recombinant procedures).
  • a number of cases have been described of recombinant modifications of crop plants for the purpose of modifying the starch synthesized in the plants (e.g. WO92/11376, WO92/14827, WO91/19806) or of transgenic crop plants having a modified fatty acid composition (WO91/13972).
  • the seed treatment application of the compound of the present invention is carried out by spraying or by dusting the seeds before sowing of the plants and before emergence of the plants.
  • compositions which are especially useful for seed treatment are e.g.:
  • Soluble concentrates (SL, LS)
  • Emulsions EW, EO, ES
  • Conventional seed treatment formulations include for example flowable concentrates FS, solutions LS, powders for dry treatment DS, water dispersible powders for slurry treatment WS, water-soluble powders SS and emulsion ES and EC and gel formulation GF. These formulations can be applied to the seed diluted or undiluted. Application to the seeds is carried out before sowing, either directly on the seeds or after having pregerminated the latter.
  • a FS formulation is used for seed treatment.
  • a FS formulation may comprise 1-800 g/l of active ingredient, 1-200 g/l Surfactant, 0 to 200 g/l antifreezing agent, 0 to 400 g/l of binder, 0 to 200 g/l of a pigment and up to 1 liter of a solvent, preferably water.
  • Especially FS formulations of compounds of the present invention for seed treatment usually comprise from 0.1 to 80% by weight (1 to 800 g/l) of the active ingredient, from 0.1 to 20 % by weight (1 to 200 g/l) of at least one surfactant, e.g.0.05 to 5 % by weight of a wetter and from 0.5 to 15 % by weight of a dispersing agent, up to 20 % by weight, e.g.
  • an anti-freeze agent from 5 to 20 % of an anti-freeze agent, from 0 to 15 % by weight, e.g.1 to 15 % by weight of a pigment and/or a dye, from 0 to 40 % by weight, e.g.1 to 40 % by weight of a binder (sticker /adhesion agent), optionally up to 5 % by weight, e.g. from 0.1 to 5 % by weight of a thickener, optionally from 0.1 to 2 % of an anti-foam agent, and optionally a preservative such as a biocide, antioxidant or the like, e.g. in an amount from 0.01 to 1 % by weight and a filler/vehicle up to 100 % by weight.
  • a binder sticker /adhesion agent
  • a preservative such as a biocide, antioxidant or the like, e.g. in an amount from 0.01 to 1 % by weight and a filler/
  • Seed treatment formulations may additionally comprise binders and optionally colorants.
  • Binders can be added to improve the adhesion of the active materials on the seeds after treatment.
  • Suitable binders are homoand copolymers from alkylene oxides like ethylene oxide or propylene oxide, polyvinylacetate, polyvinylalcohols, polyvinylpyrrolidones, and copolymers thereof, ethylene-vinyl acetate copolymers, acrylic homoand copolymers, polyethyleneamines, polyethyleneamides and polyethylenepyrimidines, polysaccharides like celluloses, tylose and starch, polyolefin homoand copolymers like olefin/maleic anhydride copolymers, polyurethanes, polyesters, polystyrene homo and copolymers
  • colorants can be included in the formulation. Suitable colorants or dyes for seed treatment formulations are Rhodamin B, C.I. Pigment Red 1 12, C.I. Solvent Red 1 , pigment blue 15:4, pigment blue 15:3, pigment blue 15:2, pigment blue 15:1 , pigment blue 80, pigment yellow 1 , pigment yellow 13, pigment red 112, pigment red 48:2, pigment red 48:1 , pigment red 57:1 , pigment red 53:1 , pigment orange 43, pigment orange 34, pigment orange 5, pigment green 36, pigment green 7, pigment white 6, pigment brown 25, basic violet 10, basic violet 49, acid red 51 , acid red 52, acid red 14, acid blue 9, acid yellow 23, basic red 10, basic red 108.
  • gelling agent is carrageen (Satiagel ® ).
  • the application rates of the compounds of the present invention are generally from 0.1 g to 10 kg per 100 kg of seed, preferably from 1 g to 5 kg per 100 kg of seed, more preferably from 1 g to 1000 g per 100 kg of seed and in particular from 1 g to 200 g per 100 kg of seed.
  • the present invention therefore also provides to seed comprising a compound of general formula (I), or an agriculturally useful salt of I, as defined herein.
  • the amount of the compound I or the agriculturally useful salt thereof will in general vary from 0.1 g to 10 kg per 100 kg of seed, preferably from 1 g to 5 kg per 100 kg of seed, in particular from 1 g to 1000 g per 100 kg of seed. For specific crops such as lettuce the rate can be higher.
  • the present invention also provides an agricultural and/or veterinary composition comprising at least one compound of the present invention.
  • the present invention still further relates to a use of the compound, N-oxide or veterinarily acceptable salt thereof or the composition of the present invention, for the preparation of a medicament for treating or protecting animals against infestation or infection by invertebrate pests or parasites.
  • the compounds of general formula (I), their N-oxides and/or veterinarily acceptable salts thereof are in particular also suitable for being used for combating parasites in and on animals.
  • One object of the present invention is therefore to provide new methods to control parasites in and on animals. Another object of the present invention is to provide safer pesticides for animals. Another object of the present invention is to provide pesticides for animals that may be used in lower doses than existing pesticides. Another object of the present invention is to provide pesticides for animals, which provide a long residual control of parasites.
  • the present invention also relates to compositions containing a parasiticidally effective amount of at least one compound of general formula (I), N-oxide or veterinarily acceptable salt thereof and an acceptable carrier, for combating parasites in and on animals.
  • the present invention also provides a method for treating, controlling, preventing and protecting animals against infestation and infection by parasites, which comprises orally, topically, or parenteral administering or applying to the animals a parasiticidally effective amount of a compound of the present invention or a composition comprising it.
  • the present invention also provides a process for the preparation of a composition for treating, controlling, preventing or protecting animals against infestation or infection by parasites which comprises a parasiticidally effective amount of a compound of the present invention or a composition comprising it.
  • Activity of compounds against agricultural pests does not suggest their suitability for control of endoand ectoparasites in and on animals which requires, for example, low, non-emetic dosages in the case of oral application, metabolic compatibility with the animal, low toxicity, and a safe handling.
  • Compounds of the present invention and compositions comprising them are preferably used for controlling and preventing infestations and infections animals including warm-blooded animals (including humans) and fish. They are for example suitable for controlling and preventing infestations and infections in mammals such as cattle, sheep, swine, camels, deer, horses, pigs, poultry, rabbits, goats, dogs and cats, water buffalo, donkeys, fallow deer and reindeer, and also in fur-bearing animals such as mink, chinchilla and raccoon, birds such as hens, geese, turkeys and ducks and fish such as freshand salt- water fish such as trout, carp and eels.
  • mammals such as cattle, sheep, swine, camels, deer, horses, pigs, poultry, rabbits, goats, dogs and cats, water buffalo, donkeys, fallow deer and reindeer
  • fur-bearing animals such as mink, chinchilla and raccoon
  • birds such
  • Compounds of the present invention and compositions comprising them are preferably used for controlling and preventing infestations and infections in domestic animals, such as dogs or cats.
  • Infestations in warm-blooded animals and fish include, but are not limited to, lice, biting lice, ticks, nasal bots, keds, biting flies, muscoid flies, flies, myiasitic fly larvae, chiggers, gnats, mosquitoes and fleas.
  • the compounds of the present invention and compositions comprising them are suitable for systemic and/or non-systemic control of ectoand/or endoparasites. They can be active against all or some stages of development.
  • the compounds of the present invention are especially useful for combating ectoparasites.
  • the compounds of the present invention are especially useful for combating parasites of the following orders and species, respectively: fleas (Siphonaptera), e.g. Ctenocephalides felis, Ctenocephalides cams, Xenopsylla cheopis, Pulex irritans, Tunga penetrans, and Nosopsyllus fasciatus, cockroaches (Blattaria Blattodea), e.g.
  • Blattella germanica Blattella asahinae, Periplaneta americana, Periplaneta japonica, Periplaneta brunnea, Periplaneta fuligginosa, Periplaneta australasiae, and Blatta orientalis, flies, mosquitoes (Diptera), e.g.
  • Pediculus humanus capitis Pediculus humanus corporis, Pthirus pubis, Haematopinus eurysternus, Haematopinus suis, Linognathus vituli, Bovicola bovis, Menopon gallinae, Menacanthus stramineus and Solenopotes capillatus. ticks and parasitic mites (Parasitiformes): ticks (Ixodida), e.g.
  • Anoplurida e.g. Haematopinus spp., Linognathus spp., Pediculus spp., Phtirus spp., and Solenopotes spp, Mallophagida (suborders Arnblycerina and Ischnocerina), e.g. Trimenopon spp., Menopon spp., Trinoton spp., Bovicola spp., Werneckiella spp., Lepikentron spp., Trichodectes spp., and Felicola spp.
  • Anoplurida e.g. Haematopinus spp., Linognathus spp., Pediculus spp., Phtirus spp., and Solenopotes spp, Mallophagida (suborders Arnblycerina and Ischnocerina), e.g. Trimenopon spp
  • Wipeworms and Trichinosis Trichosyringida
  • Trichinellidae Trichinella spp.
  • Trichuridae Trichuris spp.
  • Capillaria spp Rhabditida, e.g. Rhabditis spp, Strongyloides spp., Helicephalobus spp, Strongylida, e.g. Strongylus spp., Ancylostoma spp., Necator americanus, Bunostomum spp.
  • Trichostrongylus spp. Haemonchus contortus., Ostertagia spp., Cooperia spp., Nematodirus spp., Dictyocaulus spp., Cyathostoma spp., Oesophagostomum spp., Stephanurus dentatus, Ollulanus spp., Chabertia spp., Stephanurus dentatus , Syngamus trachea, Ancylostoma spp., Uncinaria spp., Globocephalus spp., Necator spp., Metastrongylus spp., Muellerius capillaris, Protostrongylus spp., Angiostrongylus spp., Parelaphostrongylus spp.
  • Faciola spp. Fascioloides magna, Paragonimus spp., Dicrocoelium spp., Fasciolopsis buski, Clonorchis sinensis, Schistosoma spp., Trichobilharzia spp., Alaria a lata, Paragonimus spp., and Nanocyetes spp, Cercomeromorpha, in particular Cestoda (Tapeworms), e.g.
  • Diphyllobothrium spp. Diphyllobothrium spp., Tenia spp., Echinococcus spp., Dipylidium caninum, Multiceps spp., Hymenolepis spp., Mesocestoides spp., Vampirolepis spp., Moniezia spp., Anoplocephala spp., Sirometra spp., Anoplocephala spp., and Hymenolepis spp.
  • the compounds of general formula (I) and compositions containing them are particularly useful for the control of pests from the orders Diptera, Siphonaptera and Ixodida.
  • the compounds of the present invention also are especially useful for combating endoparasites (roundworms nematoda, thorny headed worms and planarians).
  • Administration can be carried out both prophylactically and therapeutically.
  • Administration of the compounds of the present invention is carried out directly or in the form of suitable preparations, orally, topically/dermally or parenterally.
  • compounds of the present invention may be formulated as animal feeds, animal feed premixes, animal feed concentrates, pills, solutions, pastes, suspensions, drenches, gels, tablets, boluses and capsules.
  • the compounds of the present invention may be administered to the animals in their drinking water.
  • the dosage form chosen should provide the animal with 0.01 mg/kg to 100 mg/kg of animal body weight per day of the compound of the present invention, preferably with 0.5 mg/kg to 100 mg/kg of animal body weight per day.
  • the compounds of the present invention may be administered to animals parenterally, for example, by intraruminal, intramuscular, intravenous or subcutaneous injection.
  • the compounds of the present invention may be dispersed or dissolved in a physiologically acceptable carrier for subcutaneous injection.
  • the compounds of the present invention may be formulated into an implant for subcutaneous administration.
  • the compound of the present invention may be transdermally administered to animals.
  • the dosage form chosen should provide the animal with 0.01 mg/kg to 100 mg/kg of animal body weight per day of the compound of the present invention.
  • the compounds of the present invention may also be applied topically to the animals in the form of dips, dusts, powders, collars, medallions, sprays, shampoos, spot-on and pour-on formulations and in ointments or oil-in-water or water-in-oil emulsions.
  • dips and sprays usually contain 0.5 ppm to 5,000 ppm and preferably 1 ppm to 3,000 ppm of the compound of the present invention.
  • the compounds of the present invention may be formulated as ear tags for animals, particularly quadrupeds such as cattle and sheep.
  • Suitable preparations are: Solutions such as oral solutions, concentrates for oral administration after dilution, solutions for use on the skin or in body cavities, pouring-on formulations, gels; Emulsions and suspensions for oral or dermal administration; semi-solid preparations; Formulations in which the active compound is processed in an ointment base or in an oil-inwater or water-in-oil emulsion base; Solid preparations such as powders, premixes or concentrates, granules, pellets, tablets, boluses, capsules; aerosols and inhalants, and active compound-containing shaped articles.
  • compositions suitable for injection are prepared by dissolving the active ingredient in a suitable solvent and optionally adding further ingredients such as acids, bases, buffer salts, preservatives, and solubilizers.
  • the solutions are filtered and filled sterile.
  • Suitable solvents are physiologically tolerable solvents such as water, alkanols such as ethanol, butanol, benzyl alcohol, glycerol, propylene glycol, polyethylene glycols, N-methylpyrrolidone, 2-pyrrolidone, and mixtures thereof.
  • the active compounds can optionally be dissolved in physiologically tolerable vegetable or synthetic oils which are suitable for injection.
  • Suitable solubilizers are solvents which promote the dissolution of the active compound in the main solvent or prevent its precipitation.
  • examples are polyvinylpyrrolidone, polyvinyl alcohol, polyoxyethylated castor oil, and polyoxyethylated sorbitan ester.
  • Suitable preservatives are benzyl alcohol, trichlorobutanol, p-hydroxybenzoic acid esters, and n-butanol.
  • Oral solutions are administered directly. Concentrates are administered orally after prior dilution to the use concentration. Oral solutions and concentrates are prepared according to the state of the art and as described above for injection solutions, sterile procedures not being necessary.
  • Solutions for use on the skin are trickled on, spread on, rubbed in, sprinkled on or sprayed on.
  • Solutions for use on the skin are prepared according to the state of the art and according to what is described above for injection solutions, sterile procedures not being necessary.
  • solvents are polypropylene glycol, phenyl ethanol, phenoxy ethanol, ester such as ethyl or butyl acetate, benzyl benzoate, ethers such as alkyleneglycol alkylether, e.g. dipropylenglycol monomethylether, ketons such as acetone, methylethylketone, aromatic hydrocarbons, vegetable and synthetic oils, dimethylformamide, dimethylacetamide, transcutol, solketal, propylencarbonate, and mixtures thereof.
  • alkyleneglycol alkylether e.g. dipropylenglycol monomethylether
  • ketons such as acetone, methylethylketone
  • aromatic hydrocarbons such as acetone, methylethylketone
  • vegetable and synthetic oils dimethylformamide, dimethylacetamide, transcutol, solketal, propylencarbonate, and mixtures thereof.
  • thickeners are inorganic thickeners such as bentonites, colloidal silicic acid, aluminium monostearate, organic thickeners such as cellulose derivatives, polyvinyl alcohols and their copolymers, acrylates and methacrylates.
  • Gels are applied to or spread on the skin or introduced into body cavities. Gels are prepared by treating solutions which have been prepared as described in the case of the injection solutions with sufficient thickener that a clear material having an ointment-like consistency results.
  • the thickeners employed are the thickeners given above.
  • Pour-on formulations are poured or sprayed onto limited areas of the skin, the active compound penetrating the skin and acting systemically.
  • Pour-on formulations are prepared by dissolving, suspending or emulsifying the active compound in suitable skin-compatible solvents or solvent mixtures. If appropriate, other auxiliaries such as colorants, bioabsorption-promoting substances, antioxidants, light stabilizers, adhesives are added.
  • Suitable solvents which are for example, water, alkanols, glycols, polyethylene glycols, polypropylene glycols, glycerol, aromatic alcohols such as benzyl alcohol, phenylethanol, phenoxyethanol, esters such as ethyl acetate, butyl acetate, benzyl benzoate, ethers such as alkylene glycol alkyl ethers such as dipropylene glycol monomethyl ether, diethylene glycol mono-butyl ether, ketones such as acetone, methyl ethyl ketone, cyclic carbonates such as propylene carbonate, ethylene carbonate, aromatic and/or aliphatic hydrocarbons, vegetable or synthetic oils, DMF, dimethylacetamide, n-alkylpyrrolidones such as methylpyrrolidone, n-butylpyrrolidone or noctylpyrrolidone, N-methylpyrrolidone, 2-pyrrolidon
  • Suitable colorants are for example, all colorants permitted for use on animals and which can be dissolved or suspended.
  • Suitable absorption-promoting substances are for example, dimethyl sulfoxide, spreading oils such as isopropyl myristate, dipropylene glycol pelargonate, silicone oils and copolymers thereof with polyethers, fatty acid esters, triglycerides or fatty alcohols.
  • Suitable antioxidants are for example, sulfites or metabisulfites such as potassium metabisulfite, ascorbic acid, butylhydroxytoluene, butylhydroxyanisole or tocopherol.
  • Suitable light stabilizers are for example, novantisolic acid.
  • Suitable adhesives are, for example, cellulose derivatives, starch derivatives, polyacrylates or natural polymers such as alginates, gelatin.
  • Emulsions can be administered orally, dermally or as injections. Emulsions are either of the water-in-oil type or of the oil-in-water type.
  • Suitable hydrophobic phases (oils) are:
  • Suitable hydrophilic phases are: water, alcohols such as propylene glycol, glycerol, sorbitol and mixtures thereof.
  • Suitable emulsifiers are for example, non-ionic surfactants, e.g. polyethoxylated castor oil, polyethoxylated sorbitan monooleate, sorbitan monostearate, glycerol monostearate, polyoxyethyl stearate, alkylphenol polyglycol ether; ampholytic surfactants such as di-sodium N-lauryl-p- iminodipropionate or lecithin.
  • Suitable anionic surfactants are for example, sodium lauryl sulfate, fatty alcohol ether sulfates, mono/dialkyl polyglycol ether orthophosphoric acid ester monoethanolamine salt; suitable cation-active surfactants are cetyltrimethylammonium chloride.
  • Suitable further auxiliaries are for example, substances which enhance the viscosity and stabilize the emulsion, such as carboxymethylcellulose, methylcellulose and other cellulose and starch derivatives, polyacrylates, alginates, gelatin, gum arabic, polyvinylpyrrolidone, polyvinyl alcohol, copolymers of methyl vinyl ether and maleic anhydride, polyethylene glycols, waxes, colloidal silicic acid or mixtures of the substances mentioned.
  • Suspensions can be administered orally or topically/dermally. They are prepared by suspending the active compound in a suspending agent, if appropriate with addition of other auxiliaries such as wetting agents, colorants, bioabsorption-promoting substances, preservatives, antioxidants, light stabilizers.
  • Liquid suspending agents are all homogeneous solvents and solvent mixtures.
  • Suitable wetting agents are the emulsifiers given above.
  • Semi-solid preparations can be administered orally or topically/dermally. They differ from the suspensions and emulsions described above only by their higher viscosity.
  • the active compound is mixed with suitable excipients, if appropriate with addition of auxiliaries, and brought into the desired form.
  • Suitable excipients are all physiologically tolerable solid inert substances. Those used are inorganic and organic substances. Inorganic substances are, for example, sodium chloride, carbonates such as calcium carbonate, hydrogencarbonates, aluminium oxides, titanium oxide, silicic acids, argillaceous earths, precipitated or colloidal silica, or phosphates. Organic substances are, for example, sugar, cellulose, foodstuffs and feeds such as milk powder, animal meal, grain meals and shreds, starches.
  • auxiliaries are preservatives, antioxidants, and/or colorants which have been mentioned above.
  • Other suitable auxiliaries are lubricants and glidants such as magnesium stearate, stearic acid, talc, bentonites, disintegration-promoting substances such as starch or crosslinked polyvinylpyrrolidone, binders such as starch, gelatin or linear polyvinylpyrrolidone, and dry binders such as microcrystalline cellulose.
  • parasiticidally effective amount means the amount of active ingredient needed to achieve an observable effect on growth, including the effects of necrosis, death, retardation, prevention, and removal, destruction, or otherwise diminishing the occurrence and activity of the target organism.
  • the parasiticidally effective amount can vary for the various compounds/compositions used in the present invention.
  • a parasiticidally effective amount of the compositions will also vary according to the prevailing conditions such as desired parasiticidal effect and duration, target species, mode of application, and the like.
  • the compositions which can be used in the present invention generally comprise from about 0.001 to 95% of the compound of the present invention.
  • Ready-to-use preparations contain the compounds acting against parasites, preferably ectoparasites, in concentrations of 10 ppm to 80 per cent by weight, preferably from 0.1 to 65 per cent by weight, more preferably from 1 to 50 per cent by weight, most preferably from 5 to 40 per cent by weight.
  • Preparations are diluted before use contains the compounds acting against ectoparasites in concentrations of 0.5 to 90 per cent by weight, preferably of 1 to 50 per cent by weight.
  • the preparations comprise the compounds of the present invention against endoparasites in concentrations of 10 ppm to 2 per cent by weight, preferably of 0.05 to 0.9 per cent by weight, very particularly preferably of 0.005 to 0.25 per cent by weight.
  • compositions comprising the compounds of the present invention are applied dermally/topically.
  • the topical application is conducted in the form of compound-containing shaped articles such as collars, medallions, ear tags, bands for fixing at body parts, and adhesive strips and foils.
  • solid formulations which release compounds of the present invention in total amounts of 10 mg/kg to 300 mg/kg, preferably 20 mg/kg to 200 mg/kg, most preferably 25 mg/kg to 160 mg/kg body weight of the treated animal in the course of three weeks.
  • thermoplastic and flexible plastics as well as elastomers and thermoplastic elastomers are used.
  • Suitable plastics and elastomers are polyvinyl resins, polyurethane, polyacrylate, epoxy resins, cellulose, cellulose derivatives, polyamides and polyester which are sufficiently compatible with the compounds of the present invention.
  • a detailed list of plastics and elastomers as well as preparation procedures for the shaped articles is given e.g. in WO 2003086075.
  • the compounds of the present invention not only control insect and mite pests effectively but also show positive crop response such as plant growth enhancement effects like enhanced root growth, enhanced tolerant to drought, high salt, high temperature, chill, forst or light radiation, improved flowering, enhanced nutrient utilization (such as improved nitrogen assimilation), enhanced quality plant product, more number of productive tillers, enhanced resistance to fungi, insects, pests and the like, which results in higher yields.
  • plant growth enhancement effects like enhanced root growth, enhanced tolerant to drought, high salt, high temperature, chill, forst or light radiation, improved flowering, enhanced nutrient utilization (such as improved nitrogen assimilation), enhanced quality plant product, more number of productive tillers, enhanced resistance to fungi, insects, pests and the like, which results in higher yields.
  • Example-1 Synthesis of 2-(3-(ethylsulfonyl)-5-(4-(trifluoromethoxy)phenyl)pyridin-2-yl)-6- (trifluoromethyl)-[1,2,4]triazolo[4,3-a]pyridin-3(2H)-one (Compound 1):
  • Step-3 2-(5-bromo-3-(ethylsulfonyl)pyridin-2-yl)-6-(trifluoromethyl)-[1,2,4]triazolo[4,3- a]pyridin-3(2H)-one:
  • reaction mixture was cooled to 25 °C.
  • Water (150 mL) was added to the above reaction mixture and extracted twice with ethyl acetate (300 mL). The combined ethyl acetate layers were washed with water (100 mL), dried over anhydrous sodium sulfate and concentrated under reduced pressure to obtain the crude product.
  • Step-4 2-(3-(ethylsulfonyl)-5-(4-(trifluoromethoxy)phenyl)pyridin-2-yl)-6-(trifluoromethyl)- [1,2,4]triazolo[4,3-a]pyridin-3(2H)-one:
  • the reaction mixture was thoroughly deoxygenated by subjecting it to vacuum/nitrogen cycle three times and was heated in a microwave oven at 110 °C for 2 h. After completion of the reaction, the reaction mixture was cooled to 25 °C and filtered through a pad of celite.
  • Xantphos (103 mg, 0.18 mmol) was added to the above reaction mixture and the reaction mixture was heated at 100 °C for 3 h in a preheated oil bath. After completion of the reaction, the reaction mixture was filtered through a celite bed and washed with ethyl acetate (10 mL). The ethyl acetate layer was taken in a separating funnel and washed with brine (30 mL), dried over anhydrous sodium sulfate, filtered and concentrated to obtain the crude product.
  • Step-1 2-(3-(ethylsulfonyl)pyridin-2-yl)-6-(trifluoromethyl)-[1,2,4]triazolo[4,3-a]pyridin- 3(2H)-one:
  • Step-2 3-(ethylsulfonyl)-2-(3-oxo-6-(trifluoromethyl)-[1,2,4]triazolo[4,3-a]pyridin-2(3H)- yl)pyridine 1-oxide:
  • Step-3 2-(6-chloro-3-(ethylsulfonyl)pyridin-2-yl)-6-(trifluoromethyl)-[1,2,4]triazolo[4,3- a]pyridin-3(2H)-one:
  • Step-4 2-(6-(3,5-dichlorophenyl)-3-(ethylsulfonyl)pyridin-2-yl)-6-(trifluoromethyl)- [1,2,4]triazolo[4,3-a]pyridin-3(2H)-one:
  • the reaction mixture was thoroughly deoxygenated by subjecting it to a vacuum/nitrogen cycle three times and was heated in a microwave at 110 °C for 1 h. After completion of the reaction, the reaction mixture was cooled to 25 °C and filtered through a pad of celite.
  • reaction mixture was poured into water (150 mL) and extracted twice with ethyl acetate (150 mL). The combined ethyl acetate layers were washed with brine, dried over anhydrous sodium sulfate, filtered and concentrated under reduced pressure to obtain the crude product.
  • Step-1 tert-butyl (5-(ethylsulfonyl)-6-(3-oxo-7-(trifluoromethyl)-[1,2,4]triazolo[4,3-a]pyridin- 2(3H)-yl)pyridin-3-yl)carbamate:
  • Xantphos (0.2 g, 0.44 mmol) was added to the above reaction mixture, and the reaction mixture was heated at 100 °C for 16 h in a preheated oil bath. After completion of the reaction, the reaction mixture was filtered through a celite bed and washed with ethyl acetate (20 mL). The ethyl acetate layer was taken in the separating funnel and washed (30 mL), brine, dried over anhydrous sodium sulfate, filtered and concentrated to get the crude product.
  • the crude product was purified by flash column chromatography on silica gel using 15 % ethyl acetate in hexane as an eluent to obtain tert-butyl (5-(ethylsulfonyl)-6-(3-oxo-7-(trifluoromethyl)- [1,2,4]triazolo[4,3-a]pyridin-2(3H)-yl)pyridin-3-yl)carbamate (0.75 g, 1.5 mmol, 70 % yield).
  • Step-2 2-(5-amino-3-(ethylsulfonyl)pyridin-2-yl)-7-(trifluoromethyl)-[1,2,4]triazolo[4,3- a]pyridin-3(2H)-one:
  • Step-3 N-(5-(ethylsulfonyl)-6-(3-oxo-7-(trifluoromethyl)-[1,2,4]triazolo[4,3-a]pyridin-2(3H)- yl)pyridin-3-yl)cyclopropanecarboxamide:
  • reaction mixture was quenched by addition of water (15 mL) and additional dichloromethane (20 mL) was added.
  • the dichloromethane layer was washed with brine, separated, dried over anhydrous sodium sulfate, separated and concentrated under reduced pressure to obtain the crude product.
  • Step-1 tert-butyl (5-(ethylsulfonyl)-6-(3-oxo-7-(trifluoromethyl)-[1,2,4]triazolo[4,3- a]pyridin-2(3H)-yl)pyridin-3-yl)(methyl)carbamate: To a solution of tert-butyl (5-(ethylsulfonyl)-6-(3-oxo-7-(trifluoromethyl)-[1,2,4]triazolo[4,3-a]pyridin- 2(3H)-yl)pyridin-3-yl)carbamate (0.8 g, 1.6 mmol) in N,N-dimethylformamide (20 mL), potassium carbonate (1.4 g, 10 mmol) and methyl iodide (0.3 mL, 5 mmol) were added under nitrogen at 25 o C.
  • Step-2 2-(3-(ethylsulfonyl)-5-(methylamino)pyridin-2-yl)-7-(trifluoromethyl)- [1,2,4]triazolo[4,3-a]pyridin-3(2H)-one:
  • the dichloromethane layer was washed with water (80 mL), dried over anhydrous sodium sulfate and concentrated under reduced pressure to obtain the crude product.
  • the crude product was triturated with n-hexane to obtain 2-(3- (ethylsulfonyl)-5-(methylamino)pyridin-2-yl)-7-(trifluoromethyl)-[1,2,4]triazolo[4,3-a]pyridin-3(2H)-one (0.4 g, 1 mmol, 83 % yield).
  • Step-3 N-(5-(ethylsulfonyl)-6-(3-oxo-7-(trifluoromethyl)-[1,2,4]triazolo[4,3-a]pyridin-2(3H)- yl)pyridin-3-yl)-N-methylcyclopropanecarboxamide:
  • reaction mixture was quenched by the addition of water (15 mL) and additional dichloromethane (20 mL) was added.
  • the dichloromethane layer was washed with brine, separated, dried over anhydrous sodium sulfate separated and concentrated under reduced pressure to obtain the crude product.
  • Step-1 Ethyl 5-bromo-6-(3-oxo-6-(trifluoromethyl)-[1,2,4]triazolo[4,3-a]pyridin-2(3H)- yl)nicotinate:
  • Step-2 Ethyl 5-(ethylthio)-6-(3-oxo-6-(trifluoromethyl)-[1,2,4]triazolo[4,3-a]pyridin-2(3H)- yl)nicotinate:
  • Tris(dibenzylideneacetone)dipalladium(0) [Pd2(dba)3] (0.04 g, 0.05 mmol), Xantphos (0.013 g, 0.02 mmol) and ethanethiol (0.17 mL, 2.3 mmol) were added to the above reaction mixture and the reaction mixture was again degassed.
  • the reaction mixture was heated at 100 o C for 8 h. After completion of the reaction, the reaction mixture was allowed to cool to 25 °C followed by filtration through a celite bed and concentrated under reduced pressure to obtain the crude product.
  • Step-3 Ethyl 5-(ethylsulfonyl)-6-(3-oxo-6-(trifluoromethyl)-[1,2,4]triazolo[4,3-a]pyridin- 2(3H)-yl)nicotinate:
  • the dichloromethane layer was washed with a saturated auqueous sodium carbonate solution, dried over anhydrous sodium sulfate and concentrated under reduced pressure to obtain the crude product.
  • the crude product was purified by flash column chromatography on silica gel using 20 % ethyl acetate in hexane as an eluent to obtain ethyl 5- (ethylsulfonyl)-6-(3-oxo-6-(trifluoromethyl)-[1,2,4]triazolo[4,3-a]pyridin-2(3H)-yl)nicotinate (0.25 g, 0.6 mmol, 58 % yield).
  • Step 4 5-(ethylsulfonyl)-6-(3-oxo-6-(trifluoromethyl)-[1,2,4]triazolo[4,3-a]pyridin-2(3H)- yl)nicotinic acid:
  • Step-1 2-(5-bromo-3-(ethylsulfonyl)pyridin-2-yl)-6-(trifluoromethyl)-[1,2,4]triazolo[4,3- a]pyridine-3(2H)-thione:
  • reaction mixture was concentrated under reduced pressure to obtain a crude product which was purified by flash column chromatography on silica gel using 20 % ethyl acetate in hexane as an eluent to obtain 2- (5-bromo-3-(ethylsulfonyl)pyridin-2-yl)-6-(trifluoromethyl)-[1,2,4]triazolo[4,3-a]pyridine-3(2H)-thione (350 mg, 0.75 mmol, 68 % yield).
  • Step-2 2-(3-(ethylsulfonyl)-5-(4-(trifluoromethoxy)phenyl)pyridin-2-yl)-6-(trifluoromethyl)- [1,2,4]triazolo[4,3-a]pyridine-3(2H)-thione:
  • the reaction mixture was thoroughly deoxygenated by subjecting to vacuum/nitrogen cycle three times and was heated in a microwave oven at 110 °C for 2 h. After completion of the reaction, the reaction mixture was cooled to 25 °C and filtered through a pad of celite.
  • Step-1 2-(4-(1-ethoxyvinyl)-2-(ethylsulfonyl)phenyl)-6-(trifluoromethyl)-[1,2,4]triazolo[4,3- a]pyridin-3(2H)-one:
  • reaction mixture was concentrated under reduced pressure to obtain the crude product which was purified by flash column chromatography on silica gel to obtain 2-(4-(1-ethoxyvinyl)-2-(ethylsulfonyl)phenyl)-6-(trifluoromethyl)- [1,2,4]triazolo[4,3-a]pyridin-3(2H)-one (165 mg, 0.4 mmol, 84 % yield).
  • Step-2 2-(5-acetyl-3-(ethylsulfonyl)pyridin-2-yl)-6-(trifluoromethyl)-[1,2,4]triazolo[4,3- a]pyridin-3(2H)-one:
  • reaction mixture was concentrated under reduced pressure to obtain the crude product which was purified by flash column chromatography on silica gel using 30 % ethyl acetate in hexane to obtain 2-(3-(ethylsulfonyl)-5-(1,1,1- trifluoro-2-hydroxypropan-2-yl)pyridin-2-yl)-6-(trifluoromethyl)-[1,2,4]triazolo[4,3-a]pyridin-3(2H)-one (30 mg, 0.06 mmol, 10 % yield).
  • Step-1 3-hydrazinyl-6-(trifluoromethyl)pyridazine:
  • reaction mixture was concentrated under reduced pressure to obtain a solid, which was filtered and washed twice with water (100 mL) and hexane (50 mL) to obtain the crude product which was purified by flash column chromatography on silica gel using 50 % ethyl acetate in hexane as an eluent to obtain 3-hydrazinyl-6-(trifluoromethyl)pyridazine (1.6 g, 9.0 mmol, 36 % yield).
  • Step-3 2-(5-bromo-3-(ethylsulfonyl)pyridin-2-yl)-6-(trifluoromethyl)-[1,2,4]triazolo[4,3- b]pyridazin-3(2H)-one:
  • Step-4 2-(3-(ethylsulfonyl)-5-(4-fluorophenyl)pyridin-2-yl)-6-(trifluoromethyl)- [1,2,4]triazolo[4,3-b]pyridazin-3(2H)-one: To a solution of 2-(5-bromo-3-(ethylsulfonyl)pyridin-2-yl)-6-(trifluoromethyl)-[1,2,4]triazolo[4,3- b]pyridazin-3(2H)-one (135 mg, 0.30 mmol) and (4-fluorophenyl)boronic acid (41.8 mg, 0.30 mmol) in a mixture of 1,4-dioxane (4.5 mL) and water (0.5 mL), sodium carbonate (79 mg, 0.75 mmol) and tetrakis(triphenylphosphine)palladium(0) (17.25 mg, 0.015
  • the reaction mixture was thoroughly deoxygenated by subjecting three times to a vacuum/nitrogen cycle three and was heated in a microwave oven at 110 °C for 2 h. After completion of the reaction, the reaction mixture was cooled to 25 °C and filtered through a pad of celite.
  • Example-12 Synthesis of 2-(3-(ethylsulfonyl)-5-(2,2,3,3,3-pentafluoropropoxy)pyridin-2-yl)-6- (trifluoromethyl)-[1,2,4]triazolo[4,3-a]pyridin-3(2H)-one (Compound 220) :
  • Step-1 (5-(ethylsulfonyl)-6-(3-oxo-6-(trifluoromethyl)-[1,2,4]triazolo[4,3-a]pyridin-2(3H)- yl)pyridin-3-yl)boronic acid:
  • the reaction mixture was thoroughly deoxygenated by subjecting to vacuum/nitrogen cycle three times followed by the addition of tricyclohexylphosphine (7.46 mg, 0.027 mmol) and tris(dibenzylideneacetone)dipalladium(0) (13 mg, 0.013 mmol).
  • the reaction mixture was heated at 90 °C for 4 h. After completion of the reaction, the reaction mixture was cooled to 25 °C and filtered through a pad of celite.
  • Step-2 2-(3-(ethylsulfonyl)-5-hydroxypyridin-2-yl)-6-(trifluoromethyl)-[1,2,4]triazolo[4,3- a]pyridin-3(2H)-one:
  • Step-3 2-(3-(ethylsulfonyl)-5-(2,2,3,3,3-pentafluoropropoxy)pyridin-2-yl)-6-(trifluoromethyl)- [1,2,4]triazolo[4,3-a]pyridin-3(2H)-one:
  • reaction mixture was diluted with water (10 mL) and extracted with ethyl acetate (50 mL). The ethyl acetate layer was separated, dried over sodium sulfate, concentrated under reduced pressure.
  • the crude product was purify by flash column chromatography on silica gel using 60 % ethyl acetatein hexane as an eluent obtain 2-(3-(ethylsulfonyl)-5-(2,2,3,3,3-pentafluoropropoxy)pyridin-2-yl)-6- (trifluoromethyl)-[1,2,4]triazolo[4,3-a]pyridin-3(2H)-one (90 mg, 0.17 mmol, 67 % yield).
  • Example-13 Synthesis of 2-(3-(ethylsulfonyl)-5-(4-(2-methoxyethoxy)phenyl)pyridin-2-yl)-6- (trifluoromethyl)-[1,2,4]triazolo[4,3-a]pyridin-3(2H)-one (Compound 226):
  • Step-1 2-(3-(ethylsulfonyl)-5-(4-hydroxyphenyl)pyridin-2-yl)-6-(trifluoromethyl)- [1,2,4]triazolo[4,3-a]pyridin-3(2H)-one:
  • the reaction mixture was thoroughly deoxygenated by subjecting to vacuum/nitrogen cycle three times and was heated in a microwave at 110 °C for 2 h. After completion of the reaction, the reaction mixture was cooled to 25 °C and filtered through a pad of celite.
  • Step-2 2-(3-(ethylsulfonyl)-5-(4-(2-methoxyethoxy)phenyl)pyridin-2-yl)-6-(trifluoromethyl)- [1,2,4]triazolo[4,3-a]pyridin-3(2H)-one:
  • reaction mixture was cooled to 25 °C, diluted with water (10 mL) and extracted with ethyl acetate (80 mL). The ethyl acetate layer was separated, dried over sodium sulfate, concentrated under reduced pressure.
  • the crude product was purify by flash column chromatography on silica gel using 50 % ethyl acetate in hexane as an eluent to obtain 2-(3-(ethylsulfonyl)-5-(4-(2-methoxyethoxy)phenyl)pyridin-2-yl)-6- (trifluoromethyl)-[1,2,4]triazolo[4,3-a]pyridin-3(2H)-one (165 mg, 0.32 mmol, 73 % yield).
  • Example-14 2-(3-(ethylsulfonyl)-5-(4-(trifluoromethoxy)phenyl)pyridin-2-yl)-6-(trifluoromethyl)- [1,2,4]triazolo[4,3-a]pyrazin-3(2H)-one (Compound 235):
  • Step-1 6-(trifluoromethyl)-[1,2,4]triazolo[4,3-a]pyrazin-3(2H)-one:
  • the ethyl acetate layer was washed with brine (100 mL) and water (100 mL), dried over anhydrous sodium sulphate and concentrated to obtain the crude product.
  • the crude product was purified by column chromatography on silica gel using 20 % ethyl acetate in hexane as an eluent. Pure fractions of the product were combined together and concentrated to obtain 6-(trifluoromethyl)-[1, 2,4]triazolo[4,3-a]pyrazin-3(2H)-one (0.6 g, 2.94 mmol, 87 % yield).
  • Step-2 2-(5-bromo-3-(ethylsulfonyl)pyridin-2-yl)-6-(trifluoromethyl)-[1,2,4]triazolo[4,3- a]pyrazin-3(2H)-one:
  • the crude product was purified by flash column chromatography on silica gel using 40 % ethyl acetate in hexane as an eluent to obtain 2-(5-bromo-3- (ethylsulfonyl)pyridin-2-yl)-6-(trifluoromethyl)-[1,2,4]triazolo[4,3-a]pyrazin-3(2H)-one (0.40 g, 0.89 mmol, 36 % yield).
  • Step-3 2-(3-(ethylsulfonyl)-5-(4-(trifluoromethoxy)phenyl)pyridin-2-yl)-6-(trifluoromethyl)- [1,2,4]triazolo[4,3-a]pyrazin-3(2H)-one:
  • reaction mixture was thoroughly deoxygenated by subjecting to vacuum/nitrogen cycle three times and was heated at 80 °C for 3 h. After completion of the reaction, the reaction mixture was cooled to 25 °C and filtered through a pad of celite. The filtrate was concentrated under reduced pressure and the crude product was purified by flash column chromatography on silica gel using 60 % ethyl acetate in hexane as an eluent to obtain 2-(3-(ethylsulfonyl)-5-(4-(trifluoromethoxy)phenyl)pyridin- 2-yl)-6-(trifluoromethyl)-[1,2,4]triazolo[4,3-a]pyrazin-3(2H)-one (90 mg, 0.169 mmol, 76 % yield).
  • Step-1 2-hydrazinyl-4-((trifluoromethyl)thio)pyridine:
  • the ethyl acetate layer was washed with brine (100 mL) and water (100 mL), dried over anhydrous sodium sulphate and concentrated to obtain the crude product.
  • the crude product was purified by column chromatography on silica gel using 20 % ethyl acetate in hexane as an eluent. Pure fractions of the product were combined together and concentrated to obtain 7-((trifluoromethyl)thio)-[1,2,4]triazolo[4,3-a]pyridin-3(2H)-one (900 mg, 3.83 mmol, 62 % yield).
  • Step-3 2-(5-bromo-3-(ethylsulfonyl)pyridin-2-yl)-7-((trifluoromethyl)thio)-[1,2,4]triazolo[4,3- a]pyridin-3(2H)-one:
  • reaction mixture was cooled to 25 °C.
  • Water (20 mL) was added to the above reaction mixture and extracted twice with ethyl acetate (50 mL). The ethyl acetate layer was washed with water (100 mL), dried over sodium sulfate and concentrated under reduced pressure to obtain the crude product.
  • Step-4 2-(3-(ethylsulfonyl)-5-(4-(trifluoromethoxy)phenyl)pyridin-2-yl)-7- ((trifluoromethyl)thio)-[1,2,4]triazolo[4,3-a]pyridin-3(2H)-one:
  • reaction mixture was thoroughly deoxygenated by subjecting to vacuum/nitrogen cycle three times and was heated at 80 °C for 3 h. After completion of the reaction, the reaction mixture was cooled to 25 °C and filtered through a pad of celite. The filtrate was concentrated under reduced pressure and the crude product was purified by flash column chromatography on silica gel using 60 % ethyl acetate in hexane as an eluent to obtain 2-(3-(ethylsulfonyl)-5-(4- (trifluoromethoxy)phenyl)pyridin-2-yl)-7-((trifluoromethyl)thio)-[1,2,4]triazolo[4,3-a]pyridin-3(2H)-one (200 mg, 0.35 mmol, 57 % yield).
  • reaction mixture was diluted with aqueous sodium thiosulfate solution and extracted with dichloromethane (50 mL). The dichloromethane layer was washed with sodium carbonate, dried over sodium sulfate and concentrated under reduced pressure to obtain the crude product.
  • the crude product was purified by flash column chromatography on silica gel using 20 % ethyl acetate in hexane as an eluent to obtain 2-(3- (ethylsulfonyl)-5-(4-(trifluoromethoxy)phenyl)pyridin-2-yl)-7-((trifluoromethyl)sulfonyl)- [1,2,4]triazolo[4,3-a]pyridin-3(2H)-one (60 mg, 0.10 mmol, 28 % yield).
  • Example-16 Synthesis of 2-(3-(ethylsulfonyl)-5-(3-(trifluoromethyl)phenyl)pyridin-2-yl)-6- (2,2,3,3,3-pentafluoropropoxy)-[1,2,4]triazolo[4,3-a]pyridin-3(2H)-one (Compound 285):
  • Step-1 2-hydrazinyl-5-(2,2,3,3,3-pentafluoropropoxy)pyridine:
  • Step-3 2-(5-bromo-3-(ethylsulfonyl)pyridin-2-yl)-6-(2,2,3,3,3-pentafluoropropoxy)- [1,2,4]triazolo[4,3-a]pyridin-3(2H)-one:
  • Step-4 2-(3-(ethylsulfonyl)-5-(3-(trifluoromethyl)phenyl)pyridin-2-yl)-6-(2,2,3,3,3- pentafluoropropoxy)-[1,2,4]triazolo[4,3-a]pyridin-3(2H)-one:
  • reaction mixture was thoroughly deoxygenated by subjecting to vacuum/nitrogen cycle three times and was heated at 110 °C for 3 h. After completion of the reaction, the reaction mixture was cooled to 25 °C and filtered through a pad of celite. The filtrate was concentrated under reduced pressure and the crude product was purified by flash column chromatography on silica gel using 60 % ethyl acetate in hexane as an eluent to obtain 2-(3-(ethylsulfonyl)-5-(3- (trifluoromethyl)phenyl)pyridin-2-yl)-6-(2,2,3,3,3-pentafluoropropoxy)-[1,2,4]triazolo[4,3-a]pyridin- 3(2H)-one (140 mg, 0.23 mmol, 69 % yield) as a solid.
  • Step-1 2-hydrazinyl-5-(2,2,2-trifluoroethoxy)pyridine :
  • Step-3 2-(5-bromo-3-(ethylsulfonyl)pyridin-2-yl)-6-(2,2,2-trifluoroethoxy)-[1,2,4]triazolo[4,3- a]pyridin-3(2H)-one:
  • reaction mixture was allowed to cool down to 25 °C, diluted with water (10 mL) and extracted twice with ethyl acetate (50 mL). The combined ethyl acetate layers were washed with brine (20 mL), dried over anhydrous sodium sulfate and concentrated to obtain the crude product which was purified by column chromatography on silica gel using 20 % ethyl acetate in hexane as an eluent to obtain 2-(5-bromo-3-(ethylsulfonyl)pyridin-2-yl)-6-(2,2,2- trifluoroethoxy)-[1,2,4]triazolo[4,3-a]pyridin-3(2H)-one (1.2 g, 2.49 mmol, 74 % yield).
  • Step-4 2-(3-(ethylsulfonyl)-5-(4-(trifluoromethoxy)phenyl)pyridin-2-yl)-6-(2,2,2- trifluoroethoxy)-[1,2,4]triazolo[4,3-a]pyridin-3(2H)-one:
  • reaction mixture was thoroughly deoxygenated by subjecting to vacuum/nitrogen cycle three times and was heated at 110 °C for 3 h. After completion of the reaction, the reaction mixture was cooled to 25 °C and filtered through a pad of celite. The filtrate was concentrated under reduced pressure and the crude product was purified by flash column chromatography on silica gel using 20 % ethyl acetate in hexane as an eluent to obtain 2-(3-(ethylsulfonyl)-5-(4- (trifluoromethoxy)phenyl)pyridin-2-yl)-6-(2,2,2-trifluoroethoxy)-[1,2,4]triazolo[4,3-a]pyridin-3(2H)-one (85 mg, 0.15 mmol, 49 % yield).
  • Example-18 Synthesis of 2-(3-(ethylsulfonyl)-5-(4-(trifluoromethoxy)phenyl)pyridin-2-yl)-6-(1- (trifluoromethyl)cyclopropyl)-[1,2,4]triazolo[4,3-a]pyridin-3(2H)-one (Compound 325):
  • Step-1 2-chloro-5-(3,3,3-trifluoroprop-1-en-2-yl)pyridine:
  • the reaction mixture was thoroughly deoxygenated by subjecting to vacuum/nitrogen cycle three times and was heated in a microwave at 70 °C for 6 h. After completion of the reaction, the reaction mixture was cooled to 25 °C and filtered through a pad of celite. The filtrate was concentrated under reduced pressure and the crude product was purified by flash column chromatography on silica gel using 60 % ethyl acetate in hexane as an eluent to obtain 2- chloro-5-(3,3,3-trifluoroprop-1-en-2-yl)pyridine (2.5 g, 12.04 mmol, 38 % yield).
  • reaction mixture was quenched by addition of methanol (10 mL) and the reaction mixture was concentrated under reduced pressure.
  • the crude residue was purified by flash chromatography on silica gel using 50 % ethyl acetate in hexane as an eluent to obtain 2-chloro-5-(1- (trifluoromethyl)cyclopropyl)pyridine (2.0 g, 9.02 mmol, 75 % yield).
  • reaction mass was diluted by addition of water (50 mL) followed by extraction with ethyl acetate (100 mL) to obtain the crude product which was purified by flash column chromatography on silica gel using 60 % ethyl acetate in hexane as an eluent to obtain 2-hydrazinyl-5-(1- (trifluoromethyl)cyclopropyl)pyridine (1.5 g, 6.91 mmol, 77 % yield).
  • Step-4 6-(1-(trifluoromethyl)cyclopropyl)-[1,2,4]triazolo[4,3-a]pyridin-3(2H)-one:
  • reaction mixture was cooled to 25 °C.
  • Water (50 mL) was added to the above reaction mixture and extracted twice with ethyl acetate (100 mL). The ethyl acetate layer was washed with water (100 mL), dried over sodium sulfate and concentrated under reduced pressure to obtain the crude product.
  • Step-6 2-(3-(ethylsulfonyl)-5-(4-(trifluoromethoxy)phenyl)pyridin-2-yl)-6-(1- (trifluoromethyl)cyclopropyl)-[1,2,4]triazolo[4,3-a]pyridin-3(2H)-one:
  • the reaction mixture was thoroughly deoxygenated by subjecting to vacuum/nitrogen cycle three times and was heated in a microwave at 90 °C for 3 h. After completion of the reaction, the reaction mixture was cooled to 25 °C and filtered through a pad of celite.
  • the compounds of general formula (I) show insecticidal activities which are exerted with respect to numerous insects which attacks on important agricultural crops.
  • the compounds of the present invention were assessed for their activity as described in the following tests:
  • Diet incorporation method was used, in which the required quantity of test compounds were weighed and dissolved in surfactant solution, kept on vortex for 90 min for proper mixing, then diluted with water to the desired test concentrations.
  • Semi-synthetic diet was incorporated into the specific solutions when the temperature reached approximately 50 o C in the bioassay containers. The diet and solution was stirred thoroughly for properly mixing and then left to cool for 30 min. The solidified diet was cut into equal pieces, and then each piece was transferred into one cell of the bio-assay trays. A single third instar starved larva was released into each of these cells of the bioassay trays and each tray was covered with a lid.
  • the bio-assay trays were kept under laboratory conditions at a temperature of 25 o C and relative humidity of 70%. Observations on dead, moribund and alive larvae were recorded at 96 h after the release of larvae. Percent mortality was calculated by combining dead and moribund larvae and comparing the result to the one of the untreated control.
  • Diet incorporation method was used, in which the required quantity of test compounds were weighed and dissolved in surfactant solution, kept on vortex for 90 min for proper mixing, then diluted with water to the desired test concentrations.
  • Semi-synthetic diet was incorporated into the specific solutions when the temperature reached approximately 50 o C in the bioassay containers. The diet and solution was stirred thoroughly for properly mixing and was left to cool for 30 min. The solidified diet was cut into equal pieces, and then each piece was transferred into one cell of the bio-assay trays. A single third instar starved larva was released into each of these cells of the bioassay trays and each tray was covered with a lid.
  • the bio-assay trays were kept under laboratory conditions at a temperature of 25 o C and relative humidity of 70%. Observations on dead, moribund and alive larvae were recorded at 96 h after the release of larvae. Percent mortality was calculated by combining dead and moribund larvae and comparing the result to the one of the untreated control.
  • Example C Plutella xylostella
  • the leaf dip method was used for testing, wherein the required quantity of the test compounds were weighed and dissolved in a surfactant solution, kept on a Vortex at 2000 rpm with Zirconia beads for 90 min for proper mixing and then diluted with 0.01 % Triton-X solution to the desired test concentration. Cabbage leaves were dipped in the solution for 10 seconds, shade dried for 20 min and then transferred to bioassay trays. Single second instar larvae were released into each bioassay tray cell and the tray was covered with a lid. The bio-assay trays were kept under laboratory conditions at a temperature of 25 o C and relative humidity of 70%. Observations on dead, moribund and alive larvae were recorded at 72 h after the release. Percent mortality was calculated by combining dead and moribund larvae and comparing the result to the one of the untreated control. The following compounds 1 2 4
  • the leaf dip method was used for testing, wherein the required quantity of the test compounds were weighed and dissolved in surfactant solution, kept on a Vortex at 2000 rpm with Zirconia beads for 90 min for proper mixing and then diluted with 0.01 % Triton-X solution to the desired test concentration.
  • Cotton leaves were dipped in the solution for 10 seconds, shade dried for 20 min and then the leaves were kept in glass units with the petiole dipped in water.
  • Known numbers of freshly emerged adults were released and kept in the plant growth chambers at a temperature of 25 o C and a relative humidity of 70 %. Observations on dead, moribund and alive adults were recorded at 72 h after the release. Percent mortality was calculated by combining dead and moribund adults and comparing the result to the one of the untreated control. The following compounds 9 and 45 recorded more than 70 per cent mortality @ 300PPM.
  • Example E Myzus persicae
  • the leaf dip method was used for testing, wherein the required quantity of the test compounds were weighed and dissolved in a surfactant solution, kept on a Vortex at 2000 rpm with Zirconia beads for 90 min for proper mixing and then diluted with 0.01 % Triton-X solution to the desired test concentration. Capsicum leaves were dipped in the solution for 10 seconds, shade dried for 20 min and then the leaves were kept in glass units with the petiole dipped in water. Known numbers of third instar nymphs were released and kept in the plant growth chambers at a temperature of 25 o C and relative humidity of 70 %. Observations on dead, moribund and alive nymphs were recorded at 72 h after the release.
  • Percent mortality was calculated by combining dead and moribund nymphs and comparing the result to the one of the untreated control.

Abstract

La présente invention concerne un composé hétérocyclique fusionné de formule générale (I), dans laquelle, R1, R3, X, A, m et n sont tels que définis dans la description détaillée. La présente invention concerne en outre des procédés pour leur préparation et l'utilisation des composés hétérocycliques fusionnés de formule générale (I) en tant qu'agents de lutte contre les nuisibles.
PCT/IB2020/051940 2019-03-07 2020-03-06 Composés hétérocycliques condensés et leur utilisation en tant qu'agents de lutte contre les nuisibles WO2020178789A1 (fr)

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