WO2020161208A1 - Composés pyridazine fusionnés herbicides - Google Patents

Composés pyridazine fusionnés herbicides Download PDF

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WO2020161208A1
WO2020161208A1 PCT/EP2020/052910 EP2020052910W WO2020161208A1 WO 2020161208 A1 WO2020161208 A1 WO 2020161208A1 EP 2020052910 W EP2020052910 W EP 2020052910W WO 2020161208 A1 WO2020161208 A1 WO 2020161208A1
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group
hydrogen
c6alkyl
phenyl
formula
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PCT/EP2020/052910
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English (en)
Inventor
James Nicholas Scutt
Nigel James Willetts
Mangala Phadte
Swarnendu SASMAL
Sandeep Reddy KANDUKURI
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Syngenta Crop Protection Ag
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Publication of WO2020161208A1 publication Critical patent/WO2020161208A1/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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D495/00—Heterocyclic compounds containing in the condensed system at least one hetero ring having sulfur atoms as the only ring hetero atoms
    • C07D495/02—Heterocyclic compounds containing in the condensed system at least one hetero ring having sulfur atoms as the only ring hetero atoms in which the condensed system contains two hetero rings
    • C07D495/04—Ortho-condensed systems
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D513/00—Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for in groups C07D463/00, C07D477/00 or C07D499/00 - C07D507/00
    • C07D513/02—Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for in groups C07D463/00, C07D477/00 or C07D499/00 - C07D507/00 in which the condensed system contains two hetero rings
    • C07D513/04—Ortho-condensed systems

Definitions

  • the present invention relates to herbicidally active bicyclic pyridazine derivatives, as well as to processes and intermediates used for the preparation of such derivatives.
  • the invention further extends to herbicidal compositions comprising such derivatives, as well as to the use of such compounds and compositions for controlling undesirable plant growth: in particular the use for controlling weeds, in crops of useful plants.
  • the present invention is based on the finding that bicyclic pyridazine derivatives of formula (I) as defined herein, exhibit surprisingly good herbicidal activity.
  • R 1 is selected from the group consisting of hydrogen, halogen, Ci-C6alkyl, C2-C6alkenyl, C2-C6alkynyl, Cs-Cecycloalkyl, Ci-C 6 haloalkyl, -OR 7 , -OR 15a , -N(R 6 )S(0) 2 R 15 , -N(R 6 )C(0)R 15 , -N(R 6 )C(0)0R 15 , - N(R 6 )C(0)NR 16 R 17 , -N(R 6 )CHO, -N(R 7a ) 2 and -S(0) r R 15 ;
  • R 2 is selected from the group consisting of hydrogen, halogen, Ci-C6alkyl and Ci-C6haloalkyl;
  • R 1 is selected from the group consisting of -OR 7 , -OR 15a , -N(R 6 )S(0) 2 R 15 , - N(R 6 )C(0)R 15 , -N(R 6 )C(0)0R 15 , -N(R 6 )C(0)NR 16 R 17 , -N(R 6 )CHO, -N(R 7a ) 2 and -S(0) r R 15 , R 2 is selected from the group consisting of hydrogen and Ci-C6alkyl; or
  • R 1 and R 2 together with the carbon atom to which they are attached form a C3-C6cycloalkyl ring or a 3- to 6- membered heterocyclyl, which comprises 1 or 2 heteroatoms individually selected from N and O;
  • Q is (CR 1a R 2b ) m ;
  • n 0, 1 , 2 or 3;
  • each R 1a and R 2b are independently selected from the group consisting of hydrogen, halogen, Ci-C6alkyl, Ci-Cehaloalkyl, -OH, -OR 7 , -OR 15a , -NH 2 , -NHR 7 , -NHR 15a , -N(R 6 )CHO, -NR 7b R 7c and -S(0) r R 15 ; or each R 1a and R 2b together with the carbon atom to which they are attached form a C3-C6cycloalkyl ring or a 3- to 6- membered heterocyclyl, which comprises 1 or 2 heteroatoms individually selected from N and O;
  • R 3 is selected from the group consisting of hydrogen, halogen, Ci-C6alkyl, Ci-C6haloalkyl and Ci- Cealkoxy;
  • R 4 is selected from the group consisting of hydrogen, nitro, cyano, -Nhh, -NR 6 R 7 , -OH, -OR 7 , -S(0) r R 12 , -NR 6 S(0) r R 12 , Ci-C6alkyl, Ci-C6haloalkyl, C3-C6cycloalkyl, C3-C6halocycloalkyl, C3-C6cycloalkoxy, C2- C6alkenyl, C2-C6haloalkenyl, C2-C6alkynyl, Ci-C3alkoxyCi-C3alkyl-, hydroxyCi-Cealkyl-, Ci-C6alkoxy, Ci-C6haloalkoxy, Ci-C3haloalkoxyCi-C3alky
  • each R 6 is independently selected from hydrogen and Ci-C6alkyl
  • each R 7 is independently selected from the group consisting of Ci-C6alkyl, -S(0) 2 R 15 , -C(0)R 15 , - C(0)0R 15 and -C(0)NR 16 R 17 ;
  • each R 7a is independently selected from the group consisting of -S(0) 2 R 15 , -C(0)R 15 , -C(0)0R 15 - C(0)NR 16 R 17 and -C(0)NR 6 R 15a ;
  • R 7b and R 7c are independently selected from the group consisting of Ci-C6alkyl, -S(0) 2 R 15 , -C(0)R 15 , - C(0)0R 15 , -C(0)NR 16 R 17 and phenyl, and wherein said phenyl is optionally substituted by 1 , 2 or 3 R 9 substituents, which may be the same or different; or
  • R 7b and R 7c together with the nitrogen atom to which they are attached form a 4- to 6-membered heterocyclyl ring which optionally comprises one additional heteroatom individually selected from N, O and S; and
  • the ring comprising A 1 , A 2 and A 3 together with the carbon atoms of the adjacent ring to which A 1 and A 3 are attached is aromatic;
  • a 1 , A 2 and A 3 are independently selected from the group consisting of C, N, O and S;
  • a 1 , A 2 and A 3 are N, O or S;
  • a 1 , A 2 and A 3 are C or N, they are each substituted by R 8 substituents;
  • p 0, 1 , 2 or 3;
  • R 8 is independently selected from the group consisting of hydrogen, -OR 7 , -S(0) r R 12 , Ci-C6alkyl, Ci-C6haloalkyl, C3-C6cycloalkyl, C3-C6halocycloalkyl, C3- C6cycloalkoxy, C2-C6alkenyl, C2-C6haloalkenyl, C2-C6alkynyl, Ci-C3alkoxyCi-C3alkyl-, hydroxyC2- Cealkyl-, Ci-C6alkoxy, Ci-C6haloalkoxy, Ci-C3haloalkoxyCi-C3alkyl-, Ci-C6alkoxycarbonyl, C3- Cealkenyloxy, C3-C6alkynyloxy, Ci-C6alkylcarbonyl, Ci-C6alkylaminocarbonyl, di-Ci- Ceal
  • each R 8 is independently selected from the group consisting of hydrogen, halogen, nitro, cyano, -NR 6 R 7 , -OR 7 , -S(0) r R 12 , -NR 6 S(0) r R 12 , Ci-C6alkyl, Ci-C6haloalkyl, C3-C6cycloalkyl, C3-C6halocycloalkyl, C3-C6cycloalkoxy, C2-C6alkenyl, C2-C6haloalkenyl, C2-C6alkynyl, Ci-C3alkoxyCi-C3alkyl-, hydroxyCi-Cealkyl-, Ci-C6alkoxy, Ci-C6haloalkoxy, Ci-C3haloalkoxyCi-C3alkyl- , Ci-C6alkoxycarbonyl, C3-C6alkenyloxy, C3-C6alkyl
  • each R 8 is independently selected from the group consisting of hydrogen, halogen, Ci-C6alkyl, Ci-C6haloalkyl, Ci-C6alkoxy and Ci-C6haloalkoxy;
  • each R 8 is independently selected from the group consisting of hydrogen, Ci-C6alkyl, Ci-C6haloalkyl, Ci-C6alkoxy and Ci-C6haloalkoxy;
  • each R 9 is independently selected from the group consisting of halogen, cyano, -OH, -N(R 6 )2, Ci-C 4 alkyl, Ci-C 4 alkoxy, Ci-C 4 haloalkyl and Ci-C 4 haloalkoxy;
  • X is selected from the group consisting of C3-C6cycloalkyl, phenyl, a 5- or 6- membered heteroaryl, which comprises 1 , 2, 3 or 4 heteroatoms individually selected from N, O and S, and a 4- to 6- membered heterocyclyl, which comprises 1 , 2 or 3 heteroatoms individually selected from N, O and S, and wherein said cycloalkyl, phenyl, heteroaryl or heterocyclyl moieties are optionally substituted by 1 or 2 substituents, which may be the same or different, selected from R 9 , and wherein the aforementioned CR 1 R 2 , Q and Z moieties may be attached at any position of said cycloalkyl, phenyl, heteroaryl or heterocyclyl moieties;
  • n 0 or 1 ;
  • Z is selected from the group consisting of -C(0)OR 10 , -CH2OH, -CHO, -C(0)NH0R 11 , -C(0)NHCN, - 0C(0)NH0R 11 , -0C(0)NHCN, -NR 6 C(0)NH0R 11 , -NR 6 C(0)NHCN, -C(0)NHS(0) 2 R 12 , - 0C(0)NHS(0) 2 R 12 , -NR 6 C(0)NHS(0) 2 R 12 , -S(0) 2 0R 10 , -0S(0) 2 0R 10 , -NR 6 S(0) 2 0R 10 , -NR 6 S(0)OR 10 , -NHS(0) 2 R 14 , -S(0)OR 10 , -OS(0)OR 10 , -S(0) 2 NHCN, -S(0) 2 NHC(0)R 18 , -S(0) 2 NHS(0) 2 R 12 , - 0S(0) 2 NHCN, -0S(0) 2 NHS(0) 2 R 12 ,
  • R 10 is selected from the group consisting of hydrogen, Ci-C6alkyl, phenyl and benzyl, and wherein said phenyl or benzyl are optionally substituted by 1 , 2 or 3 R 9 substituents, which may be the same or different;
  • R 11 is selected from the group consisting of hydrogen, Ci-C6alkyl and phenyl, and wherein said phenyl is optionally substituted by 1 , 2 or 3 R 9 substituents, which may be the same or different;
  • R 12 is selected from the group consisting of Ci-C6alkyl, Ci-C6haloalkyl, Ci-C6alkoxy, -OH, -N(R 6 )2 and phenyl, and wherein said phenyl is optionally substituted by 1 , 2 or 3 R 9 substituents, which may be the same or different;
  • R 13 is selected from the group consisting of -OH, Ci-C6alkyl, Ci-C6alkoxy and phenyl;
  • R 14 is Ci-Cehaloalkyl;
  • R 15 is selected from the group consisting of Ci-C6alkyl and phenyl, and wherein said phenyl is optionally substituted by 1 , 2 or 3 R 9 substituents, which may be the same or different;
  • R 15a is phenyl, wherein said phenyl is optionally substituted by 1 , 2 or 3 R 9 substituents, which may be the same or different;
  • R 16 and R 17 are independently selected from the group consisting of hydrogen and Ci-C6alkyl; or
  • R 16 and R 17 together with the nitrogen atom to which they are attached form a 4- to 6-membered heterocyclyl ring which optionally comprises one additional heteroatom individually selected from N, O and S;
  • R 18 is selected from the group consisting of hydrogen, Ci-C6alkyl, Ci-C6haloalkyl, Ci-C6alkoxy, -N(R 6 )2 and phenyl, and wherein said phenyl is optionally substituted by 1 , 2 or 3 R 9 substituents, which may be the same or different;
  • r 0, 1 or 2.
  • an agrochemical composition comprising a herbicidally effective amount of a compound of formula (I) and an agrochemically- acceptable diluent or carrier.
  • Such an agricultural composition may further comprise at least one additional active ingredient.
  • a method of controlling or preventing undesirable plant growth wherein a herbicidally effective amount of a compound of formula (I), or a composition comprising this compound as active ingredient, is applied to the plants, to parts thereof or the locus thereof.
  • halogen refers to fluorine (fluoro), chlorine (chloro), bromine (bromo) or iodine (iodo), preferably fluorine, chlorine or bromine.
  • cyano means a -CN group.
  • hydroxy means an -OH group.
  • nitro means an -NO2 group.
  • Ci-C6alkyl refers to a straight or branched hydrocarbon chain radical consisting solely of carbon and hydrogen atoms, containing no unsaturation, having from one to six carbon atoms, and which is attached to the rest of the molecule by a single bond.
  • Ci-C 4 alkyl and Ci- C2alkyl are to be construed accordingly.
  • Examples of Ci-C6alkyl include, but are not limited to, methyl (Me), ethyl (Et), n-propyl, 1 -methylethyl (iso-propyl), n-butyl, and 1 -dimethylethyl (f-butyl).
  • Ci-C6alkoxy refers to a radical of the formula -OR a where R a is a Ci-C6alkyl radical as generally defined above. Ci-C4alkoxy is to be construed accordingly. Examples of Ci-4alkoxy include, but are not limited to, methoxy, ethoxy, propoxy, iso-propoxy and f-butoxy.
  • Ci-C6haloalkyl refers to a Ci-C6alkyl radical as generally defined above substituted by one or more of the same or different halogen atoms. Ci-C4haloalkyl is to be construed accordingly. Examples of Ci-C6haloalkyl include, but are not limited to chloromethyl, fluoromethyl, fluoroethyl, difluoromethyl, trifluoromethyl and 2,2,2-trifluoroethyl.
  • C 2 -C6alkenyl refers to a straight or branched hydrocarbon chain radical group consisting solely of carbon and hydrogen atoms, containing at least one double bond that can be of either the (E)- or ( ⁇ -configuration, having from two to six carbon atoms, which is attached to the rest of the molecule by a single bond.
  • C2-C4alkenyl is to be construed accordingly.
  • Examples of C 2 -C6alkenyl include, but are not limited to, prop-1 -enyl, allyl (prop-2-enyl) and but-1 -enyl.
  • C 2 -C6haloalkenyl refers to a C 2 -C6alkenyl radical as generally defined above substituted by one or more of the same or different halogen atoms.
  • Examples of C 2 -C6haloalkenyl include, but are not limited to chloroethylene, fluoroethylene, 1 ,1 -difluoroethylene, 1 ,1 -dichloroethylene and 1 ,1 ,2-trichloroethylene.
  • C 2 -C6alkynyl refers to a straight or branched hydrocarbon chain radical group consisting solely of carbon and hydrogen atoms, containing at least one triple bond, having from two to six carbon atoms, and which is attached to the rest of the molecule by a single bond.
  • C2-C4alkynyl is to be construed accordingly.
  • Examples of C 2 -C6alkynyl include, but are not limited to, prop-1 -ynyl, propargyl (prop-2-ynyl) and but-1 -ynyl.
  • Ci-C6haloalkoxy refers to a Ci-C6alkoxy group as defined above substituted by one or more of the same or different halogen atoms. Ci-C4haloalkoxy is to be construed accordingly. Examples of Ci-C6haloalkoxy include, but are not limited to, fluoromethoxy, difluoromethoxy, fluoroethoxy, trifluoromethoxy and trifluoroethoxy.
  • Ci-C3haloalkoxyCi-C3alkyl refers to a radical of the formula Rb-0-R a - where Rb is a Ci-C3haloalkyl radical as generally defined above, and R a is a Ci-C3alkylene radical as generally defined above.
  • Ci-C3alkoxyCi-C3alkyl refers to a radical of the formula Rb-0-R a - where Rb is a Ci-C3alkyl radical as generally defined above, and R a is a Ci-C3alkylene radical as generally defined above.
  • Ci-C3alkoxyCi-C3alkoxy- refers to a radical of the formula Rb-0-R a -0- where Rb is a Ci-C3alkyl radical as generally defined above, and R a is a Ci-C3alkylene radical as generally defined above.
  • C3-C6alkenyloxy refers to a radical of the formula -OR a where R a is a C3- C6alkenyl radical as generally defined above.
  • C3-C6alkynyloxy refers to a radical of the formula -OR a where R a is a C3- C6alkynyl radical as generally defined above.
  • R a is a C3- C6alkynyl radical as generally defined above.
  • hydroxyCi-Cealkyl refers to a Ci-C6alkyl radical as generally defined above substituted by one or more hydroxy groups.
  • Ci-C6alkylcarbonyl refers to a radical of the formula -C(0)R a where R a is a Ci-C6alkyl radical as generally defined above.
  • Ci-C6alkoxycarbonyl refers to a radical of the formula -C(0)0R a where R a is a Ci-C6alkyl radical as generally defined above.
  • aminocarbonyl refers to a radical of the formula -C(0)NH 2 .
  • C3-C6cycloalkyl refers to a stable, monocyclic ring radical which is saturated or partially unsaturated and contains 3 to 6 carbon atoms.
  • C3-C 4 cycloalkyl is to be construed accordingly.
  • Examples of C3-C6cycloalkyl include, but are not limited to, cyclopropyl, cyclobutyl, cyclopentyl and cyclohexyl.
  • C3-C6halocycloalkyl refers to a C3-C6cycloalkyl radical as generally defined above substituted by one or more of the same or different halogen atoms.
  • C3-C 4 halocycloalkyl is to be construed accordingly.
  • C3-C6cycloalkoxy refers to a radical of the formula -OR a where R a is a C3- C6cycloalkyl radical as generally defined above.
  • N-C3-C6cycloalkylamino refers to a radical of the formula -NHR a where R a is a C3-C6cycloalkyl radical as generally defined above.
  • heteroaryl refers to a 5- or 6- membered monocyclic aromatic ring which comprises 1 , 2, 3 or 4 heteroatoms individually selected from nitrogen, oxygen and sulfur.
  • the heteroaryl radical may be bonded to the rest of the molecule via a carbon atom or heteroatom.
  • heteroaryl include, furyl, pyrrolyl, imidazolyl, thienyl, pyrazolyl, thiazolyl, isothiazolyl, oxazolyl, isoxazolyl, triazolyl, tetrazolyl, pyrazinyl, pyridazinyl, pyrimidyl or pyridyl.
  • heterocyclyl refers to a stable 4- to 6-membered non-aromatic monocyclic ring radical which comprises 1 , 2, or 3 heteroatoms individually selected from nitrogen, oxygen and sulfur.
  • the heterocyclyl radical may be bonded to the rest of the molecule via a carbon atom or heteroatom.
  • heterocyclyl examples include, but are not limited to, pyrrolinyl, pyrrolidyl, tetrahydrofuryl, tetrahydrothienyl, tetrahydrothiopyranyl, piperidyl, piperazinyl, tetrahydropyranyl, dihydroisoxazolyl, dioxolanyl, morpholinyl or d-lactamyl.
  • asymmetric carbon atoms in a compound of formula (I) means that the compounds may occur in chiral isomeric forms, i.e., enantiomeric or diastereomeric forms. Also atropisomers may occur as a result of restricted rotation about a single bond.
  • Formula (I) is intended to include all those possible isomeric forms and mixtures thereof.
  • the present invention includes all those possible isomeric forms and mixtures thereof for a compound of formula (I).
  • formula (I) is intended to include all possible tautomers (including lactam-lactim tautomerism and keto-enol tautomerism) where present.
  • the present invention includes all possible tautomeric forms for a compound of formula (I).
  • where there are di-substituted alkenes these may be present in E or Z form or as mixtures of both in any proportion.
  • the present invention includes all these possible isomeric forms and mixtures thereof for a compound of formula (I).
  • the compounds of formula (I) will typically be provided in the form of an agronomically acceptable salt, a zwitterion or an agronomically acceptable salt of a zwitterion.
  • This invention covers all such agronomically acceptable salts, zwitterions and mixtures thereof in all proportions.
  • a compound of formula (I) wherein Z comprises an acidic proton may exist as a zwitterion, a compound of formula (l-l), or as an agronomically acceptable salt, a compound of formula (l-ll) as shown below:
  • Y represents an agronomically acceptable anion and j and k represent integers that may be selected from 1 , 2 or 3, dependent upon the charge of the respective anion Y.
  • a compound of formula (I) may also exist as an agronomically acceptable salt of a zwitterion, a compound of formula (l-lll) as shown below:
  • Y represents an agronomically acceptable anion
  • M represents an agronomically acceptable cation (in addition to the pyridazinium cation) and the integers j, k and q may be selected from 1 , 2 or 3, dependent upon the charge of the respective anion Y and respective cation M.
  • a compound of formula (I) is drawn in protonated form herein, the skilled person would appreciate that it could equally be represented in unprotonated or salt form with one or more relevant counter ions.
  • a compound of formula (l-ll) wherein k is 2, j is 1 and Y is selected from the group consisting of halogen, trifluoroacetate and pentafluoropropionate.
  • a nitrogen atom comprised in R 1 , R 2 , R 8 , Q or X may be protonated.
  • Suitable agronomically acceptable salts of the present invention include but are not limited chloride, bromide, iodide, fluoride, 2-naphthalenesulfonate, acetate, adipate, methoxide, ethoxide, propoxide, butoxide, aspartate, benzenesulfonate, benzoate, bicarbonate, bisulfate, bitartrate, butylsulfate, butylsulfonate, butyrate, camphorate, camsylate, caprate, caproate, caprylate, carbonate, citrate, diphosphate, edetate, edisylate, enanthate, ethanedisulfonate, ethanesulfonate, ethylsulfate, formate, fumarate, gluceptate, gluconate, glucoronate, glutamate, glycerophosphate, hepta
  • Suitable cations represented by M include, but are not limited to, metals, conjugate acids of amines and organic cations.
  • suitable metals include aluminium, calcium, cesium, copper, lithium, magnesium, manganese, potassium, sodium, iron and zinc.
  • Suitable amines include allylamine, ammonia, amylamine, arginine, benethamine, benzathine, butenyl-2-amine, butylamine, butylethanolamine, cyclohexylamine, decylamine, diamylamine, dibutylamine, diethanolamine, diethylamine, diethylenetriamine, diheptylamine, dihexylamine, diisoamylamine, diisopropylamine, dimethylamine, dioctylamine, dipropanolamine, dipropargylamine, dipropylamine, dodecylamine, ethanolamine, ethylamine, ethylbutylamine, ethylenediamine, ethylheptylamine, ethyloctylamine, ethylpropanolamine, heptadecylamine, heptylamine, hexadecylamine, he
  • Suitable organic cations include benzyltributylammonium, benzyltrimethylammonium, benzyltriphenylphosphonium, choline, tetrabutylammonium, tetrabutylphosphonium, tetraethylammonium, tetraethylphosphonium, tetramethylammonium, tetramethylphosphonium, tetrapropylammonium, tetrapropylphosphonium, tributylsulfonium, tributylsulfoxonium, triethylsulfonium, triethylsulfoxonium, trimethylsulfonium, trimethylsulfoxonium, tripropylsulfonium and tripropylsulfoxonium.
  • Preferred compounds of formula (I), wherein Z comprises an acidic proton can be represented as either (l-l) or (l-ll).
  • Y is chloride, bromide, iodide, hydroxide, bicarbonate, acetate, pentafluoropropionate, triflate, trifluoroacetate, methylsulfate, tosylate and nitrate, wherein j and k are 1 .
  • Y is chloride, bromide, iodide, hydroxide, bicarbonate, acetate, trifluoroacetate, methylsulfate, tosylate and nitrate, wherein j and k are 1.
  • R 1 , R 2 , R 3 , R 4 , R 8 , A 1 , A 2 , A 3 , p and Z are as defined for compounds of formula (I).
  • R 1 , R 2 , R 1a , R 2b , R 3 , R 4 , R 8 , A 1 , A 2 , A 3 , p and Z are as defined for compounds of formula (I).
  • R 1 , R 2 , R 1a , R 2b , R 3 , R 4 , R 8 , A 1 , A 2 , A 3 , p and Z are as defined for compounds of formula (I).
  • Compounds of formula (I) wherein m is 3 and n is 0 may be represented by a compound of formula (I- Id) as shown below:
  • R 1 , R 2 , R 1a , R 2b , R 3 , R 4 , R 8 , A 1 , A 2 , A 3 , p and Z are as defined for compounds of formula (I).
  • R 1 is selected from the group consisting of hydrogen, halogen, Ci-C6alkyl, C 2 -C6alkenyl, C 2 -C6alkynyl, Cs-Cecycloalkyl, Ci-C 6 haloalkyl, -OR 7 , -OR 15a , -N(R 6 )S(0) 2 R 15 , -N(R 6 )C(0)R 15 , -N(R 6 )C(0)0R 15 , - N(R 6 )C(0)NR 16 R 17 , -N(R 6 )CHO, -N(R 7a ) 2 and -S(0) r R 15 .
  • R 1 is selected from the group consisting of hydrogen, halogen, Ci-C6alkyl, Ci-C6fluoroalkyl, -OR 7 , -NHS(0) 2 R 15 , -NHC(0)R 15 , - NHC(0)0R 15 , -NHC(0)NR 16 R 17 , -N(R 7a ) 2 and -S(0) r R 15 . More preferably, R 1 is selected from the group consisting of hydrogen, halogen, Ci-C6alkyl, Ci-C6fluoroalkyl, -OR 7 and -N(R 7a ) 2 .
  • R 1 is selected from the group consisting of hydrogen, Ci-C6alkyl, -OR 7 and -N(R 7a ) 2 . Even more preferably still, R 1 is hydrogen or Ci-C6alkyl. Yet even more preferably still, R 1 is hydrogen or methyl. Most preferably R 1 is hydrogen.
  • R 2 is selected from the group consisting of hydrogen, halogen, Ci-C6alkyl and Ci-C6haloalkyl.
  • R 2 is selected from the group consisting of hydrogen, Ci-C6alkyl and Ci-C6fluoroalkyl. More preferably, R 2 is hydrogen or Ci-C6alkyl. Even more preferably, R 2 is hydrogen or methyl. Most preferably R 2 is hydrogen.
  • R 1 is selected from the group consisting of -OR 7 , -OR 15a , -N(R 6 )S(0) 2 R 15 , -N(R 6 )C(0)R 15 , -N(R 6 )C(0)0R 15 , -N(R 6 )C(0)NR 16 R 17 , -N(R 6 )CHO, -N(R 7a ) 2 and -S(0) r R 15
  • R 2 is selected from the group consisting of hydrogen and Ci-C6alkyl.
  • R 1 is selected from the group consisting of -OR 7 , -NHS(0) 2 R 15 , -NHC(0)R 15 , -NHC(0)0R 15 , -NHC(0)NR 16 R 17 , -N(R 7a ) 2 and -S(0) r R 15
  • R 2 is selected from the group consisting of hydrogen and methyl.
  • R 1 and R 2 together with the carbon atom to which they are attached form a C3-C6cycloalkyl ring or a 3- to 6- membered heterocyclyl, which comprises 1 or 2 heteroatoms individually selected from N and O.
  • R 1 and R 2 together with the carbon atom to which they are attached form a C3- C6cycloalkyl ring.
  • R 1 and R 2 together with the carbon atom to which they are attached form a cyclopropyl ring.
  • R 1 is methyl and R 2 is hydrogen.
  • R 1 is methyl and R 2 is methyl.
  • R 1 and R 2 are hydrogen
  • n 0, 1 , 2 or 3.
  • m is 0,1 or 2. More preferably, m is 1 or 2. Most preferably, m is 0.
  • Each R 1a and R 2b are independently selected from the group consisting of hydrogen, halogen, Ci- Cealkyl, Ci-C 6 haloalkyl, -OH, -OR 7 , -OR 15a , -NH 2 , -NHR 7 , -NHR 15a , -N(R 6 )CHO, -NR 7b R 7c and -S(0) r R 15 .
  • each R 1a and R 2b are independently selected from the group consisting of hydrogen, halogen, Ci-C6alkyl, Ci-C6fluoroalkyl, -OH, -NH 2 and -NHR 7 .
  • each R 1a and R 2b are independently selected from the group consisting of hydrogen, Ci-C6alkyl, -OH and -NH 2 . Even more preferably, each R 1a and R 2b are independently selected from the group consisting of hydrogen, methyl, -OH and -NH 2 . Even more preferably still, each R 1a and R 2b are independently selected from the group consisting of hydrogen and methyl. Most preferably R 1a and R 2b are hydrogen.
  • each R 1a and R 2b are independently selected from the group consisting of hydrogen and Ci-C6alkyl.
  • each R 1a and R 2b together with the carbon atom to which they are attached form a C3- C6cycloalkyl ring or a 3- to 6- membered heterocyclyl, which comprises 1 or 2 heteroatoms individually selected from N and O.
  • each R 1a and R 2b together with the carbon atom to which they are attached form a C3-C6cycloalkyl ring.
  • each R 1a and R 2b together with the carbon atom to which they are attached form a cyclopropyl ring.
  • R 3 is selected from the group consisting of hydrogen, Ci-C6alkyl and Ci-C6alkoxy. More preferably, R 3 is selected from the group consisting of hydrogen and Ci-C6alkyl. Even more preferably, R 3 is selected from the group consisting of hydrogen and methyl. Most preferably, R 3 is hydrogen.
  • R 4 is selected from the group consisting of hydrogen, Ci-C6alkyl, Ci-C6fluoroalkyl, Ci- Cefluoroalkoxy, Ci-C6alkoxy, C3-C6cycloalkyl and -NR 6 R 7 . More preferably, R 4 is selected from the group consisting of hydrogen, Ci-C6alkyl and Ci-C6alkoxy. Even more preferably, R 4 is selected from the group consisting of hydrogen and Ci-C6alkyl. Even more preferably still, R 4 is selected from the group consisting of hydrogen and methyl. Most preferably, R 4 is hydrogen.
  • Each R 6 is independently selected from hydrogen and Ci-C6alkyl. Preferably, each R 6 is independently selected from hydrogen and methyl.
  • Each R 7 is independently selected from the group consisting of Ci-C6alkyl, -S(0) 2 R 15 , -C(0)R 15 , - C(0)0R 15 and -C(0)NR 16 R 17 .
  • each R 7 is independently selected from the group consisting of Ci-C6alkyl, -C(0)R 15 and -C(0)NR 16 R 17 .
  • each R 7 is Ci-C6alkyl.
  • each R 7 is methyl.
  • Each R 7a is independently selected from the group consisting of -S(0) 2 R 15 , -C(0)R 15 , -C(0)0R 15 - C(0)NR 16 R 17 and -C(0)NR 6 R 15a .
  • each R 7a is independently -C(0)R 15 or -C(0)NR 16 R 17 .
  • R 7b and R 7c are independently selected from the group consisting of Ci-C6alkyl, -S(0) 2 R 15 , -C(0)R 15 , - C(0)0R 15 , -C(0)NR 16 R 17 and phenyl, and wherein said phenyl is optionally substituted by 1 , 2 or 3 R 9 substituents, which may be the same or different.
  • R 7b and R 7c are independently selected from the group consisting of Ci-C6alkyl, -C(0)R 15 and -C(0)NR 16 R 17 . More preferably, R 7b and R 7c are Ci-C6alkyl. Most preferably, R 7b and R 7c are methyl.
  • R 7b and R 7c together with the nitrogen atom to which they are attached form a 4- to 6- membered heterocyclyl ring which optionally comprises one additional heteroatom individually selected from N, O and S.
  • R 7b and R 7c together with the nitrogen atom to which they are attached form a 5- to 6-membered heterocyclyl ring which optionally comprises one additional heteroatom individually selected from N and O.
  • R 7b and R 7c together with the nitrogen atom to which they are attached form an pyrrolidyl, oxazolidinyl, imidazolidinyl, piperidyl, piperazinyl or morpholinyl group.
  • a 1 , A 2 or A 3 and the number p of any substituents R 8 are chosen so that the ring is aromatic.
  • a 1 , A 2 or A 3 are O or S.
  • p is 0, 1 or 2, more preferably 1 .
  • R 8 When R 8 is attached to C, it is preferably independently selected from the group consisting of hydrogen and Ci-C6alkyl, more preferably when R 8 is attached to C, it is hydrogen or methyl, most preferably hydrogen.
  • R 8 When R 8 is attached to N, it is preferably independently selected from the group consisting of hydrogen and Ci-C6alkyl, more preferably when R 8 is attached to N, it is methyl.
  • Each R 9 is independently selected from the group consisting of halogen, cyano, -OH, -N(R 6 )2, Ci-C 4 alkyl, Ci-C 4 alkoxy, Ci-C 4 haloalkyl and Ci-C 4 haloalkoxy.
  • each R 9 is independently selected from the group consisting of halogen, cyano, -N(R 6 )2, Ci-C 4 alkyl, Ci-C 4 alkoxy, Ci-C 4 haloalkyl and Ci- C 4 haloalkoxy. More preferably, each R 9 is independently selected from the group consisting of halogen, Ci-C 4 alkyl, Ci-C 4 alkoxy and Ci-C 4 haloalkyl. Even more preferably, each R 9 is independently selected from the group consisting of halogen and Ci-C 4 alkyl.
  • X is selected from the group consisting of C3-C6cycloalkyl, phenyl, a 5- or 6- membered heteroaryl, which comprises 1 , 2, 3 or 4 heteroatoms individually selected from N, O and S, and a 4- to 6- membered heterocyclyl, which comprises 1 , 2 or 3 heteroatoms individually selected from N, O and S, and wherein said cycloalkyl, phenyl, heteroaryl or heterocyclyl moieties are optionally substituted by 1 or 2 substituents, which may be the same or different, selected from R 9 , and wherein the aforementioned CR 1 R 2 , Q and Z moieties may be attached at any position of said cycloalkyl, phenyl, heteroaryl or heterocyclyl moieties.
  • X is selected from the group consisting of phenyl and a 4- to 6- membered heterocyclyl, which comprises 1 or 2 heteroatoms individually selected from N and O, and wherein said phenyl or heterocyclyl moieties are optionally substituted by 1 or 2 substituents, which may be the same or different, selected from R 9 , and wherein the aforementioned CR 1 R 2 , Q and Z moieties may be attached at any position of said phenyl or heterocyclyl moieties.
  • X is a 4- to 6- membered heterocyclyl, which comprises 1 or 2 heteroatoms individually selected from N and O, and wherein said heterocyclyl moieties is optionally substituted by 1 or 2 substituents, which may be the same or different, selected from R 9 , and wherein the aforementioned CR 1 R 2 , Q and Z moieties may be attached at any position of said heterocyclyl moiety.
  • X is a 5-membered heterocyclyl, which comprises 1 heteroatom, wherein said heteroatom is N, and wherein the aforementioned CR 1 R 2 , Q and Z moieties may be attached at any position of said heterocyclyl moiety.
  • X is a 5-membered heterocyclyl, which comprises 1 heteroatom, wherein said heteroatom is N, and wherein the aforementioned CR 1 R 2 and Q moieties are attached adjacent to the N atom and the Z moiety is attached to the N atom.
  • X is phenyl optionally substituted by 1 or 2 substituents, which may be the same or different, selected from R 9 , and wherein the aforementioned CR 1 R 2 , Q and Z moieties may be attached at any position of said phenyl moiety.
  • X is phenyl and the aforementioned CR 1 R 2 and Q moieties are attached in a postion para to the Z moiety.
  • n is 0 or 1 .
  • n is 0.
  • Z is selected from the group consisting of -C(0)OR 10 , -CH2OH, -CHO, -C(0)NH0R 11 , -C(0)NHCN, - 0C(0)NH0R 11 , -0C(0)NHCN, -NR 6 C(0)NH0R 11 , -NR 6 C(0)NHCN, -C(0)NHS(0) 2 R 12 , -
  • Z is selected from the group consisting of -C(0)OR 10 , -C(0)NH0R 11 , -0C(0)NH0R 11 , - NR 6 C(0)NH0R 11 , -C(0)NHS(0) 2 R 12 , -0C(0)NHS(0) 2 R 12 , -NR 6 C(0)NHS(0) 2 R 12 , -S(0) 2 0R 10 , - 0S(0) 2 0R 10 , -NR 6 S(0) 2 0R 10 , -NR 6 S(0)OR 10 , -NHS(0) 2 R 14 , -S(0)OR 10 , -OS(0)OR 10 , -
  • Z is selected from the group consisting of -C(0)OR 10 , -C(0)NH0R 11 , - C(0)NHS(0) 2 R 12 , -S(0) 2 0R 10 , -0S(0) 2 0R 10 , -NR 6 S(0) 2 0R 10 , -NHS(0) 2 R 14 , -S(0)OR 10 and - P(0)(R 13 )(OR 10 ).
  • Z is selected from the group consisting of -C(0)OR 10 , -C(0)NHS(0) 2 R 12 , - S(0) 2 0R 10 , and -P(0)(R 13 )(OR 10 ).
  • Z is selected from the group consisting of -C(0)0H, -C(0)0CH3, - C(0)0CH 2 CH 3 , -C(0)0CH(CH 3 ) 2 , -C(0)0C(CH 3 ) 3 , -C(0)0CH 2 C 6 H5, -C(0)0C 6 H 5 , -C(0)NHS(0) 2 CH 3 , - S(0) 2 0H, -P(0)(0H)( OCH 2 CH 3 ) and -P(0)(0CH 2 CH 3 )(0CH 2 CH 3 ).
  • Z is -C(0)0H or -S(0) 2 0H.
  • R 10 is selected from the group consisting of hydrogen, Ci-C6alkyl, phenyl and benzyl, and wherein said phenyl or benzyl are optionally substituted by 1 , 2 or 3 R 9 substituents, which may be the same or different.
  • R 10 is selected from the group consisting of hydrogen, Ci-C6alkyl, phenyl and benzyl. More preferably, R 10 is selected from the group consisting of hydrogen and Ci-C6alkyl. Most preferably, R 10 is hydrogen.
  • R 11 is selected from the group consisting of hydrogen, Ci-C6alkyl and phenyl, and wherein said phenyl is optionally substituted by 1 , 2 or 3 R 9 substituents, which may be the same or different.
  • R 11 is selected from the group consisting of hydrogen, Ci-C6alkyl and phenyl. More preferably, R 11 is selected from the group consisting of hydrogen and Ci-C6alkyl. Even more preferably, R 11 is Ci-C6alkyl. Most preferably, R 11 is methyl.
  • R 12 is selected from the group consisting of Ci-C6alkyl, Ci-C6haloalkyl, Ci-C6alkoxy, -OH, -N(R 6 )2 and phenyl, and wherein said phenyl is optionally substituted by 1 , 2 or 3 R 9 substituents, which may be the same or different.
  • R 12 is selected from the group consisting of Ci-C6alkyl, Ci-C6haloalkyl, Ci- Cealkoxy, -OH, -N(R 6 )2 and phenyl. More preferably, R 12 is selected from the group consisting of Ci- Cealkyl, Ci-C6haloalkyl and -N(R 6 )2. Even more preferably, R 12 is selected from the group consisting of methyl, -N(Me)2 and trifluoromethyl. Most preferably, R 12 is methyl.
  • R 13 is selected from the group consisting of -OH, Ci-C6alkyl, Ci-C6alkoxy and phenyl.
  • R 13 is selected from the group consisting of -OH, Ci-C6alkyl and Ci-C6alkoxy. More preferably, R 13 is selected from the group consisting of -OH and Ci-C6alkoxy. Even more preferably, R 13 is selected from the group consisting of -OH, methoxy and ethoxy. Most preferably, R 13 is -OH.
  • R 14 is Ci-C6haloalkyl. Preferably, R 14 is trifluoromethyl.
  • R 15 is selected from the group consisting of Ci-C6alkyl and phenyl, and wherein said phenyl is optionally substituted by 1 , 2 or 3 R 9 substituents, which may be the same or different.
  • R 15 is selected from the group consisting of Ci-C6alkyl and phenyl. More preferably, R 15 is Ci-C6alkyl. Most preferably R 15 is methyl.
  • R 15a is phenyl, wherein said phenyl is optionally substituted by 1 , 2 or 3 R 9 substituents, which may be the same or different.
  • R 15a is phenyl optionally substituted by 1 R 9 substituent. More preferably, R 15a is phenyl.
  • R 16 and R 17 are independently selected from the group consisting of hydrogen and Ci-C6alkyl. Preferably, R 16 and R 17 are independently selected from the group consisting of hydrogen and methyl.
  • R 16 and R 17 together with the nitrogen atom to which they are attached form a 4- to 6- membered heterocyclyl ring which optionally comprises one additional heteroatom individually selected from N, O and S.
  • R 16 and R 17 together with the nitrogen atom to which they are attached form a 5- to 6-membered heterocyclyl ring which optionally comprises one additional heteroatom individually selected from N and O.
  • R 16 and R 17 together with the nitrogen atom to which they are attached form an pyrrolidyl, oxazolidinyl, imidazolidinyl, piperidyl, piperazinyl or morpholinyl group.
  • R 18 is selected from the group consisting of hydrogen, Ci-C6alkyl, Ci-C6haloalkyl, Ci-C6alkoxy, -N(R 6 )2 and phenyl, and wherein said phenyl is optionally substituted by 1 , 2 or 3 R 9 substituents, which may be the same or different.
  • R 18 is selected from the group consisting of hydrogen, Ci-C6alkyl, Ci-C6haloalkyl, Ci-C6alkoxy, -N(R 6 )2 and phenyl. More preferably, R 18 is selected from the group consisting of hydrogen, Ci-C6alkyl and Ci-C6haloalkyl.
  • R 18 is selected from the group consisting of Ci-C6alkyl and Ci-C6haloalkyl. Most preferably, R 18 is methyl or trifluoromethyl. r is 0, 1 or 2. Preferably, r is 0 or 2.
  • R 1 is hydrogen or Ci-C6alkyl
  • R 2 is hydrogen or methyl
  • Q is (CR 1a R 2b ) m ;
  • n 0, 1 or 2;
  • R 1a and R 2b are independently selected from the group consisting of hydrogen, Ci-C6alkyl, -OH and - NH 2 ;
  • R 3 and R 4 are independently selected from the group consisting of hydrogen and Ci-C6alkyl
  • each R 6 is independently selected from hydrogen and methyl
  • each R 7 is Ci-C6alkyl
  • a 1 , A 2 and A 3 may be optionally substituted by 1 or 2 R 8 substituents, which may be the same or different; each R 8 is independently selected from the group consisting of hydrogen, Ci-C6alkyl and Ci-C6haloalkyl;
  • R 8 When R 8 is attached to C, it is preferably independently selected from the group consisting of hydrogen and Ci-C6alkyl, more preferably when R 8 is attached to C, it is hydrogen or methyl, most preferably hydrogen.
  • R 8 When R 8 is attached to N, it is preferably independently selected from the group consisting of hydrogen and Ci-C6alkyl, more preferably when R 8 is attached to N, it is methyl.
  • n 0;
  • Z is selected from the group consisting of -C(0)OR 10 , -C(0)NHS(0) 2 R 12 , -S(0) 2 0R 10 , and - P(0)(R 13 )(OR 10 );
  • R 10 is selected from the group consisting of hydrogen, Ci-C6alkyl, phenyl and benzyl;
  • R 12 is selected from the group consisting of Ci-C6alkyl, Ci-C6haloalkyl and -N(R 6 )2;
  • R 13 is selected from the group consisting of -OH and Ci-C6alkoxy
  • R 15 is Ci-C 6 alkyl
  • R 16 and R 17 are independently selected from the group consisting of hydrogen and methyl; and r is 0 or 2. More preferably,
  • R 1 is hydrogen or methyl
  • R 2 is hydrogen or methyl
  • Q is (CR 1a R 2b ) m ;
  • n 1 or 2;
  • R 1a and R 2b are independently selected from the group consisting of hydrogen and methyl;
  • R 3 and R 4 are independently selected from the group consisting of hydrogen and methyl
  • R 8 when R 8 is attached to C, it is indpendently selected from hydrogen, chloro, fluoro, cyano, -NH 2 , -N(Me)2, -OH, -OMe, -S(0) 2 Me, -C(0)0Me, -C(0)0H, -C(0)Me, -C(0)NH 2 , -C(0)NHMe, -C(0)N(Me) 2 , methyl, ethyl and trifluoromethyl, more preferably hydrogen or methyl, most preferably hydrogen; and when R 8 is attached to N, it is indpendently selected from hydrogen, methyl and ethyl, more preferably methyl.
  • n is 0; and
  • Z is selected from the group consisting 0f -C(O)OH, -C(0)0CH3, -C(0)0CH 2 CH3, -C(0)0CH(CH3) 2 , - C(0)0C(CH 3 )3, -C(0)0CH 2 C 6 H5, -C(0)0C 6 H 5 , -C(0)NHS(0) 2 CH 3 , -S(0) 2 0H, -P(0)(0H)( OCH 2 CH 3 ) and -P(0)(0CH 2 CH3)(0CH 2 CH 3 ).
  • compounds of formula (I) may exist/be manufactured in‘procidal form’, wherein they comprise a group‘G’. Such compounds are referred to herein as compounds of formula (l-IV).
  • G is a group which may be removed in a plant by any appropriate mechanism including, but not limited to, metabolism and chemical degradation to give a compound of formula (l-l), (l-ll) or (l-lll) wherein Z contains an acidic proton, for example see the scheme below:
  • Z-G may include but is not limited to, any one of (G1) to (G7) below and E indicates the point of attachment to the remaining part of a compound of formula (I):
  • G, R 19 , R 20 , R 21 , R 22 and R 23 are defined as follows:
  • G is Ci-C6alkyl, C2-C6alkenyl, C2-C6alkynyl, -C(R 21 R 22 )0C(0)R 19 , phenyl or phenyl-Ci-C 4 alkyl-, wherein said phenyl moiety is optionally substituted by 1 to 5 substituents independently selected from halo, cyano, nitro, Ci-C6alkyl, Ci-C6haloalkyl or Ci-C6alkoxy.
  • R 19 is Ci-C6alkyl or phenyl
  • R 20 is hydroxy, Ci-C6alkyl, Ci-C6alkoxy or phenyl,
  • R 21 is hydrogen or methyl
  • R 22 is hydrogen or methyl
  • R 23 is hydrogen or Ci-C6alkyl.
  • This table discloses 53 specific compounds of the formula (T-1): wherein m, Q and Z are as defined in Table 1 , R 1 , R 2 , R 3 and R 4 are hydrogen and n is 0.
  • the compounds of formula (I) may be prepared by the alkylation of compounds of formula (X), wherein R 3 , R 4 , R 8 , A 1 , A 2 , A 3 and p are as defined for compounds of formula (I), with a suitable alkylating agent of formula (W), wherein n, R 1 , R 2 , Q, X and Z are as defined for compounds of formula (I) and LG is a suitable leaving group, for example, halide or pseudohalide such as triflate, mesylate or tosylate, in a suitable solvent at a suitable temperature, as described in reaction scheme 1 .
  • Example conditions include stirring a compound of formula (X) with an alkylating agent of formula (W) in a solvent, or mixture of solvents, such as acetone, dichloromethane, dichloroethane, A/,A/-dimethylformamide, acetonitrile, 1 ,4-dioxane, water, acetic acid or triflu roacetic acid at a temperature between -78°C and 150°C.
  • solvent such as acetone, dichloromethane, dichloroethane, A/,A/-dimethylformamide, acetonitrile, 1 ,4-dioxane, water, acetic acid or triflu roacetic acid at a temperature between -78°C and 150°C.
  • An alkylating agent of formula (W) may include, but is not limited to, bromoacetic acid, methyl bromoacetate, 3-bromopropionoic acid, methyl 3-bromopropionate, 2-bromo-A/-methoxyacetamide, sodium 2- bromoethanesulphonate, 2,2-dimethylpropyl 2-(trifluoromethylsulfonyloxy)ethanesulfonate, 2-bromo-A/- methanesulfonylacetamide, 3-bromo-A/-methanesulfonylpropanamide, dimethoxyphosphorylmethyl trifluoromethanesulfonate, dimethyl 3-bromopropylphosphonate, 3-chloro-2, 2-dimethyl-propanoic acid and diethyl 2-bromoethylphosphonate.
  • esters of /V-alkyl acids which include, but are not limited to, esters of carboxylic acids, phosphonic acids, phosphinic acids, sulfonic acids and sulfinic acids, may be subsequently partially or fully hydrolysed by treament with a suitable reagent, for example, aqueous hydrochloric acid or trimethylsilyl bromide, in a suitable solvent at a suitable temperature between 0°C and 100°C.
  • a suitable reagent for example, aqueous hydrochloric acid or trimethylsilyl bromide
  • compounds of formula (I) may be prepared by reacting compounds of formula (X), wherein R 3 , R 4 , R 8 , A 1 , A 2 , A 3 and p are as defined for compounds of formula (I), with a suitably activated electrophilic alkene of formula (B), wherein R 1 , R 2 and R 1a are as defined for compounds of formula (I) and Z is SO3R 11 , P(0)(R 13 )(OR 10 ) or C(0)OR 10 , in a suitable solvent at a suitable temperature.
  • Compounds of formula (B) are known in the literature, or may be prepared by known methods.
  • Example reagents include, but are not limited to, acrylic acid, methacrylic acid, crotonic acid, 3,3-dimethylacrylic acid, methyl acrylate, ethene sulfonic acid, isopropyl ethylenesulfonate, 2,2-dimethylpropyl ethenesulfonate and dimethyl vinylphosphonate.
  • esters of N-alkyl acids which include, but are not limited to, esters of carboxylic acids, phosphonic acids, phosphinic acids, sulfonic acids and sulfinic acids, may be subsequently partially or fully hydrolysed by treament with a suitable reagent in a suitable solvent at a suitable temperature, as described in reaction scheme 2.
  • Reaction scheme 2
  • An alkylating agent of formula (E) or (F) may include, but is not limited to, 1 ,3-propanesultone, 1 ,4-butanesultone, ethylenesulfate, 1 ,3- propylene sulfate and 1 ,2,3-oxathiazolidine 2,2-dioxide.
  • Such alkylating agents and related compounds are either known in the literature or may be prepared by known literature methods.
  • a compound of formula (I), wherein m is 0, n is 0 and Z is SO3H may be prepared from a compound of formula (I), wherein m is 0, n is 0 and Z is C(0)OR 10 , by treatment with trimethylsilylchlorosulfonate in a suitable solvent at a suitable temperature, as described in reaction scheme 4.
  • Preferred conditions include heating the carboxylate precursor in neat trimethylsilylchlorosulfonate at a temperature between 25°C and 150°C.
  • compounds of formula (I) may be prepared by reacting compounds of formula (X), wherein R 3 , R 4 , R 8 , A 1 , A 2 , A 3 and p are as previously defined, with a suitable alcohol of formula (WW), wherein R 1 , R 2 , Q, X, n and Z are as defined for compounds of formula (I), under Mitsunobu-type conditions such as those reported by Petit et al, Tet. Lett. 2008, 49 (22), 3663.
  • Suitable phosphines include triphenylphosphine
  • suitable azodicarboxylates include diisopropylazodicarboxylate
  • suitable acids include fluoroboric acid, triflic acid and bis(trifluoromethylsulfonyl)amine, as described in reaction scheme 5.
  • Such alcohols are either known in the literature or may be prepared by known literature methods.
  • a compound of formula (X), wherein wherein R 3 , R 8 , A 1 , A 2 , A 3 and p are as defined for compounds of formula (I) and R 4 is hydrogen may be prepared by a sequence starting with the diazotisation of an optionally substituted 2-alkynylaniline of formula (G), wherein R 3 , R 8 , A 1 , A 2 , A 3 and p are as defined for compounds of formula (I), with either an inorganic nitrite or alkyl nitrite in the presence of acid in a suitable solvent at a suitable temperature (for example, Von Richter, V. Chem.
  • a compound of formula (H) may be converted to a compound of formula (J), wherein Hal is chlorine or bromine, by treatment with known halogenating agents, such as phosphoryl halide, in a suitable solvent at a suitable temperature (for example, Ruchelman, A. L. et al Bioorg. Med. Chem., 2004, 12(4), 795-806).
  • known halogenating agents such as phosphoryl halide
  • a compound of formula (J), wherein wherein Hal is chlorine or bromine, may be reduced to a compound of formula (X), wherein R 4 is hydrogen, by a variety of methods, including treatment with tosyl hydrazine, to prepare a compound of formula (P), wherein R 3 , R 8 , A 1 , A 2 , A 3 and p are as defined for compounds of formula (I), followed by base, such as aqueous sodium carbonate, in a suitable solvent at a suitable temperature (for example, Osborn, A. R.; Schofield, K. J. Chem. Soc., 1956, 4207-13).
  • base such as aqueous sodium carbonate
  • a compound of formula (X), wherein both R 3 and R 4 are hydrogen, may be prepared by an analogous method starting from a compound of formula (G) wherein R 3 is SiMes or CO2H.
  • the direct products of the cyclisation may either deprotect under the conditions of the reaction as in the case where R 3 is SiMe3 (for example Chapoulaud V. G. et al Tetrahedron, 2000, 56, 5499), or may require a subsequent deprotection step as in the case where R 3 is CO2H (for example Schofield, K.; Simpson, J. C. E. J. Chem. Soc., 1945, 512-520).
  • Triazenes of formula (K) may be prepared by the diazotization of 2-ethynylanilines of formula (G), wherein R 3 is hydrogen, followed by trapping with an amine, such as diethylamine (for example, Kehoe, J. M. et al Org. Lett., 2000, 2(7), 969-972). These triazenes may be heated in an appropriate solvent at an appropriate temperature, such as dichlorobenzene at 200°C, to achieve the desired cyclisation (for example, Kimball, D. B. et al J. Org. Chem., 2002, 67(18), 6395-6405), as described in reaction scheme 7.
  • a compound of formula (X), wherein R 4 is hydrogen may be prepared by a sequence starting with the diazotisation of an optionally substituted 2-aminoarylketone of formula (L), wherein R 3 , R 8 , A 1 , A 2 , A 3 and p are as defined for compounds of formula (I), with either an inorganic nitrite or alkyl nitrite in the presence of acid in a suitable solvent at a suitable temperature (For similar chemistry see Burli et al WO 2014066836, Babu et al WO 2012106448, Borsche, W.; Herbert, A. Liebigs Ann. Chem., 1941 , 546, 293, and Koelsch, C. F. J. Org.
  • a compound of formula (H) may be further derivatised as described previously.
  • Compounds of formula (L) are known in the literature or may be prepared by known methods (for example, Stevens, M. A.; Giner-Sorolla, A.; Smith, H. W.; Brown, G. B. J. Org. Chem. 1962, 27, 567, Kiehneet al DE 1945964, Lam, F. L.; Parham, J. C. J. Am. Chem. Soc. 1975, 97(10), 2839, Stepanova, S. V.; L'vova, S. D.; Belikov, A. B.; Gunar, V. I.
  • a compound of formula (X) may be prepared by the diazotisation of a 2- aminostyrene of formula (Q), wherein R 3 , R 8 , A 1 , A 2 , A 3 and p are as defined for compounds of formula (I), with either an inorganic nitrite or alkyl nitrite in the presence of acid in a suitable solvent at a suitable temperature (for related chemistry see Widman, O. Chem. Ber., 1884, 17, 722 and Stoermer, R.; Fincke, H. Chem. Ber., 1909, 42, 31 15), as described in reaction scheme 9.
  • a compound of formula (X) may be prepared, as described in reaction scheme 10, by a sequence starting with the conversion of a compound of formula (R) to a halo-alkene of formula (S), wherein R 3 , R 4 , R 8 , A 1 , A 2 , A 3 and p are as defined for a compound of formula (I), LG is a halide or pseudohalide such as triflate, mesylate or tosylate and Hal is either chlorine, bromine or iodine.
  • Such a transformation is carried out by a suitable reagent in a suitable solvent at a suitable temperature, for example treating a compound of formula (R) with a halomethyl triphenylphosphonium salt in the presence of a base such as potassium te/ -butoxide in a solvent such as tetrahydrofuran.
  • a compound of formula (S) may then be coupled with a compound of formula (TT), wherein R‘ is C1-C3 alkyl, in the presence of a suitable transition metal catalyst, suitable ligand, suitable base and in a suitable solvent.
  • Example conditions include treating a compound of formula (S) with diethyl hydrazine-1 ,2-dicarboxylate, copper iodide, 1 ,2-ethanediamine and potassium carbonate in 1 ,4-dioxane.
  • a compound of formula (T) may then be converted to a compound of formula (X) by treatment with aqueous sodium hydroxide followed by aerial oxidation. See, for example, Ball, C. J.; Gilmore, J.; Willis, M. C. Angew. Chem. Int. Ed., 2012, 51 (23), 5718.
  • R' C r C 3 alkyl
  • Compounds of formula (H), wherein R 3 , R 8 , A 1 , A 2 , A 3 and p are as previously defined, may be further derivatised by alkylation or acylation with a range of carbon electrophiles of formula (U), wherein R 4 is Ci-C6alkyl, Ci-C6alkylcarbonyl, C3-C6cycloalkyl, Ci-C6haloalkyl, C3-C6alkenyl, C3-C6alkynyl, Ci- Cealkoxycarbonyl, Ci-C6alkylaminocarbonyl or di-Ci-C6alkylaminocarbonyl and wherein LG is a halide or pseudohalide such as triflate, mesylate or tosylate, or by reaction with suitably activated electrophilic alkene, in the presence of an appropriate base, in an appropriate solvent at an appropriate temperature (for example, see WO201 1/159854), as described in reaction scheme 1 1 .
  • R 4 OR 7 (R 7 is not H),
  • a compound of formula (V), wherein R 4 , R 8 , A 1 , A 2 , A 3 and p are as defined for a compound of formula (I), and a compound of formula (J), wherein Hal is a halogen or pseudo-halogen such as mesylate, tosylate or triflate, may both be derivatised by a range of transition-metal catalyzed cross couplings, including but not limited to, Suzuki (for example Heiter, H. J. et al J. Heterocyclic. Chem., 2013, 50(1 ), 141 -144), Negishi (for example see WO2015/086523), Stille (for example Bui, C. T.; Flynn, B. L. Mol.
  • a compound of formula (V) and a compound of formula (J), as previously described, may both be further derivatised by substitution with various nucleophiles to afford a compound of formula (X), as described in reaction scheme 13.
  • Suitable nucleophiles include, but are not limited to, optionally substituted alcohols, amines, thiols and sulfinates. Such a substitution is preferably achieved at the C4 position, and these reactions are known in the literature.
  • the compounds according to the invention can be used as herbicidal agents in unmodified form, but they are generally formulated into compositions in various ways using formulation adjuvants, such as carriers, solvents and surface-active substances.
  • formulation adjuvants such as carriers, solvents and surface-active substances.
  • the formulations can be in various physical forms, e.g.
  • micronutrients biological organisms, oil or solvents.
  • the formulations can be prepared e.g. by mixing the active ingredient with the formulation adjuvants in order to obtain compositions in the form of finely divided solids, granules, solutions, dispersions or emulsions.
  • the active ingredients can also be formulated with other adjuvants, such as finely divided solids, mineral oils, oils of vegetable or animal origin, modified oils of vegetable or animal origin, organic solvents, water, surface-active substances or combinations thereof.
  • the active ingredients can also be contained in very fine microcapsules.
  • Microcapsules contain the active ingredients in a porous carrier. This enables the active ingredients to be released into the environment in controlled amounts (e.g. slow-release).
  • Microcapsules usually have a diameter of from 0.1 to 500 microns. They contain active ingredients in an amount of about from 25 to 95 % by weight of the capsule weight.
  • the active ingredients can be in the form of a monolithic solid, in the form of fine particles in solid or liquid dispersion or in the form of a suitable solution.
  • the encapsulating membranes can comprise, for example, natural or synthetic rubbers, cellulose, styrene/butadiene copolymers, polyacrylonitrile, polyacrylate, polyesters, polyamides, polyureas, polyurethane or chemically modified polymers and starch xanthates or other polymers that are known to the person skilled in the art.
  • very fine microcapsules can be formed in which the active ingredient is contained in the form of finely divided particles in a solid matrix of base substance, but the microcapsules are not themselves encapsulated.
  • liquid carriers there may be used: water, toluene, xylene, petroleum ether, vegetable oils, acetone, methyl ethyl ketone, cyclohexanone, acid anhydrides, acetonitrile, acetophenone, amyl acetate, 2-butanone, butylene carbonate, chlorobenzene, cyclohexane, cyclohexanol, alkyl esters of acetic acid, diacetone alcohol, 1 ,2-dichloropropane, diethanolamine, p- diethylbenzene, diethylene glycol, diethylene glycol abietate, diethylene glycol butyl ether, diethylene glycol ethyl ether, diethylene glycol methyl ether, A/,A/-dimethylformamide, dimethyl sulfoxide, 1 ,4- dioxane, di
  • Suitable solid carriers are, for example, talc, titanium dioxide, pyrophyllite clay, silica, attapulgite clay, kieselguhr, limestone, calcium carbonate, bentonite, calcium montmorillonite, cottonseed husks, wheat flour, soybean flour, pumice, wood flour, ground walnut shells, lignin and similar substances.
  • a large number of surface-active substances can advantageously be used in both solid and liquid formulations, especially in those formulations which can be diluted with a carrier prior to use.
  • Surface- active substances may be anionic, cationic, non-ionic or polymeric and they can be used as emulsifiers, wetting agents or suspending agents or for other purposes.
  • Typical surface-active substances include, for example, salts of alkyl sulfates, such as diethanolammonium lauryl sulfate; salts of alkylarylsulfonates, such as calcium dodecylbenzenesulfonate; alkylphenol/alkylene oxide addition products, such as nonylphenol ethoxylate; alcohol/alkylene oxide addition products, such as tridecylalcohol ethoxylate; soaps, such as sodium stearate; salts of alkylnaphthalenesulfonates, such as sodium dibutylnaphthalenesulfonate; dialkyl esters of sulfosuccinate salts, such as sodium di(2- ethylhexyl)sulfosuccinate; sorbitol esters, such as sorbitol oleate; quaternary amines, such as lauryltrimethylammonium chloride, polyethylene glycol esters of
  • Further adjuvants that can be used in pesticidal formulations include crystallisation inhibitors, viscosity modifiers, suspending agents, dyes, anti-oxidants, foaming agents, light absorbers, mixing auxiliaries, antifoams, complexing agents, neutralising or pH-modifying substances and buffers, corrosion inhibitors, fragrances, wetting agents, take-up enhancers, micronutrients, plasticisers, glidants, lubricants, dispersants, thickeners, antifreezes, microbicides, and liquid and solid fertilisers.
  • compositions according to the invention can include an additive comprising an oil of vegetable or animal origin, a mineral oil, alkyl esters of such oils or mixtures of such oils and oil derivatives.
  • the amount of oil additive in the composition according to the invention is generally from 0.01 to 10 %, based on the mixture to be applied.
  • the oil additive can be added to a spray tank in the desired concentration after a spray mixture has been prepared.
  • Preferred oil additives comprise mineral oils or an oil of vegetable origin, for example rapeseed oil, olive oil or sunflower oil, emulsified vegetable oil, alkyl esters of oils of vegetable origin, for example the methyl derivatives, or an oil of animal origin, such as fish oil or beef tallow.
  • Preferred oil additives comprise alkyl esters of C8-C22 fatty acids, especially the methyl derivatives of C12-C18 fatty acids, for example the methyl esters of lauric acid, palmitic acid and oleic acid (methyl laurate, methyl palmitate and methyl oleate, respectively).
  • Many oil derivatives are known from the Compendium of Herbicide Adjuvants, 10 th Edition, Southern Illinois University, 2010.
  • the herbicidal compositions generally comprise from 0.1 to 99 % by weight, especially from 0.1 to 95 % by weight, compounds of formula (I) and from 1 to 99.9 % by weight of a formulation adjuvant which preferably includes from 0 to 25 % by weight of a surface-active substance.
  • the inventive compositions generally comprise from 0.1 to 99 % by weight, especially from 0.1 to 95 % by weight, of compounds of the present invention and from 1 to 99.9 % by weight of a formulation adjuvant which preferably includes from 0 to 25 % by weight of a surface-active substance. Whereas commercial products may preferably be formulated as concentrates, the end user will normally employ dilute formulations.
  • the rates of application vary within wide limits and depend on the nature of the soil, the method of application, the crop plant, the pest to be controlled, the prevailing climatic conditions, and other factors governed by the method of application, the time of application and the target crop.
  • a general guideline compounds may be applied at a rate of from 1 to 2000 l/ha, especially from 10 to 1000 l/ha.
  • Preferred formulations can have the following compositions (weight %):
  • Emulsifiable concentrates are:
  • active ingredient 1 to 95 %, preferably 60 to 90 %
  • surface-active agent 1 to 30 %, preferably 5 to 20 %
  • liquid carrier 1 to 80 %, preferably 1 to 35 % Dusts:
  • active ingredient 0.1 to 10 %, preferably 0.1 to 5 %
  • solid carrier 99.9 to 90 %, preferably 99.9 to 99 %
  • active ingredient 5 to 75 %, preferably 10 to 50 %
  • surface-active agent 1 to 40 %, preferably 2 to 30 %
  • active ingredient 0.5 to 90 %, preferably 1 to 80 %
  • surface-active agent 0.5 to 20 %, preferably 1 to 15 %
  • solid carrier 5 to 95 %, preferably 15 to 90 %
  • active ingredient 0.1 to 30 %, preferably 0.1 to 15 %
  • solid carrier 99.5 to 70 %, preferably 97 to 85 %
  • composition of the present may further comprise at least one additional pesticide.
  • additional pesticide is a herbicide and/or herbicide safener.
  • compounds of formula (I) can be used in combination with one or more other herbicides to provide various herbicidal mixtures.
  • specific examples of such mixtures include (wherein “I” represents a compound of formula (I)):- 1 + acetochlor; I + acifluorfen (including acifluorfen-sodium); I + aclonifen; I + alachlor; I + alloxydim; I + ametryn; I + amicarbazone; I + amidosulfuron; I + aminocyclopyrachlor ; I + aminopyralid; I + amitrole; I + asulam; I + atrazine; I + bensulfuron (including bensulfuron-methyl); I + bentazone; I + bicyclopyrone; I + bilanafos; I + bifenox; I + bispyribac-sodium; I + bixlozone; I + bromacil; I + bromoxynil; I + butachlor; I
  • the mixing partners of the compound of formula (I) may also be in the form of esters or salts, as mentioned e.g. in The Pesticide Manual, Fourteenth Edition, British Crop Protection Council, 2006.
  • the compound of formula (I) can also be used in mixtures with other agrochemicals such as fungicides, nematicides or insecticides, examples of which are given in The Pesticide Manual.
  • the mixing ratio of the compound of formula (I) to the mixing partner is preferably from 1 : 100 to 1000:1 .
  • mixtures can advantageously be used in the above-mentioned formulations (in which case "active ingredient” relates to the respective mixture of compound of formula (I) with the mixing partner).
  • Compounds of formula (I) of the present invention may also be combined with herbicide safeners.
  • Preferred combinations include:- I + benoxacor, I + cloquintocet (including cloquintocet-mexyl); I + cyprosulfamide; I + dichlormid; I + fenchlorazole (including fenchlorazole-ethyl); I + fenclorim; I + fluxofenim; l+ furilazole I + isoxadifen (including isoxadifen-ethyl); I + mefenpyr (including mefenpyr-diethyl); I + metcamifen; I + N-(2-methoxybenzoyl)- 4-[(methylaminocarbonyl)amino] benzenesulfonamide and I + oxabetrinil.
  • the safeners of the compound of formula (I) may also be in the form of esters or salts, as mentioned e.g. in The Pesticide Manual, 14 th Edition (BCPC), 2006.
  • the reference to cloquintocet-mexyl also applies to a lithium, sodium, potassium, calcium, magnesium, aluminium, iron, ammonium, quaternary ammonium, sulfonium or phosphonium salt thereof as disclosed in WO 02/34048, and the reference to fenchlorazole-ethyl also applies to fenchlorazole, etc.
  • the mixing ratio of compound of formula (I) to safener is from 100:1 to 1 :10, especially from 20:1 to 1 :1 .
  • mixtures can advantageously be used in the above-mentioned formulations (in which case "active ingredient” relates to the respective mixture of compound of formula (I) with the safener).
  • the compounds of formula (I) of this invention are useful as herbicides.
  • the present invention therefore further comprises a method for controlling unwanted plants comprising applying to the said plants or a locus comprising them, an effective amount of a compound of the invention or a herbicidal composition containing said compound.
  • Controlling means killing, reducing or retarding growth or preventing or reducing germination.
  • weeds unwanted plants
  • Locus means the area in which the plants are growing or will grow.
  • the rates of application of compounds of formula (I) may vary within wide limits and depend on the nature of the soil, the method of application (pre-emergence; post-emergence; application to the seed furrow; no tillage application etc.), the crop plant, the weed(s) to be controlled, the prevailing climatic conditions, and other factors governed by the method of application, the time of application and the target crop.
  • the compounds of formula (I) according to the invention are generally applied at a rate of from 10 to 2000 g/ha, especially from 50 to 1000 g/ha.
  • the application is generally made by spraying the composition, typically by tractor mounted sprayer for large areas, but other methods such as dusting (for powders), drip or drench can also be used.
  • composition according to the invention can be used include crops such as cereals, for example barley and wheat, cotton, oilseed rape, sunflower, maize, rice, soybeans, sugar beet, sugar cane and turf.
  • crops such as cereals, for example barley and wheat, cotton, oilseed rape, sunflower, maize, rice, soybeans, sugar beet, sugar cane and turf.
  • Crop plants can also include trees, such as fruit trees, palm trees, coconut trees or other nuts. Also included are vines such as grapes, fruit bushes, fruit plants and vegetables.
  • Crops are to be understood as also including those crops which have been rendered tolerant to herbicides or classes of herbicides (e.g. ALS-, GS-, EPSPS-, PPO-, ACCase- and HPPD-inhibitors) by conventional methods of breeding or by genetic engineering.
  • herbicides or classes of herbicides e.g. ALS-, GS-, EPSPS-, PPO-, ACCase- and HPPD-inhibitors
  • An example of a crop that has been rendered tolerant to imidazolinones, e.g. imazamox, by conventional methods of breeding is Clearfield® summer rape (canola).
  • crops that have been rendered tolerant to herbicides by genetic engineering methods include e.g. glyphosate- and glufosinate-resistant maize varieties commercially available under the trade names RoundupReady® and LibertyLink®.
  • Crops are also to be understood as being those which have been rendered resistant to harmful insects by genetic engineering methods, for example Bt maize (resistant to European corn borer), Bt cotton (resistant to cotton boll weevil) and also Bt potatoes (resistant to Colorado beetle).
  • Bt maize are the Bt 176 maize hybrids of NK® (Syngenta Seeds).
  • the Bt toxin is a protein that is formed naturally by Bacillus thuringiensis soil bacteria.
  • Examples of toxins, or transgenic plants able to synthesise such toxins are described in EP-A-451 878, EP-A-374 753, WO 93/07278, WO 95/34656, WO 03/052073 and EP-A-427 529.
  • transgenic plants comprising one or more genes that code for an insecticidal resistance and express one or more toxins are KnockOut® (maize), Yield Gard® (maize), NuCOTIN33B® (cotton), Bollgard® (cotton), NewLeaf® (potatoes), NatureGard® and Protexcta®.
  • Plant crops or seed material thereof can be both resistant to herbicides and, at the same time, resistant to insect feeding ("stacked" transgenic events).
  • seed can have the ability to express an insecticidal Cry3 protein while at the same time being tolerant to glyphosate.
  • Crops are also to be understood to include those which are obtained by conventional methods of breeding or genetic engineering and contain so-called output traits (e.g. improved storage stability, higher nutritional value and improved flavour).
  • output traits e.g. improved storage stability, higher nutritional value and improved flavour.
  • turf grass for example in golf-courses, lawns, parks and roadsides, or grown commercially for sod
  • ornamental plants such as flowers or bushes.
  • Compounds of formula (I) and compositions of the invention can typically be used to control a wide variety of monocotyledonous and dicotyledonous weed species.
  • monocotyledonous species that can typically be controlled include Alopecurus myosuroides, Avena fatua, Brachiaria plantaginea, Bromus tectorum, Cyperus esculentus, Digitaria sanguinalis, Echinochloa crus-galli, Lolium perenne, Lolium multiflorum, Panicum miliaceum, Poa annua, Setaria viridis, Setaria faberi and Sorghum bicolor.
  • dicotyledonous species that can be controlled include Abutilon theophrasti, Amaranthus retroflexus, Bidens pilosa, Chenopodium album, Euphorbia heterophylla, Galium aparine, Ipomoea hederacea, Kochia scoparia, Polygonum convolvulus, Sida spinosa, Sinapis arvensis, Solanum nigrum, Stellaria media, Veronica persica and Xanthium strumarium.
  • the compounds of formula (I) are also useful for pre-harvest desiccation in crops, for example, but not limited to, potatoes, soybean, sunflowers and cotton.
  • Pre-harvest desiccation is used to desiccate crop foliage without significant damage to the crop itself to aid harvesting.
  • Compounds/compositions of the invention are particularly useful in non-selective burn-down applications, and as such may also be used to control volunteer or escape crop plants.
  • Emulsions of any required dilution which can be used in plant protection, can be obtained from this concentrate by dilution with water.
  • mineral filler 96 % Ready-for-use dusts are obtained by mixing the combination with the carrier and grinding the mixture in a suitable mill.
  • the combination is mixed and ground with the adjuvants, and the mixture is moistened with water.
  • the mixture is extruded and then dried in a stream of air.
  • polyethylene glycol (mol. wt. 200) 3 %
  • the finely ground combination is uniformly applied, in a mixer, to the kaolin moistened with polyethylene glycol.
  • Non-dusty coated granules are obtained in this manner.
  • nonylphenol polyethylene glycol ether (15 mol of ethylene oxide) 6 %
  • silicone oil (in the form of a 75 % emulsion in water) 1 %
  • 28 parts of the combination are mixed with 2 parts of an aromatic solvent and 7 parts of toluene diisocyanate/polymethylene-polyphenylisocyanate-mixture (8:1).
  • This mixture is emulsified in a mixture of 1 .2 parts of polyvinylalcohol, 0.05 parts of a defoamer and 51 .6 parts of water until the desired particle size is achieved.
  • a mixture of 2.8 parts 1 ,6-diaminohexane in 5.3 parts of water is added. The mixture is agitated until the polymerization reaction is completed.
  • the obtained capsule suspension is stabilized by adding 0.25 parts of a thickener and 3 parts of a dispersing agent.
  • the capsule suspension formulation contains 28% of the active ingredients.
  • the medium capsule diameter is 8-15 microns.
  • the resulting formulation is applied to seeds as an aqueous suspension in an apparatus suitable for that purpose.
  • Boc ferf-butyloxy carbonyl
  • HPLC high-performance liquid chromatography (description of the apparatus and the methods used for HPLC are given below)
  • Electrospray positive and negative Cone (V) 20.00, Source Temperature (°C) 120, Cone Gas Flow (L/Hr.) 50
  • the preparative HPLC was conducted using an 11.4 minute run time (not using at column dilution, bypassed with the column selector), according to the following gradient table:
  • Solvent A Water with 0.05% Trifluoroacetic Acid
  • Solvent B Acetonitrile with 0.05% Trifluoroacetic Acid
  • Step 1 Preparation of 1-(5-amino-1-methyl-pyrazol-4-yl)ethanone
  • Step 2 Preparation of thieno[3,2-c]pyridazin-4-ol
  • Step 1 Preparation of 1 -methylpyrazolo[4,3-c]pyridazin-7-ol
  • Step 2 Preparation of 7-chloro-1 -methyl-pyrazolo[4,3-c]pyridazine
  • Step 4 Preparation of 3-(1 -methylpyrazolo[4,3-c]pyridazin-5-ium-5-yl)propanoic acid 2,2,2- trifluoroacetate A4
  • Step 1 Preparation of 3,6-dichloro-JV-methyl-pyridazin-4-amine
  • Step 2 Preparation of 3-chloro-5-(methylamino)-1 H-pyridazin-6-one hydrazone
  • Step 6 Preparation of 3-(1-methyltriazolo[4,5-c]pyridazin-5-ium-5-yl)propanoic acid 2,2,2- trifluoroacetate A5
  • Step 1 Preparation of 1-(5-amino-1-methyl-pyrazol-4-yl)propan-1-one
  • Step 2 Preparation of 1 ,5-dimethylpyrazolo[3,4-c]pyridazin-4-ol
  • Step 3 Preparation of 4-chloro-1 ,5-dimethyl-pyrazolo[3,4-c]pyridazine
  • Step 4 Preparation of 1 ,5-dimethylpyrazolo[3,4-c]pyridazine
  • Step 5 Preparation of 3-(1 ,5-dimethylpyrazolo[3,4-c]pyridazin-6-ium-6-yl)propane-1 -sulfonate A6
  • oxathiolane 2,2-dioxide 0.247 g
  • reaction mass was concentrated and purified by preparative reverse phase HPLC to give 3-(1 ,5- dimethylpyrazolo[3,4-c]pyridazin-6-ium-6-yl)propane-1 -sulfonate as a gum.
  • Step 1 Preparation of 3-bromo-1-methyl-pyrazolo[3,4-c]pyridazine
  • Step 3 Preparation of 3-[3-(ethylcarbamoyl)-1-methyl-pyrazolo[3,4-c]pyridazin-6-ium-6- yl]propanoic acid 2,2,2-trifluoroacetate A8
  • Ipomoea hederacea IPHE
  • Euphorbia heterophylla EPHHL
  • Chenopodium album CHEAL
  • Amaranthus palmeri AMAPA
  • Lolium perenne LLOLPE
  • Digitaria sanguinalis DIGSA
  • Eleusine indica ELEIN
  • Echinochloa crus-galli EHCG
  • Setaria faberi SETFA

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Abstract

L'invention concerne des composés de formule (I) dans laquelle les substituants sont tels que définis dans la revendication 1, utiles en tant que pesticides, en particulier en tant qu'herbicides.
PCT/EP2020/052910 2019-02-06 2020-02-05 Composés pyridazine fusionnés herbicides WO2020161208A1 (fr)

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Cited By (1)

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Publication number Priority date Publication date Assignee Title
WO2023081857A1 (fr) 2021-11-04 2023-05-11 Skyhawk Therapeutics, Inc. Dérivés condensés amines pyridazines traitant le sca3

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