Classifications

• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07D—HETEROCYCLIC COMPOUNDS
  • C07D295/00—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms
  • C07D295/04—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms
  • C07D295/08—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by singly bound oxygen or sulfur atoms
  • C07D295/084—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by singly bound oxygen or sulfur atoms with the ring nitrogen atoms and the oxygen or sulfur atoms attached to the same carbon chain, which is not interrupted by carbocyclic rings
  • C07D295/088—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by singly bound oxygen or sulfur atoms with the ring nitrogen atoms and the oxygen or sulfur atoms attached to the same carbon chain, which is not interrupted by carbocyclic rings to an acyclic saturated chain
• • 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
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
  • C07C205/00—Compounds containing nitro groups bound to a carbon skeleton
  • C07C205/49—Compounds containing nitro groups bound to a carbon skeleton the carbon skeleton being further substituted by carboxyl groups
  • C07C205/57—Compounds containing nitro groups bound to a carbon skeleton the carbon skeleton being further substituted by carboxyl groups having nitro groups and carboxyl groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton
  • C07C205/58—Compounds containing nitro groups bound to a carbon skeleton the carbon skeleton being further substituted by carboxyl groups having nitro groups and carboxyl groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton the carbon skeleton being further substituted by halogen atoms
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
  • C07C229/00—Compounds containing amino and carboxyl groups bound to the same carbon skeleton
  • C07C229/52—Compounds containing amino and carboxyl groups bound to the same carbon skeleton having amino and carboxyl groups bound to carbon atoms of six-membered aromatic rings of the same carbon skeleton
  • C07C229/54—Compounds containing amino and carboxyl groups bound to the same carbon skeleton having amino and carboxyl groups bound to carbon atoms of six-membered aromatic rings of the same carbon skeleton with amino and carboxyl groups bound to carbon atoms of the same non-condensed six-membered aromatic ring
  • C07C229/60—Compounds containing amino and carboxyl groups bound to the same carbon skeleton having amino and carboxyl groups bound to carbon atoms of six-membered aromatic rings of the same carbon skeleton with amino and carboxyl groups bound to carbon atoms of the same non-condensed six-membered aromatic ring with amino and carboxyl groups bound in meta- or para- positions
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
  • C07C235/00—Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by oxygen atoms
  • C07C235/02—Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by oxygen atoms having carbon atoms of carboxamide groups bound to acyclic carbon atoms and singly-bound oxygen atoms bound to the same carbon skeleton
  • C07C235/04—Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by oxygen atoms having carbon atoms of carboxamide groups bound to acyclic carbon atoms and singly-bound oxygen atoms bound to the same carbon skeleton the carbon skeleton being acyclic and saturated
  • C07C235/06—Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by oxygen atoms having carbon atoms of carboxamide groups bound to acyclic carbon atoms and singly-bound oxygen atoms bound to the same carbon skeleton the carbon skeleton being acyclic and saturated having the nitrogen atoms of the carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
  • C07C235/00—Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by oxygen atoms
  • C07C235/02—Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by oxygen atoms having carbon atoms of carboxamide groups bound to acyclic carbon atoms and singly-bound oxygen atoms bound to the same carbon skeleton
  • C07C235/04—Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by oxygen atoms having carbon atoms of carboxamide groups bound to acyclic carbon atoms and singly-bound oxygen atoms bound to the same carbon skeleton the carbon skeleton being acyclic and saturated
  • C07C235/08—Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by oxygen atoms having carbon atoms of carboxamide groups bound to acyclic carbon atoms and singly-bound oxygen atoms bound to the same carbon skeleton the carbon skeleton being acyclic and saturated having the nitrogen atom of at least one of the carboxamide groups bound to an acyclic carbon atom of a hydrocarbon radical substituted by singly-bound oxygen atoms
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
  • C07C251/00—Compounds containing nitrogen atoms doubly-bound to a carbon skeleton
  • C07C251/32—Oximes
  • C07C251/62—Oximes having oxygen atoms of oxyimino groups esterified
  • C07C251/64—Oximes having oxygen atoms of oxyimino groups esterified by carboxylic acids
  • C07C251/66—Oximes having oxygen atoms of oxyimino groups esterified by carboxylic acids with the esterifying carboxyl groups bound to hydrogen atoms, to acyclic carbon atoms or to carbon atoms of rings other than six-membered aromatic rings
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
  • C07C259/00—Compounds containing carboxyl groups, an oxygen atom of a carboxyl group being replaced by a nitrogen atom, this nitrogen atom being further bound to an oxygen atom and not being part of nitro or nitroso groups
  • C07C259/04—Compounds containing carboxyl groups, an oxygen atom of a carboxyl group being replaced by a nitrogen atom, this nitrogen atom being further bound to an oxygen atom and not being part of nitro or nitroso groups without replacement of the other oxygen atom of the carboxyl group, e.g. hydroxamic acids
  • C07C259/06—Compounds containing carboxyl groups, an oxygen atom of a carboxyl group being replaced by a nitrogen atom, this nitrogen atom being further bound to an oxygen atom and not being part of nitro or nitroso groups without replacement of the other oxygen atom of the carboxyl group, e.g. hydroxamic acids having carbon atoms of hydroxamic groups bound to hydrogen atoms or to acyclic carbon atoms
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
  • C07C327/00—Thiocarboxylic acids
  • C07C327/20—Esters of monothiocarboxylic acids
  • C07C327/28—Esters of monothiocarboxylic acids having sulfur atoms of esterified thiocarboxyl groups bound to carbon atoms of hydrocarbon radicals substituted by singly-bound oxygen atoms
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
  • C07C331/00—Derivatives of thiocyanic acid or of isothiocyanic acid
  • C07C331/16—Isothiocyanates
  • C07C331/26—Isothiocyanates having isothiocyanate groups bound to carbon atoms of rings other than six-membered aromatic rings
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07D—HETEROCYCLIC COMPOUNDS
  • C07D237/00—Heterocyclic compounds containing 1,2-diazine or hydrogenated 1,2-diazine rings
  • C07D237/02—Heterocyclic compounds containing 1,2-diazine or hydrogenated 1,2-diazine rings not condensed with other rings
  • C07D237/04—Heterocyclic compounds containing 1,2-diazine or hydrogenated 1,2-diazine rings not condensed with other rings having less than three double bonds between ring members or between ring members and non-ring members
• • 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
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
  • C07C2601/00—Systems containing only non-condensed rings
  • C07C2601/12—Systems containing only non-condensed rings with a six-membered ring
  • C07C2601/14—The ring being saturated

Definitions

• Phenyl imino-thiadi azabycycloal kane derivatives processes and intermediates for thei r preparation and their use as herbicides
• the present invention relates to novel herbicidally active phenylimino-thiadiazabicyclo- alkanes, to a process for the preparation thereof, to compositions comprising those compounds, and to the use thereof in the control of weeds, especially in crops of useful plants, or in the inhibition of plant growth.
• Phenylimino-thiadiazabicyclononane compounds having herbicidal activity are known and are described, for example, in EP-A-0238 711.
• the present invention therefore relates to compounds of formula I
• R is Ci- alkyl, C r C 6 haloalkyl, C 3 -C 6 alkenyl, C 3 -C 6 alkynyl, C 1 -C 4 alkoxy or C 3 -C 6 - cycloalkyl;
• Rj is halogen
• R 2 and R 3 are each independently of the other C C 4 al yl;
• R is halogen or a group of the formula -X-R 5 . -X-A-R 6 or — N ;
• R 5 is hydrogen, C ⁇ -C 6 alkyl, Ci-Cghaloalkyl, C 1 -C 4 alkoxy-C 1 -C 4 alkyl, C 1 -C 10 alkylthio- C 1 -C 4 alkyl, C 1 -C 4 __lkylamino-C 1 -C 4 alkyl, di-C 1 -C 4 alkylamino-C 1 -C 4 alkyl, cyano-C j -Cg- alkyl, C 3 -C 8 alkenyl, C 3 -C 8 haloalkenyl, C 3 -C 8 alkynyl, C 3 -C 6 cycloalkyl, oxetanyl, C 3 -C 7 - halocycloalkyl, C 3 -C 7 cycloalkyl-C 1 -C 4 alkyl, phenyl-C r C 3 __lkyl that is unsubstituted or
• X is oxygen or sulfur
• A is C 1 -C 4 alkylene
• R 6 is a 5- or 6-membered heterocyclic ring that contains from 1 to 3 hetero atoms selected from the group oxygen, nitrogen and sulfur and that is bonded via the carbon or nitrogen atom to the alkylene chain A, it being possible for the heterocyclic ring in turn also to be benzene-fused and mono- or di-substituted by halogen, C 1 -C 4 alkyl, C 1 -C 3 haloalkyl,
• R 7 is hydrogen, C,-C 6 alkyl, C 1 -C 4 haloalkyl, C r C 4 al oxy, C 1 -C 4 __lkoxy-C 1 -C 4 alkyl,
• R 8 is hydrogen, C r C 6 alkyl, C 1 -C 4 haloalkyl, C 1 -C 4 alkoxy-C 1 -C 4 alkyl, hydroxy-C r C 4 - alkyl, C 3 -C 6 alkenyl, phenyl or phenyl-C 1 -C 3 alkyl, the phenyl ring being unsubstituted or mono-, di- or tri-substituted by halogen, C ⁇ -C 4 alkyl, C 1 -C 4 haloalkyl, C r C 4 alkoxy or by
• R 7 and R 8 together with the nitrogen atom to which they are bonded, form a pyrrolidino, piperidino, morpholino, thiomorpholino or piperazino ring that is unsubstituted or mono- or di-substituted by C 1 -C 3 alkyl;
• Z is oxygen or sulfur; n is 3, 4 or 5; and n, is 0, 1, 2 or 3, and to salts of those compounds.
• alkyl groups that occur in the definitions of the substituents may be straight-chained or branched and are, for example, methyl, ethyl, n-propyl, isopropyl, n-butyl, sec-butyl, isobutyl, tert-butyl and the various isomers of pentyl and hexyl radicals. Methyl, ethyl, n-propyl, isopropyl and n-butyl are preferred.
• Halogen is to be understood as being iodine, preferably fluorine, chlorine and bromine.
• haloalkyl there come into consideration alkyl groups that are mono- or poly-substi ⁇ tuted, especially mono-, di- or tri-substituted, by halogen, the individual meanings of halogen being iodine and especially fluorine, chlorine and bromine, for example fluoro- methyl, difluoromethyl, trifluoromethyl, chloromethyl, dichloromethyl, trichloromethyl, 2,2,2-trifluoroethyl, 2-fluoroethyl, 2-chloroethyl and 2,2,2-trichloroethyl; preferably di- fluorochloromethyl, trifluoromethyl, dichlorofluoromethyl and 2-chloroethyl.
• Alkoxy is, for example, methoxy, ethoxy, n-propoxy, isopropoxy, n-butoxy, isobutoxy, sec-butoxy and tert-butoxy; preferably methoxy, ethoxy and isopropoxy.
• Haloalkoxy is, for example, fluoromethoxy, difluoromethoxy, trifluoromethoxy, 2,2,2-tri- fluoroethoxy, 1,1,2,2-tetrafluoroethoxy, 2-fluoroethoxy, 2-chloroethoxy and 2,2,2-tri- chloroethoxy; preferably difluoromethoxy, trifluoromethoxy and 2-chloroethoxy.
• Alkenyl is to be understood as being straight-chained or branched alkenyl, for example allyl, 1-methylallyl, methallyl, but-2-en-l-yl, pentenyl, 2-hexenyl and 3-heptenyl.
• Alkenyl radicals having a chain length of 3 and 4 carbon atoms are preferred.
• haloalkenyl there come into consideration alkenyl groups that are mono- or poly- substituted by halogen, the individual meanings of halogen being bromine, iodine and, especially, fluorine and chlorine, for example 2- and 3-fluoroallyl, 2- and 3-chloroallyl, 2,3,3-t ⁇ ifluoroallyl, 2,3,3-trichloroallyl, 4,4,4-trifluoro-but-2-en-l-yl and 4,4,4-trichloro- but-2-en-l-yl. 2- and 3-chloroallyl are preferred.
• alkynyl radicals that occur in the definitions of the substituents may be straight- chained or branched, for example propargyl, 3-butynyl, 1 -methy Ipropargyl, 1-pentynyl or 2-hexynyl. Propargyl and 1-methylpropargyl are preferred.
• Cycloalkyl is, for example, cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, cycloheptyl or cyclooctyl.
• Halocycloalkyl is, for example, 2,2-dichlorocyclopropyl and pentachlorocyclohexyl.
• Alkoxyalkyl is, for example, methoxymethyl, ethoxymethyl, propoxymethyl, methoxy- ethyl, ethoxyethyl, propoxyethyl, butoxyethyl, methoxypropyl, ethoxypropyl and propoxy- propyl.
• Alkylthioalkyl is, for example, methylthiomethyl, ethylthiomethyl, methylthioethyl, methylthio-prop-2-yl, ethylthioethyl, ethylthio-prop-2-yl, propylthio-prop-2-yl, isopropyl- thioethyl, isopropylthio-prop-2-yl, n-butylthio-prop-2-yl and n-pentylthio-prop-2-yl.
• Alkylamino is, for example, methylamino, ethylamino and the isomers of propyl- and butyl-amino.
• Dialkylamino is, for example, dimethylamino, methylethylamino, diethylamino and the isomers of dipropyl- and dibutyl-amino.
• Cyanoalkyl is, for example, cyanomethyl, cyanoethyl, cyanoeth-1-yl and cyanopropyl.
• Hydroxyalkyl is, for example, hydroxymethyl, hydroxyethyl and 3-hydroxypropyl.
• Phenyl including part of a substituent such as phenylalkyl, may generally be unsubstituted or substituted. In the latter case, the substituents may be in the ortho-, meta- and/or para- position with respect to the ring linkage site. Preferred positions for the substituents are the ortho- and para-positions. Preferred substituents are halogen atoms and alkyl, halo ⁇ alkyl, alkoxy and haloalkoxy groups.
• a as an alkylene chain may be straight-chained or branched and is, for example, methylene, ethylene, methylethylene, propylene, 1-methyl-propylene and butylene; preferably methylene and ethylene.
• R 6 as a 5- or 6-membered heterocyclic ring is an unsaturated or completely or partially saturated heterocycle, for example 2-, 3- or 4-pyridyl, N-piperidyl, 2-thienyl, 2-furyl, 2-tetrahydrothienyl, 2-tetrahydrofuryl, N-morpholinyl and N-imidazolyl.
• Those hetero- cycles may in turn be substituted, for example l-methyl-4-pyrazolyl, 4-methyl-5-thiazolyl and 2-pyrrolidon-l-yl.
• the salts of compounds of formula I containing acid protons are, for example, alkali metal salts, e.g. sodium and potassium salts; alkaline earth metal salts, e.g. calcium and magnesium salts; ammonium salts, i.e. unsubstituted ammonium salts and mono- or poly-substituted ammonium salts, e.g. triethylammonium and methylammonium salts; or salts with other organic bases.
• alkali metal and alkaline earth metal hydroxides as salt-forming substances, special mention is to be made of the hydroxides of lithium, sodium, potassium, magnesium and calcium, but especially those of sodium and potassium.
• Examples of amines that are suitable for the formation of ammonium salts are both ammonia and primary, secondary and tertiary C 1 -C 1 galkylamines, C 1 -C 4 hydroxyalkyl- amines and C 2 -C 4 __lkoxy______ylamines, for example methylamine, ethylamine, n-propyl- amine, isopropylamine, the four isomers of butylamine, n-amylamine, isoamylamine, hexylamine, heptylamine, octylamine, nonylamine, decylamine, pentadecylamine, hexa- decylamine, heptadecylamine, octadecylamine, methyl-ethylamine, methyl-isopropyl- amine, methyl-hexylamine, methyl-nonylamine, methyl
• alicyclic groups r and the substituents R 5 , A and R 6 may contain asymmetric carbon atoms), means that the compounds may be obtained either as optically active individual isomers or in the form of racemic mixtures.
• Preferred compounds of formula I are also those wherein n 2 is 0, 1 or 2; R is methyl; R is chlorine or bromine; R 2 and R 3 are methyl; R 4 is the group -X-R 5 ; R 5 is C ⁇ -C 6 alkyl; and X and Z are oxygen.
• Prefe ⁇ ed compounds are those wherein n 2 is 0, 1 or 2; R is methyl; R x is chlorine or bromine; R 2 and R 3 are methyl; R 4 is the group -X-A-R 6 ; and X and Z are oxygen.
• n-. is 0, 1 or 2; R is methyl; R j is ' chlorine or bromine; R 2 and R 3 are methyl; R 4 is the group — N ; and Z is oxygen.
• Ri is chlorine or bromine
• R 5 is hydrogen, Cj-Csalkyl, C 2 chloroalkyl, C r or C 2 -alkoxy-C 2 - or -C 3 -alkyl, C r C 5 alkyl- thio-C 2 - or -C 3 -alkyl, di-C r or -C 2 -alkylamino-C 3 alkyl, cyano-C !
• RT is chlorine or bromine
• X is oxygen
• A is C r or C 2 -alkylene
• R 6 is 2-furyl, 2-tetrahydrofuryl, 2-thienyl, 2-, 3- or 4-pyridyl, 4-methyl-5-thiazolyl, pyrrolidin-2-on-l-yl, N-morpholinyl, N-piperidyl, 1-imidazolyl or l-methyl-4-pyrazolyl. Further suitable compounds are those of formula Ic
• R x is chlorine or bromine
• R 7 is hydrogen, C-.- alkyl, C 3 alkenyl, methoxy, C 3 -C 8 cycloalkyl or cyano- or hydroxy-
• R 8 is hydrogen, Ci-Csalkyl, C 2 chloroalkyl, methoxy-C2alkyl, hydroxy-C alkyl, C 3 - or
• R 7 and R 8 together with the nitrogen atom to which they are bonded, form a pyrrolidino, morpholino, thiomorpholino, N-methylpiperazino or 3,5-dimethylmorpholino ring.
• R is hydrogen or methyl
• Ri is chlorine
• X is oxygen or sulfur
• R 5 is hydrogen, C 1 -C 3 alkyl, C 3 - or C 4 -alkenyl, C 3 chloroalkenyl, C 3 alkynyl, C r or C 2 - alkoxy-C 2 alkyl or C r or C2-alkylthio-C 3 alkyl.
• R 5 is hydrogen, C 1 -C 3 alkyl, C 3 - or C 4 -alkenyl, C 3 chloroalkenyl, C 3 alkynyl, C r or C 2 - alkoxy-C 2 alkyl or C r or C2-alkylthio-C 3 alkyl.
• Ri is chlorine
• X is oxygen
• Rj is chlorine or bromine
• X is oxygen
• A is Ci- or C 2 -alkylene
• R 6 is 2-furyl, 2-tetrahydrofuryl, 4-methyl-5-thiazolyl, N-piperidyl, N-methylpiperazinyl or
• R is hydrogen or methyl
• Ri is chlorine or bromine
• R 7 is hydrogen, C r C alkyl, C 3 alkenyl, methoxy or C 3 cycloalkyl
• R 8 is hydrogen, C r C 4 alkyl, C 3 alkenyl, C 3 chloroalkenyl, C 3 alkynyl, phenyl, chlorophenyl or phenyl-C r or -C 2 -alkyl.
• Rj is chlorine
• R 7 is hydrogen, methyl, methoxy, C 3 alkenyl or C 3 cycloalkyl
• R 8 is hydrogen, C r C 4 alkyl or C 3 - or C 4 -alkenyl
• R 7 and R 8 together with the nitrogen atom to which they are bonded, form a morpholino ring.
• R is hydrogen or methyl
• Rj is chlorine or bromine
• X is oxygen or sulfur
• R 5 is hydrogen, C 1 -C 3 alkyl, methoxy-C 2 alkyl, C 2 - or C 3 -alkylthio-C 3 alkyl, C 3 - or C 4 - alkenyl, C 3 chloroalkenyl, C 3 alkynyl, C 6 cycloalkyl, C 3 cycloalkyl-C 2 alkyl, phenyl-Ci- or
• Suitable compounds are also those of formula Ij
• R is hydrogen or methyl
• R x is chlorine or bromine
• X is oxygen
• A is C r or C 2 -alkylene
• R 6 is 2-furyl, 2-tetrahydrofuryl, 2-tetrahydrothienyl, N-morpholinyl, N-piperidyl, 2-, 3- or
• R is hydrogen or methyl
• Ri is chlorine or bromine
• R 7 is hydrogen, methyl, methoxy, C 3 cycloalkyl or C 3 alkenyl
• R 8 is hydrogen, hydroxy-C 2 alkyl, C 3 alkenyl, C 3 chloroalkenyl, C 3 - or C 4 - alkynyl, phenyl, fluorophenyl, methoxyphenyl or benzyl; or
• R 7 and R 8 together with the nitrogen atom to which they are bonded, form a morpholino ring.
• a very especially preferred individual compound within the scope of formula I is 2-methyl-2-[2-chloro-5-[(tetrahydro-3-oxo-lH,3H-[l,3,4]thiadiazolo[3,4-a]pyridazin-l- ylidene)amino]-benzoyloxy]-propionic acid 2-chloro-2-propenyl ester.
• Z is oxygen or sulfur, if desired in the presence of a base.
• reaction of the aniline derivatives of formula II to form the isothiocyanates of formula in is carried out analogously to known processes, for example as described in EP-A-0 304 920, EP-A-0238 711, EP-A-0 409 025, EP-A-0 372461, EP-A-0 311 135 and DE-OS-3 724098.
• the reaction of the isothiocyanates of formula IH with the compounds of formula V is advantageously carried out in a solvent that is inert towards the reaction, at temperatures of from -5°C to the boiling temperature of the solvent, especially from 0 to +50°C, especially preferably at room temperature.
• Suitable solvents for this reaction are, for example, toluene, xylene, ethyl acetate and acetonitrile.
• the reaction of the compound of formula IN with the compound of formula NI is advanta ⁇ geously carried out in an inert organic solvent at low temperatures, preferably at from 0 to +50°C, especially preferably at from 0 to + 15°C.
• Suitable bases for this reaction are, for example, pyridine, triethylamine and ⁇ , ⁇ -dimethylaniline.
• Suitable solvents are, for example, 1,2-dichloroethane, dichloromethane and toluene.
• the aniline derivatives of formula ⁇ , the isothiocyanates of formula HI and the compounds of formula IN are novel and have been developed specifically for the synthesis of the compounds of formula I. The present invention therefore relates also thereto.
• novel intermediates of formula IN are also distinguished by herbicidal activity, with selectivity in the case of certain cultivated plants.
• formulae IXX, IXXa and IXXb are each an unbranched aliphatic pentane chain to the terminal carbon atoms Cj and C 5 of which there is bonded a hydroxy group (IXX) or a group RoSO 2 O (IXXb) or bromine (IXXa).
• the radical R may be linked 0, 1, 2 or 3 times, if desired also geminally, with all five carbon atoms in the n-pentane chain.
• aniline derivatives of formula ⁇ required for the preparation process according to the invention can be prepared analogously to known processes. Those preparation processes are illustrated in greater detail in reaction scheme 2 below.
• nitrobenzoic acid ester derivatives of formulae XI, XVI and XNm are novel and have been developed specifically for the synthesis of the compounds of formula I.
• the present invention therefore relates also thereto.
• the reactions to form compounds of formula I are advantageously carried out in aprotic, inert organic solvents.
• Such solvents are pure hydrocarbons, such as benzene, toluene, xylene or cyclohexane, chlorinated hydrocarbons, such as dichloromethane, trichloro- methane, tetrachloromethane, ethylene chloride or chlorobenzene, ethers, such as diethyl ether, tert-butyl methyl ether, ethylene glycol dimethyl ether, diethylene glycol dimethyl ether, tetrahydrofuran or dioxane, nitriles, such as acetonitrile or propionitrile, and ketones, such as acetone or methyl ethyl ketone.
• chlorinated hydrocarbons such as dichloromethane, trichloro- methane, tetrachloromethane, ethylene chloride or chlorobenzene
• ethers such as diethyl ether, tert-butyl methyl ether, ethylene
• the reduction of the nitrobenzoic acid ester derivatives of formulae XI, XNI and XNIH is advantageously carried out in dioxane or protic, organic solvents, for example alcohols, such as methanol, ethanol or propanol, in the presence of an organic or inorganic acid, for example hydrochloric acid.
• the isothio ⁇ cyanates of formula HI are advantageously prepared in a two-phase system, for example a solvent mixture of ethylene chloride and water.
• the reaction temperatures are from -10°C to the reflux temperature of the reaction mixture, preferably in the temperature range of from 0°C to 120°C.
• the end products of formula I can be isolated in customary manner by concentration and or evaporation of the solvent and can be purified by recrystallisation or trituration of the solid residue in solvents in which they are not readily soluble, such as ethers, aromatic hydrocarbons or chlorinated hydrocarbons, by distillation or by means of column chroma ⁇ tography and a suitable eluant.
• the active ingredient is applied in solution to granulated mineral carriers or polymerised granules (urea formaldehyde) and is dried.
• a coating may additionally be applied (coated granules), which allows the active ingredient to be released in metered amounts over a particular period of time.
• the compounds of formula I can be used in unmodified form, i.e. as obtained in the synthesis, but preferably they are formulated in customary manner together with the adjuvants conventionally employed in formulation technology to form e.g. emulsifiable concentrates, directly sprayable or dilutable solutions, dilute emulsions, wettable powders, soluble powders, dusts, granules or microcapsules.
• the methods of application such as spraying, atomising, dusting, wetting, scattering or pouring, are chosen in accordance with the intended objectives and the prevailing circumstances.
• compositions, preparations or mixtures comprising the compound (active ingredient) of formula I or at least one compound of formula I and, • where appropriate, one or more solid or liquid formulation adjuvants, are prepared in known manner, e.g. by homogeneously mixing and/or grinding the active ingredients with the formulation adjuvants, e.g. solvents or solid carriers.
• formulation adjuvants e.g. solvents or solid carriers.
• surface-active compounds surfactants
• surfactants may also be used in the preparation of the formulations.
• Suitable solvents are: aromatic hydrocarbons, preferably the fractions containing 8 to 12 carbon atoms, such as mixtures of alkylbenzenes, e.g. xylene mixtures or alkylated naphthalenes; aliphatic and cycloaliphatic hydrocarbons, such as paraffins, cyclohexane or tetrahydronaphthalene; alcohols, such as ethanol, propanol or butanol; glycols and their ethers and esters, such as propylene glycol or dipropylene glycol ether; ketones, such as cyclohexanone, isophorone or diacetone alcohol; strongly polar solvents, such as N-methyl-2-pyrrolidone, dimethyl sulfoxide or water; vegetable oils and their esters, such as rape oil, castor oil or soybean oil; and, where appropriate, also silicone oils.
• aromatic hydrocarbons preferably the fractions containing 8 to 12 carbon atoms, such
• the solid carriers used are normally natural mineral fillers, such as calcite, talcum, kaolin, montmorillonite or attapulgite.
• calcite talcum
• kaolin kaolin
• montmorillonite attapulgite
• highly dispersed silicic acid or highly dispersed absorbent polymers e.g., calcite, talcum, kaolin, montmorillonite or attapulgite.
• Suitable granulated adsorptive carriers are porous types, for example pumice, broken brick, sepiolite or bentonite; and suitable nonsorbent carriers are, for example, calcite or sand.
• pregranulated materials of inorganic or organic nature can be used, e.g. especially dolomite or pulverised plant residues.
• suitable surface-active compounds are non-ionic, cationic and/or anionic surfactants having good emulsifying, dispersing and wetting properties.
• surfactants will also be understood as comprising mixtures of surfactants.
• Suitable soaps are the alkali metal salts, alkaline earth metal salts or unsubstituted or substituted ammonium salts of higher fatty acids (C 10 -C 22 ), e.g. the sodium or potassium salts of oleic or stearic acid, or of natural fatty acid mixtures which can be obtained e.g. from coconut oil or tallow oil. Mention may also be made of fatty acid methyltaurin salts.
• so-called synthetic surfactants are used, especially fatty alcohol sulfonates, fatty alcohol sulfates, sulfonated benzimidazole derivatives or alkylaryl ⁇ sulfonates.
• the fatty alcohol sulfonates or sulfates are usually in the form of alkali metal salts, alkaline earth metal salts or unsubstituted or substituted ammonium salts and contain a C 8 -C 22 alkyl radical, which also includes the alkyl moiety of acyl radicals, e.g. the sodium or calcium salt of lignosulf onic acid, of dodecyl sulfate or of a mixture of fatty alcohol sulfates obtained from natural fatty acids.
• These compounds also comprise the salts of sulfated and sulfonated fatty alcohol/ethylene oxide adducts.
• the sulfonated benz ⁇ imidazole derivatives preferably contain 2 sulfonic acid groups and one fatty acid radical containing 8 to 22 carbon atoms.
• alkylarylsulfonates are the sodium, calcium or triethanolamine salts of dodecylbenzenesulfonic acid, dibutylnaphthalenesulfonic acid, or of a condensate of naphthalenesulfonic acid and formaldehyde.
• corresponding phosphates e.g. salts of the phosphoric acid ester of an adduct of p-nonylphenol with 4 to 14 mol of ethylene oxide, or phospholipids.
• Non-ionic surfactants are preferably polyglycol ether derivatives of aliphatic or cycloaliphatic alcohols, saturated or unsaturated fatty acids and alkylphenols, said derivatives containing 3 to 30 glycol ether groups and 8 to 20 carbon atoms in the (aliphatic) hydrocarbon moiety and 6 to 18 carbon atoms in the alkyl moiety of the alkylphenols.
• non-ionic surfactants are the water-soluble adducts of polyethylene oxide with polypropylene glycol, ethylenediaminopolypropylene glycol and alkylpolypropylene glycol containing 1 to 10 carbon atoms in the alkyl chain, which adducts contain 20 to 250 ethylene glycol ether groups and 10 to 100 propylene glycol ether groups. These compounds usually contain 1 to 5 ethylene glycol units per propylene glycol unit
• non-ionic surfactants are nonylphenol polyethoxyethanols, castor oil polyglycol ethers, polypropylene/polyethylene oxide adducts, tributylphenoxy- polyethoxyethanol, polyethylene glycol and octylphenoxypolyethoxyethanol.
• Fatty acid esters of polyoxyethylene sorbitan e.g. polyoxyethylene sorbitan trioleate, are also suitable non-ionic surfactants.
• Cationic surfactants are preferably quaternary ammonium salts which contain, as N-substituent, at least one C 8 -C 22 al yl radical and, as further substituents, unsubstituted or halogenated lower alkyl, benzyl or hy droxy-lower alkyl radicals.
• the salts are preferably in the form of halides, methyl sulfates or ethyl sulfates, e.g. stearyltrimethylammonium chloride or benzyldi(2-chloroethyl)ethylammonium bromide.
• the herbicidal compositions usually comprise 0.1 to 99 %, preferably 0.1 to 95 %, of a compound of formula 1, 1 to 99.9 % of a solid or liquid formulation adjuvant, and 0 to 25 , preferably 0.1 to 25 %, of a surfactant.
• compositions may also comprise further auxiliaries such as stabilisers, e.g. vegetable oils or epoxidised vegetable oils (epoxidised coconut oil, rape oil or soybean oil), antifoams, e.g. silicone oil, preservatives, viscosity regulators, binders, tackifiers as well as fertilisers or other active ingredients.
• stabilisers e.g. vegetable oils or epoxidised vegetable oils (epoxidised coconut oil, rape oil or soybean oil)
• antifoams e.g. silicone oil, preservatives, viscosity regulators, binders, tackifiers as well as fertilisers or other active ingredients.
• Emulsifiable concentrates active ingredient: 1 to 90 %, preferably 5 to 50 % surface-active agent: 5 to 30 , preferably 10 to 20 % solvent: 15 to 94 %, preferably 70 to 85 %
• Dusts active ingredient: 0.1 to 50 , preferably 0.1 to 1 % solid carrier: 99.9 to 90 %, preferably 99.9 to 99 %
• Suspension concentrates active ingredient: 5 to 75 %, preferably 10 to 50 % water: 94 to 24 %, preferably 88 to 30 % surface-active agent: 1 to 40 %, preferably 2 to 30 %
• Wettable powders 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 %
• Granules active ingredient: 0.1 to 30 %, preferably 0.1 to 15 % solid carrier: 99.5 to 70 %, preferably 97 to 85 %
• the compounds of formula I are generally employed successfully on the plant or the locus thereof at rates of application of from 0.001 to 2 kg ha, especially from 0.005 to 1 kg/ha.
• the rate of application required to achieve the desired effect may be determined by experiments. It is dependent on the type of action, the stage of development of the cultivated plant and of the weeds, and on the application (place, time, method) and, in dependence on those parameters, may vary within a wide range.
• the compounds of formula I are distinguished by herbicidal and growth-inhibiting properties, which render them excellently suitable for use in crops of useful plants.
• Crops are to be understood as including crops which have been rendered tolerant to herbicides or classes of herbicides by conventional cultivation or genetic engineering methods.
• the following Examples illustrate the invention in greater detail but do not limit the invention.
• a solution of 6.5 g of 2-chloro-5-amino-l-(2-chloroallyloxycarbonyl)-l-methyl ethyl ester in 20 ml of ethylene chloride is added dropwise at 20°C, with stirring, to a mixture of 4.0 g of calcium carbonate, 2.0 ml of thiophosgene in 30 ml of ethylene chloride and 30 ml of water, and the mixture is stirred for a further 6 hours.
• the inorganic components are then filtered off and the organic phase is dried over calcium chloride and is then concentrated by evaporation, yielding 7.3 g of the desired product in the form of an oil.
• Emulsions of any desired concentration can be produced from such concentrates by dilution with water.
• N-methyl-2-pyrrolidone 30 % 10 % aromatic hydrocarbon mixture 75 % 60 %
• Wettable powders a compound of Tables 1-11 sodium lignosulfonate sodium laurylsulfate sodium d ⁇ sobutylnaphthalene- sulfonate octylphenol polyglycol ether 1 % 2 %
• the active ingredient is thoroughly mixed with the adjuvants and the mixture is thoroughly ground in a suitable mill, affording wettable powders which can be diluted with water to give suspensions of the desired concentration.
• Coated granules a) b) c) a compound of Tables 1-11 o . i % 5 % 15 % highly dispersed silicic acid 0.9 % 2 % 2 % inorganic carrier 99.0 % 93 % 83 %
• the active ingredient is dissolved in methylene chloride, the solution is sprayed onto the carrier, and the solvent is subsequently evaporated off in vacuo.
• the finely ground active ingredient is uniformly applied, in a mixer, to the carrier moistened with polyethylene glycol.
• Non-dusty coated granules are obtained in this manner.
• Extruder granules a) b) c) d) a compound of Tables 1-11 0.1 % 3 % 5 % 15 % sodium lignosulfonate 1.5 % 2 % 3 % 4 % carboxymethylcellulose 1.4 % 2 % 2 % 2 % kaolin 97.0 % 93 % 90 % 79 %
• the active ingredient 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.
• Ready-for-use dusts are obtained by mixing the active ingredient with the carriers and grinding the mixture in a suitable mill.
• the finely ground active ingredient is intimately mixed with the adjuvants, giving a suspension concentrate from which suspensions of any desired concentration can be obtained by dilution with water.
• Test plants Setaria, Sinapis, Solanum, Stellaria.

Landscapes

• Chemical & Material Sciences (AREA)
• Organic Chemistry (AREA)
• Life Sciences & Earth Sciences (AREA)
• Dentistry (AREA)
• Pest Control & Pesticides (AREA)
• Plant Pathology (AREA)
• Health & Medical Sciences (AREA)
• Engineering & Computer Science (AREA)
• Agronomy & Crop Science (AREA)
• General Health & Medical Sciences (AREA)
• Wood Science & Technology (AREA)
• Zoology (AREA)
• Environmental Sciences (AREA)
• Plural Heterocyclic Compounds (AREA)
• Agricultural Chemicals And Associated Chemicals (AREA)
• Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Applications Claiming Priority (3)

Publications (1)

Family

ID=4184700

Family Applications (1)

Country Status (8)

Family Cites Families (6)

• 1995
  • 1995-01-25 EP EP95907599A patent/EP0741733A1/de not_active Withdrawn
  • 1995-01-25 WO PCT/EP1995/000253 patent/WO1995021174A1/en not_active Application Discontinuation
  • 1995-01-25 JP JP7520259A patent/JPH09508395A/ja active Pending
  • 1995-01-25 AU AU15760/95A patent/AU1576095A/en not_active Abandoned
  • 1995-01-25 CA CA002181583A patent/CA2181583A1/en not_active Abandoned
  • 1995-01-25 MX MX9603162A patent/MX9603162A/es unknown
  • 1995-02-02 IL IL112523A patent/IL112523A/en not_active IP Right Cessation
  • 1995-02-03 ZA ZA95864A patent/ZA95864B/xx unknown

Non-Patent Citations (1)

Also Published As

Similar Documents

Legal Events