WO2002042275A1 - 2-aryl-5-trifluormethylpyridine - Google Patents
2-aryl-5-trifluormethylpyridine Download PDFInfo
- Publication number
- WO2002042275A1 WO2002042275A1 PCT/EP2001/013534 EP0113534W WO0242275A1 WO 2002042275 A1 WO2002042275 A1 WO 2002042275A1 EP 0113534 W EP0113534 W EP 0113534W WO 0242275 A1 WO0242275 A1 WO 0242275A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- alkyl
- alkoxy
- phenyl
- hydrogen
- halogen
- Prior art date
Links
- 229910052736 halogen Inorganic materials 0.000 claims abstract description 60
- 150000002367 halogens Chemical class 0.000 claims abstract description 57
- 150000003839 salts Chemical class 0.000 claims abstract description 27
- 239000004009 herbicide Substances 0.000 claims abstract description 14
- 230000035613 defoliation Effects 0.000 claims abstract description 12
- -1 methylene, 1, 2-ethylene, propane-1, 3-diyl Chemical group 0.000 claims description 809
- 239000001257 hydrogen Substances 0.000 claims description 65
- 229910052739 hydrogen Inorganic materials 0.000 claims description 65
- 239000000203 mixture Substances 0.000 claims description 63
- 238000000034 method Methods 0.000 claims description 52
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 49
- 239000000460 chlorine Substances 0.000 claims description 43
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 claims description 42
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 37
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 34
- 229910052801 chlorine Inorganic materials 0.000 claims description 32
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 30
- 125000006552 (C3-C8) cycloalkyl group Chemical group 0.000 claims description 29
- 150000002431 hydrogen Chemical class 0.000 claims description 28
- 125000000217 alkyl group Chemical group 0.000 claims description 27
- 229910052731 fluorine Inorganic materials 0.000 claims description 27
- 239000011737 fluorine Substances 0.000 claims description 26
- 125000000623 heterocyclic group Chemical group 0.000 claims description 24
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims description 24
- SNOOUWRIMMFWNE-UHFFFAOYSA-M sodium;6-[(3,4,5-trimethoxybenzoyl)amino]hexanoate Chemical compound [Na+].COC1=CC(C(=O)NCCCCCC([O-])=O)=CC(OC)=C1OC SNOOUWRIMMFWNE-UHFFFAOYSA-M 0.000 claims description 24
- 125000001424 substituent group Chemical group 0.000 claims description 24
- 125000000882 C2-C6 alkenyl group Chemical group 0.000 claims description 22
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 21
- UUEVFMOUBSLVJW-UHFFFAOYSA-N oxo-[[1-[2-[2-[2-[4-(oxoazaniumylmethylidene)pyridin-1-yl]ethoxy]ethoxy]ethyl]pyridin-4-ylidene]methyl]azanium;dibromide Chemical compound [Br-].[Br-].C1=CC(=C[NH+]=O)C=CN1CCOCCOCCN1C=CC(=C[NH+]=O)C=C1 UUEVFMOUBSLVJW-UHFFFAOYSA-N 0.000 claims description 21
- 125000003601 C2-C6 alkynyl group Chemical group 0.000 claims description 20
- 125000004093 cyano group Chemical group *C#N 0.000 claims description 20
- 230000008569 process Effects 0.000 claims description 20
- 125000006643 (C2-C6) haloalkenyl group Chemical group 0.000 claims description 15
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 15
- 229910052757 nitrogen Inorganic materials 0.000 claims description 15
- 125000003545 alkoxy group Chemical group 0.000 claims description 14
- 150000003222 pyridines Chemical class 0.000 claims description 14
- 125000002813 thiocarbonyl group Chemical group *C(*)=S 0.000 claims description 14
- 125000005842 heteroatom Chemical group 0.000 claims description 13
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 12
- 229910052760 oxygen Inorganic materials 0.000 claims description 12
- 239000001301 oxygen Substances 0.000 claims description 12
- 125000003917 carbamoyl group Chemical group [H]N([H])C(*)=O 0.000 claims description 11
- 125000005708 carbonyloxy group Chemical group [*:2]OC([*:1])=O 0.000 claims description 11
- 229910052799 carbon Inorganic materials 0.000 claims description 9
- 239000003795 chemical substances by application Substances 0.000 claims description 8
- 125000000753 cycloalkyl group Chemical group 0.000 claims description 8
- 239000007787 solid Substances 0.000 claims description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 7
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 7
- 239000002274 desiccant Substances 0.000 claims description 7
- 239000000126 substance Substances 0.000 claims description 7
- 229910052717 sulfur Inorganic materials 0.000 claims description 7
- 239000011593 sulfur Substances 0.000 claims description 7
- 125000001188 haloalkyl group Chemical group 0.000 claims description 6
- 150000001642 boronic acid derivatives Chemical class 0.000 claims description 5
- 150000001721 carbon Chemical group 0.000 claims description 5
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 5
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 claims description 5
- 125000004433 nitrogen atom Chemical group N* 0.000 claims description 5
- 229920000742 Cotton Polymers 0.000 claims description 4
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 4
- 125000005678 ethenylene group Chemical group [H]C([*:1])=C([H])[*:2] 0.000 claims description 4
- 125000004434 sulfur atom Chemical group 0.000 claims description 4
- 125000004765 (C1-C4) haloalkyl group Chemical group 0.000 claims description 3
- 125000000816 ethylene group Chemical group [H]C([H])([*:1])C([H])([H])[*:2] 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 125000000472 sulfonyl group Chemical group *S(*)(=O)=O 0.000 claims description 3
- 125000004769 (C1-C4) alkylsulfonyl group Chemical group 0.000 claims description 2
- BSKHPKMHTQYZBB-UHFFFAOYSA-N 2-methylpyridine Chemical compound CC1=CC=CC=N1 BSKHPKMHTQYZBB-UHFFFAOYSA-N 0.000 claims description 2
- 125000000051 benzyloxy group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])O* 0.000 claims description 2
- 125000000325 methylidene group Chemical group [H]C([H])=* 0.000 claims description 2
- 230000008635 plant growth Effects 0.000 claims description 2
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims 5
- 239000004094 surface-active agent Substances 0.000 claims 2
- 125000005704 oxymethylene group Chemical group [H]C([H])([*:2])O[*:1] 0.000 claims 1
- 150000001875 compounds Chemical class 0.000 abstract description 144
- 239000013543 active substance Substances 0.000 abstract description 6
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 66
- 238000006243 chemical reaction Methods 0.000 description 53
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 49
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 48
- 239000000243 solution Substances 0.000 description 45
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 38
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical group C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 37
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 33
- 241000196324 Embryophyta Species 0.000 description 31
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 31
- 239000002904 solvent Substances 0.000 description 31
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 27
- 239000002253 acid Substances 0.000 description 25
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 24
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 24
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 22
- 239000004480 active ingredient Substances 0.000 description 22
- 239000012074 organic phase Substances 0.000 description 21
- 238000002360 preparation method Methods 0.000 description 20
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 20
- YLQBMQCUIZJEEH-UHFFFAOYSA-N Furan Chemical compound C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 18
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 18
- BZLVMXJERCGZMT-UHFFFAOYSA-N Methyl tert-butyl ether Chemical compound COC(C)(C)C BZLVMXJERCGZMT-UHFFFAOYSA-N 0.000 description 18
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 18
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 18
- 238000005481 NMR spectroscopy Methods 0.000 description 17
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 16
- 239000011541 reaction mixture Substances 0.000 description 16
- 238000005160 1H NMR spectroscopy Methods 0.000 description 15
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 15
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 15
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 15
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 14
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 14
- 150000001989 diazonium salts Chemical class 0.000 description 14
- 229910052938 sodium sulfate Inorganic materials 0.000 description 14
- 235000011152 sodium sulphate Nutrition 0.000 description 14
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 13
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 13
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 13
- 229910052794 bromium Inorganic materials 0.000 description 13
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 12
- 239000003054 catalyst Substances 0.000 description 12
- 239000012954 diazonium Substances 0.000 description 12
- 230000002363 herbicidal effect Effects 0.000 description 12
- 239000000047 product Substances 0.000 description 12
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 11
- 230000000052 comparative effect Effects 0.000 description 11
- 229940125890 compound Ia Drugs 0.000 description 11
- 125000006239 protecting group Chemical group 0.000 description 11
- 239000000741 silica gel Substances 0.000 description 11
- 229910002027 silica gel Inorganic materials 0.000 description 11
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 10
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 10
- 238000009835 boiling Methods 0.000 description 10
- 239000003153 chemical reaction reagent Substances 0.000 description 10
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 10
- 230000000694 effects Effects 0.000 description 10
- 230000009467 reduction Effects 0.000 description 10
- 238000006722 reduction reaction Methods 0.000 description 10
- 239000002585 base Substances 0.000 description 9
- ZADPBFCGQRWHPN-UHFFFAOYSA-N boronic acid Chemical compound OBO ZADPBFCGQRWHPN-UHFFFAOYSA-N 0.000 description 9
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 9
- 125000001153 fluoro group Chemical group F* 0.000 description 9
- 229910052751 metal Inorganic materials 0.000 description 9
- 239000002184 metal Substances 0.000 description 9
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 9
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 8
- 229960000583 acetic acid Drugs 0.000 description 8
- 238000001035 drying Methods 0.000 description 8
- 239000003921 oil Substances 0.000 description 8
- 230000003647 oxidation Effects 0.000 description 8
- 238000007254 oxidation reaction Methods 0.000 description 8
- XHXFXVLFKHQFAL-UHFFFAOYSA-N phosphoryl trichloride Chemical compound ClP(Cl)(Cl)=O XHXFXVLFKHQFAL-UHFFFAOYSA-N 0.000 description 8
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 7
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 7
- 239000003513 alkali Substances 0.000 description 7
- 239000008346 aqueous phase Substances 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 7
- 238000004587 chromatography analysis Methods 0.000 description 7
- 239000006185 dispersion Substances 0.000 description 7
- NLFBCYMMUAKCPC-KQQUZDAGSA-N ethyl (e)-3-[3-amino-2-cyano-1-[(e)-3-ethoxy-3-oxoprop-1-enyl]sulfanyl-3-oxoprop-1-enyl]sulfanylprop-2-enoate Chemical compound CCOC(=O)\C=C\SC(=C(C#N)C(N)=O)S\C=C\C(=O)OCC NLFBCYMMUAKCPC-KQQUZDAGSA-N 0.000 description 7
- 239000012442 inert solvent Substances 0.000 description 7
- PNDPGZBMCMUPRI-UHFFFAOYSA-N iodine Chemical compound II PNDPGZBMCMUPRI-UHFFFAOYSA-N 0.000 description 7
- KDLHZDBZIXYQEI-UHFFFAOYSA-N palladium Substances [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 7
- 150000003254 radicals Chemical class 0.000 description 7
- 238000012360 testing method Methods 0.000 description 7
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 6
- 0 Cc(c(C(F)(F)F)cnc1-c(cc2**)ccc2Cl)c1F Chemical compound Cc(c(C(F)(F)F)cnc1-c(cc2**)ccc2Cl)c1F 0.000 description 6
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 6
- MZRVEZGGRBJDDB-UHFFFAOYSA-N N-Butyllithium Chemical compound [Li]CCCC MZRVEZGGRBJDDB-UHFFFAOYSA-N 0.000 description 6
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 6
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 6
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 6
- ILAHWRKJUDSMFH-UHFFFAOYSA-N boron tribromide Chemical compound BrB(Br)Br ILAHWRKJUDSMFH-UHFFFAOYSA-N 0.000 description 6
- 125000005620 boronic acid group Chemical class 0.000 description 6
- 125000004705 ethylthio group Chemical group C(C)S* 0.000 description 6
- 125000005843 halogen group Chemical group 0.000 description 6
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 description 6
- 239000000543 intermediate Substances 0.000 description 6
- FVAUCKIRQBBSSJ-UHFFFAOYSA-M sodium iodide Chemical compound [Na+].[I-] FVAUCKIRQBBSSJ-UHFFFAOYSA-M 0.000 description 6
- 238000003756 stirring Methods 0.000 description 6
- FYSNRJHAOHDILO-UHFFFAOYSA-N thionyl chloride Chemical compound ClS(Cl)=O FYSNRJHAOHDILO-UHFFFAOYSA-N 0.000 description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 5
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 5
- 125000003277 amino group Chemical group 0.000 description 5
- 239000004359 castor oil Substances 0.000 description 5
- 235000019438 castor oil Nutrition 0.000 description 5
- 239000012141 concentrate Substances 0.000 description 5
- 239000010949 copper Substances 0.000 description 5
- 244000038559 crop plants Species 0.000 description 5
- 238000005661 deetherification reaction Methods 0.000 description 5
- 239000000839 emulsion Substances 0.000 description 5
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 description 5
- 150000002191 fatty alcohols Chemical class 0.000 description 5
- ZEMPKEQAKRGZGQ-XOQCFJPHSA-N glycerol triricinoleate Natural products CCCCCC[C@@H](O)CC=CCCCCCCCC(=O)OC[C@@H](COC(=O)CCCCCCCC=CC[C@@H](O)CCCCCC)OC(=O)CCCCCCCC=CC[C@H](O)CCCCCC ZEMPKEQAKRGZGQ-XOQCFJPHSA-N 0.000 description 5
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 5
- 229910017604 nitric acid Inorganic materials 0.000 description 5
- 150000002828 nitro derivatives Chemical class 0.000 description 5
- 239000003960 organic solvent Substances 0.000 description 5
- 239000012071 phase Substances 0.000 description 5
- 238000003786 synthesis reaction Methods 0.000 description 5
- 229910052723 transition metal Inorganic materials 0.000 description 5
- 150000003624 transition metals Chemical class 0.000 description 5
- GCQRPPPUHXEHJO-UHFFFAOYSA-N (4-chloro-2-fluoro-5-methoxyphenyl)boronic acid Chemical compound COC1=CC(B(O)O)=C(F)C=C1Cl GCQRPPPUHXEHJO-UHFFFAOYSA-N 0.000 description 4
- SLPBBMKNPQNQAW-UHFFFAOYSA-N 3-chloro-2-phenylmethoxy-5-(trifluoromethyl)pyridine Chemical compound ClC1=CC(C(F)(F)F)=CN=C1OCC1=CC=CC=C1 SLPBBMKNPQNQAW-UHFFFAOYSA-N 0.000 description 4
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical class [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 239000002841 Lewis acid Substances 0.000 description 4
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 4
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 4
- 150000001204 N-oxides Chemical class 0.000 description 4
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 4
- XYFCBTPGUUZFHI-UHFFFAOYSA-N Phosphine Chemical compound P XYFCBTPGUUZFHI-UHFFFAOYSA-N 0.000 description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 4
- PXIPVTKHYLBLMZ-UHFFFAOYSA-N Sodium azide Chemical compound [Na+].[N-]=[N+]=[N-] PXIPVTKHYLBLMZ-UHFFFAOYSA-N 0.000 description 4
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Natural products NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 4
- 150000001298 alcohols Chemical class 0.000 description 4
- 229910052783 alkali metal Inorganic materials 0.000 description 4
- 150000001340 alkali metals Chemical class 0.000 description 4
- 150000008064 anhydrides Chemical class 0.000 description 4
- 150000001450 anions Chemical class 0.000 description 4
- 125000004429 atom Chemical group 0.000 description 4
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 4
- 235000013399 edible fruits Nutrition 0.000 description 4
- 150000002148 esters Chemical class 0.000 description 4
- 239000008187 granular material Substances 0.000 description 4
- 230000012010 growth Effects 0.000 description 4
- 150000008282 halocarbons Chemical class 0.000 description 4
- 239000003701 inert diluent Substances 0.000 description 4
- 229910052500 inorganic mineral Inorganic materials 0.000 description 4
- 229910052740 iodine Inorganic materials 0.000 description 4
- 150000007517 lewis acids Chemical class 0.000 description 4
- 239000011777 magnesium Substances 0.000 description 4
- 229910052749 magnesium Inorganic materials 0.000 description 4
- IUYHWZFSGMZEOG-UHFFFAOYSA-M magnesium;propane;chloride Chemical compound [Mg+2].[Cl-].C[CH-]C IUYHWZFSGMZEOG-UHFFFAOYSA-M 0.000 description 4
- 238000002844 melting Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 238000006263 metalation reaction Methods 0.000 description 4
- 235000010755 mineral Nutrition 0.000 description 4
- 239000011707 mineral Substances 0.000 description 4
- 125000004706 n-propylthio group Chemical group C(CC)S* 0.000 description 4
- 230000000802 nitrating effect Effects 0.000 description 4
- 229910052697 platinum Inorganic materials 0.000 description 4
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 4
- NROKBHXJSPEDAR-UHFFFAOYSA-M potassium fluoride Chemical compound [F-].[K+] NROKBHXJSPEDAR-UHFFFAOYSA-M 0.000 description 4
- 125000002572 propoxy group Chemical group [*]OC([H])([H])C(C([H])([H])[H])([H])[H] 0.000 description 4
- 238000010992 reflux Methods 0.000 description 4
- LPXPTNMVRIOKMN-UHFFFAOYSA-M sodium nitrite Chemical compound [Na+].[O-]N=O LPXPTNMVRIOKMN-UHFFFAOYSA-M 0.000 description 4
- 239000007858 starting material Substances 0.000 description 4
- 239000000725 suspension Substances 0.000 description 4
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- 230000035807 sensation Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 239000012279 sodium borohydride Substances 0.000 description 1
- 229910000033 sodium borohydride Inorganic materials 0.000 description 1
- 229960001922 sodium perborate Drugs 0.000 description 1
- VGTPCRGMBIAPIM-UHFFFAOYSA-M sodium thiocyanate Chemical compound [Na+].[S-]C#N VGTPCRGMBIAPIM-UHFFFAOYSA-M 0.000 description 1
- YKLJGMBLPUQQOI-UHFFFAOYSA-M sodium;oxidooxy(oxo)borane Chemical compound [Na+].[O-]OB=O YKLJGMBLPUQQOI-UHFFFAOYSA-M 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000000600 sorbitol Substances 0.000 description 1
- 238000009331 sowing Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 150000003457 sulfones Chemical class 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-O sulfonium Chemical compound [SH3+] RWSOTUBLDIXVET-UHFFFAOYSA-O 0.000 description 1
- 150000003462 sulfoxides Chemical class 0.000 description 1
- 125000005537 sulfoxonium group Chemical group 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 235000012222 talc Nutrition 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 125000001973 tert-pentyl group Chemical group [H]C([H])([H])C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- DZLFLBLQUQXARW-UHFFFAOYSA-N tetrabutylammonium Chemical compound CCCC[N+](CCCC)(CCCC)CCCC DZLFLBLQUQXARW-UHFFFAOYSA-N 0.000 description 1
- 125000004192 tetrahydrofuran-2-yl group Chemical group [H]C1([H])OC([H])(*)C([H])([H])C1([H])[H] 0.000 description 1
- 125000004187 tetrahydropyran-2-yl group Chemical group [H]C1([H])OC([H])(*)C([H])([H])C([H])([H])C1([H])[H] 0.000 description 1
- CXWXQJXEFPUFDZ-UHFFFAOYSA-N tetralin Chemical compound C1=CC=C2CCCCC2=C1 CXWXQJXEFPUFDZ-UHFFFAOYSA-N 0.000 description 1
- QEMXHQIAXOOASZ-UHFFFAOYSA-N tetramethylammonium Chemical compound C[N+](C)(C)C QEMXHQIAXOOASZ-UHFFFAOYSA-N 0.000 description 1
- 125000001113 thiadiazolyl group Chemical group 0.000 description 1
- 125000000335 thiazolyl group Chemical group 0.000 description 1
- 125000004324 thiepan-2-yl group Chemical group [H]C1([H])SC([H])(*)C([H])([H])C([H])([H])C([H])([H])C1([H])[H] 0.000 description 1
- 125000004275 thietan-2-yl group Chemical group [H]C1([H])SC([H])(*)C1([H])[H] 0.000 description 1
- 125000006300 thietan-3-yl group Chemical group [H]C1([H])SC([H])([H])C1([H])* 0.000 description 1
- 125000001730 thiiranyl group Chemical group 0.000 description 1
- 150000003573 thiols Chemical class 0.000 description 1
- 229930192474 thiophene Natural products 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- NDLIRBZKZSDGSO-UHFFFAOYSA-N tosyl azide Chemical compound CC1=CC=C(S(=O)(=O)[N-][N+]#N)C=C1 NDLIRBZKZSDGSO-UHFFFAOYSA-N 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
- 150000003918 triazines Chemical class 0.000 description 1
- 125000001425 triazolyl group Chemical group 0.000 description 1
- 125000003866 trichloromethyl group Chemical group ClC(Cl)(Cl)* 0.000 description 1
- ITMCEJHCFYSIIV-UHFFFAOYSA-M triflate Chemical compound [O-]S(=O)(=O)C(F)(F)F ITMCEJHCFYSIIV-UHFFFAOYSA-M 0.000 description 1
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 description 1
- 125000000026 trimethylsilyl group Chemical group [H]C([H])([H])[Si]([*])(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- CMPGARWFYBADJI-UHFFFAOYSA-L tungstic acid Chemical compound O[W](O)(=O)=O CMPGARWFYBADJI-UHFFFAOYSA-L 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
- 239000004562 water dispersible granule Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
- C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
- C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D213/62—Oxygen or sulfur atoms
- C07D213/63—One oxygen atom
- C07D213/64—One oxygen atom attached in position 2 or 6
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
- C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
- C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D213/61—Halogen atoms or nitro radicals
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
- C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
- C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D213/62—Oxygen or sulfur atoms
- C07D213/70—Sulfur atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
- C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
- C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D213/62—Oxygen or sulfur atoms
- C07D213/70—Sulfur atoms
- C07D213/71—Sulfur atoms to which a second hetero atom is attached
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
- C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
- C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D213/72—Nitrogen atoms
- C07D213/73—Unsubstituted amino or imino radicals
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D413/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms
- C07D413/02—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings
- C07D413/04—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings directly linked by a ring-member-to-ring-member bond
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D417/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00
- C07D417/02—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00 containing two hetero rings
- C07D417/04—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00 containing two hetero rings directly linked by a ring-member-to-ring-member bond
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F5/00—Compounds containing elements of Groups 3 or 13 of the Periodic Table
- C07F5/02—Boron compounds
- C07F5/04—Esters of boric acids
Definitions
- the present invention relates to 2-aryl-5-trifluoromethylpyridines, their pyridine-N-oxides and their agriculturally useful salts and their use as herbicides, desiccants or defoliants.
- Herbicidally active 2-aryl-5-trifluoromethylpyridines have been described variously in the prior art (see, for example, DE 4323916, WO 95/02580, WO 95/02590, WO 96/21645, WO 96/21646, WO 96/21647, WO 96/21645, WO 97/06143, WO 97/11059, WO 97/30059, WO 98/07700 and WO 99/06394).
- the 2-aryl-5-trifluoromethylpyridines known from the prior art sometimes leave something to be desired in terms of their activity and / or selectivity towards harmful plants.
- the present invention is therefore based on the object of providing new herbicides with which harmful plants can be controlled better than hitherto.
- the new herbicides should advantageously have a high activity against harmful plants.
- crop tolerance is desirable.
- 2-aryl-5-trifluoromethylpyridines, their N-oxides and their salts suitable for agricultural purposes have a particularly high herbicidal activity if they have an amino group or a methyl group in the 4-position of the pyridine ring have the 3-position carries a halogen atom and the 6-position is unsubstituted.
- the present invention relates to 2-aryl-5-trifluoromethylpyridines of the general formula I.
- X is a chemical bond, a methylene, 1,2-ethylene, propane-l, 3-diyl, ethene-1, 2-diyl or ethyne-1, 2-diyl chain or one via the hetero atom oxyiriethylene or thiamethylene chain bound to the phenyl ring, it being possible for all the chains to be unsubstituted or to carry one or two substituents, each selected from the group consisting of cyano, carboxy, halogen, C 1 -C 4 -alkyl, Cx - -Halogenalkyl, -CC 4 alkoxy, (-C -alkoxy) carbonyl, di- (-CC alkyl) amino and phenyl;
- R 3 is hydrogen or halogen
- R 4 halogen, cyano, OH, C ⁇ -C 4 alkoxy or -CC-alkoxycarbonyl- C C-C alkoxy;
- R 5 hydrogen, nitro, cyano, halogen, halosulfonyl, N 3 , -0-YR 7 , -O-CO-YR 7 , -N (YR 7 ) (ZR 8 ), -N (YR 7 ) -S0 2 - ZR 8 ,
- R 6 is hydrogen or
- R 4 and XR 5 or XR 5 and R 6 are a 3- or 4-membered chain, the chain links of which, in addition to carbon, can have 1, 2 or 3 heteroatoms, selected from nitrogen, oxygen and sulfur atoms, which are unsubstituted or in turn have one , can carry two or three substituents, and the members of which can also comprise one or two non-adjacent carbonyl, thiocarbonyl or sulfonyl groups,
- Y, Z independently of one another: a chemical bond, a methylene or ethylene group, which may be unsubstituted or carry one or two substituents, each selected from the group consisting of Carboxy, C ⁇ -C 4 -alkyl, C 4 haloalkyl, (C ⁇ -C 4 alkoxy) carbo- nyl, and phenyl;
- R 7 , R 8 independently of one another: hydrogen, C 3 -C 8 cycloalkyl-C 4 -C 4 alkyl,
- Heterocyclyl ring may be unsubstituted or may carry one, two, three or four substituents, each selected from the group consisting of cyano, nitro, amino, hydroxy, carboxy, halogen, C ⁇ -C 4 -alkyl, C 4 haloalkyl, C ⁇ -C 4 -alkoxy, C 4 haloalkoxy, C ⁇ -C 4 alkylthio, C ⁇ -C4-haloalkylthio, C ⁇ -C 4 alkylsulfonyl, C ⁇ -C4-haloalkylsulfonyl, (C ⁇ -C -alkyl) carbonyl , (-C-C 4 -haloalkyl) carbonyl, (-C-C 4 -alkyl) carbonyloxy, (-C-C 4 -haloalkyl) carbonyloxy, (C ⁇ -C 4 -alkoxy) carbonyl and di- (C 1 -C 4 alkyl)
- R 9 is hydrogen, -CC 6 -alkyl, -C-alkoxycarbonyl -CC-C 4 -alkoxy, C 4 -C 8 cycloalkyl-C 1 -C -alkyl, C ⁇ -C 6 -haloalkyl, C 2 -C 6 -alkenyl, C 2 -C 6 haloalkenyl, C 2 -C 6 alkynyl, C 2 -C 6 haloalkynyl, C 3 -C 8 cycloalkyl, phenyl or phenyl -CC 4 -alkyl ;
- R 12, R 13 independently of one another are hydrogen, C 6 -alkyl, C 6 haloalkyl, C ⁇ -C 4 -alcohol xy-C ⁇ -C 4 alkyl, C 2 -C 6 alkenyl, C 2 - C 6 -haloalkenyl, C 2 -C 6 -alkynyl, C 2 -C 6 -haloalkynyl, C 3 -C 8 -cycloalkyl, C 3 -C 8 -cycloalkyl-C 1 -C 4 -alkyl, phenyl, Phenyl-C 1 -C 4 -alkyl, 3- to 7-membered heterocyclyl or heterocyclyl-C 1 -C 4 -alkyl, where each cycloalkyl and each heterocyclyl ring can contain a carbonyl or thiocarbonyl ring member, and wherein each Cycloalkyl, the phenyl and each heterocyclyl
- R 14 is hydrogen, C ⁇ -C 6 -alkyl, C ⁇ -C 6 -haloalkyl, C 2 -C 6 -alkenyl, C 2 -C 6 -haloalkenyl, CC 6 -alkynyl, CC 6 -haloalkynyl, C 3 -C 8 - Cycloalkyl, -CC 4 alkoxycarbonyl -CC 4 -alkyl, phenyl or phenyl -CC 4 -alkyl;
- the invention also relates to: the use of compounds I and their salts as
- Plants, herbicidal agents and agents for the desiccation and / or defoliation of plants which contain the compounds I and / or their salts as active substances, intermediates for the preparation of the compounds I Process for the preparation of herbicidal agents and agents for the desiccation and / or defoliation of Plants using the compounds I, and
- the compounds of the formula I can form geometric isomers in the substituents, for example E / z isomers.
- the invention relates to both the pure isomers and their mixtures.
- the Compounds of the formula I can also have one or more centers of chirality in the substituents and are then present as enantiomer or diastereomer mixtures.
- the invention relates both to the pure enantiomers or diastereomers and to their mixtures.
- Agriculturally useful salts include, in particular, the salts of those cations or the acid addition salts of those acids whose cations or anions do not adversely affect the herbicidal activity of the compounds I. So come as cations in particular the ions of the alkali metals, preferably sodium and potassium, the alkaline earth metals, preferably calcium, magnesium and barium, and the transition metals, preferably manganese, copper, zinc and iron, as well as the ammonium ion, if desired one to four C ⁇ -C -Alkyl- and / or a phenyl or benzyl substituent can wear, preferably diisopropylammonium, tetramethylammonium, tetrabutylammonium, trimethylbenzylammonium, further phosphonium ions, sulfonium ions, preferably tri (-C 4 alkyl) sulfonium and sulfoxonium ions, preferably tri (C ⁇ -C)
- Anions of useful acid addition salts are primarily chloride, bromide, fluoride, hydrogen sulfate, sulfate, dihydrogen phosphate, hydrogen phosphate, phosphate, nitrate, hydrogen carbonate, carbonate, hexafluorosilicate, hexafluorophosphate, benzoate, and the anions of C 1 -C 4 -alkanoic acids, preferably Formate, acetate, propionate and butyrate. They can be formed by reacting I with an acid of the corresponding anion, preferably hydrochloric acid, hydrobromic acid, sulfuric acid, phosphoric acid or nitric acid.
- halogenated Substituents preferably carry one, two, three, four or five identical or different halogen atoms. Halogen is fluorine, chlorine, bromine or iodine.
- -C-C 4 alkyl for: CH 3 , C 2 H 5 , n-propyl, CH (CH 3 ) 2 , n-butyl, CH (CH 3 ) -C 2 H 5 , CH 2 -CH (CH 3 ) 2 and C (CH 3 ) 3 ;
- - C 1 -C 6 -haloalkyl for: a C 1 -C 4 -alkyl radical as mentioned above which is partially or completely substituted by fluorine, chlorine, bromine and / or iodine, for example CH 2 F, CHF 2 , CF 3 , CHC1, Dichloromethyl, trichloromethyl, chlorofluoromethyl, dichlorofluoromethyl, chlorodifluoromethyl, 2-fluoroethyl, 2-chloroethyl, 2-bromoethyl, 2-iodoethyl, 2,2-difluoroethyl, 2, 2, 2-trifluoroethyl, 2-chloro-2-fluoroethyl,?
- Ci-C ß- alkyl for: -C-C 4 alkyl as mentioned above, and for example n-pentyl, 1-methylbutyl, 2-methylbutyl, 3-methylbutyl, 2,2-dimethylpropyl, 1-ethylpropyl, n-hexyl, 1,1-dimethylpropyl, 1,2-dimethylpropyl, 1-methylpentyl, 2-methylpentyl, 3-methylpentyl, 4-methylpentyl, 1,1-dimethylbutyl, 1,2-dimethylbutyl, 1,3-dimethylbutyl, 2,2- Dimethylbutyl, 2,3-dimethylbutyl, 3,3-dimethylbutyl, 1-ethylbutyl, 2-ethylbutyl, 1,1,2-trimethylpropyl, 1,2,2-trimethylpropyl, 1-ethyl-l-methylpropyl or l-ethyl- 2-methylpropyl, preferably methyl, eth
- C ⁇ -C 6 -haloalkyl a C ⁇ -C 6 -alkyl radical as mentioned above which is partially or completely by, iodine of fluorine, chlorine, bromine and / or substituted, that one of said at C ⁇ -C 4 haloalkyl radicals such as as well as for 5-fluoro-1-pentyl, 5-chloro-1-pentyl, 5-bromo-1-pentyl, 5-iodo-1-pentyl, 5,5,5-trichloro-1-pentyl, undecafluoropentyl, 6- fluoro-l-hexyl, 6-chloro-l-hexyl, 6-bromo-l-hexyl, 6-iodo-l-hexyl, 6, 6, 6-trichloro-l-hexyl or dodecafluorhexyl;
- Phenyl-C ! -C 4 -alkyl for: benzyl, 1-phenylethyl, 2-phenylethyl, 1-phenylprop-l-yl, 2-phenylprop-l-yl, 3-phenylprop-l-yl,
- Heterocyclyl -C ⁇ C 4 alkyl for: heterocyclylmethyl, 1-heterocyclyl-ethyl, 2-heterocyclyl-ethyl,
- -C-C 4 alkoxy for: 0CH 3 , OC 2 H 5 , n-propoxy, OCH (CH 3 ) 2 , n-butoxy, OCH (CH 3 ) -C 2 H 5 , OCH 2 -CH (CH 3 ) 2 or OC (CH 3 ) 3 , preferably for 0CH 3 , OC 2 H 5 or OCH (CH 3 ) 2 ;
- haloalkoxy for: a C 1 -C 4 alkoxy radical as mentioned above, which is partially or completely substituted by fluorine, chlorine, bromine and / or iodine, for example OCH 2 F, OCHF 2 , OCF 3 , 0CH 2 C1, 0CH (C1) 2 , 0C (C1) 3 , chlorofluoroethoxy, dichlorofluoromethoxy, chlorodifluoromethoxy, 2-fluoroethoxy, 2-chloroethoxy, 2-bromoethoxy, 2-iodoethoxy, 2,2-difluoroethoxy, 2,2, 2- Trifluoroethoxy, 2-chloro-2-fluoroethoxy, 2-chloro-2, 2-difluoroethoxy, 2, 2-dichloro-2-fluoroethoxy, 2,2,2-trichloroethoxy, OC 2 F 5 , 2-fluoropropoxy, 3-fluoropropoxy, 2-fluor
- C ⁇ -C 4 alkylthio for: SCH 3 , SC 2 H 5 , n-propylthio, SCH (CH 3 ) 2 , n-butylthio, SCH (CH 3 ) -C 2 H 5 , SCH 2 -CH (CH 3 ) 2 or SC (CH 3 ) 3 , preferably for SCH 3 or SC 2 H 5 ;
- C 1 -C 4 -haloalkylthio for: a C 1 -C -alkylthio radical as mentioned above, which is partially or completely substituted by fluorine, chlorine, bromine and / or iodine, for example SCH 2 F, SCHF 2 , SCH 2 C1, SCH (C1) 2 , SC (C1) 3 , SCF 3 , chlorofluoromethylthio, dichlorofluoromethylthio, chlorodifluoromethylthio, 2-fluoroethylthio, 2-chloroethylthio, 2-bromoethylthio, 2-iodoethylthio, 2,2-difluoroethylthio, 2, 2, 2-trifluoroethylthio, 2-chloro-2-fluoroethylthio,
- C 1 -C 4 -alkoxy-C 4 -C 4 -alkyl for: C 1 -C 4 -alkoxy - as mentioned above - substituted -CC 4 alkyl, for example for CH 2 -OCH 3 , CH 2 -OC 2 H 5 , n-propoxymethyl, CH 2 -OCH (CH 3 ) 2 , n-butoxymethyl, (l-methylpropoxy) methyl, (2-methylpropoxy) methyl, CH 2 -OC (CH 3 ) 3 , 2- (methoxy) ethyl , 2- (ethoxy) ethyl, 2- (n-propoxy) ethyl, 2- (l-methylethoxy) ethyl, 2- (n-butoxy) ethyl, 2- (l-methylpropoxy) ethyl,
- C 1 -C 4 alkylthio -CC 4 -alkyl for: -C 4 -alkylthio - as mentioned above - substituted -CC 4 -alkyl, for example for CH 2 -SCH 3 , CH 2 -SC 2 H 5 , n-propylthiomethyl, CH 2 -SCH (CH 3 ), n-butylthiomethyl, (1-methylpropylthio) methyl,
- (C ⁇ -C 4 alkyl) carbonyl for: C0-CH 3 , CO-C 2 H 5 , CO-CH 2 -C 2 H 5 , CO-CH (CH 3 ) 2 , n-butylcarbonyl, CO-CH ( CH 3 ) -C 2 H 5 , CO-CH 2 -CH (CH 3 ) 2 or CO-C (CH 3 ) 3 , preferably for CO-CH 3 or CO-C 2 H 5 ; (C ⁇ -C 4 haloalkyl) carbonyl for: one
- 2,2,2-trichloroethylcarbonyl C0-C 2 Fs, 2-fluoropropylcarbonyl, 3-fluoropropylcarbonyl, 2,2-difluoropropylcarbonyl, 2,3-difluoropropylcarbonyl, 2-chloropropylcarbonyl, 3-chloropropylcarbonyl, 2,3-dichloropropylcarbonyl, 2- Bromopropylcarbonyl, 3-bromopropylcarbonyl,
- (C ! -C 4 alkyl) carbonyloxy for: 0-CO-CH 3 , 0-CO-C 2 H 5 , 0-CO-CH 2 -C 2 H 5 , 0-CO-CH (CH 3 ) 2 , 0-CO-CH 2 -CH 2 -C 2 H 5 , 0-CO-CH (CH 3 ) -C 2 H 5 , 0-CO-CH 2 -CH (CH 3 ) 2 or 0-CO-C (CH 3 ) 3 , preferably for 0-CO-CH 3 or 0-CO-C 2 H 5 ;
- (-C-C 4 haloalkyl) carbonyloxy for: a (-C 4 -alkyl) carbonyl radical - as mentioned above - which is partially or completely substituted by fluorine, chlorine, bromine and / or iodine, for example 0-CO-CH 2 F, 0-C0-CHF 2 , 0-C0-CF 3 , 0-C0-CH 2 Cl, O-CO-CH (Cl) 2 , 0-C0-C (Cl) 3 ,
- Chlorofluoromethylcarbonyloxy dichlorofluoromethylcarbonyloxy, chlorodifluoromethylcarbonyloxy, 2-fluoroethylcarbonyloxy, 2-chloroethylcarbonyloxy, 2-bromoethylcarbonyloxy, 2-iodoethylcarbonyloxy, 2, 2-difluoroethylcarbonyloxy, 2, 2, 2-trifluorethylcarbonyloxy,
- (-C-C 4 -alkoxy) carbonyl for: C0-0CH 3 , CO-OC 2 H 5 , n-propoxycarbonyl, CO-OCH (CH 3 ) 2 , n-butoxycarbonyl, CO-OCH (CH 3 ) - CH 5 , CO-OCH 2 -CH (CH 3 ) 2 or CO-OC (CH 3 ) 3 , preferably for CO-OCH 3 or CO-OC 2 H 5 ;
- (C ⁇ -C 4 -alkoxy) carbonyl -CC-C alkyl for: by (-C-C 4 alkoxy) carbonyl - as mentioned above - substituted -CC-alkyl, for example for methoxycarbonylmethyl, ethoxycarbonyl-methyl, n- Propoxycarbonyl-methyl, (1-methylethoxycarbonyl) methyl1, n-butoxycarbonylmethy1, (l-methylpropoxycarbonyl) methyl, (2-methylpropoxycarbonyl) methyl1,
- C 1 -C 4 alkylsulfinyl for: SO-CH 3 , SO-C 2 H 5 , SO-CH 2 -C 2 H 5 , SO-CH (CH 3 ) 2 , n-butylsulfinyl, SO-CH (CH 3 ) -C 2 H 5 , SO-CH 2 -CH (CH 3 ) 2 or SO-C (CH 3 ) 3 , preferably for S0-CH 3 or SO-c 2 H 5 ; -C-C-Haloalkylsulfinyl for: a -C-C 4 alkylsulfinyl radical
- Nonafluorobutylsulfinyl preferably for SO-CF 3 , S0-CH 2 C1 or 2, 2, 2-trifluoroethylsulfinyl;
- Nonafluorobutylsulfonyl preferably for S0 2 -CF 3 , S0 2 -CH 2 C1 or 2, 2, 2-trifluoroethylsulfonyl;
- N, N-dipropylamino N [CH (CH 3 ) 2 ] 2 , N, N-dibutylamino,, N-di- (1-methylpropy1) amino, N, -Di- (2-meth lpropy1) amino,
- N [C (CH 3 ) 3 ] 2 N-ethyl-N-methylamino, N-methyl-N-propylamino, N-methyl-N- (1-methylethyl) amino, N-butyl-N-methylamino,
- Di- (-C 4 -alkyl) -aminocarbonyl for example N, N-dimethylaminocarbonyl, N, N-diethylaminocarbonyl,
- Di- (C ⁇ -C4 alkyl) aminocarbonyl-C ⁇ -C 4 alkyl by di- (C ⁇ -C4 alkyl) aminocarbonyl monosubstituted C ⁇ -C 4 alkyl, for example, di- (C ⁇ -C 4 -alkyl) —aminocarbonylmethyl, 1- or 2-di- (-C-alkyl) —aminocarbonylethyl, 1-, 2- or 3-di- (-C-C 4 -alkyl) —aminocarbonylpropyl;
- C 1 -C 4 -alkoxy for example di- (C 4 -alkyl) -aminocarbonylmethoxy, 1- or 2-di- (C 1 -C -alkyl) -aminocarbonylethoxy, 1-, 2- or 3-di- (C ⁇ -C alkyl) aminocarbonylpropoxy;
- C 2 -C 6 haloalkenyl for: CC 6 alkenyl as mentioned above, which is partially or completely substituted by fluorine, chlorine and / or bromine, for example 2-chlorovinyl, 2-chloroallyl, 3-chloroallyl, 2,3- dichloroallyl,
- C 2 -C 6 -haloalkynyl for: CC 6 -alkynyl as mentioned above, which is partially or completely substituted by fluorine, chlorine and / or bromine, for example 1, l-difluoroprop-2-in-l-yl, 1, l-difluorobut-2-in-l-yl, 4-fluorobut-2-in-l-yl, 4-chlorobut-2-in-l-yl,
- C 3 -C 8 cycloalkyl for: cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, cycloheptyl or cyclooctyl;
- Thiocarbonyl ring member contains e.g. for cyclobutanon-2-yl
- C 3 -C 8 cycloalkyl -CC-C-alkyl for: cyclopropylmethyl, 1-cyclopropyl-ethyl, 2-cyclopropyl-ethyl, 1-cyclopropyl-prop-l-yl, 2-cyclopropyl-prop-l-yl, 3rd -Cyclopropyl-prop-l-yl, 1-cyclopropyl-but-l-yl, 2-cyclopropyl-but-l-yl, 3-cyclopropyl-but-l-yl, 4-cyclopropyl-but-l-yl, l -Cyclopropyl-but-2-yl, 2-cyclopropyl-but-2-yl, 3-cyclopropyl-but-2-yl, 4-cyclopropyl-but-2-yl, 1- (cyclopropylmethyl) eth-l-yl , 1- (Cyclopropylmethyl) -1- (methy1) -e
- 3- to 7-membered heterocyclyl is understood to mean both saturated, partially or completely unsaturated and aromatic heterocycles having one, two or three heteroatoms, the heteroatoms being selected from nitrogen atoms, oxygen and sulfur atoms.
- Saturated 3- to 7-membered heterocyclyl can also contain a carbonyl or thiocarbonyl ring member.
- saturated heterocycles which can contain a carbonyl or thiocarbonyl ring member are:
- unsaturated heterocycles which may contain a carbonyl or thiocarbonyl ring member are: dihydrofuran-2-yl, l, 2-oxazolin-3-yl, l, 2-oxazolin-5-yl, l, 3-oxazolin 2-yl.
- aromatic heterocyclyl examples are 5- and
- 6-membered aromatic, heterocyclic radicals e.g. Furyl such as 2-furyl and 3-furyl, thienyl such as 2-thienyl and 3-thienyl, pyrrolyl such as 2-pyrrolyl and 3-pyrrolyl, isoxazolyl such as 3-isoxazolyl, 4-isoxazolyl and 5-isoxazolyl, isothiazolyl such as 3-isothiazolyl, 4-isothiazolyl and 5-isothiazolyl, pyrazolyl such as 3-pyrazolyl, 4-pyrazolyl and 5-pyrazolyl, oxazolyl such as 2-0xazolyl, 4-0xazolyl and 5-0xazolyl, thiazolyl such as 2-thiazolyl, 4-thiazolyl and 5-thiazolyl, Imidazolyl such as 2-imidazolyl and 4-imidazolyl, oxadiazolyl such as l, 2,4-oxadiazol-3-y
- fused rings are, in addition to phenyl, the aforementioned heteroaromatic groups, in particular pyridine, pyrazine, pyridazine, pyrimidine, furan, dihydrofuran, thiophene, dihydrothiophene, pyrrole, dihydropyrrole, 1,3-dioxolane, 1,3-dioxolan-2-one, isoxazole , Oxazole, oxazolinone, isothiazole, thiazole, pyrazole, pyrazoline, imidazole, imidazolinone,
- suitable substituents on the fused ring are the meanings given below for R 15 , R 16 , R 17 and R 18 .
- R 3 is hydrogen, chlorine or in particular fluorine
- R 4 halogen, preferably chlorine, and cyano.
- X, R 4 and R 5 have, independently of one another and preferably together, the following preferred meanings:
- X is a chemical bond, methylene, ethane-1,2-diyl, ethene-1,2-diyl, which may be unsubstituted or a substituent selected from C 1 -C 4 -alkyl, especially methyl, or halogen, especially chlorine , for example 1- or 2-chloroethane-1, 2-diyl, 1- or 2-chloroethene-1, 2-diyl, 1- or 2-bromoethane-1, 2-diyl, 1- or 2-bromoethene-1, 2-diyl, 1- or 2-methylethane-1,2-diyl, 1- or 2-methylethene-1,2-diyl, especially a chemical bond, 1- or
- variables R 7 , R 8 , R 9 , Y, Z mentioned in the definition of the variables R 5 preferably have the following meanings:
- Y, Z independently of one another are a chemical bond or methylene
- Ci-C ß -haloalkyl in particular hydrogen, Ci-C ß -haloalkyl, -C-C alkoxy-C -C -alkyl, C 2 -C 6 alkenyl, C 2 -C 6 alkynyl, -CH (R 10 ) (R 11 ) , -C (R 10 ) (R 1: L ) -CO-OR 12 , -C (R 10 ) (R 1: 1 -) - CO-N (R 12 ) R 13 , phenyl or C 3 -C 8 Cycloalkyl, particularly preferably hydrogen,
- R 10 , R 11 , R 12 and R 13 independently of one another preferably have the meanings given below:
- R 10 is hydrogen or -CC 4 alkyl, especially methyl or ethyl
- R 11 is hydrogen or -CC 4 alkyl, especially methyl or ethyl
- R 12 , R 13 independently of one another are hydrogen, Ci-C ⁇ - alkyl, Cx-Cg-haloalkyl, C 2 -C 6 -alkenyl, C 2 -C 6 -alkynyl,
- C 3 -C 8 -cycloalkyl C 3 -C 8 -cycloalkyl-C 1 -C -alkyl, or -CC 4 alkoxy -CC 4 -alkyl, in particular hydrogen or -C 6 -alkyl;
- R 9 Ci-Ce alkyl, -CC alkoxycarbonyl -CC 4 alkyl, C 2 -C 6 alkenyl, especially methyl or ethyl.
- R 7 and R 8 independently of one another are C 3 -C 8 cycloalkyl-C 4 -C 4 -alkyl or Cx-C ⁇ - alkyl.
- R 5 very particularly preferably represents C 3 -C 4 -alkynyloxy, C x -C 4 -alkoxy, C 3 -C 4 -alkenyloxy, OCH (R 19 ) -COOR 20 , CO-OR 21 or COO-CH (R 22 ) COOR 23 , wherein R 19 , R 22 independently of one another represent hydrogen or C ⁇ -C alkyl,
- R 20, R 2 ⁇ , R 23 are independently C ⁇ -C alkyl, C 3 -C 6 alkenyl, C 3 -C 6 alkynyl, C ⁇ -C4 haloalkyl, C ⁇ -C4-alkoxy-C ⁇ -C 4 mean alkyl;
- R 4 and XR 5 or XR 5 and R 6 in formula I can also form a 3- or 4-membered chain which, in addition to carbon, has 1, 2 or 3, preferably 2, heteroatoms selected from nitrogen, oxygen and sulfur atoms can, which may be unsubstituted or in turn carry one, two or three substituents, and the members of which may also comprise one or two non-adjacent carbonyl, thiocarbonyl or sulfonyl groups.
- Such connections are referred to below as connections IB and IC.
- R 17 is hydrogen, hydroxy, C 1 -C 6 alkyl, Cx-Ce haloalkyl, C 2 -C 6 alkenyl, C 2 -C 6 haloalkenyl, C -C 6 alkynyl, C 1 -C alkoxy, C 1 -C-haloalkoxy, C 3 -C 6 -alkenoxy, C 3 -C 6 -alkynyloxy, -C-C-alkylsulfonyl, -C-C-haloalkylsulfonyl, C ⁇ -C 4 -alkylcarbonyl, C ⁇ -C 4 -haloalkylcarbonyl, C ⁇ -C 4 -alkoxycarbonyl,
- C ⁇ -C4-alkoxy-C ⁇ -C 4 alkyl C 1 -C 4 alkoxy-alkoxycarbonyl-C ⁇ -C 4 -alkyl, C 4 alkoxycarbonyl-C 1 -C 4, Mono- and di- (-C 4 -alkyl) aminocarbonyl, mono- and di- (C ⁇ -C 4 -alkyl) aminocarbonyl-C ⁇ -C -alkyl, mono- and di- (C ⁇ -C4-alkyl) aminocarbonyl- -C-C 4 -alkoxy, phenyl, phenyl-C 1 -C -alkyl, C 3 -C 8 -cycloalkyl, C 3 -C 8 -cycloalkyl-C ⁇ -C 4 -alkyl, 3-, 4-, 5-, 6- or 7-membered heterocyclyl, 3-, 4-, 5-, 6- or 7-membered heterocyclyl -C-C 4 alkyl, preferably 5-
- R 18 is hydrogen, halogen, cyano, amino, -CC 6 alkyl,
- -C 4 -alkyl aminocarbonyl, di- (-C-C 4 -alkyl) aminocarbonyl-C ⁇ -C 4 -alkyl, di- (C ⁇ -C 4 -alkyl) aminocarbonyl-C ⁇ -C4-alkoxy, Di (C 1 -C 4 alkyl) aminocarbonyl C 1 -C 4 alkylthio, C 3 -C 8 cycloalkyl, phenyl, phenyl C 1 -C 4 alkyl, C 3 -C 8 cycloalkyl C 1 -C 4 alkyl, 3-, 4-, 5-, 6- or 7-membered, preferably 5- or 6-membered, preferably saturated heterocyclyl which has one or two, preferably a ring heteroatom, selected from oxygen, nitrogen or Sulfur.
- R 15 to R 18 preferably have the following meanings:
- R 15 , R 16 independently of one another are hydrogen or methyl
- R 17 is hydrogen, hydroxy, C 1 -C 4 -alkyl, C 4 haloalkyl, C 2 -C 6 alkenyl, C 2 -C 6 alkynyl, C! -C 4 -alkoxy, -C-C 4 -haloalkoxy, C 3 -C 6 -alkenyloxy, C 3 -C 6 -alkynyloxy, -C-C -alkoxycarbonyl-C ⁇ -C 4 -alkyl, C ⁇ -C -alkoxycarbonyl- C ⁇ - C 4 -alkoxy, C 3 -C 8 -cycloalkyl, C 3 -C 8 -cycloalkyl-C ⁇ -C 4 -alkyl or phenyl-C 1 -C-alkyl or 3-, 4-, 5- or 6-membered, preferably 5- or 6-membered, preferably saturated Heterocyclyl, which has a ring heteroatom selected from oxygen, nitrogen or
- R 18 is hydrogen, halogen, amino, C ⁇ -C 6 -alkyl, C 6 haloalkyl, C 2 -C 6 alkenyl, C 2 -C 6 haloalkenyl, C 2 -C 6 alkynyl r C ⁇ -C 4 -Alkoxy, C 3 -C 6 -alkenoxy, C 3 -C 6 -alkynyloxy, -C-C 4 -alkylamino, di- (-C-C 4 -alkyl) amino, -C-C 4 -alkylthio, -C-C -alkoxycarbonyl -C-C 4 -alkyl, C 1 -C 4 -alkoxycarbonyl-C ⁇ -C 4 -alkoxy, C ⁇ -C 4 -alkoxycarbonyl-C ⁇ -C 4 -alkylthio, C 3 -C 8 cycloalkyl, phenyl, phenyl-C
- R 4 together with XR 5 for a chain of the formula -0- [C (R 15 ) (R 16 )] n -CO-N (R 17 ) -, -S - [C (R 15 ) (R 16 )] n -C0-N (R 17 ) - with n 0 or 1.
- R 15 and R 17 have in particular the meanings given as preferred.
- the compounds IB are very particularly preferred in which the nitrogen atom of the chain -0-C (R 16 ) (R 15 ) -CO-N (R 17 ) - or -SC (R i6 ) (R 15 ) -C0 -N (Rl 7 ) - is bonded to the carbon atom of the phenyl ring in the formula I which bears the group XR 5 (meta position with respect to the pyridine group).
- R 16 in these chains is preferably hydrogen.
- R 3 preferably represents halogen and in particular fluorine, or hydrogen.
- R 15 to R 18 have the meanings given above, in particular the meanings given as preferred.
- the nitrogen atom of the chain is preferably bonded to the C atom of the phenyl ring in formula I which carries the group XR 5 .
- R 3 preferably represents fluorine or hydrogen.
- R 4 preferably represents chlorine or cyano.
- variable XR 5 has the meanings mentioned above and in particular the meanings given in one row of Table 1 (compounds IAb.l-IAb.232 to IAq. L-IAq .232).
- the compounds of the general formulas IAa to IAh are particularly preferred, in particular those in which X is a single bond and R 5 is -CO-OYR 7 and -OYR 7 and particularly preferably for C 3 -C 4 alkynyloxy, OCH (R 19 ) -COOR 20 , CO-OR 2! or COO-CH (R 22 ) COOR 23 , in which R 7 , R 19 to R 23 have the meanings given above.
- the 2-aryl-5-trifluoromethylpyridines according to the invention, their N-oxides and their salts can be prepared analogously to the 2-aryl-5-trifluoromethylpyridines known from the prior art cited at the beginning.
- a suitably substituted pyridine of the general formula II is preferably coupled
- R a is halogen or S (0) k -phenyl, where k is 0, 1 or 2.
- R 3 and R 4 have the meaning given above and R b stands for a substituent which is compatible with the metal atom or the semimetal and which is prepared by known processes can be converted into one of the groups XR 5 or means a group XR 5 which is compatible with the metal or the semimetal.
- the reaction of II with III is preferably carried out in the presence of catalytically active amounts of a transition metal of the 8th subgroup of the periodic table, for example Ni or Pd, it being possible for the metal as such to be used in doped or supported form, as a complex compound or as a salt.
- R b represents hydrogen, C 1 -C 4
- R 'hydrogen or -CC-alkyl or two radicals R' form a chain of the formula -CH 2 -CH 2 - or -CH 2 -CH 2 -CH 2 ;
- R 3a is hydrogen or halogen
- R 4a halogen or C ⁇ -C 4 alkoxy
- R 5a is hydrogen, cyano, halogen, -0-YR 7a , -O-CO-YR 7 , -SYR 7a , -CO-OYR 7 or —P0 (O-YR 7 ) 2 ; wherein R 7a represents a group -C (R 10 ) (R 1: L ) -CO-OR 12 and Y, R 7 , R 10 , R 11 and R 12 have the meanings given above;
- R 4 stands for CN and R 5a has the following meaning:
- R 5a cyano, halogen, -OYR 7 , -O-CO-YR 7 , -SYR 7 , -CO-OYR 7 or -PO (O-Y-R 7 ) i; wherein Y and R 7 have the meanings given above;
- boronic acids purple are new and as important intermediates for the preparation of the 2-aryl-5-trifluoromethylpyridines of the formula I according to the invention also the subject of the present invention, in the boronic acids purple, X and Y are preferably single bonds.
- boronic acid derivatives purple such compounds are particularly important intermediates in which R 4a is chlorine and XR 5a
- Ni catalysts nickel (II) acetylacetonate alone or in combination with the aforementioned phosphine ligands or Ni (II) acetylacetonate with imidazolium carbene ligands, as well as complexes of nickel (II) salts with the aforementioned phosphine ligands, e.g.
- the catalyst is usually used in a substoichiometric amount, preferably from 0.001-0.8 equivalents and particularly preferably from 0.01 to 0.5 equivalents, based on pyridine II used.
- the molar ratio of compound II to compound III is preferably in the range from 0.95: 1 to 1: 1.5.
- alkali metal and alkaline earth metal hydroxides alkali metal (hydrogen) carbonates and phosphates such as NaOH, NaHC0 3 , Na 2 C0 3 , KHC0 3 , K 2 C0 3 , Ba (OH) 2 , K 3 P0 4 , Alkali, alkaline earth, thallium and transition metal alcoholates such as Na ethanolate, thallium ethanolate are suitable.
- Alkali metal fluorides such as potassium fluoride, cesium fluoride, ammonium fluoride and tetrabutylammonium fluoride are also suitable as bases. The base is usually used in an approximately stoichiometric amount or in up to 10-fold excess, based on compound II.
- Organic solvents such as DMF, dimethyl acetamide, toluene, tetrahydrofuran (THF), dioxane and dimethoxyethane are suitable as solvents.
- the abovementioned solvents can also be used in a mixture with water, e.g. in a ratio of approximately 5: 1 to 1: 5, preferably in a ratio of approximately 2: 1 to 1: 2 and in particular approximately 1: 1.
- the reaction temperature is usually above the melting temperature and can be up to the boiling point of the solvent. It is preferably in the range between 50 and 150 ° C.
- the reaction can be carried out analogously to that in JP 2000080082, WO 98 54137, WO 98 11069, WO 98/11070, and WO 98/11072 described procedures take place, so that reference is made to the disclosure of these documents at this point.
- R 2d represents halogen, especially fluorine or chlorine.
- Shark also means halogen, especially fluorine or chlorine.
- R is 0-alkyl or benzyl for C ⁇ -C ⁇ .
- R b has the meanings given above.
- the pyridine compounds V are first prepared by reacting the dihalopyridines IV with alcohols ROH in the presence of bases or by reacting IV with the corresponding alcoholates (step i)).
- Such implementations are known in principle and are described, for example, by Tome et al. Tetrahedron Lett. 34 (41) 1993 p. 6639, Gerster et al. J. Org. Chem. 31 1966 p. 3259 and in WO 98/11069, to which reference is hereby made.
- the introduction of the methyl group in the 4-position of the pyridine ring in step ii) surprisingly succeeds through a two-stage reaction sequence, comprising first the metalation, in particular lithiation, of the 4-position and then the reaction of the pyridine anion thus obtained with an electrophilic methylating agent , An undesired halogen-metal exchange or the formation of undesired isomers or addition products in the 6-position is not observed.
- this procedure opens up a route for the preparation of the compounds II and thus for the preparation of the compounds I.
- the compounds II and the processes explained in schemes 1 and 2 are therefore also an object of the present invention.
- the pyridine derivative V is usually set in step ii) with at least one equivalent of an organolithium compound, e.g. Methyl lithium, n-butyllithium or sec-butyllithium, or with a lithium amide such as lithium diisopropyl amide or lithium 2,2,6,6-tetramethylpiperidine (LiTMP) in an aprotic, preferably ethereal organic solvent such as tetrahydrofuran or methyl 1-tert. -butyl ether.
- the reaction is generally carried out at temperatures below ⁇ 30 ° C., preferably in the range from ⁇ 120 ° C. to ⁇ 40 ° C. and in particular in the range from ⁇ 75 ° C.
- methylation 1 to 20 equivalents, preferably 1 to 10 equivalents, of an electrophilic methylating agent are then generally added. In some cases it may be advantageous to add the lithiated pyridine to a solution of the electrophilic methylating agent.
- methylating agents such as methyl halides
- electrophilic methylating agents preferably methyl chloride, methyl bromide, methyl iodide, furthermore dimethyl sulfate, methyl tosylate and methyl triflate.
- the pyridine compound VI is treated with a strong Lewis acid such as boron tribromide, trimethylsilyl iodide or a hydrohalic acid such as concentrated hydrobromic acid.
- R in formula VI is benzyl
- the ether cleavage can also be carried out by means of hydrogenolysis, e.g. by treating VI with hydrogen in the presence of a transition metal catalyst such as palladium or platinum on activated carbon or Raney nickel. The conditions for this are based on the methods known from protecting group chemistry, e.g. in Kocienski et al. "Protecting Groups", Thieme Verlag 1994.
- step iv) which, depending on the solvent, can also be in the form of the tautomeric pyridone, is fundamentally familiar to the person skilled in the art and is usually carried out by reacting VII with a Lewis acid halogenating agent such as phosgene, thionyl chloride , Phosphorus oxychloride or phosphorus (V) chloride.
- a Lewis acid halogenating agent such as phosgene, thionyl chloride , Phosphorus oxychloride or phosphorus (V) chloride.
- the halogenating agent is used in equimolar amounts or in a 10-fold excess in an inert, organic solvent such as chloroform, dichloroethane, toluene or in a very large excess as a solvent.
- the reaction temperatures are generally in the range from 20 ° C.
- R 2d represents halogen, especially fluorine or chlorine.
- Shark also means halogen, especially fluorine or chlorine.
- R stands for -CC-alkyl or benzyl.
- R b has the meanings mentioned above.
- Sg stands for hydrogen or a protective group.
- step i an alkoxypyridine compound V is metallized, in particular lithiated, and then reacted with CO 2 or a carbonic acid derivative to give the carboxylic acid VIII.
- step i the same applies in step 1) to scheme ii).
- the methods for converting carboxylic acid derivatives into A ine are known to the person skilled in the art as Hof ann, Curtius and Schmidt degradation.
- Regarding the conditions for the Implementation is referred to, for example, Houben-Weyl Organo-Nitrogen Compounds IV, Volume E16d Part 2, pages 1160-1167, Thieme Verlag Stuttgart.
- Steps iii), iv) and v) of Scheme 2 are carried out analogously to the steps described in Scheme 1.
- Sg represents a protective group, i.e. is different from hydrogen
- Sg is usually cleaved under the conditions of ether cleavage (step iii) in Schemes 1 and 2).
- Suitable protective groups are, for example, acetyl and benzyloxycarbonyl.
- aminopyridines II can be prepared by lithiating compound V and then reacting the lithiated pyridine with an electrophilic amination reagent such as tosyl azide, phosphoryl azide, t-butylvinylazide, hydroxylamine or 2,4-dinitrophenyl hydroxylamine ether (Scheme 2, step vi)) ,
- electrophilic amination reagent such as tosyl azide, phosphoryl azide, t-butylvinylazide, hydroxylamine or 2,4-dinitrophenyl hydroxylamine ether
- the phenyl-Grignard compound required for this is usually prepared starting from the corresponding phenylbromide by reaction with magnesium or a second Grignard reagent.
- the reaction temperatures required for this only open access to those Grigard compounds in which the group R 4 or R b in formula III represents a radical which does not react with a Grignard compound.
- the corresponding phenyl iodides are first converted into Grignard compounds.
- the conversion of functionalized aromatic iodides to Grignard reagents is basically known from the literature (see, for example, Knöchel et al, Angew. Che. 1998, 110, p. 1801 and DE-A 19836408) and is usually carried out by reacting the phenyl iodides with others Grignard.
- the conversion of the phenylgrignard compounds III obtained in this way into the boronic acids purple then takes place at low temperatures, ie below 0 ° C., in particular at ⁇ 10 ° C. and below, that is to say at temperatures at which a number of groups which are reactive toward Grignard compounds, such as carboxylic acid ester groups, , Amide and nitrile groups, are not yet attacked.
- the present invention also relates to the phenylboronic acid compounds of the general formula purple defined above. Depending on the processing and storage, these compounds can either be present only as monomers boronic acid or as their trimers boroxins or also as mixtures and can be used in the reactions described at the outset.
- the corresponding iodides are first converted into the corresponding phenylgrignard compound using another Grignard compound.
- alkyl grignard compounds for example C 1 -C 4 -alkyl magnesium halides, in particular the bromides such as methyl magnesium bromide or isopropyl magnesium bromide.
- the iodide is used at temperatures between -78 ° C and 0 ° C, preferably at -60 ° C to 0 ° C and very particularly preferably at -50 ° C to -10 ° C with an approximately equivalent amount, for example 1 to 1.05 equivalent of a Grignard compound, preferably isopropyl magnesium bromide or chloride in an inert organic solvent, preferably an ether such as diethyl ether, tetrahydrofuran, dioxane , Dimethoxyethane, methyl tert-butyl ether or mixtures thereof.
- the Grignard compound is then trapped at these temperatures with boric acid esters, preferably lower alkyl esters, very preferably trimethyl borate. Acidic, aqueous workup then provides the boronic acid or its trimers or, in the case of neutral workup, the esters of boronic acid (R 'H).
- boronic acids III The iodides required for the preparation of boronic acids III are partly. known in the literature (e.g. 2-fluoro-4-chloro-5-carboisopropoxy-1-iodobenzene, CAS no .: 264927-52-8), 2-fluoro-4-chloro-5-methoxy-1-iodobenzene (CAS no .: 174913-22-5), 2-fluoro-4-chloro-l-iodobenzene (CAS no .: 6797-79-1) or can be prepared in analogy to these (see also Houben -Weyl Vol 5/4, S 639 ff).
- Table 5 gives an example of some boronic acids according to the invention that can be produced in this way:
- the compounds of formula I according to the invention can be prepared by derivatizing other 2-aryl-5-trifluoromethylpyridines.
- L is a is a nucleophilically displaceable leaving group, for example a halogen atom, an arylsulfonate group, a sulfate group or comparable, preferably alkylated in the presence of a base.
- Strong Lewis acids such as boron tribromide and hydrogen halide acids such as HBr or HI are suitable for cleaving the methyl ethers.
- the methoxy compound is preferably reacted with 1 to 5 equivalents of the Lewis acid in an aprotic organic solvent, preferably a chlorinated hydrocarbon such as dichloromethane, chloroform or 1,2-dichloroethane.
- the reaction temperature is usually above the melting temperature and can be up to the boiling point of the solvent. It is preferably in the range from 0 ° C to 50 ° C. Further methods and conditions for ether cleavage are described in Kocienski, "Protecting Groups", Thieme Verlag Stuttgart 1994.
- nitration reagents come, for example, nitric acid in different concentrations, also concentrated and fuming nitric acid, mixtures of sulfuric acid and nitric acid, and salts of nitric acid such as.
- the reaction can be carried out either in a solvent-free manner in an excess of the nitrating reagent or in an inert solvent or diluent, water, mineral acids, organic acids, halogenated hydrocarbons such as methylene chloride, anhydrides such as acetic anhydride and mixtures of these solvents being suitable, for example.
- the reaction temperature is normally from -100 ° C to 200 ° C, preferably from -30 ° C to 50 ° C.
- the reduction is generally carried out by reacting the nitro compound with a metal such as iron, zinc or tin under acidic reaction conditions or with a complex hydride such as lithium aluminum hydride and sodium borohydride, the reduction in bulk or in a solvent or diluent is carried out.
- a metal such as iron, zinc or tin under acidic reaction conditions or with a complex hydride such as lithium aluminum hydride and sodium borohydride
- a complex hydride such as lithium aluminum hydride and sodium borohydride
- the reduction in bulk or in a solvent or diluent is carried out.
- the following solvents e.g. Water, alcohols, such as methanol, ethanol and isopropanol, or ethers, such as diethyl ether, methyl tert-butyl ether, dioxane, tetrahydrofuran and ethylene glycol dimethyl ether, are suitable.
- the procedure is preferably solvent-free in an inorganic acid, especially in concentrated or dilute hydrochloric acid, or in a liquid organic acid such as acetic acid or propionic acid.
- the acid can also be diluted with an inert solvent, for example one of the abovementioned.
- the reduction with complex hydrides is preferably carried out in a solvent, for example an ether or an alcohol.
- the amount of acid is not critical. In order to reduce the starting compound as completely as possible, it is expedient to use at least an equivalent amount of acid.
- the reaction temperature is generally in the range from -30 ° C. to 200 ° C., preferably in the range from 0 ° C. to 80 ° C.
- the reaction mixture is usually diluted with water and the product by filtration, crystallization or extraction with a solvent which is largely immiscible with water, e.g. isolated with ethyl acetate, diethyl ether or methylene chloride. If desired, the product can then be cleaned as usual.
- Suitable catalysts for this are, for example, Raney nickel,
- the reaction solution can be worked up to the product in the customary manner.
- the hydrogenation can be carried out under normal hydrogen pressure or under elevated hydrogen pressure.
- amino compounds thus obtained can in turn be used with known electrophiles, e.g. with alkylsulfonic acid halides or with the corresponding anhydrides to give the sulfonamides, with alkyl halides to give the secondary and tertiary anilines.
- a nitrous acid ester such as tert.
- butyl nitrite and isopentyl nitrite under anhydrous reaction conditions for example in glacial acetic acid containing hydrogen chloride, in absolute alcohol, in dioxane or tetrahydrofuran, in acetonitrile or in acetone.
- a copper (I) salt such as copper (I) cyanide, chloride, -bromide and -iodide, or with an alkali metal salt solution.
- a copper (II) salt such as copper (II) sulfate can have an advantageous effect on the course of the reaction. In general, this reaction is carried out at 0 ° C to 100 ° C, preferably at the boiling point of the reaction mixture.
- Meerwein arylation is usually the reaction of the diazonium salts with alkenes or alkynes.
- the alkene or alkyne is preferably used in excess, up to about 3000 mol%, based on the amount of the diazonium salt.
- reaction temperatures are normally from -30 ° C. to 50 ° C.
- All reactants are preferably used in approximately stoichiometric amounts, but an excess of one or the other component, up to approximately 3000 mol%, can also be advantageous.
- Useful reducing agents are, for example, transition metals such as iron, zinc and tin (cf., for example, "The Chemistry of the Thiol Group", John Wiley, 1974, p. 216).
- Halosulfonation can be carried out without solvent in excess sulfonating reagent or in an inert solvent / diluent, e.g. in a halogenated hydrocarbon, an ether, an alkyl nitrile or a mineral acid.
- Chlorosulfonic acid is both the preferred reagent and a suitable solvent.
- the reaction temperature is usually between 0 ° C and the boiling point of the reaction mixture.
- the reaction mixture is mixed with water, for example, after which the product can be isolated as usual.
- the latter can be obtained particularly effectively by the above-described couplings of pyridines II with purple boronic acids.
- C ⁇ _ 4 -Alkyl ⁇ produce.
- the phosphonium salts, phosphonates or phosphorylides required as reactants are known or can be prepared in a manner known per se ⁇ cf. see, for example, Houben-Weyl, Methods of Organic Chemistry, Vol. El, pp. 636ff. and Vol. E2, pp. 345ff., Georg Thieme Verlag Stuttgart 1982; Chem. Ber. 95, 1962, 3993 ⁇ .
- the required amino (thio) phenols IA can be prepared using the methods described under II.
- Table 6 shows examples of preferred aminophenols of the general formula IAr, in which R 1 , R 2 and R 3 have the abovementioned and in particular the meanings given in Table 6: Table 6:
- the compounds IB obtainable in this way, in which R i7 is hydrogen, can be prepared by known processes, as described, for example, in WO 95/02590, WO 98/07700 and the prior art cited therein in Sicker et al. Tetrahedron 52, 1996, 10389 or in DE-A 19508590 are described, with an alkylating agent R 27 '-! implement.
- L stands for a nucleophilically displaceable leaving group such as halogen, aryl sulfonate, triflate or sulfate or for an isocyanate group.
- L7 R ' represents, for example C ⁇ -C 6 -alkyl, C 6 haloalkyl, C 2 -C 6 alkenyl, C -C 6 haloalkenyl, C 2 -C 6 alkynyl, C ⁇ -C 4 alkylsulfonyl, C ⁇ -C 4 -haloalkylsulfonyl, C ⁇ -C 4 -alkylcarbonyl, C ⁇ -C 4 -haloalkylcarbonyl, C ⁇ -C 4 -alkoxycarbonyl, C ⁇ -C -alkoxy-C ⁇ -C -alkyl, C ⁇ -C 4 -alkoxycarbonyl-C ⁇ -C 4- alkyl, mono- and
- the compounds I in which the radicals XR 5 and R 4 are a chain of the formula -0-C (R 15 , R i6 ) -CO-NR i7 - or -SC (R i5 , R i6 ) -CO-NRi 7 - Form, can also be obtained by reductive cyclization of nitrophenoxycarboxylic acid derivatives of the general formula IAs or corresponding nitrothiophenoxycarboxylic acid derivatives.
- R 1 , R 2 , R 3 , R i5 , R i6 and R 17 ' have the abovementioned meanings.
- R X9 stands for alkyl with preferably 1 to 4 carbon atoms, in particular methyl or ethyl.
- the variable 1 stands for 0 or 1.
- step i) stands for the reductive cyclization and step ii) for the above-described reaction with the electrophile L-RI 7 '.
- Table 7 shows, by way of example, preferred nitrophenoxyalkane carboxylic acid derivatives of the general formula IAs, in which R X5 and R 16 are hydrogen and R 1 , R 2 , R 3 and R 19 have the meanings indicated above and in particular those mentioned in Table 7, and Of particular importance as intermediates for the preparation of compound B are: Table 7;
- Preferred halogen is chlorine or bromine; sodium thiocyanate is preferred among the alkali / alkaline earth metal thiocyanates.
- an inert solvent / diluent e.g. in a hydrocarbon such as toluene and hexane, in a halogenated hydrocarbon such as dichloromethane, in an ether such as tetrahydrofuran, in an alcohol such as ethanol, in a carboxylic acid such as acetic acid, or in an aprotic solvent such as dimethylformamide, acetonitrile and dimethyl sulfoxide.
- the reaction temperature is usually above that
- Melting temperature and can be up to the boiling point of the solvent. It is preferably in the range from 0 to 150 ° C.
- Chain -SC (R 8 ) N- with nitrogen bound via the ⁇ -C atom.
- M ® stands for an alkali metal ion or 1/2 alkaline earth metal ion.
- the information given above applies to carrying out the diazotization.
- an inert solvent for example an ether such as tetrahydrofuran and dioxane, an aprotic solvent such as dimethylformamide and acetonitrile, a coal Hydrogen such as toluene and hexane, a halogenated hydrocarbon such as dichloromethane, or solvent-free
- the reaction is preferably carried out at elevated temperature, for example at the boiling point of the reaction mixture.
- Oxidizing agents customary for converting the pyridines I into their N-oxides are e.g. Peracetic acid, trifluoroperacetic acid, perbenzoic acid, meta-chloroperbenzoic acid, magnesium monoperphthalate, 1,2-dicarboxylic acid derivatives in general, sodium perborate, oxones (contains peroxodisulfate), per tungstic acid, hydrogen peroxide, methyltrioxorhenium. These reagents can be used alone or in a mixture.
- the oxidation is preferably carried out in a solvent or diluent.
- Suitable solvents are water, sulfuric acid, carboxylic acids such as e.g. Acetic acid, and halogenated solvents such as e.g. Dichloromethane and chloroform or mixtures of the above Solvent.
- the reaction is normally carried out in the temperature range from 0 ° C. to the boiling point of the solvent, preferably up to 150 ° C.
- the oxidizing agents are normally used in at least an equimolar amount, often in large excess, for example up to 5 equivalents, based on the pyridine I to be oxidized.
- Protective groups suitable for this purpose and the conditions suitable for introduction and cleavage can be found in Cocienski, "Protecting Groups", Thieme Verlag Stuttgart 1994. Examples of suitable protective groups include benzyloxycarbonyl and fluorenylmethoxycarbonyl.
- 2-fluoro-4-chloro-5-methoxy-phenylboronic acid 1.1 g (0.001 mol) tetrakistriphenylphosphine palladium and 12.0 g sodium hydrogen carbonate in 150 mL THF and 150 mL water for 20 hours under reflux. After cooling, the phases were separated, the aqueous phase was extracted twice with 100 ml each of methyl tert-butyl ether, the combined organic phases were dried over sodium sulfate and concentrated in vacuo.
- reaction mixture was then added dropwise to a solution of 17.2 g (0.1 mol) of potassium iodide in 30 ml of water.
- the mixture was first allowed to warm to room temperature and then heated to 60 to 70 ° C. for 30 minutes. After cooling, the mixture was extracted three times with 200 mL methylene chloride, 45 the combined organic phases were dried over sodium sulfate. fat and constricted.
- 27.6 g of 2-chloro-4-fluoro-5-iodobenzoic acid isopropyl ester with a melting point of 38 to 43 ° C. were obtained.
- Example 7 2- (2-fluoro-4-chloro-5- (2-chloro-2-carbomethoxyethyl) phenyl) -3-chloro-4-methyl-5-trifluoromethylpyridine (IAa .199)
- Example 8 2- (2-fluoro-4-chloro-5-hydroxycarbonyl-phenyl-1-yl) -3-chloro-4-methyl-5-trifluoromethylpyridine (IAa.124)
- Example 9 2- [2-fluoro-4-chloro-5- (2-methoxycarbonylpropionyl) carbonyl-phenyl-1-yl] -3-chloro-4-methyl-5-trifluoromethyl-pyridine (compound IAa.143 as R enantiomer and as S enantiomer)
- Example 1.5 The title compound was prepared analogously to the procedure described in Example 1.5. Starting from 1.8 g (7.7 mol) of pyridine from Example 1.4 and 1.5 g (7.7 mmol) of cyanoboronic acid from Example 11.1, 1.0 g of the title compound with mp. 108 to 109 ° C. was obtained.
- Example 12 2- [2-fluoro-4- (methoxycarbonyl) methoxy-5-nitrophenyl] -3-chloro-4-methyl-5-trifluoromethylpyridine (comp. Las.5)
- Example 13 7- (3-chloro-4-methyl-5-trifluoromethyl-pyridine-2-yl) -6-fluoro-2H-l, 4-benzoxazin-3-one (IBa. 1)
- Example 14 7- (3-chloro-4-methyl-5-trifluoromethylpyridin-2-yl) -6-fluoro-4-propargyl-2H-l, 4-benzoxazin-3-one (IBa .24)
- Example 16 4-Chloro-7- [3-chloro-4-methyl-5- (trifluoromethyl) -2-pyridinyl] -2-ethyl-6-fluoro-1,3-benzoxazole (ICe.3)
- Example 17 2- (2-fluoro-4-chloro-5-methoxy-phenyl-l-yl) -3-chloro-4-amino-5-trifluormethylpyridine (IAi .3)
- the compounds I and their agriculturally useful salts are suitable - both as isomer mixtures and in the form of the pure isomers - as herbicides.
- the herbicidal compositions containing I control vegetation very well on non-cultivated areas, particularly when high amounts are applied. In crops such as wheat, rice, corn, soybeans and cotton, they act against weeds and grass weeds without significantly damaging the crop plants. This effect occurs especially at low application rates.
- the compounds I or compositions containing them can also be used in a further number of crop plants for eliminating undesired plants.
- the following crops are considered, for example:
- the compounds I can also be used in crops which are tolerant to the action of herbicides by breeding, including genetic engineering methods.
- 3-halo-2-phenylpyridines and their agriculturally useful salts are also suitable for the desiccation and / or defoliation of plants.
- desiccants they are particularly suitable for drying out the aerial parts of crops such as potatoes, rapeseed, sunflower and soybeans. This enables a fully mechanical harvesting of these important crops.
- the waste promoted by the use of compounds of the formula I according to the invention and their agriculturally useful salts is based on the formation of separating tissue between the fruit or leaf and shoot part of the plants.
- Cotton demonstration is of particular economic interest because it makes harvesting easier.
- the shortening of the time interval in which the individual plants mature leads to an increased quality of the harvested fiber material.
- the compounds I or the compositions comprising them can be sprayed, for example in the form of directly sprayable aqueous solutions, powders, suspensions, including high-strength aqueous, oily or other suspensions or dispersions, emulsions, oil dispersions, pastes, dusts, sprays or granules. Misting, dusting, scattering, watering or treating the seed or mixing with the seed can be used.
- the application forms depend on the purposes; in any case, they should ensure the finest possible distribution of the active compounds according to the invention.
- the herbicidal compositions comprise a herbicidally effective amount of at least one compound of the formula I or an agriculturally useful salt of I and auxiliaries customary for the formulation of crop protection agents.
- Mineral oil fractions from medium to high boiling point such as kerosene or diesel oil, also coal tar oils and oils from vegetable or animal origin, aliphatic, cyclic and aromatic hydrocarbons, e.g. paraffin, tetrahydronaphthalene, alkylated naphthalenes or their derivatives, alky- gelled benzenes or their derivatives, alcohols such as methanol, ethanol, propanol, butanol, cyclohexanol, ketones such as cyclohexanone or strongly polar solvents, e.g. B. amines such as N-methylpyrrolidone or water.
- aliphatic, cyclic and aromatic hydrocarbons e.g. paraffin, tetrahydronaphthalene, alkylated naphthalenes or their derivatives, alky- gelled benzenes or their derivatives, alcohols such as methanol, ethanol, propanol, butanol
- Aqueous use forms can be prepared from emulsion concentrates, suspensions, pastes, wettable powders or water-dispersible granules by adding water.
- the 3-halogeno-2-phenylipyridines as such or dissolved in an oil or solvent can be homogenized in water by means of wetting agents, adhesives, dispersants or emulsifiers.
- concentrates consisting of an active substance, wetting agent, adhesive, dispersant or emulsifier and possibly solvent or oil, which are suitable for dilution with water.
- alkali, alkaline earth, ammonium salts of aromatic sulfonic acids e.g. Lignin, phenol, naphthalene and dibutylnaphthalenesulfonic acid, as well as of fatty acids, alkyl and alkylarylsulfonates, alkyl, lauryl ether and fatty alcohol sulfates, as well as salts of sulfated hexa-, hepta- and octadecanols as well as of fatty alcohol glycol ethers, condensation products of sulfonated naphthalene and its Derivatives with formaldehyde, condensation products of naphthalene or naphthalenesulfonic acids with phenol and formaldehyde, polyoxyethylene octylphenol ether, ethoxylated isooctyl, octyl or nonylphenol, alkylphenyl, tributyl
- Powders, materials for broadcasting and dusts can be prepared by mixing or grinding the active substances together with a solid carrier.
- Granules for example coated granules, impregnated granules and homogeneous granules, can be prepared by binding the active ingredients to solid carriers.
- Solid carriers are mineral soils such as silica, silica gels, silicates, talc, kaolin, limestone, lime, chalk, bolus, loess, clay, dolomite, diatomaceous earth, calcium and magnesium sulfate, magnesium oxide, ground plastics, fertilizers such as ammonium sulfate, ammonium phosphate, Ammonium nitrate, ureas and vegetable products such as flour, tree bark, wood and nutshell flour, cellulose powder or other solid carriers.
- the concentrations of the active ingredients I in the ready-to-use preparations can be varied over a wide range.
- the formulations generally contain 0.001 to 98% by weight, preferably 0.01 to 95% by weight, of at least one active ingredient.
- the active ingredients are used in a purity of 90% to 100%, preferably 95% to 100% (according to the NMR spectrum).
- the compounds I according to the invention can be formulated, for example, as follows:
- I 20 parts by weight of compound no. IAa.3 are dissolved in a mixture consisting of 80 parts by weight of alkylated benzene, 10 parts by weight of the adduct of 8 to 10 moles of ethylene oxide and 1 mole of oleic acid-N-monoethanolamide, 5 parts by weight of calcium salt of dodecylbenzenesulfonic acid and 5 parts by weight of the adduct of 40 moles of ethylene oxide with 1 mole of castor oil.
- aqueous dispersion is obtained which contains 0.02% by weight of the active ingredient.
- V 3 parts by weight of active ingredient no. IAi.10 are mixed with 97 parts by weight of finely divided kaolin. In this way, a dust is obtained which contains 3% by weight of the active ingredient.
- VI 20 parts by weight of active ingredient No. IBa.24 are intimately mixed with 2 parts by weight of calcium salt of dodecylbenzenesulfonic acid, 8 parts by weight of fatty alcohol polyglycol ether, 2 parts by weight of sodium salt of a phenol-urea-formaldehyde condensate and 68 parts by weight of a paraffinic mineral oil. A stable oily dispersion is obtained.
- the herbicidal compositions or the active compounds can be applied pre-emergence, post-emergence or together with the seeds of a crop. It is also possible to apply the herbicidal compositions or active ingredients by spreading seeds of a crop plant which have been pretreated with the herbicidal compositions or active ingredients. If the active ingredients are less compatible with certain crop plants, application techniques can be used in which the herbicidal compositions are sprayed with the aid of sprayers in such a way that the leaves of the sensitive crop plants are not struck wherever possible, while the active ingredients are applied to the leaves of undesirable plants growing below them or the uncovered floor area (post-directed, lay-by).
- the application rates of active ingredient are 0.001 to 3.0, preferably 0.01 to 1.0 kg / ha of active substance (a.s.), depending on the control target, the season, the target plants and the growth stage.
- the 3-halo-2-phenylipyridines can be mixed with numerous representatives of other herbicidal or growth-regulating active compound groups and applied together.
- Plastic pots with loamy sand with about 3.0% humus as substrate served as culture vessels.
- the seeds of the test plants were sown separately according to species.
- the active ingredients suspended or emulsified in water were applied directly after sowing using finely distributing nozzles.
- the tubes were lightly sprinkled to promote germination and growth, and then covered with clear plastic hoods until the plants had grown. This cover causes the test plant, unless this was affected by the active ingredients.
- test plants were first grown to a height of 3 to 15 cm, depending on the growth habit, and then treated with the active ingredients suspended or emulsified in water.
- the test plants were either sown directly and grown in the same containers, or they were first grown separately as seedlings and transplanted into the test containers a few days before the treatment.
- the application rate for post-emergence treatment was 31.3, 15.6, 7.8 and / or 3.9 g a. S./ha.
- the plants were kept at temperatures of 10 - 25 ° C or 20 - 35 ° C depending on the species.
- the trial period lasted 2 to 4 weeks. During this time, the plants were cared for and their response to each treatment was evaluated.
- Evaluation was carried out on a scale from 0 to 100. 100 means no emergence of the plants or complete destruction of at least the aerial parts and 0 means no damage or normal growth.
- the plants used in the greenhouse experiments are composed of the following types:
- Table 8 The herbicidal activity found in the post-emergence process is summarized in Tables 8 and 9. Table 8:
- Compound No. IAa.10 showed application rates of 7.8 and 3 ⁇ 3.9 g a. S./ha in the post-emergence process a significantly better effect against the harmful plants ECHCG, SETFA and BIDPI than comparative example VB.
- Compound no. ICe.3 showed a significantly better activity against the harmful plants BRAPL, SETFA and BIDPI than comparative example VC at application rates of 7.8 and 3.9 35 g aS / ha in the post-emergence process.
- the young cotton plants were treated to runoff with aqueous preparations of the active ingredients (with the addition of 0.15% by weight of the fatty alcohol alkoxylate Plurafac® LF 700, based on the spray mixture).
- the amount of water applied was the equivalent of 1000 L / ha. After 13 days, the number of leaves dropped and the degree of defoliation in% were determined.
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Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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US10/416,462 US20040043903A1 (en) | 2000-11-22 | 2001-11-21 | 2-Aryl-5-trifluoromethylpyridines |
EP01995651A EP1335903A1 (de) | 2000-11-22 | 2001-11-21 | 2-aryl-5-trifluormethylpyridine |
AU2002226346A AU2002226346A1 (en) | 2000-11-22 | 2001-11-21 | 2-aryl-5-trifluoromethylpyridines |
JP2002544410A JP2004514670A (ja) | 2000-11-22 | 2001-11-21 | 2−アリール−5−トリフルオロメチルピリジン類 |
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DE10057854.3 | 2000-11-22 | ||
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US (1) | US20040043903A1 (de) |
EP (1) | EP1335903A1 (de) |
JP (1) | JP2004514670A (de) |
AU (1) | AU2002226346A1 (de) |
WO (1) | WO2002042275A1 (de) |
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WO2009153285A2 (en) | 2008-06-18 | 2009-12-23 | Basf Se | Sulfonamide compounds |
WO2012041789A1 (en) | 2010-10-01 | 2012-04-05 | Basf Se | Herbicidal benzoxazinones |
WO2019101513A1 (en) | 2017-11-23 | 2019-05-31 | Basf Se | Herbicidal pyridylethers |
WO2019101551A1 (en) | 2017-11-23 | 2019-05-31 | Basf Se | Herbicidal phenylethers |
US11524157B2 (en) | 2013-05-06 | 2022-12-13 | Medtronic, Inc. | Substernal leadless electrical stimulation system |
WO2023169984A1 (en) | 2022-03-11 | 2023-09-14 | Syngenta Crop Protection Ag | Herbicidal compounds |
US11827610B2 (en) | 2021-09-15 | 2023-11-28 | Enko Chem, Inc. | Protoporphyrinogen oxidase inhibitors |
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GB2415193A (en) * | 2004-06-19 | 2005-12-21 | F2 Chemicals Ltd | Fluorinated arylboronic acids |
KR101379625B1 (ko) * | 2006-01-13 | 2014-03-31 | 다우 아그로사이언시즈 엘엘씨 | 6-(다-치환 아릴)-4-아미노피콜리네이트 및 그의제초제로서의 용도 |
KR20080105159A (ko) * | 2006-03-15 | 2008-12-03 | 바스프 에스이 | 퀴놀린 유도체 및 이의 살충제로서의 용도 |
CL2008000985A1 (es) | 2007-04-06 | 2008-10-10 | Neurocrine Biosciences Inc | Compuesto derivado de heterociclos de nitrogeno, agonistas del receptor gnrh; composicion farmaceutica que comprende a dicho compuesto; y uso para tratar una afeccion relacionada con las hormonas sexuales, endometriosis, dismenorrea, enfermedad de ov |
US20140187777A1 (en) * | 2012-03-26 | 2014-07-03 | Dow Agrosciences Llc | Materials and methods for the base-assisted synthesis of substituted heteroaromatic compounds |
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- 2001-11-21 JP JP2002544410A patent/JP2004514670A/ja not_active Withdrawn
- 2001-11-21 WO PCT/EP2001/013534 patent/WO2002042275A1/de not_active Application Discontinuation
- 2001-11-21 AU AU2002226346A patent/AU2002226346A1/en not_active Abandoned
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US20040043903A1 (en) | 2004-03-04 |
AU2002226346A1 (en) | 2002-06-03 |
EP1335903A1 (de) | 2003-08-20 |
JP2004514670A (ja) | 2004-05-20 |
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