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    • 22. 发明授权
    • Herbicidal 5-chlorodifluoromethyl-1,3,4-thiadiazol-2-yl-oxyacetanilides
    • 除草剂5-氯二氟甲基-1,3,4-噻二唑-2-基 - 氧乙酰苯胺
    • US06602827B1
    • 2003-08-05
    • US10048088
    • 2002-01-24
    • Hans-Jochem RiebelHeinz FörsterMark Wilhelm DrewesPeter DahmenDieter FeuchtRolf Pontzen
    • Hans-Jochem RiebelHeinz FörsterMark Wilhelm DrewesPeter DahmenDieter FeuchtRolf Pontzen
    • A01N4382
    • C07D285/13A01N43/82
    • The invention relates to novel 5-chlorodifluoromethyl-1,3,4-thiadiazol-2-yl-oxyacetanilides of the general formula (I) in which n represents the number 0, 1, 2 or 3, R represents straight-chain or branched alkyl having 1 to 4 carbon atoms, and X represents nitro, cyano, halogen or represents in each case optionally cyano-, halogen- or C1-C4-alkoxy-substituted alkyl, alkoxy, alkylthio, alkylsulphinyl or alkylsulphonyl having in each case 1 to 4 carbon atoms, except for the compounds N-methyl-5-chlorodifluoromethyl-1,3,4-thiadiazol-2-yl-oxyacetanilide, N-ethyl-5-chlorodifluoromethyl-1,3,4-thiadiazol-2-yl-oxyacetanilide, 4-chloro-N-methyl-(5-chlorodifluoromethyl-1,3,4-thiadiazol-2-yl)-oxyacetanilide and 3-trifluoromethyl-N-methyl-(5-chlorodifluoromethyl-1,3,4-thiadiazol-2-yl)-oxyacetanilide, N-i-propyl-5-chlorodifluoromethyl-1,3,4-thiadiazol-2-yl-oxyacetanilide, and 4-fluoro-N-methyl-(5-chlorodifluoromethyl-1,3,4-thiadiazol-2-yl)-oxyacetanilide and 4-fluoro-N-ethyl-(5-chlorodifluoromethyl-1,3,4-thiadiazol-2-yl)-oxyacetanilide, and to a process for their preparation and to their use as herbicides.
    • 本发明涉及通式(I)的新的5-氯二氟甲基-1,3,4-噻二唑-2-基 - 氧乙酰苯胺,其中n代表数0,1,2或3,R代表直链或支链烷基 具有1至4个碳原子,X表示硝基,氰基,卤素或在每种情况下表示任选氰基,卤素或C 1 -C 4 - 烷氧基取代的烷基,烷氧基,烷硫基,烷基亚磺酰基或烷基磺酰基,其在每种情况下为1至4个碳 原子,除了N-甲基-5-氯二氟甲基-1,3,4-噻二唑-2-基 - 氧乙酰替苯胺,N-乙基-5-氯二氟甲基-1,3,4-噻二唑-2-基 - 氧乙酰替苯胺, 4-氯-N-甲基 - (5-氯二氟甲基-1,3,4-噻二唑-2-基) - 氧基乙酰替苯胺和3-三氟甲基-N-甲基 - (5-氯二氟甲基-1,3,4-噻二唑-2 - 基) - 氧乙酰替苯胺,N-丙基-5-氯二氟甲基-1,3,4-噻二唑-2-基 - 氧乙酰替苯胺和4-氟-N-甲基 - (5-氯二氟甲基-1,3,4-噻二唑-2-基) 吡啶-2-基) - 氧乙酰替苯胺和4-氟-N-乙基 - (5-氯二氟甲基-1,3, 4-噻二唑-2-基) - 氧基乙酰替苯胺,以及其制备方法及其作为除草剂的用途。