Combinations of phenylsulphonyl urea herbicides and safeners

Combinations of phenylsulphonyl urea herbicides and safeners

  • CN 1,162,905 A
  • Filed: 10/30/1995
  • Published: 10/22/1997
  • Est. Priority Date: 10/30/1995
  • Status: Abandoned Application
First Claim
Patent Images

1. a weed killer herbicide/safener combination comprisesA) at least a phenyl-sulfonylurea formula (A), that replace and the herbicidal active compounds of its salt of being selected from Wherein W is O or S, and A is a formula CR '"'"' R " group, wherein R '"'"' and R " be H or (C independently of one another 1-C 4) alkyl, Q is O, S or NR 6Group, m are 0 or 1, and n is 0,1,2 or 3, R 1Be H, alkyl or heterocyclic radical, each of two kinds of groups mentioning later is unsubstituted or substituted, R 2Be H, OH or aliphatic hydrocarbon or hydrocarbon-oxygen groups, each of two kinds of groups mentioning later is unsubstituted or substituted, R 3Be acyl group, R 4Be halogen, CN, NO 2, (C 1-C 4) alkyl, (C 1-C 4)-alkoxyl, [(C 1-C 4) alkyl] carbonyl, [(C 1-C 4)-alkoxyl] carbonyl, each of four kinds of groups mentioning later is unsubstituted or substituted, R 5Be H, (C 1-C 5) alkyl or (C 1-C 4) alkoxyl, R 6Be H, (C 1-C 4) alkyl, (C 3-C 4) alkenyl, (C 3-C 4) alkynyl, each of three kinds of groups mentioning later is for unsubstituted or by one or more halogen, (C of being selected from 1-C 4) alkyl, (C 1-C 4) alkoxyl and (C 1-C 4) group of alkylthio group replaces, or be (C 1-C 4) alkoxyl or OH, X 1, X 2Be H independently of one another, halogen, (C 1-C 6) alkyl, (C 2-C 6) alkenyl, (C 2-C 6) alkynyl, (C 3-C 7) cycloalkyl, (C 1-C 6) alkoxyl, (C 2-C 6) alkenyloxy, (C 2-C 6) alkynyloxy group, (C 1-C 6) alkylthio group, single-or two [(C 1-C 4) alkyl] amino, each of ten kinds of groups mentioning later is for unsubstituted or by one or more halogens that are selected from, (C 1-C 4) alkoxyl, (C 1-C 4) halogenated alkoxy and (C 1-C 4) group of alkylthio group replaces and Z is CH, N or formula Group, wherein R oBe halogen, cyano group, (C 1-C 3) alkyl, (C 1-C 3) haloalkyl, (C 1-C 3) alkoxyl or (C 1-C 3) halogenated alkoxy, and B) at least a formula (B1) and (B2) safener of compound of being selected from Wherein X '"'"' is hydrogen, halogen, (C 1-C 4) alkyl, (C 1-C 4) alkoxyl, nitro or (C 1-C 4) haloalkyl, Z '"'"' is OR 7, SR 7Or NR 7R 8, or be saturated or unsaturated 3 to 7 yuan of heterocycles, this heterocycle has at least one nitrogen-atoms and 3 hetero atoms at the most, by nitrogen-atoms with (B1) or the carbonyl (B2) link to each other, it is unsubstituted or is selected from (C 1-C 4) alkyl, (C 1-C 4) alkoxyl or the optional phenyl groups replacement that replaces, R *Be (C 1Or C 2) the alkane 2 basis chain, it is not for being substituted or by one or two (C 1-C 4) alkyl or quilt [(C 1-C 3) alkoxyl] carbonyl substituted, R 7Be the unsubstituted or substituted aliphatic hydrocarbyl of hydrogen, R 8Be hydrogen, (C 1-C 6) alkyl, (C 1-C 6) alkoxyl or the optional phenyl that replaces, n '"'"' is 1 to 5 integer, and W '"'"' is a divalent heterocyclic group, and it is selected from 5 yuan of heterocycles of the unsaturated or heteroaromatic of part, and 1 to 3 ring hetero atom with N and O class wherein contains at least one nitrogen-atoms and oxygen atom at the most in the ring.

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