(WO200322810) 1. Claims: 1. Compounds of the formula (I) or salts thereof wherein X1represents a divalent moiety selected from the group of O, S (O)n, N-H, N-R2; X2means a straight-chain or branched by w radicals from the group of Halogen, cyano and Nitro and by v radicals R2substituted (Cι-C6) - alkylene -, (C2CβJ-alkenylene - or - (C2- C6) - alkynylene; X3means oxygen or sulfur; R1a, R1b, R1cmeant independently of one another hydrogen, Mercapto, Nitro, halogen, cyano, Thiocyanato, (crc6) alkyl - - CO - O, (C C6) - alkyl - S (O) n - O, (C C6) - alkyl - S (O)n, di - (C - C ι6) - alkyl - NH - so2, (crc6) - alkyl - so2- NH, (C C6) - NH - - CO alkyl, (crc6) - alkyl - so2- [(crc6) - alkyl] amino, (C - C ι6) alkyl - - CO - [(C - C ι6) - alkyl] amino, 1, 2.4 - Triazol - 1 - yl, (D - - O - - alkyl CeJ CHz, (C C6) - alkyl - S (O)n- ch2, (crc6) alkyl - NH - - ch2, 1, 2.4 - Triazol - 1 - yl - CH2, by v radicals from the group consisting of cyano respectively, Nitro and halo-substituted (C - C ι6) - alkyl - (D)P, (C2- C6) - alkenyl - (D)P, (C2- C6) - alkynyl - (D)P, (C3- C9) - cycloalkyl - (D)p, (C3- C9) - - Cyloalkenyl(D)p, (C1- C6) - alkyl - cycloalkyl - (D)p, (C C6) - alkyl - - cycloalkenyl (D)p; D means oxygen or sulfur; R2, R3independently of one another are hydrogen, (C - C ι6) - alkyl, (C2- β C) - alkenyl, (C2- C6) - alkynyl, (C3- C9) - cyclo -alkyl, (C3- C9) - CycloaIkenyl, (C1- C6) - alkyl - (C3- C9) - cycloalkyl, (C1- C6) - - -alkyl (C3- C9) - cycloalkenyl, (C2- C6) - alkenyl - (C3- C9) - cycloalkyl, (C2- C6) - alkenyl - (C3- C9) - cycloalkenyl, (C2- C6) - alkynyl - (C3- C9) - cycloalkyl, (C2- C6) - alkynyl - (C3- C9) - cycloalkenyl, straight-chain or branched [O - C (R6)2] w - [O - C (R6) -2]x- R6, (D - alkyl - aryl - CeJ, (C2- C6) - alkenyl - aryl, (C2- C6) - alkynyl - aryl, straight-chain or branched [O - C (R6)2]w- [O - C (R6)2]x- aryl, wherein the above-mentioned carbon-containing residues are substituted by v radicals from the group consisting of cyano, Nitro and halogen, by v radicals from the group consisting of cyano, Nitro, halogen, (C C6) - alkyl - (D) - p and halo (- C C ι6) - alkyl - (D)psubstituted aryl, Heterocyclyl or heteroaryl, or R2and R3together with the nitrogen atom to form a 5 - or 6 - membered to binding, saturated, partially or fully unsaturated ring comprising m hetero atoms selected from the group consisting of oxygen and nitrogen, optionally benzo-fused to the phenyl ring is, wherein the 5 - or 6 - membered ring by v radicals from the group consisting of cyano, Nitro, halogen, (crc6) - alkyl - (D)pand halo - (crc6) - alkyl - (D)pfuzed phenyl ring is substituted by v radicals from the group consisting of cyano, Nitro and halogen; R4means Or7, (C1- C4) - Alkylthio, halo - (C1- C4) - Alkylthio, (C2- C4) - Alkenylthio, halo - (C2- C4) - Alkenylthio, (C2- C) - alkynylthio, halo - (C2- C4) - alkynylthio, (C1- C4) - AIkylsulfinyI, HaIogen- (crc4) - AIkylsulfinyI, (C2- C4) - AIkenylsulfinyl, halogen - (C2- C) - alkenylsulfinyl, (C2- C4) - alkynylsulfinyl, halo - (C2- C4) alkynyl - suif ynyl, (Cι-C4) - sulfonyl AlkyI, halogen - (Cι-C) - alkylsulfonyl, (C2- C4) - Alkenylsulfonyl, halo - (C2- C4) - Alkenylsulfonyl, (C2- C4) - alkynylsulfonyl, halogen - (C2- C4) - alkynylsulfonyl, halogen, cyano, cyanato, Thiocyanato Or Phenylthio; R5is hydrogen, tetrahydropyran 3-yl, tetrahydropyran-4-yl, Tetrahydrothiopyran-3-yl, (C C4) - alkyl, (C C8) - cycloalkyl, (C1- C4) - alkoxy, (C C4) - alkoxy - (Cι-C4) - -alkyl, (Cι-C4) - Alkoxycarbonyl, (C C4) - Alkylthio, phenyl, where the eight last-mentioned radicals from the group of halogen groups by v, (crc) - Alkylthio and (C C) - alkoxy substituted, or two C atom R bonded residues on a common5form a chain from the group consisting of och2ch2O, och2ch2ch2O, sch2ch2S and sch2ch2ch2S, is substituted by w methylene groups being, or two adjacent C-atoms bonded radicals R directly5form with the C atoms carrying them by w radicals from the group consisting of halogen and a, (C C4) - -alkyl, (crc4) - Alkylthio and (ct-C4) - alkoxy-substituted, 3 - bis 6-membered ring; R6is hydrogen, halogen, cyano or Nitro, (crc4) - alkyl, halo - (C C4) - alkyl; R7is hydrogen, (C1- C4) - alkyl, halo - (C C4) - alkyl, (C1- C4) - alkoxy - (C C4) - alkyl, Formyl, (C C4) - carbonyl -alkyl, (C1- C) - Alkoxycarbonyl, (C C4) - Alkylaminocarbonyl, Di - (Cι-C) - Alkylaminocarbonyl, (Cι-C4) - Alkylsulfonyl, halo - (Cι-C) - Alkylsulfonyl, phenyl, Benzoyl or Phenylsulfonyl, where the last three groups mentioned by v radicals from the group of (C C4) - alkyl, halo - (C - C ι4) - alkyl, (crc4) - alkoxy, halo - (Cι-C4) - alkoxy, halogen, cyano and Nitro substituted; Represents Y a divalent unit from the group consisting of O, S, N-H, N - (C-ι-C6) - AlkyI, CHR5and C (R5)2; Z means a direct bond or a divalent unit from the group consisting of O, S, so, so2, N-H, N-alkyl, chr6or C (R6)2; m and n each represents an integer of 0, 1 or 2; p means 0 or 1 independently from each other; v represents 0, 1, 2 or 3; w and x each independently 0.1, 2, 3 or 4, wherein w and x shall not simultaneously be zero. 2. Compounds according to claim 1, wherein R2, R3independently of one another are hydrogen, (Cι-C6) - alkyl, (C2- C6) - Alkenyl, (C2- C6) - alkynyl, (C3- C9) - cycloalkyl, (C3- C9) - cycloalkenyl, (C1- C6) - alkyl - (C3- C9) - cycloalkyl, (Cι-C6) - alkyl - (C3- C9) - cycloalkenyl, (C2- C6) - alkenyl - (C3- C9) - Cycloalkyl, (C2- C6) - alkenyl - (C3- C9) - cycloalkenyl, (C2- C6) - alkynyl - (C3- C9) - cycloalkyl, (C2- C6) - alkynyl - (C3- C9) - cycloalkenyl, straight-chain or branched [O-C(R6)2] w - [O-C(R6) -2]x- R6, and wherein the last 12 mentioned radicals from the group consisting of cyano by v radicals, Nitro and halogen, the radicals of the group consisting of cyano by v, Nitro, halogen, (Cι-C6) - alkyl - (D)Pand Halogen - (Cι-C6) - alkyl - (D)psubstituted aryl, or R2and R3together with the nitrogen atom to form a 5 - or 6 - membered to binding, saturated, partially or fully unsaturated ring comprising m Heteroatoms from the group comprising oxygen and nitrogen, and by v radicals from the group consisting of cyano, Nitro, halogen, (Cι-C6) - alkyl - (D)Pand halo - (Cι-C6) - alkyl - (D)pis substituted; R7is hydrogen, (crc4) - Alkylsulfonyl, halo - (crc4) - Alkylsulfonyl, phenyl, Benzoyl or Phenylsulfonyl, where the last three groups mentioned by v radicals from the group of (C C2) - alkyl, halo - (Cι-C2) - alkyl, (C-ι-C2) - alkoxy, halo - (crc2) - alkoxy, halogen, cyano and Nitro substituted; Represents Y a divalent moiety selected from the group of O, N-H, N - (Cι-C6) - alkyl, CHR5and C (R5)2, and Represents Z a divalent unit from the group consisting of O, S, so2, (Cι-C6) - alkyl, CHR6or C (R6)2. 3. Compounds according to claim 1 or 2, wherein X3means oxygen; R1cis hydrogen, and R6is hydrogen, (C C4) - alkyl or halogen - (d-C4) - alkyl. 4. Compounds according to any one of claims I to 3, wherein X1means oxygen; R1aand R1beach represent bromo, chloro, fluoro, methyl, Methylthio, methoxy, Methylsulfonyl, Ethylsulfonyl or trifluoromethyl, and R2, R3independently of one another are hydrogen, (- Cι-C6) - alkyl, (D-Cβ) - alkenyl, (C2- C6) - alkynyl, (C3- C9) - cycloalkyl, (C1- C6) - alkyl - (C3- C9) - cycloalkyl, straight-chain or branched [O-C(R6)2]w- [O-C(R6) -2]x- R6, and wherein the last 6 mentioned radicals from the group consisting of cyano by v radicals, Nitro and halogen, the radicals of the group consisting of cyano by v, Nitro, halogen, (Cι-ce) - alkyl - (D)pand halo - (Cι-C6) - alkyl - (D)psubstituted aryl, or R2and R3together with the nitrogen atom to form a 5 - or 6 - membered to binding, saturated, partially or fully unsaturated ring comprising m hetero atoms selected from the group consisting of oxygen and nitrogen, and by v radicals from the group consisting of cyano, Nitro, halogen, (Cι-C6) - alkyl - (D)Pand halo - (crc6) - alkyl - (D)pis substituted. 5. Compounds according to any one of claims 1 to 4, wherein R4means Or7, (C C4) - Alkylthio, (C2- C4) - Alkenylthio, (Cι-C4) - Alkylsulfonyl, Halogen, Cyano, Cyanato, Thiocyanato or Phenylthio and R5is hydrogen, (d-C4) - alkyl, (d-C8) - cycloalkyl, (Cι-C4) - alkoxy, (ci - C) - Alkylthio, phenyl, or two adjacent C-atoms bonded radicals R directly5form with the C atoms carrying them a substituted 3 - to 6-membered ring. 6. Compounds according to any one of claims 1 to 5, wherein the Substituent R1a2 position and the Substituent R in1b4-position of the phenyl ring is in. 7. Compounds according to any one of claims 1 to 6, wherein R4means Or7; D means oxygen; And Y Z represent the group CH2, and v and w each independently 0, 1 or 2. 8. Compounds according to any one of claims 1 to 7, wherein said compounds are not as a salt. 9. Herbicidal compositions, characterized by a herbicidally effective content of at least one compound of the general formula (I) according to any one of claims 1 to 8. 10. Herbicidal compositions according to claim 9 in a mixture with formulation auxiliaries. 11. Method for controlling undesirable plants, characterized in, that an effective amount of at least one compound of the general formula (I) according to any one of claims 1 to 8 or of a herbicidal composition according to claim 9 or 10 to the plants or to the locus of the undesired plant growth to be applied. 12. Use of compounds of the general formula (I) according to any one of claims 1 to 8 or of herbicidal compositions according to claim 9 or 10 for controlling unwanted plants. 13. Use according to claim 12, characterized in, that the compounds of the general formula (I) are used for controlling unwanted plants in crops of useful plants. 14. Use according to claim 13, characterized in, that the useful plants are transgenic crop plants are.
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