Substituted N-(Tetrazol-5-yl)- and N-(Triazol-5-yl)arylcarboxamide Compounds and Their Use as Herbicides

N-(tetrazol-5-yl)- and N-(triazol-5-yl)arylcarboxamides of formula I,

• wherein
• B is N or CH;
• R is selected from the group consisting of hydrogen, C1-C6-alkyl, C3-C7-cycloalkyl, C3-C7-cycloalkyl-C1-C4-alkyl, wherein the C3-C7-cycloalkyl groups in the two aforementioned radicals are unsubstituted or partially or completely halogenated, C1-C6-haloalkyl, C2-C6-alkenyl, C2-C6-haloalkenyl, C2-C6-alkynyl, C2-C6-haloalkynyl, C1-C4-alkoxy-C1-C4-alkyl, C1-C4-haloalkoxy-C1-C4-alkyl, Rb—S(O)n—C1-C3-alkyl, Rc—C(═O)—C1-C3-alkyl, RdO—C(═O)—C1-C3-alkyl, ReRfN—C(═O)—C1-C3-alkyl, RgRhN—C1-C3-alkyl, phenyl-Z and heterocyclyl-Z, wherein heterocyclyl is a 5- or 6-membered monocyclic or 8-, 9- or 10-membered bicyclic saturated, partially unsaturated or aromatic heterocycle, which contains 1, 2, 3 or 4 heteroatoms as ring members, which are selected from the group consisting of O, N and S, wherein phenyl and heterocyclyl are unsubstituted or substituted by 1, 2, 3 or 4 groups R′, which are identical or different;
• R1 is selected from the group consisting of cyano-Z1, halogen, nitro, C1-C8-alkyl, C2-C8-alkenyl, C2-C8-alkynyl, C1-C8-haloalkyl, C1-C8-alkoxy, C1-C4-alkoxy-C1-C4-alkyl, C1-C4-alkoxy-C1-C4-alkoxy-Z1, C1-C4-alkylthio-C1-C4-alkyl, C1-C4-alkylthio-C1-C4-alkylthio-Z1, C2-C6-alkenyloxy, C2-C6-alkynyloxy, C1-C6-haloalkoxy, C1-C4-haloalkoxy-C1-C4-alkyl, C1-C4-haloalkoxy-C1-C4-alkoxy-Z, R1b—S(O)k—Z1, phenoxy-Z1, and heterocyclyloxy-Z1, wherein heterocyclyloxy is an oxygen bound 5- or 6-membered monocyclic or 8-, 9- or 10-membered bicyclic saturated, partially unsaturated or aromatic heterocycle, which contains 1, 2, 3 or 4 heteroatoms as ring members, which are selected from the group consisting of O, N and S, wherein the cyclic groups in phenoxy and heterocyclyloxy are unsubstituted or substituted by 1, 2, 3 or 4 groups R1, which are identical or different;
• R2 is selected from the group consisting of C1-C6-alkoxy, C1-C6-haloalkoxy, C1-C4-alkoxy-C1-C4-alkoxy and R2b—S(O)k;
• R3 is selected from the group consisting of hydrogen, halogen, OH—Z2, NO2—Z2, cyano-Z2, C1-C6-alkyl, C2-C8-alkenyl, C2-C8-alkynyl, C3-C10-cycloalkyl-Z2, C3-C10-cycloalkoxy-Z2, wherein the C3-C10-cycloalkyl groups in the two aforementioned radicals are unsubstituted or partially or completely halogenated, C1-C8-haloalkyl, C1-C8-alkoxy-Z2, C1-C8-haloalkoxy-Z2, C1-C4-alkoxy-C1-C4-alkoxy-Z2, C1-C4-alkylthio-C1-C4-alkylthio-Z2, C2-C8-alkenyloxy-Z2, C2-C8alkynyloxy-Z2, C2-C8-haloalkenyloxy-Z2, C2-C8-haloalkynyloxy-Z2, C1-C4-haloalkoxy-C1-C4-alkoxy-Z2, (tri-C1-C4-alkyl)silyl-Z2, R2b—S(O)k—Z2, R2c—C(═)—Z2, R2dO—C(═O)—Z2, R2eR2fN—C(═O)—Z2, R2gR2hN—Z2, phenyl-Z2a and heterocyclyl-Z2a, wherein heterocyclyl is a 3-, 4-, 5- or 6-membered monocyclic or 8-, 9- or 10-membered bicyclic saturated, partially unsaturated or aromatic heterocycle, which contains 1, 2, 3 or 4 heteroatoms as ring members, which are selected from the group consisting of O, N and S, wherein the cyclic groups in phenyl-Z2a and heterocyclyl-Z2a are unsubstituted or substituted by 1, 2, 3 or 4 groups R21, which are identical or different;
• R4 is selected from the group consisting of hydrogen, halogen, cyano, nitro, C1-C4-alkyl and C1-C4-haloalkyl;
• R5 is selected from the group consisting of halogen, C1-C4-alkyl and C1-C4-haloalkyl;
• n is 0, 1 or 2;
• k is 0, 1 or 2;
• R′, R11, R21 independently of each other are selected from the group consisting of halogen, NO2, CN, C1-C6-alkyl, C3-C7-cycloalkyl, C3-C7-halocycloalkyl, C1-C6-haloalkyl, C2-C6-alkenyl, C2-C6-haloalkenyl, C2-C6-alkynyl, C2-C6-haloalkynyl, C1-C6-alkoxy, C1-C4-alkoxy-C1-C4-alkyl, C1-C4-alkylthio-C1-C4-alkyl, C1-C4-haloalkoxy-C1-C4-alkyl, C1-C4-alkoxy-C1-C4-alkoxy, C3-C7-cycloalkoxy and C1-C6-haloalkyloxy, or two vicinal radicals R′, R11 or R21 together may form a group ═O;
• Z, Z1, Z2 independently of each other are selected from the group consisting of a covalent bond and C1-C4-alkanediyl;
• Z2a is selected from the group consisting of a covalent bond, C1-C4-alkanediyl, O—C1-C4-alkanediyl, C1-C4-alkanediyl-O and C1-C4-alkanediyl-O—C1-C4-alkanediyl;
• Rb, R1b, R2b independently of each other are selected from the group consisting of C1-C6-alkyl, C3-C7-cycloalkyl, C1-C6-haloalkyl, C2-C6-alkenyl, C2-C6-haloalkenyl, C2-C6-alkynyl, C2-C6-haloalkynyl, phenyl and heterocyclyl, wherein heterocyclyl is a 5- or 6-membered monocyclic saturated, partially unsaturated or aromatic heterocycle, which contains 1, 2, 3 or 4 heteroatoms as ring members, which are selected from the group consisting of O, N and S, wherein phenyl and heterocyclyl are unsubstituted or substituted by 1, 2, 3 or 4 groups, which are identical or different and selected from the group consisting of halogen, C1-C4-alkyl, C1-C4-haloalkyl, C1-C4-alkoxy and C1-C4-haloalkoxy;
• Rc, R2c independently of each other are selected from the group consisting of hydrogen, C1-C6-alkyl, C3-C7-cycloalkyl, C3-C7-cycloalkyl-C1-C4-alkyl, wherein the C3-C7-cycloalkyl groups in the two aforementioned radicals are unsubstituted or partially or completely halogenated, C1-C6-haloalkyl, C2-C6-alkenyl, C2-C6-haloalkenyl, C2-C6-alkynyl, C2-C6-haloalkynyl, C1-C4-alkoxy-C1-C4-alkyl, phenyl, benzyl and heterocyclyl, wherein heterocyclyl is a 5- or 6-membered monocyclic saturated, partially unsaturated or aromatic heterocycle, which contains 1, 2, 3 or 4 heteroatoms as ring members, which are selected from the group consisting of O, N and S, wherein phenyl, benzyl and heterocyclyl are unsubstituted or substituted by 1, 2, 3 or 4 groups, which are identical or different and selected from the group consisting of halogen, C1-C4-alkyl, C1-C4-haloalkyl, C1-C4-alkoxy and C1-C4-haloalkoxy;
• Rd, R2d independently of each other are selected from the group consisting of C1-C6-alkyl, C3-C7-cycloalkyl, C3-C7-cycloalkyl-C1-C4-alkyl, wherein the C3-C7-cycloalkyl groups in the two aforementioned radicals are unsubstituted or partially or completely halogenated, C1-C6-haloalkyl, C2-C6-alkenyl, C2-C6-haloalkenyl, C2-C6-alkynyl, C2-C6-haloalkynyl, C1-C4-alkoxy-C1-C4-alkyl, phenyl and benzyl, wherein phenyl and benzyl are unsubstituted or substituted by 1, 2, 3 or 4 groups, which are identical or different and selected from the group consisting of halogen, C1-C4-alkyl, C1-C4-haloalkyl, C1-C4-alkoxy and C1-C4-haloalkoxy;
• Re, Rf independently of each other are selected from the group consisting of hydrogen, C1-C6-alkyl, C3-C7-cycloalkyl, C3-C7-cycloalkyl-C1-C4-alkyl, wherein the C3-C7-cycloalkyl groups in the two aforementioned radicals are unsubstituted or partially or completely halogenated, C1-C6-haloalkyl, C2-C6-alkenyl, C2-C6-haloalkenyl, C2-C6-alkynyl, C2-C6-haloalkynyl, C1-C4-alkoxy-C1-C4-alkyl, phenyl and benzyl, wherein phenyl and benzyl are unsubstituted or substituted by 1, 2, 3 or 4 groups, which are identical or different and selected from the group consisting of halogen, C1-C4-alkyl, C1-C4-haloalkyl, C1-C4-alkoxy and C1-C4-haloalkoxy, or
• Re, Rf together with the nitrogen atom, to which they are bound may form a 5-, 6 or 7-membered, saturated or unsaturated N-bound heterocyclic radical, which may carry as a ring member a further heteroatom selected from O, S and N and which is unsubstituted or may carry 1, 2, 3 or 4 groups, which are identical or different and selected from the group consisting of halogen, C1-C4-alkyl, C1-C4-haloalkyl, C1-C4-alkoxy and C1-C4-haloalkoxy;
• R2e, R2f independently of each other have the meanings given for Re, Rf;
• Rg is selected from the group consisting of hydrogen, C1-C6-alkyl, C3-C7-cycloalkyl, C3-C7-cycloalkyl-C1-C4-alkyl, wherein the C3-C7-cycloalkyl groups in the two aforementioned radicals are unsubstituted or partially or completely halogenated, C1-C6-haloalkyl, C2-C6-alkenyl, C2-C6-haloalkenyl, C2-C6-alkynyl, C2-C6-haloalkynyl, C1-C4-alkoxy-C1-C4-alkyl, phenyl and benzyl, wherein phenyl and benzyl are unsubstituted or substituted by 1, 2, 3 or 4 groups, which are identical or different and selected from the group consisting of halogen, C1-C4-alkyl, C1-C4-haloalkyl, C1-C4-alkoxy and C1-C4-haloalkoxy;
• Rh is selected from the group consisting of hydrogen, C1-C6-alkyl, C3-C7-cycloalkyl, C3-C7-cycloalkyl-C1-C4-alkyl, wherein the C3-C7-cycloalkyl groups in the two aforementioned radicals are unsubstituted or partially or completely halogenated, C1-C6-haloalkyl, C2-C6-alkenyl, C2-C6-haloalkenyl, C2-C6-alkynyl, C2-C6-haloalkynyl, C1-C4-alkoxy-C1-C4-alkyl, a radical C(═O)—Rk, phenyl and benzyl, wherein phenyl and benzyl are unsubstituted or substituted by 1, 2, 3 or 4 groups, which are identical or different and selected from the group consisting of halogen, C1-C4-alkyl, C1-C4-haloalkyl, C1-C4-alkoxy and C1-C4-haloalkoxy, or
• Rg, Rh together with the nitrogen atom, to which they are bound may form a 5-, 6 or 7-membered, saturated or unsaturated N-bound heterocyclic radical, which may carry as a ring member a further heteroatom selected from O, S and N and which is unsubstituted or may carry 1, 2, 3 or 4 groups, which are identical or different and selected from the group consisting of ═O, halogen, C1-C4-alkyl, C1-C4-haloalkyl, C1-C4-alkoxy and C1-C4-haloalkoxy;
• R2g, R2h independently of each other have the meanings given for Rg, Rh;
• Rk has the meanings given for Rc;
• an N-oxide or an agriculturally suitable salt thereof;
• except N-(tetrazol-5-yl)- and N-(triazol-5-yl)arylcarboxamides of formula I, an N-oxide or an agriculturally suitable salt thereof, wherein
• B is N or CH;
• R is selected from the group consisting of methyl, ethyl, methoxymethyl and methoxyethyl;
• R1 is selected from the group consisting of chlorine, methyl, trifluoromethyl and methylsulfonyl;
• R2 is methylsulfonyl;
• R3 is selected from the group consisting of chlorine, fluorine, trifluoromethyl, methylsulfonyl and cyano;
• and either R4 is hydrogen and R5 is chlorine or fluorine, or
• R5 is hydrogen and R4 is chlorine or fluorine;
• and
• except N-(tetrazol-5-yl)- and N-(triazol-5-yl)arylcarboxamides of formula I, an N-oxide or an agriculturally suitable salt thereof, wherein
• B is N or CH;
• R is selected from the group consisting of methyl, ethyl, methoxymethyl and methoxyethyl;
• R1 is chlorine;
• R2 is methylthio;
• R3 is chlorine;
• and
• R4 is hydrogen and R5 is fluorine.