Heterocyclylpyri(mi)dinylpyrazole

A composition for controlling phytopathogenic harmful and mycotoxin producing fungi, characterized in that it comprises at least one heterocyclylpyridinylpyrazole of the formula (I)

• in which
• U represents a structure selected from
• X1 represents C—H,
• X2 represents S or O,
• W represents C or N each of which is optionally substituted by identical or different substituents from the group consisting of R5,
• or represents O
• a represents a single or double bond
• b represents a single or double bond
• with the provisio that a and b each represent a single bond if W equals 0 and a represents a single bond if Q equals C═C,
• n is 0,1,2, 3 or 4
• Q represents C, C—C, C═C or C—C—C, each of which is optionally mono or polysubstituted by identical or different substituents from the group consisting of R5
• R1 represents C(O)OR7, C(O)SR7, C(S)OR7, C(O)R7, C(S)R7, C(O)NR7R8, C(S)NR7R8, C(═NR9)R10, C(═NR9)OR10, C(═NR9)NR9R10, SO(═NR9)R10, SO2NR7R8, SO2R7
• or
• R1 represents C1-C6-alkyl, C3-C8-cycloalkyl, C2-C6-alkenyl, C2-C8-alkynyl, C6-C14-aryl, C2-C9-heterocyclyl, C2-C9-heteroaryl, each of which is optionally mono- or polysubstituted by identical or different substituents from the group consisting of R11,
• R2 represents cyano, formyl, OR7, SR7, C(O)OR7, C(O)SR7, C(S)OR7, C(O)R7, C(S)R7,
• or
• R2 represents C1-C6-alkyl, C3-C8-cycloalkyl, C2-C6-alkenyl, C2-C8-alkynyl, C6-C14-aryl, C2-C9-heterocyclyl, C2-C9-heteroaryl, each of which is optionally mono- or polysubstituted by identical or different substituents from the group consisting of R11,
• with the provisio that R1 is not C1-C6-alkyl, C3-C8-cycloalkyl, C1-C6-haloalkyl, C3-C8-halocycloalkyl, C1-C4-alkoxy-C1-C6-alkyl or amino-C1-C6-alkyl if R2 is C1-C6-alkyl, C3-C8-cycloalkyl, C1-C6-haloalkyl, C3-C8-halocycloalkyl, C1-C4-alkoxy-C1-C6-alkyl or amino-C1-C6-alkyl and,
• with the provisio that R2 is not C1-C6-alkyl, C3-C8-cycloalkyl, C1-C6-haloalkyl, C3-C8-halocycloalkyl, C1-C4-alkoxy-C1-C6-alkyl or amino-C1-C6-alkyl if R1 is C1-C6-alkyl, C3-C8-cycloalkyl, C1-C6-haloalkyl, C3-C8-halocycloalkyl, C1-C4-alkoxy-C1-C6-alkyl or amino-C1-C6-alkyl,
• R3 and R4 represent independently of each other H, F, Cl, Br, I, cyano, nitro, OH, SH,
• or represent C1-C6-alkyl, C3-C6-cycloalkyl, C2-C6-alkenyl, C2-C6-alkynyl, C6-C14-aryl, C1-C4-alkoxy, O—(C6-C14-aryl), S—(C1-C4-alkyl), S(O)—(C1-C6-alkyl), C(O)—(C1-C6-alkyl), C3-C8-trialkylsilyl, heteroaryl, heterocyclyl, each of which is optionally mono- or polysubstituted by identical or different substituents from the group consisting of R11
• or
• R3 and R4 together with the carbon atoms to which they are attached form a cycle with 5 to 8 ring atoms, said cycle optionally containing 1 to 4 heteroatoms selected from oxygen, sulphur and NR14, and said cycle is optionally mono- or multi substituted by identical or different substituents selected from halogen, oxygen, cyano or C1-C4-alkyl, C1-C4-alkoxy, C1-C6-haloalkyl, C1-C4-haloalkoxy, and C3-C6-cycloalkyl,
• R5 represents as substituent for C:
• H, cyano, halogen, OH, ═O, C1-C6-alkyl, C2-C6-alkenyl, C2-C6-alkynyl, C1-C6-alkoxy, C3-C6-cycloalkyl, C3-C8-allenyl, C3-C8-trialkylsilyl, C4-C8-cycloalkenyl C1-C6-alkoxy-C1-C6-alkyl, acyloxy-C1-C6-alkyl, heteroaryl-C1-C6-alkyl, aryl-C1-C6-alkyl, C1-C6-alkylthio-C1-C6-alkyl, C1-C4-alkyl-C(O)—C1-C6-alkyl, C3-C6-cycloalkyl-C(O)—C1-C4-alkyl, heterocyclyl-C(O)—C1-C4-alkyl, C1-C4-alkyl-C(O)O—C1-C6-alkyl, C3-C6-cycloalkyl-C(O)O—C1-C4-alkyl, heterocyclyl-C(O)O—C1-C4-alkyl, heterocyclyl-C1-C6-alkyl, C6-C10-aryl, heterocyclyl, heteroaryl, each of which is optionally mono- or polysubstituted by identical or different substituents from the group consisting of OH, F, Cl, Br, I, cyano, NH—C(O)R9, NR9R10, C(O)R9, C(O)OR9, C(O)NR9R10, SO2R9, OC(O)R9
• or represents C(O)NR9R10, C(O)R9, C(O)OR9, S(O)2R9 C(S)NR9R10, C(S)R9, S(O)2NR9R10, ═N(OR9),
• and represents as substituent for N:
• H, OH, C1-C6-alkyl, C2-C6-alkenyl-C1-C6-alkyl, C2-C6-alkynyl-C1-C6-alkyl, C1-C6-alkoxy, C3-C6-cycloalkyl, C1-C6-alkoxy-C1-C6-alkyl, acyloxy-C1-C6-alkyl, heteroaryl-C1-C6-alkyl, aryl-C1-C6-alkyl, C1-C6-alkylthio-C1-C6-alkyl, C1-C4-alkyl-C(O)—C1-C6-alkyl, C3-C6-cycloalkyl-C(O)—C1-C4-alkyl, heterocyclyl-C(O)—C1-C4-alkyl, C1-C4-alkyl-C(O)O—C1-C6-alkyl, C3-C6-cycloalkyl-C(O)O—C1-C4-alkyl, heterocyclyl-C(O)O—C1-C4-alkyl, heterocyclyl-C1-C6-alkyl, C6-C10-aryl, heterocyclyl, heteroaryl, each of which is optionally mono- or polysubstituted by identical or different substituents from the group consisting of OH, F, Cl, Br, I, cyano, NH—C(O)R9, NR9R10, C(O)R9, C(O)OR9, C(O)NR9R10, SO2R9, OC(O)R9
• or represents C(O)NR9R10, C(O)R9, C(O)OR9, S(O)2R9 C(S)NR9R10, C(S)R9, S(O)2NR9R10
• R6 represents H, cyano, halogen
• or represents C1-C6-alkyl, C3-C6-cycloalkyl, heterocyclyl, C2-C8-alkenyl, C2-C8-alkynyl, C1-C8-alkoxy, C2-C8-alkynyloxy, C1-C8-alkylthio, C3-C8-trialkylsilyl, each of which is optionally mono- or polysubstituted by identical or different substituents from the group consisting of OH, F, Cl, cyano,
• R7 and R8 represent H, C(S)R12, C(O)R12, SO2R12, C(O)OR12, OR12 or C(O)NR12R13
• or represent C1-C6-alkyl, C2-C6-alkenyl, C2-C6-alkynyl, C3-C8-cycloalkyl, C6-C14-aryl, heterocyclyl or heteroaryl, each of which is optionally mono- or polysubstituted by identical or different substituents from the group consisting of F, Cl, Br, OH, ═O, cyano, C1-C6-alkyl, O—C(O)R9, O—P(O)(OR9)2, O—B(OR9)2 or O—(C1-C4-alkyl),
• R9 and R10 represent C1-C6-alkyl, C3-C6-cycloalkyl, C2-C6-alkenyl, C2-C6-alkynyl, aryl, benzyl, phenethyl, each of which is optionally mono- or polysubstituted by identical or different substituents from the group consisting of F, Cl, Br, I, OH, carbonyl, cyano
• or represent H,
• R11 represents OH, F, Cl, Br, I, cyano, ═O, NH—C(O)R9, NR9R10, C(O)R9, C(O)OR9, C(O)NR9R10, SO2R9, OC(O)R9
• or represents C1-C6-alkyl, C2-C6-alkenyl, C2-C6-alkynyl, C3-C8-cycloalkyl, C1-C4-alkoxy, C1-C4-alkylthio, O—(C3-C8-cycloalkyl), S—(C3-C8-cycloalkyl), C6-C14-aryl, O—(C6-C14-aryl), S—(C6-C14-aryl), heterocyclyl or heteroaryl, each of which is optionally mono- or polysubstituted by identical or different substituents from the group consisting of F, Cl, Br, I, OH, carbonyl, cyano, C1-C6-alkyl or C1-C4-alkoxy,
• R12 and R13 represent H
• or represents C1-C6-alkyl, C3-C6-cycloalkyl, C2-C6-alkenyl, C2-C6-alkynyl, C3-C8-cycloalkyl, C6-C14-aryl, heterocyclyl or heteroaryl, each of which is optionally mono- or polysubstituted by identical or different substituents from the group consisting of F, Cl, Br, I, OH, carbonyl, cyano, C1-C6-alkyl or C1-C4-alkoxy,
• R14 represents H, C1-C6-alkyl, C3-C6-cycloalkyl, C2-C6-alkenyl, C2-C6-alkynyl, C(S)R15, C(O)R15, SO2R15, C(O)OR15
• R15 represent H
• or represents C1-C6-alkyl, C3-C6-cycloalkyl, C2-C6-alkenyl, C2-C6-alkynyl, C3-C8-cycloalkyl, C6-C14-aryl, benzyl, phenethyl, phenoxymethyl, heterocyclyl or heteroaryl, each of which is optionally mono- or polysubstituted by identical or different substituents from the group consisting of F, Cl, Br, I, OH, carbonyl, cyano, methyl, ethyl, n-propyl, iso-propyl, n-butyl, iso-butyl, sec-butyl, tert-butyl, n-pentyl, cyclopropyl, or methoxy, ethoxy, n-propoxy, iso-propoxy, n-butoxy, tert-butoxy, methylsulfanyl, nitro, trifluormethyl, difluormethyl, C(O)R12, C(O)OR12, C(O)NR12R13, SO2R12, OC(O)R12
• or agrochemically active salt thereof, in addition to extenders and/or surfactants.

A method for controlling phytopathogenic harmful and mycotoxin producing fungi, comprising applying a heterocyclylpyridinylpyrazole of the formula (I)

• in which
• U represents a structure selected from
• X1 represents C—H,
• X2 represents S or O,
• W represents C or N each of which is optionally substituted by identical or different substituents from the group consisting of R5,
• or represents O
• a represents a single or double bond
• b represents a single or double bond
• with the provisio that a and b each represent a single bond if W equals 0 and a represents a single bond if Q equals C═C,
• n is 0,1,2, 3 or 4
• Q represents C, C—C, C═C or C—C—C, each of which is optionally mono or polysubstituted by identical or different substituents from the group consisting of R5
• R1 represents C(O)OR7, C(O)SR7, C(S)OR7, C(O)R7, C(S)R7, C(O)NR7R8, C(S)NR7R8, C(═NR9)R10, C(═NR9)OR10, C(═NR9)NR9R10, SO2NR7R8, SO2R7
• or
• R1 represents C1-C6-alkyl, C3-C8-cycloalkyl, C2-C6-alkenyl, C2-C8-alkynyl, C6-C14-aryl, C2-C9-heterocyclyl, C2-C9-heteroaryl, each of which is optionally mono- or polysubstituted by identical or different substituents from the group consisting of R11,
• R2 represents cyano, formyl, OR7, SR7, C(O)OR7, C(O)SR7, C(S)OR7, C(O)R7, C(S)R7,
• or
• R2 represents C1-C6-alkyl, C3-C8-cycloalkyl, C2-C6-alkenyl, C2-C8-alkynyl, C6-C14-aryl, C2-C9-heterocyclyl, C2-C9-heteroaryl, each of which is optionally mono- or polysubstituted by identical or different substituents from the group consisting of R11,
• with the provisio that R1 is not C1-C6-alkyl, C3-C8-cycloalkyl, C1-C6-haloalkyl, C3-C8-halocycloalkyl, C1-C4-alkoxy-C1-C6-alkyl or amino-C1-C6-alkyl if R2 is C1-C6-alkyl, C3-C8-cycloalkyl, C1-C6-haloalkyl, C3-C8-halocycloalkyl, C1-C4-alkoxy-C1-C6-alkyl or amino-C1-C6-alkyl and,
• with the provisio that R2 is not C1-C6-alkyl, C3-C8-cycloalkyl, C1-C6-haloalkyl, C3-C8-halocycloalkyl, C1-C4-alkoxy-C1-C6-alkyl or amino-C1-C6-alkyl if R1 is C1-C6-alkyl, C3-C8-cycloalkyl, C1-C6-haloalkyl, C3-C8-halocycloalkyl, C1-C4-alkoxy-C1-C6-alkyl or amino-C1-C6-alkyl,
• R3 and R4 represent independently of each other H, F, Cl, Br, I, cyano, nitro, OH, SH,
• or represent C1-C6-alkyl, C3-C6-cycloalkyl, C2-C6-alkenyl, C2-C6-alkynyl, C6-C14-aryl, C1-C4-alkoxy, O—(C6-C14-aryl), S—(C1-C4-alkyl), S(O)—(C1-C6-alkyl), C(O)—(C1-C6-alkyl), C3-C8-trialkylsilyl, heteroaryl, heterocyclyl, each of which is optionally mono- or polysubstituted by identical or different substituents from the group consisting of R11
• or
• R3 and R4 together with the carbon atoms to which they are attached form a cycle with 5 to 8 ring atoms, said cycle optionally containing 1 to 4 heteroatoms selected from oxygen, sulphur and NR14, and said cycle is optionally mono- or multi substituted by identical or different substituents selected from halogen, oxygen, cyano or C1-C4-alkyl, C1-C4-alkoxy, C1-C6-haloalkyl, C1-C4-haloalkoxy, and C3-C6-cycloalkyl,
• R5 represents as substituent for C:
• H, cyano, halogen, OH, ═O, C1-C6-alkyl, C2-C6-alkenyl, C2-C6-alkynyl, C1-C6-alkoxy, C3-C6-cycloalkyl, C3-C8-allenyl, C3-C8-trialkylsilyl, C4-C8-cycloalkenyl C1-C6-alkoxy-C1-C6-alkyl, acyloxy-C1-C6-alkyl, heteroaryl-C1-C6-alkyl, aryl-C1-C6-alkyl, C1-C6-alkylthio-C1-C6-alkyl, C1-C4-alkyl-C(O)—C1-C6-alkyl, C3-C6-cycloalkyl-C(O)—C1-C4-alkyl, heterocyclyl-C(O)—C1-C4-alkyl, C1-C4-alkyl-C(O)O—C1-C6-alkyl, C3-C6-cycloalkyl-C(O)O—C1-C4-alkyl, heterocyclyl-C(O)O—C1-C4-alkyl, heterocyclyl-C1-C6-alkyl, C6-C10-aryl, heterocyclyl, heteroaryl, each of which is optionally mono- or polysubstituted by identical or different substituents from the group consisting of OH, F, Cl, Br, I, cyano, NH—C(O)R9, NR9R10, C(O)R9, C(O)OR9, C(O)NR9R10, SO2R9, OC(O)R9
• or represents C(O)NR9R10, C(O)R9, C(O)OR9, S(O)2R9 C(S)NR9R10, C(S)R9, S(O)2NR9R10, ═N(OR9),
• and represents as substituent for N:
• H, OH, C1-C6-alkyl, C2-C6-alkenyl-C1-C6-alkyl, C2-C6-alkynyl-C1-C6-alkyl, C1-C6-alkoxy, C3-C6-cycloalkyl, C1-C6-alkoxy-C1-C6-alkyl, acyloxy-C1-C6-alkyl, heteroaryl-C1-C6-alkyl, aryl-C1-C6-alkyl, C1-C6-alkylthio-C1-C6-alkyl, C1-C4-alkyl-C(O)—C1-C6-alkyl, C3-C6-cycloalkyl-C(O)—C1-C4-alkyl, heterocyclyl-C(O)—C1-C4-alkyl, C1-C4-alkyl-C(O)O—C1-C6-alkyl, C3-C6-cycloalkyl-C(O)O—C1-C4-alkyl, heterocyclyl-C(O)O—C1-C4-alkyl, heterocyclyl-C1-C6-alkyl, C6-C10-aryl, heterocyclyl, heteroaryl, each of which is optionally mono- or polysubstituted by identical or different substituents from the group consisting of OH, F, Cl, Br, I, cyano, NH—C(O)R9, NR9R10, C(O)R9, C(O)OR9, C(O)NR9R10, SO2R9, OC(O)R9
• or represents C(O)NR9R10, C(O)R9, C(O)OR9, S(O)2R9 C(S)NR9R10, C(S)R9, S(O)2NR9R10
• R6 represents H, cyano, halogen
• or represents C1-C6-alkyl, C3-C6-cycloalkyl, heterocyclyl, C2-C8-alkenyl, C2-C8-alkynyl, C1-C8-alkoxy, C2-C8-alkynyloxy, C1-C8-alkylthio, C3-C8-trialkylsilyl, each of which is optionally mono- or polysubstituted by identical or different substituents from the group consisting of OH, F, Cl, cyano,
• R7 and R8 represent H, C(S)R12, C(O)R12, SO2R12, C(O)OR12, OR12 or C(O)NR12R13
• or represent C1-C6-alkyl, C2-C6-alkenyl, C2-C6-alkynyl, C3-C8-cycloalkyl, C6-C14-aryl, heterocyclyl or heteroaryl, each of which is optionally mono- or polysubstituted by identical or different substituents from the group consisting of F, Cl, Br, OH, ═O, cyano, C1-C6-alkyl, O—C(O)R9, O—P(O)(OR9)2, O—B(OR9)2 or O—(C1-C4-alkyl),
• R9 and R10 represent C1-C6-alkyl, C3-C6-cycloalkyl, C2-C6-alkenyl, C2-C6-alkynyl, aryl, benzyl, phenethyl, each of which is optionally mono- or polysubstituted by identical or different substituents from the group consisting of F, Cl, Br, I, OH, carbonyl, cyano
• or represent H,
• R11 represents OH, F, Cl, Br, I, cyano, ═O, NH—C(O)R9, NR9R10, C(O)R9, C(O)OR9, C(O)NR9R10, SO2R9, OC(O)R9
• or represents C1-C6-alkyl, C2-C6-alkenyl, C2-C6-alkynyl, C3-C8-cycloalkyl, C1-C4-alkoxy, C1-C4-alkylthio, O—(C3-C8-cycloalkyl), S—(C3-C8-cycloalkyl), C6-C14-aryl, O—(C6-C14-aryl), S—(C6-C14-aryl), heterocyclyl or heteroaryl, each of which is optionally mono- or polysubstituted by identical or different substituents from the group consisting of F, Cl, Br, I, OH, carbonyl, cyano, C1-C6-alkyl or C1-C4-alkoxy,
• R12 and R13 represent H
• or represents C1-C6-alkyl, C3-C6-cycloalkyl, C2-C6-alkenyl, C2-C6-alkynyl, C3-C8-cycloalkyl, C6-C14-aryl, heterocyclyl or heteroaryl, each of which is optionally mono- or polysubstituted by identical or different substituents from the group consisting of F, Cl, Br, I, OH, carbonyl, cyano, C1-C6-alkyl or C1-C4-alkoxy,
• R14 represents H, C1-C6-alkyl, C3-C6-cycloalkyl, C2-C6-alkenyl, C2-C6-alkynyl, C(S)R15, C(O)R15, SO2R15, C(O)OR15
• R15 represent H
• or represents C1-C6-alkyl, C3-C6-cycloalkyl, C2-C6-alkenyl, C2-C6-alkynyl, C3-C8-cycloalkyl, C6-C14-aryl, benzyl, phenethyl, phenoxymethyl, heterocyclyl or heteroaryl, each of which is optionally mono- or polysubstituted by identical or different substituents from the group consisting of F, Cl, Br, I, OH, carbonyl, cyano, methyl, ethyl, n-propyl, iso-propyl, n-butyl, iso-butyl, sec-butyl, tert-butyl, n-pentyl, cyclopropyl, or methoxy, ethoxy, n-propoxy, iso-propoxy, n-butoxy, tert-butoxy, methylsulfanyl, nitro, trifluormethyl, difluormethyl, C(O)R12, C(O)OR12, C(O)N12R13, SO2R12, OC(O)R12
• or agrochemically active salt thereof, to the microorganisms and/or their habitat.

A process for preparing compositions for controlling unwanted microorganisms, comprising mixing a heterocyclylpyridinylpyrazole of the formula (I)

• in which
• U represents a structure selected from
• X1 represents C—H,
• X2 represents S or O,
• W represents C or N each of which is optionally substituted by identical or different substituents from the group consisting of R5,
• or represents O
• a represents a single or double bond
• b represents a single or double bond
• with the provisio that a and b each represent a single bond if W equals O and a represents a single bond if Q equals C═C,
• n is 0,1,2, 3 or 4
• Q represents C, C—C, C═C or C—C—C, each of which is optionally mono or polysubstituted by identical or different substituents from the group consisting of R5
• R1 represents C(O)OR7, C(O)SR7, C(S)OR7, C(O)R7, C(S)R7, C(O)NR7R8, C(S)NR7R8, C(═NR9)R10, C(═NR9)OR10, C(═NR9)NR9R10, SO2NR7R8, SO2R7
• or
• R1 represents C1-C6-alkyl, C3-C8-cycloalkyl, C2-C6-alkenyl, C2-C8-alkynyl, C6-C14-aryl, C2-C9-heterocyclyl, C2-C9-heteroaryl, each of which is optionally mono- or polysubstituted by identical or different substituents from the group consisting of R11,
• R2 represents cyano, formyl, OR7, SR7, C(O)OR7, C(O)SR7, C(S)OR7, C(O)R7, C(S)R7,
• or
• R2 represents C1-C6-alkyl, C3-C8-cycloalkyl, C2-C6-alkenyl, C2-C8-alkynyl, C6-C14-aryl, C2-C9-heterocyclyl, C2-C9-heteroaryl, each of which is optionally mono- or polysubstituted by identical or different substituents from the group consisting of R11
• with the provisio that R1 is not C1-C6-alkyl, C3-C8-cycloalkyl, C1-C6-haloalkyl, C3-C8-halocycloalkyl, C1-C4-alkoxy-C1-C6-alkyl or amino-C1-C6-alkyl if R2 is C1-C6-alkyl, C3-C8-cycloalkyl, C1-C6-haloalkyl, C3-C8-halocycloalkyl, C1-C4-alkoxy-C1-C6-alkyl or amino-C1-C6-alkyl and,
• with the provisio that R2 is not C1-C6-alkyl, C3-C8-cycloalkyl, C1-C6-haloalkyl, C3-C8-halocycloalkyl, C1-C4-alkoxy-C1-C6-alkyl or amino-C1-C6-alkyl if R1 is C1-C6-alkyl, C3-C8-cycloalkyl, C1-C6-haloalkyl, C3-C8-halocycloalkyl, C1-C4-alkoxy-C1-C6-alkyl or amino-C1-C6-alkyl,
• R3 and R4 represent independently of each other H, F, Cl, Br, I, cyano, nitro, OH, SH,
• or represent C1-C6-alkyl, C3-C6-cycloalkyl, C2-C6-alkenyl, C2-C6-alkynyl, C6-C14-aryl, C1-C4-alkoxy, O—(C6-C14-aryl), S—(C1-C4-alkyl), S(O)—(C1-C6-alkyl), C(O)—(C1-C6-alkyl), C3-C8-trialkylsilyl, heteroaryl, heterocyclyl, each of which is optionally mono- or polysubstituted by identical or different substituents from the group consisting of R11
• or
• R3 and R4 together with the carbon atoms to which they are attached form a cycle with 5 to 8 ring atoms, said cycle optionally containing 1 to 4 heteroatoms selected from oxygen, sulphur and NR14, and said cycle is optionally mono- or multi substituted by identical or different substituents selected from halogen, oxygen, cyano or C1-C4-alkyl, C1-C4-alkoxy, C1-C6-haloalkyl, C1-C4-haloalkoxy, and C3-C6-cycloalkyl,
• R5 represents as substituent for C:
• H, cyano, halogen, OH, ═O, C1-C6-alkyl, C2-C6-alkenyl, C2-C6-alkynyl, C1-C6-alkoxy, C3-C6-cycloalkyl, C3-C8-allenyl, C3-C8-trialkylsilyl, C4-C8-cycloalkenyl C1-C6-alkoxy-C1-C6-alkyl, acyloxy-C1-C6-alkyl, heteroaryl-C1-C6-alkyl, aryl-C1-C6-alkyl, C1-C6-alkylthio-C1-C6-alkyl, C1-C4-alkyl-C(O)—C1-C6-alkyl, C3-C6-cycloalkyl-C(O)—C1-C4-alkyl, heterocyclyl-C(O)—C1-C4-alkyl, C1-C4-alkyl-C(O)O—C1-C6-alkyl, C3-C6-cycloalkyl-C(O)O—C1-C4-alkyl, heterocyclyl-C(O)O—C1-C4-alkyl, heterocyclyl-C1-C6-alkyl, C6-C10-aryl, heterocyclyl, heteroaryl, each of which is optionally mono- or polysubstituted by identical or different substituents from the group consisting of OH, F, Cl, Br, I, cyano, NH—C(O)R9, NR9R10, C(O)R9, C(O)OR9, C(O)NR9R10, SO2R9, OC(O)R9
• or represents C(O)NR9R10, C(O)R9, C(O)OR9, S(O)2R9 C(S)NR9R10, C(S)R9, S(O)2NR9R10, ═N(OR9),
• and represents as substituent for N:
• H, OH, C1-C6-alkyl, C2-C6-alkenyl-C1-C6-alkyl, C2-C6-alkynyl-C1-C6-alkyl, C1-C6-alkoxy, C3-C6-cycloalkyl, C1-C6-alkoxy-C1-C6-alkyl, acyloxy-C1-C6-alkyl, heteroaryl-C1-C6-alkyl, aryl-C1-C6-alkyl, C1-C6-alkylthio-C1-C6-alkyl, C1-C4-alkyl-C(O)—C1-C6-alkyl, C3-C6-cycloalkyl-C(O)—C1-C4-alkyl, heterocyclyl-C(O)—C1-C4-alkyl, C1-C4-alkyl-C(O)O—C1-C6-alkyl, C3-C6-cycloalkyl-C(O)O—C1-C4-alkyl, heterocyclyl-C(O)O—C1-C4-alkyl, heterocyclyl-C1-C6-alkyl, C6-C10-aryl, heterocyclyl, heteroaryl, each of which is optionally mono- or polysubstituted by identical or different substituents from the group consisting of OH, F, Cl, Br, I, cyano, NH—C(O)R9, NR9R10, C(O)R9, C(O)OR9, C(O)NR9R10, SO2R9, OC(O)R9
• or represents C(O)NR9R10, C(O)R9, C(O)OR9, S(O)2R9 C(S)NR9R10, C(S)R9, S(O)2NR9R10
• R6 represents H, cyano, halogen
• or represents C1-C6-alkyl, C3-C6-cycloalkyl, heterocyclyl, C2-C8-alkenyl, C2-C8-alkynyl, C1-C8-alkoxy, C2-C8-alkynyloxy, C1-C8-alkylthio, C3-C8-trialkylsilyl, each of which is optionally mono- or polysubstituted by identical or different substituents from the group consisting of OH, F, Cl, cyano,
• R7 and R8 represent H, C(S)R12, C(O)R12, SO2R12, C(O)OR12, OR12 or C(O)NR12R13
• or represent C1-C6-alkyl, C2-C6-alkenyl, C2-C6-alkynyl, C3-C8-cycloalkyl, C6-C14-aryl, heterocyclyl or heteroaryl, each of which is optionally mono- or polysubstituted by identical or different substituents from the group consisting of F, Cl, Br, OH, ═O, cyano, C1-C6-alkyl, O—C(O)R9, O—P(O)(OR9)2, O—B(OR9)2 or O—(C1-C4-alkyl),
• R9 and R10 represent C1-C6-alkyl, C3-C6-cycloalkyl, C2-C6-alkenyl, C2-C6-alkynyl, aryl, benzyl, phenethyl, each of which is optionally mono- or polysubstituted by identical or different substituents from the group consisting of F, Cl, Br, I, OH, carbonyl, cyano
• or represent H,
• R11 represents OH, F, Cl, Br, I, cyano, ═O, NH—C(O)R9, NR9R10, C(O)R9, C(O)OR9, C(O)NR9R10, SO2R9, OC(O)R9
• or represents C1-C6-alkyl, C2-C6-alkenyl, C2-C6-alkynyl, C3-C8-cycloalkyl, C1-C4-alkoxy, C1-C4-alkylthio, O—(C3-C8-cycloalkyl), S—(C3-C8-cycloalkyl), C6-C14-aryl, O—(C6-C14-aryl), S—(C6-C14-aryl), heterocyclyl or heteroaryl, each of which is optionally mono- or polysubstituted by identical or different substituents from the group consisting of F, Cl, Br, I, OH, carbonyl, cyano, C1-C6-alkyl or C1-C4-alkoxy,
• R12 and R13 represent H
• or represents C1-C6-alkyl, C3-C6-cycloalkyl, C2-C6-alkenyl, C2-C6-alkynyl, C3-C8-cycloalkyl, C6-C14-aryl, heterocyclyl or heteroaryl, each of which is optionally mono- or polysubstituted by identical or different substituents from the group consisting of F, Cl, Br, I, OH, carbonyl, cyano, C1-C6-alkyl or C1-C4-alkoxy,
• R14 represents H, C1-C6-alkyl, C3-C6-cycloalkyl, C2-C6-alkenyl, C2-C6-alkynyl, C(S)R15, C(O)R15, SO2R15, C(O)OR15
• R15 represent H
• or represents C1-C6-alkyl, C3-C6-cycloalkyl, C2-C6-alkenyl, C2-C6-alkynyl, C3-C8-cycloalkyl, C6-C14-aryl, benzyl, phenethyl, phenoxymethyl, heterocyclyl or heteroaryl, each of which is optionally mono- or polysubstituted by identical or different substituents from the group consisting of F, Cl, Br, I, OH, carbonyl, cyano, methyl, ethyl, n-propyl, iso-propyl, n-butyl, iso-butyl, sec-butyl, tert-butyl, n-pentyl, cyclopropyl, or methoxy, ethoxy, n-propoxy, iso-propoxy, n-butoxy, tert-butoxy, methylsulfanyl, nitro, trifluormethyl, difluormethyl, C(O)R12, C(O)OR12, C(O)NR12R13, SO2R12, OC(O)R12
• or agrochemically active salt thereof, with extenders and/or surfactants.

A method for controlling unwanted microorganisms comprising applying a heterocyclylpyridinylpyrazole of the formula (I)

• in which
• U represents a structure selected from
• X1 represents C—H,
• X2 represents S or O,
• W represents C or N each of which is optionally substituted by identical or different substituents from the group consisting of R5,
• or represents O
• a represents a single or double bond
• b represents a single or double bond
• with the provisio that a and b each represent a single bond if W equals 0 and a represents a single bond if Q equals C═C,
• n is 0,1,2, 3 or 4
• Q represents C, C—C, C═C or C—C—C, each of which is optionally mono or polysubstituted by identical or different substituents from the group consisting of R5
• R1 represents C(O)OR7, C(O)SR7, C(S)OR7, C(O)R7, C(S)R7, C(O)NR7R8, C(S)NR7R8, C(═NR9)R10, C(═NR9)OR10, C(═NR9)NR9R10, SO(═NR9)R10, SO2NR7R8, SO2R7
• or
• R1 represents C1-C6-alkyl, C3-C8-cycloalkyl, C2-C6-alkenyl, C2-C8-alkynyl, C6-C14-aryl, C2-C9-heterocyclyl, C2-C9-heteroaryl, each of which is optionally mono- or polysubstituted by identical or different substituents from the group consisting of R11,
• R2 represents cyano, formyl, OR7, SR7, C(O)OR7, C(O)SR7, C(S)OR7, C(O)R7, C(S)R7,
• or
• R2 represents C1-C6-alkyl, C3-C8-cycloalkyl, C2-C6-alkenyl, C2-C8-alkynyl, C6-C14-aryl, C2-C9-heterocyclyl, C2-C9-heteroaryl, each of which is optionally mono- or polysubstituted by identical or different substituents from the group consisting of R11,
• with the provisio that R1 is not C1-C6-alkyl, C3-C8-cycloalkyl, C1-C6-haloalkyl, C3-C8-halocycloalkyl, C1-C4-alkoxy-C1-C6-alkyl or amino-C1-C6-alkyl if R2 is C1-C6-alkyl, C3-C8-cycloalkyl, C1-C6-haloalkyl, C3-C8-halocycloalkyl, C1-C4-alkoxy-C1-C6-alkyl or amino-C1-C6-alkyl and,
• with the provisio that R2 is not C1-C6-alkyl, C3-C8-cycloalkyl, C1-C6-haloalkyl, C3-C8-halocycloalkyl, C1-C4-alkoxy-C1-C6-alkyl or amino-C1-C6-alkyl if R1 is C1-C6-alkyl, C3-C8-cycloalkyl, C1-C6-haloalkyl, C3-C8-halocycloalkyl, C1-C4-alkoxy-C1-C6-alkyl or amino-C1-C6-alkyl,
• R3 and R4 represent independently of each other H, F, Cl, Br, I, cyano, nitro, OH, SH,
• or represent C1-C6-alkyl, C3-C6-cycloalkyl, C2-C6-alkenyl, C2-C6-alkynyl, C6-C14-aryl, C1-C4-alkoxy, O—(C6-C14-aryl), S—(C1-C4-alkyl), S(O)—(C1-C6-alkyl), C(O)—(C1-C6-alkyl), C3-C8-trialkylsilyl, heteroaryl, heterocyclyl, each of which is optionally mono- or polysubstituted by identical or different substituents from the group consisting of R11
• or
• R3 and R4 together with the carbon atoms to which they are attached form a cycle with 5 to 8 ring atoms, said cycle optionally containing 1 to 4 heteroatoms selected from oxygen, sulphur and NR14, and said cycle is optionally mono- or multi substituted by identical or different substituents selected from halogen, oxygen, cyano or C1-C4-alkyl, C1-C4-alkoxy, C1-C6-haloalkyl, C1-C4-haloalkoxy, and C3-C6-cycloalkyl,
• R5 represents as substituent for C:
• H, cyano, halogen, OH, ═O, C1-C6-alkyl, C2-C6-alkenyl, C2-C6-alkynyl, C1-C6-alkoxy, C3-C6-cycloalkyl, C3-C8-allenyl, C3-C8-trialkylsilyl, C4-C8-cycloalkenyl C1-C6-alkoxy-C1-C6-alkyl, acyloxy-C1-C6-alkyl, heteroaryl-C1-C6-alkyl, aryl-C1-C6-alkyl, C1-C6-alkylthio-C1-C6-alkyl, C1-C4-alkyl-C(O)—C1-C6-alkyl, C3-C6-cycloalkyl-C(O)—C1-C4-alkyl, heterocyclyl-C(O)—C1-C4-alkyl, C1-C4-alkyl-C(O)O—C1-C6-alkyl, C3-C6-cycloalkyl-C(O)O—C1-C4-alkyl, heterocyclyl-C(O)O—C1-C4-alkyl, heterocyclyl-C1-C6-alkyl, C6-C10-aryl, heterocyclyl, heteroaryl, each of which is optionally mono- or polysubstituted by identical or different substituents from the group consisting of OH, F, Cl, Br, I, cyano, NH—C(O)R9, NR9R10, C(O)R9, C(O)OR9, C(O)NR9R10, SO2R9, OC(O)R9
• or represents C(O)NR9R10, C(O)R9, C(O)OR9, S(O)2R9 C(S)NR9R10, C(S)R9, S(O)2NR9R10, ═N(OR9),
• and represents as substituent for N:
• H, OH, C1-C6-alkyl, C2-C6-alkenyl-C1-C6-alkyl, C2-C6-alkynyl-C1-C6-alkyl, C1-C6-alkoxy, C3-C6-cycloalkyl, C1-C6-alkoxy-C1-C6-alkyl, acyloxy-C1-C6-alkyl, heteroaryl-C1-C6-alkyl, aryl-C1-C6-alkyl, C1-C6-alkylthio-C1-C6-alkyl, C1-C4-alkyl-C(O)—C1-C6-alkyl, C3-C6-cycloalkyl-C(O)—C1-C4-alkyl, heterocyclyl-C(O)—C1-C4-alkyl, C1-C4-alkyl-C(O)O—C1-C6-alkyl, C3-C6-cycloalkyl-C(O)O—C1-C4-alkyl, heterocyclyl-C(O)O—C1-C4-alkyl, heterocyclyl-C1-C6-alkyl, C6-C10-aryl, heterocyclyl, heteroaryl, each of which is optionally mono- or polysubstituted by identical or different substituents from the group consisting of OH, F, Cl, Br, I, cyano, NH—C(O)R9, NR9R10, C(O)R9, C(O)OR9, C(O)NR9R10, SO2R9, OC(O)R9
• or represents C(O)NR9R10, C(O)R9, C(O)OR9, S(O)2R9 C(S)NR9R10, C(S)R9, S(O)2NR9R10
• R6 represents H, cyano, halogen
• or represents C1-C6-alkyl, C3-C6-cycloalkyl, heterocyclyl, C2-C8-alkenyl, C2-C8-alkynyl, C1-C8-alkoxy, C2-C8-alkynyloxy, C1-C8-alkylthio, C3-C8-trialkylsilyl, each of which is optionally mono- or polysubstituted by identical or different substituents from the group consisting of OH, F, Cl, cyano,
• R7 and R8 represent H, C(S)R12, C(O)R12, SO7R12, C(O)OR12, OR12 or C(O)NR12R13
• or represent C1-C6-alkyl, C2-C6-alkenyl, C2-C6-alkynyl, C3-C8-cycloalkyl, C6-C14-aryl, heterocyclyl or heteroaryl, each of which is optionally mono- or polysubstituted by identical or different substituents from the group consisting of F, Cl, Br, OH, ═O, cyano, C1-C6-alkyl, O—C(O)R9, O—P(O)(OR9)2, O—B(OR9)2 or O—(C1-C4-alkyl),
• R9 and R10 represent C1-C6-alkyl, C3-C6-cycloalkyl, C2-C6-alkenyl, C2-C6-alkynyl, aryl, benzyl, phenethyl, each of which is optionally mono- or polysubstituted by identical or different substituents from the group consisting of F, Cl, Br, I, OH, carbonyl, cyano
• or represent H,
• R11 represents OH, F, Cl, Br, I, cyano, ═O, NH—C(O)R9, NR9R10, C(O)R9, C(O)OR9, C(O)NR9R10, SO2R9, OC(O)R9
• or represents C1-C6-alkyl, C2-C6-alkenyl, C2-C6-alkynyl, C3-C8-cycloalkyl, C1-C4-alkoxy, C1-C4-alkylthio, O—(C3-C8-cycloalkyl), S—(C3-C8-cycloalkyl), C6-C14-aryl, O—(C6-C14-aryl), S—(C6-C14-aryl), heterocyclyl or heteroaryl, each of which is optionally mono- or polysubstituted by identical or different substituents from the group consisting of F, Cl, Br, I, OH, carbonyl, cyano, C1-C6-alkyl or C1-C4-alkoxy,
• R12 and R13 represent H
• or represents C1-C6-alkyl, C3-C6-cycloalkyl, C2-C6-alkenyl, C2-C6-alkynyl, C3-C8-cycloalkyl, C6-C14-aryl, heterocyclyl or heteroaryl, each of which is optionally mono- or polysubstituted by identical or different substituents from the group consisting of F, Cl, Br, I, OH, carbonyl, cyano, C1-C6-alkyl or C1-C4-alkoxy,
• R14 represents H, C1-C6-alkyl, C3-C6-cycloalkyl, C2-C6-alkenyl, C2-C6-alkynyl, C(S)R15, C(O)R15, SO2R15, C(O)OR15
• R15 represent H
• or represents C1-C6-alkyl, C3-C6-cycloalkyl, C2-C6-alkenyl, C2-C6-alkynyl, C3-C8-cycloalkyl, C6-C14-aryl, benzyl, phenethyl, phenoxymethyl, heterocyclyl or heteroaryl, each of which is optionally mono- or polysubstituted by identical or different substituents from the group consisting of F, Cl, Br, I, OH, carbonyl, cyano, methyl, ethyl, n-propyl, iso-propyl, n-butyl, iso-butyl, sec-butyl, tert-butyl, n-pentyl, cyclopropyl, or methoxy, ethoxy, n-propoxy, iso-propoxy, n-butoxy, tert-butoxy, methylsulfanyl, nitro, trifluormethyl, difluormethyl, C(O)R12, C(O)OR12, C(O)NR12R13, SO2R12, OC(O)R12
• or agrochemically active salt thereof, to the unwanted microorganisms.