Microbiocidal quinoline (thio)carboxamide derivatives

A compound of formula (I):

• wherein
• X is O or S;
• R1 is hydrogen, halogen, methyl, methoxy or cyano;
• R2 and R3 are each independently hydrogen, halogen or methyl;
• R4 is hydrogen, cyano, C1-C4 alkyl, or C3-C4 cycloalkyl, wherein the alkyl and cycloalkyl, may be optionally substituted with 1 to 3 substituents independently selected from halogen, cyano, C1-C3 alkyl, C1-C3 alkoxy and C1-C3 alkylthio;
• R5 and R6 are each independently selected from hydrogen, halogen, C1-C4 alkyl, C1-C4 alkoxy and C1-C4 alkylthio;
• or
• R5 and R6 together with the carbon atom to which they are attached represent C═O, C═NORc, C3-C5 cycloalkyl or C2-C5 alkenyl, wherein the cycloalkyl and alkenyl may be optionally substituted with 1 to 3 substituents independently selected from halogen, cyano, C1-C3 alkyl, C1-C3 alkoxy and C1-C3 alkylthio;
• R7 is hydrogen, C1-C5 alkyl, C3-C5 cycloalkyl, C2-C5 alkenyl, C3-C5 cycloalkenyl, or C2-C5 alkynyl, wherein the alkyl, cycloalkyl, alkenyl, alkynyl, cycloalkenyl may be optionally substituted with 1 to 4 substituents independently selected from halogen, cyano, C1-C3 alkyl, C1-C3 alkoxy, hydroxyl and C1-C3 alkylthio;
• R8 and R9 are each independently selected from hydrogen, halogen, C1-C4 alkyl and C1-C4 alkoxy;
• or
• R8 and R9 together with the carbon atom to which they are attached represent C3-C5 cycloalkyl, wherein the cycloalkyl may be optionally substituted with 1 to 3 substituents independently selected from halogen, cyano, C1-C3 alkyl, C1-C3 alkoxy and C1-C3 alkylthio;
• each R10 independently represents halogen, nitro, cyano, formyl, C1-C5 alkyl, C2-C5 alkenyl, C2-C5 alkynyl, C3-C6 cycloalkyl, C1-C5 alkoxy, C3-C5 alkenyloxy, C3-C5 alkynyloxy, C1-C5 alkylthio, —C(═NORc)C1-C5 alkyl, or C1-C5 alkylcarbonyl, wherein the alkyl, cycloalkyl, alkenyl, alkynyl, alkoxy, alkenyloxy, alkynyloxy and alkylthio may be optionally substituted with 1 to 5 substituents independently selected from halogen, C1-C3 alkyl, C1-C3 alkoxy, cyano and C1-C3 alkylthio;
• n is 0, 1, 2, 3, 4 or 5;
• each Rc is independently selected from hydrogen, C1-C4 alkyl, C2-C4 alkenyl, C3-C4 alkynyl, C3-C4 cycloalkyl(C1-C2)alkyl and C3-C4 cycloalkyl, wherein the alkyl, cycloalkyl, alkenyl and alkynyl groups may be optionally substituted with 1 to 3 substituents independently selected from halogen and cyano;
• R11 is hydrogen, halogen, methyl, methoxy or cyano;
• R12 and R13 are each independently selected from hydrogen, halogen, methyl, methoxy or hydroxyl;
• and salts and/or N-oxides thereof;
• provided that the compound is not one of the following compounds:
• , or
• a compound wherein R1 is hydrogen, R2 is hydrogen, R3 is methyl, R4 is hydrogen, R5 is hydrogen, R6 is hydrogen, R7 is hydrogen, R8 is hydrogen, R9 is hydrogen, n is 1, R10 is 2-methyl, R11 is fluoro, R12 is hydrogen, R13 is hydrogen, and X is O.