Heteroaryl-triazole compounds as pesticides

A compound of formula (I)

• in which
• X is O or S;
• Y is a direct bond or CH2;
• R1 is hydrogen;
• C1-C3alkyl optionally substituted with one substituent selected from —CN, —CONH2, —COOH, —NO2 and —Si(CH3)3;
• C1-C3haloalkyl;
• C2-C4alkenyl;
• C2-C4haloalkenyl;
• C2-C4alkynyl;
• C2-C4haloalkynyl;
• C3-C4cycloalkyl-C1-C2alkyl- wherein the C3-C4cycloalkyl is optionally substituted with one or two halogen atoms;
• oxetan-3-yl-CH2—;
• or benzyl optionally substituted with halogen atoms or C1-C3haloalkyl;
• R2 is phenyl, pyridine, pyrimidine, pyrazine or pyridazine, wherein the phenyl, pyridine, pyrimidine, pyrazine or pyridazine is substituted with a total of one to three substituents, provided the substituent(s) are not on either carbon adjacent to the carbon bonded to the C=X-group and at least one and up to two substituent(s) are independently selected from a group consisting of
• C1-C3alkyl substituted with one to two substituents selected from the group consisting of
• —CN, C3-C4cycloalkyl, C3-C4halocycloalkyl, C1-C3haloalkoxy, C1-C3alkylthio, C1-C3alkylsulfinyl, C1-C3alkylsulfonyl, C3-C4cycloalkylthio, C3-C4cycloalkylsulfinyl, and C3-C4cycloalkylsulfonyl,
• or
• C1-C3 haloalkyl substituted with one to two substituents selected from the group consisting of
• ═O (oxo), —CN, C3-C4cycloalkyl, C3-C4halocycloalkyl, C1-C3alkoxy, C1-C3haloalkoxy, C1-C3alkylthio, C1-C3alkylsulfinyl, C1-C3alkylsulfonyl, C3-C4cycloalkylthio, C3-C4cycloalkylsulfinyl, and C3-C4cycloalkylsulfonyl,
• and the other second substituent is selected from the group consisting of
• hydrogen, halogen, hydroxy, —NH2, —CN, —NO2, C1-C3alkyl, C3-C6cycloalkyl, C1-C3haloalkyl, C1-C3alkoxy, C1-C3haloalkoxy, C1-C3alkylthio, C1-C3alkylsulfinyl, C1-C3alkylsulfonyl, C3-C4cycloalkylthio, C3-C4cycloalkylsulfinyl, C3-C4cycloalkylsulfonyl, C1-C3haloalkylthio, C1-C3haloalkylsulfinyl and C1-C3haloalkylsulfonyl;
• R3a, R3b are independently selected from the group consisting of hydrogen, halogen, and —CN;
• and C1-C4alkyl optionally substituted by one to three substituents independently selected from the group consisting of hydroxy, halogen —CN, —COOH, —CONH2, —NO2, —NH2, C1-C4alkyl, C3-C6cycloalkyl, C1-C4haloalkyl, C1-C4alkoxy, C1-C4haloalkoxy, C1-C4alkylthio, C1-C4alkylsulfinyl, C1-C4alkylsulfonyl, C1-C4haloalkylthio, C1-C4haloalkylsulfinyl, and C1-C4haloalkylsulfonyl;
• and C3-C6cycloalkyl optionally substituted with one to two substituents selected from the group consisting of halogen, —CN, —COOH, —CONH2, C1-C4alkyl, C1-C4haloalkyl, C3-C6cycloalkyl, C1-C4alkoxy, and C1-C4haloalkoxy;
• and C1-C4haloalkyl optionally substituted with one to two substituents selected from the group consisting of hydroxy, —CN, C3-C6cycloalkyl, C1-C4alkoxy, and C1-C4haloalkoxy;
• R4 is selected from the following substructures T1 to T6, in which the bond to the triazole is marked with a #:
• wherein
• X1 is the following substructure S4-a, in which the bond to the pyridine, pyrimidine, pyrazine or thiazole is marked with a #
• R41 is hydrogen or in each case optionally substituted C1-C4alkyl, C1-C4haloalkyl, C3-C6cycloalkyl, C1-C4alkyl-C3-C6cycloalkyl and phenyl;
• R42 is hydrogen or in each case optionally substituted C1-C4alkyl, C1-C4haloalkyl and C3-C6cycloalkyl;
• X2 is —CN or X1;
• R5 is selected from the group of hydrogen, halogen;
• and C1-C4alkyl, C1-C4haloalkyl, C3-C6cycloalkyl, C1-C4alkoxy, C1-C4haloalkoxy, (C1-C4alkoxy)2CH—, —CO2C1-C4alkyl, —C(═NOC1-C4alkyl)H, or —C(═NOC1-C4alkyl)-C1-C4alkyl.