Abstract: The invention provides compounds of formula (I): where the substituents are as defined in the specification. The invention also provides processes for preparing the compounds, compositions comprising the compounds, methods of using the compounds and compositions to combat fungal diseases, and methods of using the compounds and compositions to combat or control insect, acarine, mollusc and nematode pests.

Abstract: 1 A compund of formula (I) wherein X is O or S; n is 0 or 1; Y is O, S or NR7; R1 is hydrogen, halogen, C1-6 aklyl, C1-6 haloalkyl, C1-6 alkoxy, C1-6 haloalkoxy, C1-6 alkylthio, C1-6 haloalkylthio, C3-6 cycloalkyl, C1-6 alkoxy(C1-6)alkyl or SF5, R2 is hydrogen, halogen, C1-6 alkyl, C1-6 alkoxy, C1-6 haloalkoxy, C1-6 alkylthio, C1-6 haloalkylthio, C1-6 alkylsulfinyl, C1-6 haloalkylsulfinyl, C1-6 alkylsulfonyl, C1-6 haloalkylsulfonyl, C1-6 haloalkyl, cyano, nitro, CHO, CH═NOR5, C1-6 alkylcarbonyl, C1-6 alkoxycarbonyl or SF5; or together R1 and R2 form a five or six membered saturated or unsturated carbocyclic ring, optionally substituted processes for preparing these compounds, compositions comprising them, methods of using them to combat fungal diseases and methods of using them to combat or control insect, acarine, mollusc and nematode pests.