Triazolopyrimidine compounds and their use for controlling pathogenic fungi

摘要

The present invention relates to novel triazolopyrimidine compounds of the formula I in which: X is halogen, cyano, C₁-C₄-alkyl, C₁-C₄-haloalkyl, C₁-C₄-alkoxy or C₁-C₂-haloalkoxy; W is oxygen or sulfur; Y is O-R⁴ or a group NR⁵R⁶; A is a chemical bond or a group CR⁷R⁸; and the variables L, R¹ to R⁷ are as defined in claim 1. The present invention furthermore provides the use of the triazolopyrimidine compounds of the formula I, their tautomers and their agriculturally acceptable salts for controlling phytopathogenic fungi (=harmful fungi) and a method for controlling phytopathogenic harmful fungi, which method comprises treating the fungi or the materials, plants, the soil or seed to be protected against fungal attack with an effective amount of a compound of the formula I, a tautomer of I and/or an agriculturally acceptable salt of I or a tautomer thereof.