FUNGICIDAL COMPOUNDS AND COMPOSITIONS

摘要

The invention provides fungicidal compositions comprising as an active ingredient a compound having the general formula (I): (I) or a stereoisomer thereof, wherein one of X and Y is hydrogen and the other is where R is H, methyl or ethyl; Z is carbonyl, or a derivative thereof, or is -CR3R4- or -CR3OR4 in which R3 and R4 are hydrogen or alkyl groups; R1 and R2, which may be the same or different, are alkyl groups containing from 1 to 4 carbon atoms, or R1 and R2 together with the adjacent nitrogen atom constitute an optionally substituted heterocyclic ring; and n is 0 or 1.