COMPOSTO ISOMEROS(E),PROCESSO PARA A PREPARACAO DE UM COMPOSTO,COMPOSICAO FUNGICIDA E PROCESSO PARA COMBATER FUNGOS

摘要

Fungicidal compounds of the formula (I) : and stereoisomers thereof, wherein R<1> is optionally substituted aryl or optionally substituted heteroaryl; Y is oxygen, sulphur or NR<4>; R<2>, R<3> and R<4>, which may be the same or different, are hydrogen, C1-4 alkyl or C2-4 alkenyl; X is halogen, C1-4 alkyl, C2-4 alkenyl, C1-4 alkoxy, nitro or cyano; and n is 0 or an integer of 1 to 4; provided that when Y is oxygen, n is 0 and R<1> is unsubstituted phenyl at least one of R<2> and R<3> is other than hydrogen or methyl.