Compounds of having the general formula (I): ##STR1## and stereoisomers thereof, wherein R.sup.1 is hydrogen, halogen, C.sub.1-4 alkoxy, C.sub.1-4 alkyl, C.sub.2-4 alkenyl, C.sub.2-4 alkynyl, C.sub.1-4 haloalkyl, C.sub.1-4 haloalkoxy, COR or cyano; R.sup.2, R.sup.3 and R.sup.4 are independently hydrogen, halogen or methyl, provided that R.sup.2, R.sup.3 and R.sup.4 are not all hydrogen and provided that when one of them is methyl then at least one of the other two is not hydrogen; ##STR2## wherein R.sup.5 is hydrogen, C.sub.1-4 alkyl (optionally substituted by hydrogen or cyano), optionally substituted benzyl, C.sub.2-4 alkenyl, C.sub.2-4 alkynyl, cyano, COR, C.sub.1-4 thioalkoxy, C.sub.1-4 thiohaloalkoxy or SNR.sup.7 R.sup.8 ; R.sup.7 and R.sup.8 are independently C.sub.1-4 alkyl or CO.sub.2 R; Y is oxygen or sulphur; R.sup.6 is C.sub.1-4 alkoxy, C.sub.1-4 thioalkoxy or --NR.sup.9 R.sup.10 ; and R.sup.9 and R.sup.10 are independently hydrogen, C.sub.1-4 alkyl, aryl or aralkyl or R.sup.9 and R.sup.10 join to form an optionally substituted heterocyclic ring and R is C.sub.1-4 alkyl or C.sub.3-7 cycloalkyl . These compounds are fungicidally active.
具有一般式(I)的化合物及其立体异构体,其中R.sup.1为氢、卤素、C.sub.1-4烷氧基、C.sub.1-4烷基、C.sub.2-4烯基、C.sub.2-4炔基、C.sub.1-4卤代烷基、C.sub.1-4卤代烷氧基、COR或
氰基;R.sup.2、R.sup.3和R.sup.4独立地为氢、卤素或甲基,但R.sup.2、R.sup.3和R.sup.4不能全为氢,且当其中一个为甲基时,另外两个至少有一个不是氢;其中R.sup.5为氢、C.sub.1-4烷基(可选地被氢或
氰基取代)、可选地被取代的苄基、C.sub.2-4烯基、C.sub.2-4炔基、
氰基、COR、C.sub.1-4
硫代烷氧基、C.sub.1-4
硫代卤代烷氧基或SNR.sup.7 R.sup.8;R.sup.7和R.sup.8独立地为C.sub.1-4烷基或CO.sub.2 R;Y为氧或
硫;R.sup.6为C.sub.1-4烷氧基、C.sub.1-4
硫代烷氧基或--NR.sup.9 R.sup.10;R.sup.9和R.sup.10独立地为氢、C.sub.1-4烷基、芳基或芳基烷基,或R.sup.9和R.sup.10结合形成一个可选地取代的杂环,并且R为C.sub.1-4烷基或C.sub.3-7环烷基。这些化合物具有杀真菌活性。