Compounds of formula (I): ##STR1## or a stereoisomer thereof, wherein W is R.sup.1 O.sub.2 C--C.dbd.CH--ZR.sub.2, wherein R.sup.1 and R.sup.2, which are the same of different, are C.sub.1 -C.sub.4 alkyl or C.sub.1 -C.sub.4 fluoroalkyl containing one, two or three fluorine atoms and Z is either an oxygen or sulphur atom; A is a sulphur atom; X is optionally substituted pyrimidinyl joined to the thienyl ring by a link --OCH.sub.2 --, --CH.sub.2 CH.sub.2 --, --CH.dbd.CH--, --O--, --S--; and X and Z.sup.1 are selected from the group consisting of hydrogen, halo, C.sub.1 -C.sub.4 alkyl, halo (C.sub.1 -C.sub.4) alkyl, cyano and formyl. The compounds are useful in agriculture, especially as fungicides but also as insecticides and plant growth regulators.
化合物的公式为(I):##STR1## 或其立体异构体,其中W为R.sup.1 O.sub.2 C--C.dbd.CH--ZR.sub.2,其中R.sup.1和R.sup.2相同或不同,为C.sub.1-C.sub.4烷基或含有一、两或三个
氟原子的C.sub.1-C.sub.4氟烷基,Z为氧原子或
硫原子;A为
硫原子;X为可选择的取代
嘧啶基,通过链--OCH.sub.2 --、--CH.sub.2 CH.sub.2 --、--CH.dbd.CH--、--O--、--S--连接到
噻吩环上;X和Z.sup.1选自氢、卤素、C.sub.1-C.sub.4烷基、卤素(C.sub.1-C.sub.4)烷基、
氰基和甲酰基的群。这些化合物在农业中有用,特别是作为杀菌剂,也可以作为
杀虫剂和
植物生长调节剂。