申请人:FBC Limited
公开号:US04501605A1
公开(公告)日:1985-02-26
Novel herbicidal thiadiazoles of the formula: ##STR1## (wherein: R.sup.1 represents a group R.sup.a, --S(O)nR.sup.a or --SO.sub.2 NR.sup.a R.sup.b, where R.sup.a and R.sup.b, which may be the same or different, each represent hydrogen, cycloalkyl of 3 to 7 carbon atoms, alkenyl or alkynyl of 2 to 6 carbon atoms, phenyl, phenylalkyl of 7 to 10 carbon atoms, or alkyl of 1 to 10 carbon atoms, any phenyl or alkyl group present being optionally substituted by one or more halogen atoms, cyano groups, alkoxy or alkylthio groups of 1 to 4 carbon atoms, or phenoxy groups, or R.sup.a and R.sup.b together form an alkylene chain of 2 to 6 carbon atoms, and n represents 0, 1 or 2; X represents oxygen or sulphur; Z represents a group --NR.sup.c R.sup.d ; and Y represents a group --NR.sup.e R.sup.f or a group --N.dbd.CR.sup.e R.sup.f ; where R.sup.c, R.sup.d, R.sup.e and R.sup.f, which may be the same or different, each represent a group as defined for R.sup.a, or a carboxy, alkoxy, alkoxycarbonyl, acyl, acyloxy, alkylsulphonyl, cyano, formyl, amido or heterocyclyl group, any alkyl moiety of which is of 1 to 4 carbon atoms); and the acid addition salts thereof, compositions containing them and processes for their preparation.
新型杂环硫氮杂唑类除草剂的化学式为:##STR1##(其中:R.sup.1代表R.sup.a基团,--S(O)nR.sup.a基团或--SO.sub.2 NR.sup.a R.sup.b基团,其中R.sup.a和R.sup.b,可以相同也可以不同,每个代表氢、3至7个碳原子的环烷基、2至6个碳原子的烯基或炔基、苯基、7至10个碳原子的苯基烷基或1至10个碳原子的烷基,任何存在的苯基或烷基基团可以选择性地被一个或多个卤素原子、氰基、1至4个碳原子的烷氧基或烷硫基团或苯氧基取代,或者R.sup.a和R.sup.b一起形成2至6个碳原子的烷基链,n代表0、1或2;X代表氧或硫;Z代表--NR.sup.c R.sup.d基团;Y代表--NR.sup.e R.sup.f基团或--N.dbd.CR.sup.e R.sup.f基团;其中R.sup.c、R.sup.d、R.sup.e和R.sup.f,可以相同也可以不同,每个代表如R.sup.a定义的基团,或者羧基、烷氧基、烷氧羰基、酰基、酰氧基、烷基磺酰基、氰基、甲酰基、酰胺基或杂环烷基基团,其中任何烷基部分为1至4个碳原子);以及其酸盐、含有它们的组合物和其制备方法。