申请人:Ciba-Geigy Corporation
公开号:US04759791A1
公开(公告)日:1988-07-26
N-(3,4-Dihydro-2,2-dioxo-1,2-benzoxathiin-8-ylsulfonyl)-N'-pyrimidinylureas , N-(3,4-dihydro-2,2-dioxo-1,2-benzoxathiin-8-yl-sulfonyl)-N'-triazolylurea s and N-(3,4-dihydro-2,2-dioxo-1,2-benzoxathiin-8-ylsulfonyl)-N'-triazinylureas of the formula ##STR1## wherein R.sup.1 is hydrogen, halogen, nitro, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 haloalkyl, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 haloalkoxy, C.sub.1 -C.sub.4 alkoxycarbonyl, C.sub.1 -C.sub.4 alkylthio, C.sub.1 -C.sub.4 alkylsulfinyl, C.sub.1 -C.sub.4 alkylsulfonyl or C.sub.2 -C.sub.5 alkoxyalkoxy, R.sup.2 and R.sup.3 are each independently of the other hydrogen or C.sub.1 -C.sub.4 -alkyl, R.sup.4 is hydrogen, methyl or ethyl, W is oxygen or sulfur, and A is a radical ##STR2## in which formulae the substituents E.sup.1, E.sup.2, X.sup.1, X.sup.2, X.sup.3, X.sup.4, X.sup.5, X.sup.6, X.sup.7, X.sup.8, Y.sup.1, Y.sup.2, Y.sup.3, Y.sup.4, Y.sup.6, Y.sup.61, Y.sup.8, Y.sup.81, Z.sup.3 and Z.sup.5 are customary organic radicals, and the salts thereof with amines, alkali metal bases or alkaline earth metal bases or with quaternary ammonium bases have good pre- and postemergence selective herbicidal and growth regulating properties.
N-(3,4-二氢-2,2-二氧-1,2-苯并噻吩-8-基磺酰基)-N'-嘧啶基脲,N-(3,4-二氢-2,2-二氧-1,2-苯并噻吩-8-基磺酰基)-N'-三唑基脲和N-(3,4-二氢-2,2-二氧-1,2-苯并噻吩-8-基磺酰基)-N'-三嗪基脲的化学式如下:其中R.sup.1为氢、卤素、硝基、C.sub.1-C.sub.4烷基、C.sub.1-C.sub.4卤代烷基、C.sub.1-C.sub.4-烷氧基、C.sub.1-C.sub.4卤代烷氧基、C.sub.1-C.sub.4烷氧羰基、C.sub.1-C.sub.4烷基硫醚基、C.sub.1-C.sub.4烷基亚砜基、C.sub.1-C.sub.4烷基磺酰基或C.sub.2-C.sub.5烷氧基烷氧基,R.sup.2和R.sup.3各自独立地为氢或C.sub.1-C.sub.4-烷基,R.sup.4为氢、甲基或乙基,W为氧或硫,A为一个基团:在这些化学式中,取代基E.sup.1、E.sup.2、X.sup.1、X.sup.2、X.sup.3、X.sup.4、X.sup.5、X.sup.6、X.sup.7、X.sup.8、Y.sup.1、Y.sup.2、Y.sup.3、Y.sup.4、Y.sup.6、Y.sup.61、Y.sup.8、Y.sup.81、Z.sup.3和Z.sup.5为惯用的有机基团,它们与胺、碱金属碱或碱土金属碱或季铵基盐具有良好的前期和后期选择性除草和生长调节性能。