申请人:Ciba Geigy Corporation
公开号:US04514212A1
公开(公告)日:1985-04-30
N-Phenylsulfonyl-N'-triazinylureas of the general formula ##STR1## and the salts thereof with amines, alkali metal or alkaline earth metal bases or with quaternary ammonium bases, have good pre- and postemergence selective herbicidal and growth regulating properties. In the above formula Q is fluorine, fluoromethyl, chloromethyl, trichloromethyl, 1,2-dichloroethyl, 1,2-dibromoethyl, 1,2-dichloropropyl, 1,2-dibromopropyl, 1,2-dibromoisobutyl, 1,2-dichloro-1-methyl-ethyl or 1,2-dibromo-1-methyl-ethyl, X is oxygen, sulfur, a sulfinyl or sulfonyl bridge, Z is oxygen or sulfur, R.sub.2 is hydrogen, halogen, C.sub.1 -C.sub.5 alkyl, C.sub.2 -C.sub.5 alkenyl, C.sub.1 -C.sub.4 haloalkyl, or a radical --Y--R.sub.5, --COOR.sub.6, --NO.sub.2 or --CO--NR.sub.7 --R.sub.8, R.sub.3 and R.sub.4, each independently of the other, are hydrogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, C.sub.1 -C.sub.4 alkylthio, C.sub.1 -C.sub.4 haloalkyl, halogen or alkoxyalkyl of at most 4 carbon atoms, R.sub.5 and R.sub.6, each independently of the other, are C.sub.1 -C.sub.5 alkyl, C.sub.2 -C.sub.5 alkenyl or C.sub.2 -C.sub.6 alkynyl, R.sub.7 and R.sub.8, each independently of the other, are hydrogen, C.sub.1 -C.sub.5 alkyl, C.sub.2 -C.sub.5 alkenyl or C.sub.2 -C.sub.6 alkynyl, and Y is oxygen, sulfur, a sulfinyl or sulfonyl bridge.
N-苯磺酰基-N'-三嗪基脲的一般式##STR1##及其与胺、碱金属或碱土金属碱或季铵碱的盐具有良好的前期和后期选择性除草和生长调节性能。在上述式中,Q为氟、氟甲基、氯甲基、三氯甲基、1,2-二氯乙基、1,2-二溴乙基、1,2-二氯丙基、1,2-二溴丙基、1,2-二溴异丁基、1,2-二氯-1-甲基乙基或1,2-二溴-1-甲基乙基,X为氧、硫、亚砜或磺酰桥,Z为氧或硫,R.sub.2为氢、卤素、C.sub.1-C.sub.5烷基、C.sub.2-C.sub.5烯基、C.sub.1-C.sub.4卤代烷基,或基团--Y--R.sub.5,--COOR.sub.6,--NO.sub.2或--CO--NR.sub.7--R.sub.8,R.sub.3和R.sub.4,各自独立于其他,为氢、C.sub.1-C.sub.4烷基、C.sub.1-C.sub.4烷氧基、C.sub.1-C.sub.4烷硫氧基、C.sub.1-C.sub.4卤代烷基、卤素或最多4个碳原子的烷氧基,R.sub.5和R.sub.6,各自独立于其他,为C.sub.1-C.sub.5烷基、C.sub.2-C.sub.5烯基或C.sub.2-C.sub.6炔基,R.sub.7和R.sub.8,各自独立于其他,为氢、C.sub.1-C.sub.5烷基、C.sub.2-C.sub.5烯基或C.sub.2-C.sub.6炔基,Y为氧、硫、亚砜或磺酰桥。