申请人:Ciba-Geigy Corporation
公开号:US04479821A1
公开(公告)日:1984-10-30
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 A is a C.sub.1 -C.sub.6 alkyl radical which is substituted by C.sub.1 -C.sub.4 alkoxy, C.sub.1 -C.sub.4 alkylthio, C.sub.1 -C.sub.4 alkylsulfinyl or C.sub.1 -C.sub.4 alkylsulfonyl, X is oxygen, sulfur, a sulfinyl or sulfonyl bridge, Z is oxygen or sulfur, m is 1 or 2, 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 or 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-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,A是一个由C.sub.1-C.sub.6烷基基团代替的C.sub.1-C.sub.6烷基基团,该基团被C.sub.1-C.sub.4烷氧基、C.sub.1-C.sub.4烷基硫醚、C.sub.1-C.sub.4烷基砜基或C.sub.1-C.sub.4烷基磺酰基取代,X是氧、硫、砜基或磺酰基桥,Z是氧或硫,m为1或2,R.sub.2是氢、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,或一个基团--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,是氢、C.sub.1-C.sub.4烷基、C.sub.1-C.sub.4烷氧基、C.sub.1-C.sub.4烷基硫醚、C.sub.1-C.sub.4卤代烷基、卤素或烷氧基烷基或最多4个碳原子,R.sub.5和R.sub.6,各自独立于其他,是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,是氢、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是氧、硫、砜基或磺酰基桥。