申请人:Ciba-Geigy Corporation
公开号:US04579584A1
公开(公告)日:1986-04-01
N-phenylsulfonyl-N'-pyrimidinyl- and -triazinylureas of the general formula ##STR1## and the salts of these compounds with amines, alkali metal or alkaline-earth metal bases or with quaternary ammonium bases have good selective, pre- and post-emergence, herbicidal and growth-regulating properties. The symbols in this formula have the following meanings: A is a C.sub.3 -C.sub.6 -alkynyl group, a C.sub.1 -C.sub.6 -alkyl group which is substituted by halogen, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -alkylthio, C.sub.1 -C.sub.4 - alkylsulfinyl, C.sub.1 -C.sub.4 -alkylsulfonyl, C.sub.1 -C.sub.4 -haloalkoxy, C.sub.1 -C.sub.4 -haloalkylthio, C.sub.1 -C.sub.4 -haloalkylsulfinyl or C.sub.1 -C.sub.4 -haloalkylsulfonyl, or it is a C.sub.2 -C.sub.6 -alkenyl group substituted by one of the above substituents, E is the methine group or nitrogen, X is oxygen, sulfur, or a sulfinyl or sulfonyl bridge, Z is oxygen or sulfur, m is the number one or two, R.sub.1 is hydrogen, halogen, C.sub.1 -C.sub.5 -alkyl, C.sub.2 -C.sub.5 -alkenyl, or a --Y--R.sub.6 group, R.sub.2 is hydrogen, halogen, C.sub.1 -C.sub.5 -alkyl, C.sub.2 -C.sub.5 -alkenyl or C.sub.1 -C.sub.4 -haloalkyl, or a group --Y--R.sub.6, --COOR.sub.7, --NO.sub.2 or --CO--NR.sub.8 --R.sub.9, R.sub.3 is 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, C.sub.1 -C.sub.4 -haloalkoxy, halogen or alkoxyalkyl having at most 4 carbon atoms, R.sub.4 is hydrogen, methyl or ethyl, R.sub.5 is hydrogen, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.3 -alkoxy, methoxymethyl, cyanomethyl or cyanoethyl, R.sub.6 and R.sub.7 are each C.sub.1 -C.sub.5 -alkyl, C.sub.2 -C.sub.5 -alkenyl or C.sub.2 -C.sub.6 -alkynyl, R.sub.8 and R.sub.9 independently of one another are each 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, or a sulfinyl or sulfonyl bridge, and A can also be C.sub.2 -C.sub.6 -alkenyl when X is oxygen.
通式##STR1##中,N-苯磺酰-N'-
嘧啶基和三嗪基
脲,以及这些化合物与胺、碱
金属或碱土
金属基或季
铵基的盐具有良好的选择性、前、后除草和生长调节性能。该式中符号的含义如下:A是C.sub.3-C.sub.6-炔基、被卤素取代的C.sub.1-C.sub.6-烷基、C.sub.1-C.sub.4-烷氧基、C.sub.1-C.sub.4-烷
硫基、C.sub.1-C.sub.4-烷基亚
硫酰基、C.sub.1-C.sub.4-烷基磺酰基、C.sub.1-C.sub.4-卤代烷氧基、C.sub.1-C.sub.4-卤代烷
硫基、C.sub.1-C.sub.4-卤代烷基亚
硫酰基或C.sub.1-C.sub.4-卤代烷基磺酰基,或被上述取代基之一取代的C.sub.2-C.sub.6-烯基,E是甲基或氮,X是氧、
硫或亚
硫酰基或磺酰基桥,Z是氧或
硫,m是数值1或2,R.sub.1是氢、卤素、C.sub.1-C.sub.5-烷基、C.sub.2-C.sub.5-烯基或--Y--R.sub.6基,R.sub.2是氢、卤素、C.sub.1-C.sub.5-烷基、C.sub.2-C.sub.5-烯基或C.sub.1-C.sub.4-卤代烷基,或--Y--R.sub.6、--COOR.sub.7、--NO.sub.2或--CO--NR.sub.8--R.sub.9基团,R.sub.3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
硫基、C.sub.1-C.sub.4-卤代烷基、C.sub.1-C.sub.4-卤代烷氧基、卤素或最多有4个碳原子的烷氧基烷基,R.sub.4是氢、甲基或乙基,R.sub.5是氢、C.sub.1-C.sub.4-烷基、C.sub.1-C.sub.3-烷氧基、甲氧甲基、
氰基甲基或
氰基乙基,R.sub.6和R.sub.7各自是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.8和R.sub.9各自独立地是氢、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、
硫或亚
硫酰基或磺酰基桥,当X是氧时,A也可以是C.sub.2-C.sub.6-烯基。