申请人:Ciba-Geigy Corporation
公开号:US04944792A1
公开(公告)日:1990-07-31
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.
通式为##STR1##的N-苯基磺酰-N'-嘧啶基和三嗪基脲,以及这些化合物与胺、碱金属或碱土金属碱或季铵碱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-烷基亚磺基、C.sub.1-C.sub.4-烷基磺基、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-卤代烷基亚磺基或C.sub.1-C.sub.4-卤代烷基磺基,或是被上述取代基之一取代的C.sub.2-C.sub.6-烯基;E是亚甲基或氮;X是氧、硫或亚磺基或磺基桥;Z是氧或硫;m的值为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基团;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,或是--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均为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.8和R.sub.9独立地为氢、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是氧、硫或亚磺基或磺基桥;当X为氧时,A还可以是C.sub.2-C.sub.6-烯基。