申请人:Ciba-Geigy Corporation
公开号:US04739068A1
公开(公告)日:1988-04-19
N-Phenylsulfonyl-N'-pyrimidinylureas and --N'-triazinylureas of the general formula ##STR1## and the salts of these compounds with amines, alkali metal bases and alkaline earth metal bases or with quaternary ammonium bases, have good selective herbicidal and plant growth regulating properties when applied pre- and postemergence. In the formula R.sub.1 is hydrogen, halogen, nitro, C.sub.1 -C.sub.4 haloalkyl, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, C.sub.2 -C.sub.5 alkenyl or C.sub.1 -C.sub.4 alkoxycarbonyl, R.sub.2 is C.sub.1 -C.sub.3 alkyl or C.sub.1 -C.sub.3 alkoxy, each unsubstituted or substituted by 1 to 3 halogen atoms, R.sub.3 is halogen, hydrogen, --NR.sub.4 R.sub.5, C.sub.1 -C.sub.3 alkyl, unsubstituted or substituted by 1 to 3 halogen atoms or C.sub.1 -C.sub.4 alkoxy, or is C.sub.1 -C.sub.3 alkoxy, unsubstituted or substituted by methoxy, ethoxy, or 1 to 3 halogen atoms, R.sub.4 is hydrogen or methyl, R.sub.5 is hydrogen, C.sub.1 -C.sub.2 alkyl or methoxy, A is C.sub.1 -C.sub.4 alkylene or C.sub.2 -C.sub.4 alkenylene, each unsubstituted or substituted by C.sub.1 -C.sub.4 alkyl, m is 0 or 1, E is nitrogen or the methine group, X is oxygen, sulfur, --SO-- or --SO.sub.2 --, and Q is hydroxyl, cyano or radicals selected from the group consisting of 5- or 6-membered heterocyclic rings and fused homologues, amines, acetals, esters, ketones, phenyls, sulfonic acid and carboxylic acids, which radicals may be further substituted and have functional structures.
通式为##STR1##的N-苯磺酰-N'-
嘧啶脲和N'-三嗪基
脲,以及这些化合物与胺、碱
金属碱、碱土
金属碱或季
铵碱的盐,在预出苗和出苗后的植物生长调节和选择性除草方面具有良好的性能。其中,R.sub.1为氢、卤素、硝基、C.sub.1-C.sub.4卤代烷基、C.sub.1-C.sub.4烷基、C.sub.1-C.sub.4烷氧基、C.sub.2-C.sub.5烯基或C.sub.1-C.sub.4烷氧羰基;R.sub.2为C.sub.1-C.sub.3烷基或C.sub.1-C.sub.3烷氧基,每个未取代或取代1至3个卤素原子;R.sub.3为卤素、氢、--NR.sub.4 R.sub.5、C.sub.1-C.sub.3烷基,未取代或取代1至3个卤素原子或C.sub.1-C.sub.4烷氧基,或为C.sub.1-C.sub.3烷氧基,未取代或取代为甲氧基、乙氧基或1至3个卤素原子;R.sub.4为氢或甲基;R.sub.5为氢、C.sub.1-C.sub.2烷基或甲氧基;A为C.sub.1-C.sub.4亚烷基或C.sub.2-C.sub.4烯亚烷基,未取代或取代为C.sub.1-C.sub.4烷基;m为0或1;E为氮或亚甲基基团;X为氧、
硫、--SO--或--SO.sub.2--;Q为羟基、
氰基或从5-或6-成员杂环和融合同系物、胺、
缩醛、酯、酮、苯基、
磺酸和
羧酸的基团中选择的基团,这些基团可能进一步取代并具有功能结构。