申请人:Ciba-Geigy Corporation
公开号:US04618360A1
公开(公告)日:1986-10-21
Novel cyclohexanedionecarboxylic acid derivatives have herbicidal and plant growth regulating properties. The cyclohexanedionecarboxylic acid derivatives have the formula I ##STR1## wherein A is an --OR.sub.2 or --NR.sub.3 R.sub.4 radical, B is hydroxyl, an --NHOR.sub.1 radical or a metal or ammonium salt thereof R is C.sub.1 -C.sub.6 alkyl or C.sub.3 -C.sub.6 cycloalkyl, each unsubstituted or substituted by halogen, C.sub.1 -C.sub.6 alkoxy or C.sub.2 -C.sub.4 alkythio, R.sub.1 is C.sub.1 -C.sub.6 alkyl, C.sub.1 -C.sub.6 haloalkyl, C.sub.3 -C.sub.6 alkenyl, C.sub.3 -C.sub.6 haloalkenyl or C.sub.3 -C.sub.6 alkynyl, R.sub.2, R.sub.3 and R.sub.4 are each independently hydrogen, C.sub.1 -C.sub.6 alkyl, C.sub.1 -C.sub.6 haloalkyl, C.sub.2 -C.sub.10 alkoxyalkyl, C.sub.2 -C.sub.10 alkylthioalkyl; C.sub.3 -C.sub.6 alkenyl which is unsubstituted or substituted by halogen, C.sub.1 -C.sub.4 alkoxy or C.sub.1 -C.sub.4 alkylthio; C.sub.3 -C.sub.6 alkynyl; phenyl or C.sub.1 -C.sub.6 aralkyl, wherein the phenyl nucleus is unsubstituted or substituted by halogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, C.sub.1 -C.sub.4 haloalkyl, nitro or cyano, and R.sub.3 and R.sub.4, together with the nitrogen atom to which they are attached, also form a 5- or 6-membered heterocyclic ring system which may contain an additional oxygen or sulfur atom in the ring.
新颖的环己二酮羧酸衍生物具有除草和植物生长调节性能。环己二酮羧酸衍生物具有以下化学式I ##STR1## 其中A是--OR.sub.2或--NR.sub.3 R.sub.4基团,B是羟基,--NHOR.sub.1基团或其金属或铵盐,R是C.sub.1-C.sub.6烷基或C.sub.3-C.sub.6环烷基,每个未取代或被卤素、C.sub.1-C.sub.6烷氧基或C.sub.2-C.sub.4烷硫基取代,R.sub.1是C.sub.1-C.sub.6烷基、C.sub.1-C.sub.6卤代烷基、C.sub.3-C.sub.6烯基、C.sub.3-C.sub.6卤代烯基或C.sub.3-C.sub.6炔基,R.sub.2、R.sub.3和R.sub.4各自独立地是氢、C.sub.1-C.sub.6烷基、C.sub.1-C.sub.6卤代烷基、C.sub.2-C.sub.10烷氧基烷基、C.sub.2-C.sub.10烷硫基烷基;C.sub.3-C.sub.6烯基,未取代或被卤素、C.sub.1-C.sub.4烷氧基或C.sub.1-C.sub.4烷硫基取代;C.sub.3-C.sub.6炔基;苯基或C.sub.1-C.sub.6芳基甲基,其中苯环未取代或被卤素、C.sub.1-C.sub.4烷基、C.sub.1-C.sub.4烷氧基、C.sub.1-C.sub.4卤代烷基、硝基或氰基取代,且R.sub.3和R.sub.4与它们连接的氮原子一起也形成一个含有额外氧或硫原子的5-或6元杂环系统。