申请人:Ciba-Geigy Corporation
公开号:US04623382A1
公开(公告)日:1986-11-18
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, R is C.sub.1 -C.sub.6 alkyl or C.sub.3 -C.sub.6 cycloaklyl, each unsubstituted or substituted by halogen, C.sub.1 -C.sub.6 alkoxy or C.sub.2 -C.sub.4 alkylthio, 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; one of R.sub.3 and R.sub.4 is methoxy or R.sub.3 and R.sub.4, together with the nitrogen atom to which they are attached, form a 5- or 6-membered heterocyclic ring system which may contain an additional oxygen or sulfur atom in the ring or a metal or ammonium salt thereof.
新型环己二酮羧酸衍生物具有除草和植物生长调节性质。环己二酮羧酸衍生物的化学式为I,其中A是--OR₂或--NR₃R₄基团,R是C₁-C₆烷基或C₃-C₆环烷基,每个基团未取代或取代为卤素、C₁-C₆烷氧基或C₂-C₄烷基硫基,R₁是C₁-C₆烷基、C₁-C₆卤代烷基、C₃-C₆烯基、C₃-C₆卤代烯基或C₃-C₆炔基,R₂、R₃和R₄分别独立地是氢、C₁-C₆烷基、C₁-C₆卤代烷基、C₂-C₁₀烷氧基烷基、C₂-C₁₀烷基硫基烷基;未取代或取代为卤素、C₁-C₄烷氧基或C₁-C₄烷基硫基的C₃-C₆烯基;C₃-C₆炔基;苯基或C₁-C₆芳基烷基,其中苯环未取代或取代为卤素;C₁-C₄烷基、C₁-C₄烷氧基、C₁-C₄卤代烷基、硝基或氰基;R₃和R₄中的一个是甲氧基,或R₃和R₄与它们连接的氮原子一起形成一个含有额外氧或硫原子的5-或6-成员杂环系统,或其金属盐或铵盐。