申请人:Ciba-Geigy Corporation
公开号:US04693745A1
公开(公告)日:1987-09-15
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.3 -C.sub.6 cycloalkyl, 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; and the metal or ammonium salts thereof.
新型的环己二酮羧酸衍生物具有除草和植物生长调节的特性。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C3-C6环烷基,R2、R3和R4各自独立地是氢、C1-C6烷基、C1-C6卤代烷基、C2-C10烷氧基烷基、C2-C10烷硫基烷基、C3-C6烯基,该烯基可以是未取代或被卤素、C1-C4烷氧基或C1-C4烷硫基取代的烯基,C3-C6炔基,苯基或C1-C6芳基烷基,其中苯环核是未取代或被卤素、C1-C4烷基、C1-C4烷氧基、C1-C4卤代烷基、硝基或氰基取代的;R3和R4中的一个是甲氧基;或者R3和R4与它们连接的氮原子一起形成一个5-或6-成员的杂环环系统,该环系统可能在环中含有额外的氧或硫原子;以及它们的金属或铵盐。