申请人:Bayer Aktiengesellschaft
公开号:US04481365A1
公开(公告)日:1984-11-06
A trifluoromethyl-phenoxy-phenyl-silicon compound is disclosed of the general formula ##STR1## in which X.sup.1 and X.sup.2 independently of each other represent a hydrogen, fluorine, chlorine, bromine or iodine atom, Y represents a hydrogen or halogen atom or a cyano or nitro group, n is 0 or 1, m is 0, 1, 2 or 3, p is 0, 1, 2 or 3, X.sup.3 and X.sup.4 independently of each other represent oxygen or a --CO--O-- group, R.sup.1, R.sup.2, R.sup.3 and R.sup.4 independently of one another represent a hydrogen atom or a C.sub.1 to C.sub.5 alkyl group, R.sup.5 and R.sup.6 independently of each other represent a C.sub.1 to C.sub.5 alkyl group, and R.sup.7 represents a C.sub.1 to C.sub.5 alkyl or hydroxyl group, a chlorine, bromine, or iodine atom or a C.sub.2 to C.sub.5 alkenoxy, C.sub.2 to C.sub.5 alkinoxy, C.sub.1 to C.sub.5 alkylthio, C.sub.2 to C.sub.5 alkenyl-thio or C.sub.2 to C.sub.5 alkinyl-thio group or a C.sub.1 to C.sub.5 alkoxy group which is straight-chain or branched and optionally substituted by fluorine, chlorine, bromine, iodine, C.sub.1 to C.sub.5 alkoxy and/or C.sub.1 to C.sub.5 alkylthio, or represents a radical of the general formula ##STR2## wherein R.sup.8 and R.sup.9 independently of each other represent a phenyl radical which is optionally substituted by fluorine, bromine, and/or iodine, or represent a straight-chain or branched C.sub.1 to C.sub.5 alkyl, C.sub.2 to C.sub.5 alkenyl or C.sub.2 to C.sub.5 alkinyl group, or wherein R.sup.8 and R.sup.9, together with the nitrogen atom to which they are bonded, represent a pyrrolidyl radical which is optionally substituted by methyl and/or ethyl, represent a morpholinyl radical which is optionally substituted by methyl, or represent an azacycloheptyl, piperidyl, 3-methyl-piperidyl, 4-methyl-piperidyl, 2-ethyl-piperidyl, 4-ethyl-piperidyl, 2,3-dimethyl-piperidyl, 2,4-dimethyl-piperidyl, 2,5-dimethyl-piperidyl, or 3,5-dimethyl-piperidyl radical. The trifluoromethyl-phenoxy-phenyl-silicon compounds are useful as herbicides and plant growth regulators. Disclosed are compositions containing the same and methods for their preparation.
本发明披露了一种三氟甲基苯氧基苯基硅化合物,其一般式为##STR1## 其中X1和X2各自独立地表示氢、氟、氯、溴或碘原子,Y表示氢或卤素原子或氰基或硝基基团,n为0或1,m为0、1、2或3,p为0、1、2或3,X3和X4各自独立地表示氧或--CO--O--基团,R1、R2、R3和R4各自独立地表示氢原子或C1到C5烷基,R5和R6各自独立地表示C1到C5烷基,R7表示C1到C5烷基或羟基、氯、溴或碘原子或C2到C5烯氧基、C2到C5炔氧基、C1到C5烷基硫基、C2到C5烯基硫基或C2到C5炔基硫基或C1到C5烷氧基,其为直链或支链并可选地被氟、氯、溴、碘、C1到C5烷氧基和/或C1到C5烷基硫基取代,或表示一般式##STR2## 中R8和R9各自独立地表示苯基基团,该基团可选地被氟、溴和/或碘取代,或表示直链或支链C1到C5烷基、C2到C5烯基或C2到C5炔基,或表示R8和R9与它们连接的氮原子一起表示可选地被甲基和/或乙基取代的吡咯基基团,表示可选地被甲基取代的吗啉基团,或表示一种氮杂环庚基、哌啶基、3-甲基哌啶基、4-甲基哌啶基、2-乙基哌啶基、4-乙基哌啶基、2,3-二甲基哌啶基、2,4-二甲基哌啶基、2,5-二甲基哌啶基或3,5-二甲基哌啶基基团。该三氟甲基苯氧基苯基硅化合物可用作除草剂和植物生长调节剂。本发明还披露了含有该化合物的组合物和其制备方法。