申请人:Shell International Research Maatschappij B. V.
公开号:US05062882A1
公开(公告)日:1991-11-05
Triazine herbicides of the general formula I ##STR1## wherein R.sup.1 and R.sup.2 each independently represent a hydrogen or halogen atom, or an optionally substituted alkyl, alkenyl, alkynyl, cycloalkyl, alkoxy, alkenyloxy, alkynyloxy, aryloxy, alkylthio, alkenylthio, alkynylthio, arylthio or amino group, or a formyl, optionally substituted alkylcarbonyl, cyano, carboxy, optionally substituted alkoxycarbonyl, dialkylaminoxy, dialkyliminoxy or azido group; X represents an oxygen or sulphur atom or a group --SO.sub.2 --, --SO--, or --NR.sup.4 --where R.sup.4 represents a hydrogen atom or an optionally substituted alkyl group; n is an integer from 1 to 4; Y represents a hydrogen atom or the or each Y each independently represents a halogen atom, a hydroxy group or an optionally substituted alkyl, alkenyl, alkynyl, aryl alkoxy, alkenyloxy, alkynyloxy, aryloxy, heterocyclyloxy, alkylthio, alkenylthio, alkynylthio, arylthio or amino group, or a formyl, optionally substituted alkylcarbonyl, cyano or nitro group, or, when n is at least 2, two groups Y may be linked to form a fused saturated or unsaturated carbocyclic or heterocyclic ring; and Z represents a hydroxyalkyl, hydroxybenzyl, or mono--, di--or trialkoxyalkyl group, a group --CH.dbd.NOH, or an optionally esterified carboxyalkyl group, or a group COR.sup.3 where R.sup.3 represents a hydrogen or halogen atom, or a hydroxy group, or an optionally substituted alkyl, aryl, alkenyl, alkynyl, alkoxy, alkenyloxy, alkynyloxy, cycloalkyloxy, aryloxy, dialkylaminoxy, dialkyliminoxy, amino, alkylthio, arylthio, alkenylthio or alkynylthio group, or R.sup.3 represents a group --OR.sup.5 where R.sup.5 represents an optionally substituted heterocyclic ring; or a carboxylic acid salt of a compound of general formula I with an equivalent amount of an inorganic or organic cation, together with at least one carrier.
通式I的三嗪类除草剂,其中R1和R2分别独立地表示氢或卤素原子,或者是可选取代的烷基、烯基、炔基、环烷基、烷氧基、烯氧基、炔氧基、芳氧基、烷硫基、烯硫基、炔硫基、芳硫基或氨基,或者是甲酰基、可选取代的烷基羰基、氰基、羧基、可选取代的烷氧基羰基、二烷基氧基、二烷基亚氨基氧基或偶氮基;X表示氧或硫原子或者是基团--SO2--、--SO--或--NR4--,其中R4表示氢原子或可选取代的烷基;n为1到4的整数;Y表示氢原子或者每个Y独立地表示卤素原子、羟基或可选取代的烷基、烯基、炔基、芳基烷氧基、烯氧基、炔氧基、芳氧基、杂环基氧基、烷硫基、烯硫基、炔硫基、芳硫基或氨基,或者是甲酰基、可选取代的烷基羰基、氰基或硝基,或者当n至少为2时,两个Y基团可以连接形成螺环饱和或不饱和的碳环或杂环;Z表示羟基烷基、羟基苄基、或单、双或三烷氧基烷基基团,基团--CH=NOH,或者是可选酯化的羧基烷基基团,或者是基团COR3,其中R3表示氢或卤素原子、羟基或可选取代的烷基、芳基、烯基、炔基、烷氧基、烯氧基、炔氧基、环烷基氧基、芳氧基、二烷基氨基氧基、二烷基亚氨基氧基、氨基、烷硫基、芳硫基、烯硫基或炔硫基基团,或者R3表示基团--OR5,其中R5表示可选取代的杂环环基;或者是式I通式化合物的羧酸盐,与等量的无机或有机阳离子一起,以及至少一种载体。