申请人:Ciba-Geigy Corporation
公开号:US04618358A1
公开(公告)日:1986-10-21
The present invention relates to (2-nitro-5-aryloxyphenylamino)alkylphosphonic, -alkylphosphinic and -alkylphosphonous acid derivatives of the general formula I ##STR1## wherein X is halogen, CF.sub.3, NO.sub.2, CN, CONH.sub.2 or CSNH.sub.2, Y is nitrogen or --CH.dbd., R is hydrogen, C.sub.1 -C.sub.4 alkyl or aralkyl containing 1 to 4 carbon atoms in the alkyl moiety, R.sub.1 is C.sub.1 -C.sub.4 alkyl, R.sub.2 is C.sub.1 -C.sub.4 alkyl, phenyl or --PO(OR.sub.6).sub.2, R.sub.3 is hydrogen or C.sub.1 -C.sub.4 alkyl, R.sub.4 is hydrogen, C.sub.1 -C.sub.4 alkyl or a cation, R.sub.5 is hydrogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 haloalkyl, C.sub.1 -C.sub.4 alkoxy, hydroxyl or an --O-cation group, R.sub.6 is hydrogen or C.sub.1 -C.sub.4 alkyl, m is a value from 0 to 3, n is 0 or 1, p is a value from 0 to 3, and q is 0 or 1, with the proviso that R.sub.1 and R.sub.3 taken together may also be an unsubstituted or substituted C.sub.1 -C.sub.3 alkylene chain and at least one of the symbols n, p and q is a value different from 0. These compounds have useful herbicidal properties.
本发明涉及通式I的(2-硝基-5-芳氧基苯基氨基)烷基膦酸、烷基膦酸和烷基膦酸衍生物,其中X为卤素、CF.sub.3、NO.sub.2、CN、CONH.sub.2或CSNH.sub.2,Y为氮或--CH.dbd.,R为氢、含有1至4个碳原子的C.sub.1-C.sub.4烷基或芳基烷基,R.sub.1为C.sub.1-C.sub.4烷基,R.sub.2为C.sub.1-C.sub.4烷基、苯基或--PO(OR.sub.6).sub.2,R.sub.3为氢或C.sub.1-C.sub.4烷基,R.sub.4为氢、C.sub.1-C.sub.4烷基或阳离子,R.sub.5为氢、C.sub.1-C.sub.4烷基、C.sub.1-C.sub.4卤代烷基、C.sub.1-C.sub.4烷氧基、羟基或--O-阳离子基团,R.sub.6为氢或C.sub.1-C.sub.4烷基,m为0至3的值,n为0或1,p为0至3的值,q为0或1,但R.sub.1和R.sub.3结合在一起也可以是未取代或取代的C.sub.1-C.sub.3烷基链,且n、p和q中至少一个符号的值不为0。这些化合物具有有用的除草特性。