申请人:CIBA-GEIGY Corporation
公开号:US04605434A1
公开(公告)日:1986-08-12
(2-Nitro-5-aryloxy-phenylamino)-alkylphosphine oxide derivatives of the 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.sup.1 is hydrogen, C.sub.1 -C.sub.4 -alkyl, or aralkyl having 1-4 carbon atoms in the alkyl moiety, R.sup.2 is hydrogen or C.sub.1 -C.sub.4 -alkyl, R.sup.3 is hydrogen, C.sub.1 -C.sub.4 -alkyl, phenyl, benzyl or C.sub.1 -C.sub.4 -alkylbenzyl, R.sup.4 and R.sup.5 independently of one another are each C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -haloalkyl, C.sub.2 -C.sub.6 -alkoxyalkyl, or aralkyl having 1-4 carbon atoms in the alkyl moiety, m is zero to 3, and n is 1 to 3, have useful herbicidal properties.
式I中的(2-硝基-5-芳氧基-苯基氨基)-烷基膦氧衍生物,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.sup.1为氢,C.sub.1-C.sub.4-烷基或在烷基中有1-4个碳原子的芳基烷基,R.sup.2为氢或C.sub.1-C.sub.4-烷基,R.sup.3为氢,C.sub.1-C.sub.4-烷基,苯基,苄基或C.sub.1-C.sub.4-烷基苄基,R.sup.4和R.sup.5各自独立地为C.sub.1-C.sub.4-烷基,C.sub.1-C.sub.4-卤代烷基,C.sub.2-C.sub.6-烷氧基烷基或在烷基中有1-4个碳原子的芳基烷基,m为零至3,n为1至3,具有有用的除草剂特性。