申请人:Stauffer Chemical Company
公开号:US04681621A1
公开(公告)日:1987-07-21
Compounds of the formula ##STR1## wherein R is halogen, preferably chlorine or bromine; C.sub.1 -C.sub.4 alkoxy, preferably methoxy; nitro; cyano; --S(O).sub.n R' wherein n is the integer 0, 1 or 2, preferably 2 and R' is C.sub.1 -C.sub.4 alkyl, preferably methyl; or R is C.sub.1 -C.sub.4 alkyl or methyl and most preferably R is chlorine, bromine, methoxy, nitro, methyl or CF.sub.3 ; R.sup.1 is hydrogen or C.sub.1 -C.sub.4 alkyl; R.sup.2 is hydrogen, C.sub.1 -C.sub.4 alkyl or ##STR2## wherein R.sup.a is C.sub.1 -C.sub.4 alkyl; R.sup.1 and R.sup.2 together are alkylene having 3 to 6 carbon atoms; R.sup.3 is hydrogen or C.sub.1 -C.sub.4 alkyl; R.sup.4 is hydrogen or C.sub.1 -C.sub.4 alkyl; and R.sup.5 and R.sup.6 independently are (1) hydrogen; (2) halogen; (3) C.sub.1 -C.sub.4 alkyl; (4) C.sub.1 -C.sub.4 alkoxy; (5) OCF.sub.3 ; (6) cyano; (7) nitro; (8) C.sub.1 -C.sub.4 haloalkyl; (9) R.sup.b SO.sub.n -- wherein n is the integer 0, 1, or 2; and R.sup.b is (a) C.sub.1 -C.sub.4 alkyl; (b) C.sub.1 -C.sub.4 alkyl substituted with halogen or cyano; (c) phenyl; or (d) benzyl; (10) --NR.sup.c R.sup.d wherein R.sup.c and R.sup.d independently are hydrogen or C.sub.1 -C.sub.4 alkyl; (11) R.sup.e C(O)-- wherein R.sup.e is C.sub.1 -C.sub.4 alkyl or C.sub.1 -C.sub.4 alkoxy; or (12) SO.sub.2 NR.sup.c R.sup.d wherein R.sup.c and R.sup.d are as defined are effective as herbicides.
分子式为##STR1##的化合物,其中R是卤素,优选氯或溴;C.sub.1-C.sub.4烷氧基,优选甲氧基;硝基;氰基;--S(O).sub.n R',其中n是整数0、1或2,优选2,R'是C.sub.1-C.sub.4烷基,优选甲基;或R是C.sub.1-C.sub.4烷基或甲基,最好是氯、溴、甲氧基、硝基、甲基或CF.sub.3;R.sup.1是氢或C.sub.1-C.sub.4烷基;R.sup.2是氢、C.sub.1-C.sub.4烷基或##STR2##其中R.sup.a是C.sub.1-C.sub.4烷基;R.sup.1和R.sup.2一起是具有3至6个碳原子的烷基;R.sup.3是氢或C.sub.1-C.sub.4烷基;R.sup.4是氢或C.sub.1-C.sub.4烷基;R.sup.5和R.sup.6独立地是(1)氢;(2)卤素;(3)C.sub.1-C.sub.4烷基;(4)C.sub.1-C.sub.4烷氧基;(5)OCF.sub.3;(6)氰基;(7)硝基;(8)C.sub.1-C.sub.4卤代烷基;(9)R.sup.b SO.sub.n --,其中n是整数0、1或2;R.sup.b是(a)C.sub.1-C.sub.4烷基;(b)卤素或氰基取代的C.sub.1-C.sub.4烷基;(c)苯基;或(d)苄基;(10)--NR.sup.c R.sup.d,其中R.sup.c和R.sup.d独立地是氢或C.sub.1-C.sub.4烷基;(11)R.sup.e C(O)--,其中R.sup.e是C.sub.1-C.sub.4烷基或C.sub.1-C.sub.4烷氧基;或(12)SO.sub.2 NR.sup.c R.sup.d,其中R.sup.c和R.sup.d的定义如上所述,对除草剂具有有效作用。