| 摘要 |
<p>Compounds of formula (I) and (II), and their agriculturally-suitable salts, are disclosed which are useful for controlling undesired vegetation, wherein X is a direct bond, O, S, NH, N(C1-C3 alkyl), N(C1-C3 haloalkyl) or N(allyl); R1 is H, F, Cl, or Br; R2 is H, F, Cl, Br, CF¿3?, nitro, or cyano; R?4¿ is H, C¿1?-C3 alkyl, or halogen; R?5¿ is H, C¿1?-C6 alkyl, C1-C6 haloalkyl, halogen, S(O)2(C1-C6 alkyl), or C(=O)R?8; or R4 and R5¿ are taken together along with the carbon to which they are attached to form a spiro-cyclopropane ring; and R3, R8, and J are as defined in the disclosure. Also disclosed are compositions containing the compounds of formulae (I) and (II) and a method for controlling undesired vegetation which involves contacting the vegetation or its environment with an effective amount of a compound of formula (I) or (II).</p> |
