| 摘要 |
Diphenyl ethers of the formula } } <IMAGE> } wherein R1 is hydrogen or halogen, R2 is hydrogen, halogen, or cyano, R is <IMAGE> wherein R3 is hydrogen, halogen, nitro, alkyl, or alkoxy, R4 is a divalent alkylene radical, and R5 is cyano or -COR6, wherein R6 is alkoxy, hydroxy or salt thereof, allyloxy, alkoxyalkoxy, amino, alkyl or dialkyl amino, aminoalkoxy, or alkyl or dialkylaminoalkoxy, AND DIPHENYL SULFIDES, SULFOXIDES, AND SULFONES OF THE FORMULA <IMAGE> wherein R8 is hydrogen, halogen, cyano, nitro, alkyl, alkoxy, or trifluoromethyl, R2 is hydrogen, halogen or cyano, X is sulfur, sulfinyl, or sulfonyl, and R is as defined above, AND COMPOSITIONS CONTAINING THESE COMPOUNDS EXHIBIT HERBICIDAL ACTIVITY.
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