| 摘要 |
<p>N-substituted pyrazole derivatives of formula (I) wherein R1 represents optionally substituted alkyl or cycloalkyl; optionally substituted phenyl or benzyl; optionally substituted alkenyl or alkynyl; or a group selected from -SO¿2?NR?61R62, -SO¿2R71 and -CONR?61R62; R2¿ represents -X-R10; R3 represents hydrogen, halogen, optionally substituted alkyl or cycloalkyl, cyano, nitro, -S(O)¿mR?6, optionally substituted phenyl or -CO¿2R?6; R4 represents optionally substituted phenyl or pyridyl; R5 represents hydrogen or alkyl; Y represents oxygen or sulphur; R6 represents alkyl or haloalkyl; R?61 and R62¿ independently represent alkyl or haloalkyl; R7 represents alkyl or haloalkyl; R71 represents alkyl, haloalkyl or optionally substituted phenyl; R?8 and R9¿ independently represent hydrogen, alkyl or haloalkyl; R10 represents optionally substituted phenyl or pyridyl; or optionally substituted alkyl, alkenyl or alkynyl; X represents oxygen atom, -NR11- or -S(O)¿p-; R?11 represents hydrogen, alkyl or haloalkyl; m and p independently represent 0, 1 or 2; and their herbicidal properties are described.</p> |
