| 摘要 |
<p>Compounds of formula (I) wherein R?1, R2 and R3¿ are independently hydrogen, alkyl, alkenyl, alkynyl, cycloalkyl, alkylcycloalkyl, halogen, haloalkyl, alkoxy, alkenoxy, alkoxyalkyl, haloalkoxy, alkylthio, cyano, nitro, amino, NR5R6, hydroxy, acylamino, -CO¿2R?4, -O(CH¿2?)mCO2R?4¿, phenyl, phenoxy, benzyl or benzyloxy, the phenyl group or phenyl moiety of the benzyl group being optionally substituted in the ring; or R?2 and R3¿ when taken together form a 5- or 6-membered ring; m is 1 or 2; R?4 and R6¿ are hydrogen or C¿1-4? alkyl; R?5¿ is C¿1-4? alkyl; n is 0, 1 or 2; provided that when n is 0, R?1, R2 and R3¿ are not all hydrogen, or when n is 0 and R2 is hydrogen, R?1 and R3¿ are not both methyl, or when n is 0 and R?2 and R3¿ are both hydrogen, R1 is not methyl; are useful as nematicides.</p> |
