| abstract |
Compounds of formula (I) wherein R?1, R?2 and R?3 are independently hydrogen, alkyl, alkenyl, alkynyl, cycloalkyl, alkylcycloalkyl, halogen, haloalkyl, alkoxy, alkenoxy, alkoxyalkyl, haloalkoxy, alkylthio, cyano, nitro, amino, NR?5R?6, hydroxy, acylamino, -CO2?R?4, -O(CH2?)m?CO2?R?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 R?3 when taken together form a 5- or 6-membered ring; m is 1 or 2; R?4 and R?6 are hydrogen or C1-4? alkyl; R?5 is C1-4? alkyl; n is 0, 1 or 2; provided that when n is 0, R?1, R?2 and R?3 are not all hydrogen, or when n is 0 and R?2 is hydrogen, R?1 and R?3 are not both methyl, or when n is 0 and R?2 and R?3 are both hydrogen, R?1 is not methyl; are useful as nematicides. |