| 摘要 |
Compounds of formula (I): <CHEM> 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<5>R<6>, hydroxy, acylamino, -CO2R<4>, -O(CH2)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 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. |
