| 摘要 |
<p>Compounds represented by general formula (I) and salts thereof, each having a potent insecticidal activity; wherein R1 represents an optionally substituted heterocyclic or phenyl group; X represents an optionally substituted alkylene group, a heteroatom or a single bond; R2 and R3 represent each a hydrogen atom, an optionally substituted alkyl, alkenyl, alkynyl, cycloalkyl, cycloalkenyl or aryl group, -Y-R5, or -NR6R7, wherein Y represents -O-, -S(O)n-, -CO-, or -CO2-, n is 0, 1 or 2, R5 represents a hydrogen atom or an optionally substituted alkyl, alkenyl, alkynyl, cycloalkyl, cycloalkenyl, or aryl group, and R6 and R7 may be the same or different from each other and each represents a group similar to R5; and R4 represents nitro, cyano, -P(=W)(OR8)2 (wherein W represents O or S, and R8 represents a group similar to R5), -Q-R9, or -NR10R11, wherein Q represents a group similar to Y, R9 represents a group similar to R5, and R10 and R11 represent groups similar to R6 and R7, respectively.</p> |
