| 摘要 |
<p> l. A compound of Formula I or a salt thereof: (I) Ar-Q-(CH2)m-A-(CH2)n (CE<1>=CE<2>)aCE<3>=CE<4>CXNR<1>R<2> where Ar s a 6-membered heteroaromatic ring containing, as the heteroatom or heteroatoms, one or two nitrogen atoms and is optionally substituted by one or more of halogen, cyano, C1-6-alkyl (optionally substituted by halogen), or C1-6- alkoxy (optionally substituted by one or more of halogen or C1-6-alkyl), or RS(O)x where x is 0, l or 2 and R is C1-6-alkyl optionally substituted by one or more halogen atoms, Q is -CH2- or -O-, m and n are each independently 0 to 7, A is -CH2- or -O-, a is 0 or l, E<1> to E<4> are independently hydrogen, C1-4-alkyl or halo-C1-4-alkyl or halogen, X is oxygen or sulphur, and R<1> and R<2> are independently hydrogen, C1-6 alkyl or C3-6-cycloalkyl, either being optionally substituted by one or more of C1-6-alkyl, C2-6-alkenyl, dioxalanyl, C3-6-cycloalkyl, C1-6-alkoxy or RS(0)x as defined above. The compounds and their salts are useful as insecticides and acaricides.</p> |
