申请人:Nissan Chemical Industries
公开号:US04877787A1
公开(公告)日:1989-10-31
Novel 3(2H)-pyridazinone derivatives having the formula I: ##STR1## wherein, R is a straight or branched C.sub.2 to C.sub.6 alkyl, R.sup.1 and R.sup.2 are each independently hydrogen or a lower alkyl, R.sup.4 is a halogen, R.sup.3 is a halogen, an alkyl, a cycloalkyl, an alkoxy, a haloalkyl, a haloalkoxy, --CN, --NO.sub.2, a phenyl, a benzyloxy, a benzyl, a phenoxy, a phenylthio, a pyridyloxy, a quinoxalyloxy, a lower alkenyloxy, a lower alkylthio, a lower haloalkylthio, --Si(CH.sub.3).sub.3, --OH, --N(CH.sub.3).sub.2, --SCN, --COOCH.sub.3 or --OCH(CH.sub.3)COOC.sub.2 H.sub.5, and n is an integer of 1 to 5, said R.sup.3 being the same or different when n is an integer of 2 to 5. A process for preparation of said derivatives is also provided. These derivatives are useful as an active ingredient of insecticidal, acaricidal, nematicidal and/or fungicidal compositions for agricultural and horticultural uses as well as of expellent compositions for ticks parasitic on animals.
3(2H)-吡啶嗪酮衍生物,化学式为I:##STR1##其中,R为直链或支链的C.sub.2到C.sub.6烷基,R.sup.1和R.sup.2分别独立地是氢或较低的烷基,R.sup.4是卤素,R.sup.3是卤素,烷基,环烷基,烷氧基,卤代烷基,卤代烷氧基,--CN,--NO.sub.2,苯基,苄氧基,苄基,苯氧基,苯硫基,吡啶氧基,喹啉氧基,较低烯氧基,较低烷硫基,较低卤代烷硫基,--Si(CH.sub.3).sub.3,--OH,--N(CH.sub.3).sub.2,--SCN,--COOCH.sub.3或--OCH(CH.sub.3)COOC.sub.2 H.sub.5,n为1到5的整数,当n为2到5的整数时,所述的R.sup.3可以相同也可以不同。还提供了一种制备这些衍生物的方法。这些衍生物可用作农业和园艺用途的杀虫剂、杀螨剂、杀线虫剂和/或杀真菌剂的活性成分,以及用于驱逐寄生在动物身上的蜱虫的驱虫剂成分。