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    • 4. 发明授权
    • Parasiticidal avermectin derivatives
    • 杀虫剂阿维菌素衍生物
    • US4916120A
    • 1990-04-10
    • US230221
    • 1988-08-01
    • Wolfgang RobenStendel WilhelmPeter Andrews
    • Wolfgang RobenStendel WilhelmPeter Andrews
    • C07D493/22A61K31/365A61P33/00C07H17/08C07H19/01
    • C07H19/01
    • Parasiticidally active avermectin derivatives of the formula ##STR1## in which R.sup.1 stands for hydrogen, OH, C.sub.1-5 -alkanoyloxy, .alpha.-L-oleandrosyloxy, .alpha.-L-oleandrosyl-.alpha.-L-oleandrosyloxy, 4'-C.sub.1-5 -alkanoyl-.alpha.-oleandrosyloxy or 4"-C.sub.1-5 -alkanoyl-.alpha.-L-oleandrosyl-.alpha.-L-oleandrosyloxy,R.sup.2 stands for hydrogen, OH, C.sub.1-5 -alkanoyloxy, or R.sup.2 stands for hydrogen when there is a double bond between C22 and C23,R.sup.3 stands for straight-chain or branched alkyl or alkenyl, andR.sup.4 stands for hydrogen, OH, C.sub.1-5 -alkanoyloxy, heterocyclylcarbonyloxy, or the bond between the C atoms C22 and C23 is a single or a double bond and the double bond of the cyclohexene ring can be between the C atoms C3 and C4 or between the C atoms C4 and C5.
    • 其中R1代表氢,OH,C1-5-烷酰氧基,α--L-烯丙基氧基,α-L-胆烷酰基-α-胆碱硫代酰氧基,4'-C1-5的分子式活性阿维菌素衍生物 - 烷酰基-α-链烷氧基或4'-“C 1 -C 5 - 烷酰基-α-L-胆烷酰基-α-胆碱酰氧基,R2代表氢,OH,C1-5-烷酰氧基,或当R2代表氢 C22和C23之间的双键,R3表示直链或支链烷基或烯基,R4表示氢,OH,C1-5-烷酰氧基,杂环基羰基氧基,或C原子之间的键C22和C23是单或 双键并且环己烯环的双键可以在C原子C3和C4之间或C原子C4和C5之间。