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    • 16. 发明授权
    • Insecticidal and acaricidal hydantoin N-methylol esters
    • 杀虫剂和杀螨剂乙内酰脲N-羟甲基酯
    • US4176189A
    • 1979-11-27
    • US909107
    • 1978-05-24
    • Nobushige ItayaMasachika Hirano
    • Nobushige ItayaMasachika Hirano
    • A01N43/50A01N53/00A01N53/04A01N53/10C07D233/72A61K31/415C07D405/12
    • C07D233/72A01N43/50A01N53/00
    • Hydantoin N-methylol esters of the formula, ##STR1## wherein one of X and Y is a carbonyl group and the other is a methylene, ethylidene or propylidene group, R.sub.1 is a lower alkyl, lower alkenyl or lower alkynyl having up to 3 carbon atoms, R.sub.2 is a group represented by the formula, ##STR2## in which R.sub.3 is a hydrogen atom or a methyl group; when R.sub.3 is a hydrogen atom, R.sub.4 is a methoxyiminomethyl or 2,2-disubstituted vinyl group in which the substituents can be selected from the group consisting of methyl, vinyl, fluorine, chlorine and bromine, or both of the substituents may form tetramethylene chain; when R.sub.3 is a methyl group, R.sub.4 is a methyl group; R.sub.5 is a methyl, methoxy, fluorine, chlorine, bromine or 3,4-methylenedioxy group; and n is 1 or 2, a process for producing the same, insecticides and acaricides containing the same as an active ingredient, and novel intermediate compounds.
    • 乙酰头孢菌素N-羟甲基酯,其中X和Y中的一个是羰基,另一个是亚甲基,亚乙基或亚丙基,R 1是具有至多3个碳的低级烷基,低级链烯基或低级炔基 原子,R 2是由下式表示的基团,其中R 3是氢原子或甲基; 当R3为氢原子时,R4为甲氧基亚氨基甲基或2,2-二取代的乙烯基,其中取代基可以选自甲基,乙烯基,氟,氯和溴,或两者均可形成四亚甲基链 ; 当R 3为甲基时,R 4为甲基; R5是甲基,甲氧基,氟,氯,溴或3,4-亚甲二氧基; n为1或2,其制造方法为含有与活性成分相同的杀虫剂和杀螨剂,以及新型中间体化合物。