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    • 4. 发明授权
    • Benzyl pyrrolyl methyl carboxylate insecticides and acaricides
    • 苄基吡咯甲酸甲酯杀虫剂和杀螨剂
    • US4212879A
    • 1980-07-15
    • US948049
    • 1978-10-03
    • Tadashi OhsumiNobushige ItayaMasachika Hirano
    • Tadashi OhsumiNobushige ItayaMasachika Hirano
    • A01N43/36A01N53/04C07D207/00C07D207/32C07D207/323C07D207/325C07D207/452A01N9/22
    • C07D207/323C07D207/325
    • Carboxylic acid esters of the formula (I), ##STR1## wherein X is a hydrogen atom, or a C.sub.1 -C.sub.3 alkyl or a C.sub.1 -C.sub.3 alkoxyl group or a halogen atom linked to the meta or para position and R.sub.1 is a group of the formula (II) or (III), ##STR2## wherein R.sub.2 is a hydrogen atom or a methyl group, and when R.sub.2 is a methyl group R.sub.3 is also a methyl group, and when R.sub.2 is a hydrogen atom R.sub.3 is a group of the formula, ##STR3## (wherein R.sub.5 is a halogen atom or a C.sub.1 -C.sub.3 alkyl, vinyl or a C.sub.1 -C.sub.3 alkoxymethyl group, R.sub.6 is a hydrogen or halogen atom or a methyl group, or, taken together, R.sub.5 and R.sub.6 may form a tetramethylene group by connecting together at ends thereof), R.sub.4 is a halogen atom or a C.sub.1 -C.sub.3 alkyl, C.sub.1 -C.sub.3 alkoxyl or 3,4-methylenedioxy group, n is 1 or 2 and Y is a isopropyl or cyclopropyl group. These carboxylic acid esters are useful as insecticides and acaricides.
    • 式(I)的羧酸酯,其中X为氢原子,或C1-C3烷基或C1-C3烷氧基或与间位或对位连接的卤素原子,R1为 式(II)或(III)的基团,其中R 2是氢原子或甲基,当R 2是甲基时,R 3也是甲基, 当R 2是氢原子时,R 3是下式的基团,其中R 5是卤原子或C 1 -C 3烷基,乙烯基或C 1 -C 3烷氧基甲基,R 6是氢或卤原子或 或者一起,R 5和R 6可以通过在其末端连接而形成四亚甲基),R 4是卤原子或C 1 -C 3烷基,C 1 -C 3烷氧基或3,4-亚甲二氧基,n是 1或2,Y是异丙基或环丙基。 这些羧酸酯可用作杀虫剂和杀螨剂。
    • 8. 发明授权
    • Benzyl pyrrolyl methyl carboxylate insecticides and acaricides
    • 苄基吡咯甲酸甲酯杀虫剂和杀螨剂
    • US4336194A
    • 1982-06-22
    • US57282
    • 1979-07-13
    • Tadashi OhsumiNobushige ItayaMasachika Hirano
    • Tadashi OhsumiNobushige ItayaMasachika Hirano
    • A01N43/36A01N53/04C07D207/00C07D207/32C07D207/323C07D207/325C07D207/452
    • C07D207/323C07D207/325
    • Carboxylic acid esters of the formula (I), ##STR1## wherein X is a hydrogen atom, or a C.sub.1 -C.sub.3 alkyl or a C.sub.1 -C.sub.3 alkoxyl group or a halogen atom linked to the meta or para position and R.sub.1 is a group of the formula (II) or (III), ##STR2## wherein R.sub.2 is a hydrogen atom or a methyl group, and when R.sub.2 is a methyl group R.sub.3 is also a methyl group, and when R.sub.2 is a hydrogen atom R.sub.3 is a group of the formula, ##STR3## (wherein R.sub.5 is a halogen atom or a C.sub.1 -C.sub.3 alkyl, vinyl or a C.sub.1 -C.sub.3 alkoxymethyl group, R.sub.6 is a hydrogen or halogen atom or a methyl group, or, taken together, R.sub.5 and R.sub.6 may form a tetramethylene group by connecting together at ends thereof), R.sub.4 is a halogen atom or a C.sub.1 -C.sub.3 alkyl, C.sub.1 -C.sub.3 alkoxyl or 3,4-methylenedioxy group, n is 1 or 2 and Y is a isopropyl or cyclopropyl group. These carboxylic acid esters are produced by reacting the reactive derivatives of a carboxylic acid represented by the formula, ##STR4## wherein R.sub.1 is a group of the formula (II) or (III), ##STR5## wherein R.sub.2, R.sub.3, R.sub.4, n and Y are as defined above, and Z is a halogen atom, with an alcohol of the formula (IV), ##STR6## wherein X is as defined above, in the presence of an acid-binding agent. These carboxylic acid esters are useful as insecticides and acaricides.
    • 式(I)的羧酸酯,其中X为氢原子,或C1-C3烷基或C1-C3烷氧基或与间位或对位连接的卤素原子,R1为 式(II)或(III)的基团,其中R2是氢原子或甲基,当R2是甲基时,R3也是甲基,当R2是氢原子时R3是 式中的一组基团(其中R 5为卤素原子或C 1 -C 3烷基,乙烯基或C 1 -C 3烷氧基甲基,R 6为氢或卤素原子或甲基,或一起为R 5 R 6是卤原子或C 1 -C 3烷基,C 1 -C 3烷氧基或3,4-亚甲二氧基,n是1或2,Y是异丙基或 环丙基。 这些羧酸酯通过使下式表示的羧酸的反应性衍生物,其中R 1是式(II)或(III)的基团,其中R 2,R 3,R 4,n 和Y如上定义,并且Z是卤素原子,与式(IV)的醇,其中X如上定义,在酸结合剂存在下,其中X如上定义。 这些羧酸酯可用作杀虫剂和杀螨剂。