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    • 2. 发明授权
    • Pyrimidin-4-yl-phosphorus esters and insecticidal, acaricidal or
nematocidal compositions and methods using them
    • 嘧啶-4-基 - 磷酯和杀虫,杀螨或杀线虫的组合物和使用它们的方法
    • US4308258A
    • 1981-12-29
    • US114737
    • 1980-01-24
    • Takayuki OkabeKunio MukaiMasachika Hirano
    • Takayuki OkabeKunio MukaiMasachika Hirano
    • A01N57/16A01N57/32C07D239/36C07F9/6512C07F9/65
    • C07D239/36A01N57/16A01N57/32C07F9/65125
    • Pyrimidin-4-yl-phosphorothionates of the formula (I), ##STR1## wherein R is a C.sub.1 -C.sub.2 alkyl group, R.sub.1 is a C.sub.1 -C.sub.2 alkoxyl or C.sub.1 -C.sub.4 alkylamino group, R.sub.2 and R.sub.3, which may be the same or different, are each a halogen atom, a C.sub.1 -C.sub.3 alkoxyl or methylmercapto group, and X is an oxygen or sulfur atom; a process for producing pyrimidin-4-yl-phosphorothionates of the formula (I) characterized by condensing a 4-hydroxypyrimidine of the formula (II), ##STR2## wherein R.sub.2 and R.sub.3, which may be the same or different, are each a halogen atom, a C.sub.1 -C.sub.3 alkoxyl or methylmercapto group, with a halogen compound of the formula, ##STR3## wherein R is a C.sub.1 -C.sub.2 alkyl, R.sub.1 is a C.sub.1 -C.sub.2 alkoxyl or C.sub.1 -C.sub.4 alkylamino group, Y is a halogen atom and X is an oxygen or sulfur atom; an insecticide, acaricide and nematocide characterized by containing pyrimidin-4-yl-phosphorothionates of the formula (I) as an active ingredient; 4-hydroxypyrimidines of the formula (II) wherein R.sub.2 and R.sub.3, which may be the same or different, are each a halogen atom, a C.sub.2 -C.sub.3 alkoxyl or methylmercapto group; and a process for producing 4-hydroxypyrimidines of the formula (II) wherein R.sub.2 and R.sub.3, which may be the same or different, are each a halogen atom, a C.sub.2 -C.sub.3 alkoxyl or methylmercapto group, characterized by reacting an acetamidine hydrochloride of the formula, ##STR4## wherein R.sub.4 is a halogen atom, a C.sub.2 -C.sub.3 alkoxyl or methylmercapto group, with a .beta.-ketoester of the formula, ##STR5## wherein R.sub.5 is a halogen atom, a C.sub.2 -C.sub.3 alkoxyl or methylmercapto group, and R.sub.6 is a C.sub.1 -C.sub.2 alkyl group.
    • 式(I)的嘧啶-4-基 - 硫代磷酸酯,其中R是C1-C2烷基,R1是C1-C2烷氧基或C1-C4烷基氨基,R2和R3可以是 各自为卤素原子,C1-C3烷氧基或甲基巯基,X为氧或硫原子; 制备式(I)的嘧啶-4-基 - 硫代磷酸酯的方法,其特征在于将式(II)的4-羟基嘧啶,其中R2和R3可以相同或不同, 其中R为C1-C2烷基,R1为C1-C2烷氧基或C1-C4烷基氨基,Y为卤素原子,C1-C3烷氧基或甲基巯基, 是卤素原子,X是氧或硫原子; 杀虫剂,杀螨剂和杀线虫剂,其特征在于含有式(I)的嘧啶-4-基 - 硫代磷酸酯作为活性成分; 式(II)的4-羟基嘧啶,其中R2和R3可以相同或不同,分别为卤素原子,C2-C3烷氧基或甲基巯基; 以及制备式(II)的4-羟基嘧啶的方法,其中R 2和R 3可以相同或不同,各自为卤素原子,C 2 -C 3烷氧基或甲基巯基,其特征在于使乙酸脒盐酸盐 其中R 4是卤素原子,C 2 -C 3烷氧基或甲基巯基,与下式的β-酮酯,其中R 5是卤素原子,C 2 -C 3烷氧基或甲基巯基,和 R6是C1-C2烷基。
    • 8. 发明授权
    • Triazinyl-organophosphorus esters
    • 三嗪基有机磷酯
    • US4320126A
    • 1982-03-16
    • US70056
    • 1979-08-27
    • Takayuki OkabeKunio MukaiMasachika Hirano
    • Takayuki OkabeKunio MukaiMasachika Hirano
    • A01N57/08A01N57/24C07D251/30C07F9/6521C07D251/34A01N43/66
    • C07D251/30A01N57/08C07F9/65215
    • Organophosphorus esters of the formula (I), ##STR1## wherein R is a C.sub.1 -C.sub.2 alkyl group, R.sub.1 is a C.sub.1 -C.sub.2 alkyl, C.sub.1 -C.sub.2 alkoxy, C.sub.1 -C.sub.4 alkylamino, phenyl or phenoxy group, R.sub.2 and R.sub.3, which may be the same or different, are each a C.sub.1 -C.sub.5 alkyl or methoxy C.sub.2 -C.sub.3 alkyl group and X is an oxygen or sulfur atom, a method for producing organophosphorus esters of the formula (I) characterized by condensation reaction of s-triazines of the formula, ##STR2## wherein M is a potassium or sodium atom and R.sub.2 and R.sub.3 are as defined above, with a halogenated compound of the formula, ##STR3## wherein Y is a halogen atom and R, R.sub.1 and X are as defined above, and an insecticide, acaricide and/or nematocide characterized by containing organophosphorus esters of the formula (I) as an active ingredient.
    • 式(I)的有机磷酯,其中R是C1-C2烷基,R1是C1-C2烷基,C1-C2烷氧基,C1-C4烷基氨基,苯基或苯氧基,R2和 R3可以相同或不同,分别为C1-C5烷基或甲氧基C2-C3烷基,X为氧或硫原子,制备式(I)的有机磷酯的方法,其特征在于: 其中M是钾或钠原子,R 2和R 3如上定义,与下式的卤代化合物,其中Y是卤素原子,R 1,R 2和X 其特征在于含有式(I)的有机磷酯作为活性成分,所述杀虫剂,杀螨剂和/或杀线虫剂的定义如上。