5-Oxo-2,5-dihydro-1,2,4-triazines
    1.
    发明授权
    5-Oxo-2,5-dihydro-1,2,4-triazines 失效
    5-氧代-2,5-二氢-1,2,4-三嗪

    公开(公告)号:US4451283A

    公开(公告)日:1984-05-29

    申请号:US281776

    申请日:1981-07-09

    CPC分类号: C07D253/075 A01N43/707

    摘要: A herbicidal composition which comprises at least one of triazine compounds of the formula: ##STR1## wherein R.sup.1 is a C.sub.1 -C.sub.4 alkyl group or an amino group, R.sup.2 is a C.sub.1 -C.sub.4 alkoxy group, a C.sub.1 -C.sub.4 alkylthio group or a di(C.sub.1 -C.sub.4) alkylamino group and R.sup.3 is a cyclo(C.sub.3 -C.sub.7) alkyl group, a tertiary C.sub.4 -C.sub.5 alkyl group, an adamantyl group or a group of the formula: ##STR2## (in which R is a halogen atom, a C.sub.1 -C.sub.4 alkyl group, a C.sub.1 -C.sub.4 alkoxy group, a nitro group or a trihalomethyl group and n is an integer of 0 to 2) in a herbicidally effective amount and an inert carrier or diluent.

    摘要翻译: 一种除草组合物,其包含下式的三嗪化合物中的至少一种:其中R 1是C 1 -C 4烷基或氨基,R 2是C 1 -C 4烷氧基,C 1 -C 4烷硫基 或二(C1-C4)烷基氨基,R3是环(C3-C7)烷基,叔C4-C5烷基,金刚烷基或下式的基团:其中R是 卤素原子,C 1 -C 4烷基,C 1 -C 4烷氧基,硝基或三卤代甲基,n为0〜2的整数),除了有效量的惰性载体或稀释剂。

    Process for producing pyridine compound
    10.
    发明授权
    Process for producing pyridine compound 有权
    制备吡啶化合物的方法

    公开(公告)号:US07157579B2

    公开(公告)日:2007-01-02

    申请号:US10486037

    申请日:2002-07-31

    IPC分类号: C07D401/12

    CPC分类号: C07D401/12

    摘要: The present invention provides a process for producing the pyridine compound [d]: [wherein R3 and R4 are as defined below], which has an excellent herbicidal activity, by making a pyridine compound [a]: [wherein R1 represents a C1–C6 alkoxy group, R3 represents a halogen atom, cyano group or nitro group, and R4 represents a hydrogen atom or halogen atom] react with an α-diazoester compound [f]: N2CHCOR1[f] [wherein R1 is defined above] in the presence of an acid.

    摘要翻译: 本发明提供一种制备吡啶化合物[d]的方法:其中R 3和R 4定义如下],其具有优异的除草活性,通过 制备吡啶化合物[a]:[其中R 1表示C 1 -C 6烷氧基,R 3表示卤素原子,氰基或硝基, SUP> 4 代表氢原子或卤素原子]与α-重氮化合物[f]反应:<?in-line-formula description =“In-line formula”end =“lead”?> N < &lt;&lt; 1&lt; 1&gt; [f] <?in-line-formula description =“In-line Formulas”end =“tail”?> [其中R 1, SUP>如上定义]在酸的存在下。