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    3-Aryl-5-methylpyrazole-4-carboxylic acid esters
    9.
    发明授权
    3-Aryl-5-methylpyrazole-4-carboxylic acid esters 失效
    3-芳基-5-甲基吡唑-4-羧酸酯

    公开(公告)号：US4401821A

    公开(公告)日：1983-08-30

    申请号：US279696

    申请日：1981-07-02

    申请人： Peter Plath ,  Wolfgang Rohr ,  Bruno Wuerzer

    发明人： Peter Plath ,  Wolfgang Rohr ,  Bruno Wuerzer

    IPC分类号： A01N43/56 ,  A01N47/16 ,  A01N47/22 ,  A01P13/00 ,  C07D231/14 ,  C07D405/04 ,  C07D409/04 ,  C07D413/04 ,  C07D401/04

    CPC分类号： C07D231/14 ,  A01N43/56 ,  A01N47/16 ,  A01N47/22

    摘要： Herbicides containing a pyrazole derivative of the formula ##STR1## where R.sup.1 denotes hydrogen, formyl, acetyl, propionyl, chloroacetyl, dichloroacetyl, methoxyacetyl, methoxycarbonyl, or phenoxycarbonyl which is unsubstituted or mono- or polysubstituted by halogen, R.sup.2 denotes phenyl which is unsubstituted or mono- or polysubstituted by fluorine, chlorine, bromine, methyl, methoxy, cyano, nitro, trifluoromethyl, trifluoromethoxy or methoxycarbonyl, R.sup.2 further denotes a 5- to 6-membered, heterocyclic aromatic ring which is unsubstituted or substituted by methyl or chlorine and which contains 1 or 2 hetero-atoms X, X being independently oxygen, sulfur or nitrogen, or R.sup.2 denotes .alpha.-naphthyl or .beta.-naphthyl, and R.sup.3 denotes methyl, ethyl or isopropyl, or a salt of such a pyrazole derivative, a process for combating unwanted plant growth with the active ingredients and methods of manufacturing the herbicides.

    摘要翻译： 除草剂，其含有下式的吡唑衍生物，其中R1表示氢，甲酰基，乙酰基，丙酰基，氯乙酰基，二氯乙酰基，甲氧基乙酰基，甲氧基羰基或被卤素单取代或多取代的苯氧基羰基， 被氟，氯，溴，甲基，甲氧基，氰基，硝基，三氟甲基，三氟甲氧基或甲氧基羰基单取代或多取代，R2还表示未被取代或被甲基或氯取代的5至6元杂环芳环， 含有1或2个杂原子X，X独立地为氧，硫或氮，或R2表示α-萘基或β-萘基，R3表示甲基，乙基或异丙基，或该吡唑衍生物的盐， 用活性成分和制造除草剂的方法防治有害植物生长。