申请人:BASF Aktiengesellschaft
公开号:US04401821A1
公开(公告)日:1983-08-30
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.
含有式为##STR1##的吡唑衍生物的除草剂,其中R.sup.1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,甲氧羰基,或苯氧羰基,其未取代或单取代或多取代的卤素,R.sup.2表示苯基,其未取代或单取代或多取代的氟,氯,溴,甲基,甲氧基,氰基,硝基,三氟甲基,三氟甲氧基或甲氧羰基,R.sup.2还表示一个5-至6-成员的杂环芳香环,其未取代或取代为甲基或氯且含有1或2个杂原子X,X独立地为氧,硫或氮,或R.sup.2表示α-萘基或β-萘基,R.sup.3表示甲基,乙基或异丙基,或这样的吡唑衍生物的盐,本发明还涉及使用这些活性成分防治不良植物生长的方法和制造除草剂的方法。