申请人:Bayer Aktiengesellschaft
公开号:US04770692A1
公开(公告)日:1988-09-13
Novel herbicidal and plant-growth regulating pyrazoles of the formula ##STR1## in which R.sup.1 represents hydrogen, alkyl or halogenoalkyl, R.sup.2 represents nitro or cyano, R.sup.3 represents optionally substituted alkyl, optionally substituted alkenyl, optionally substituted alkinyl, optionally substituted cycloalkyl, optionally substituted cycloalkylalkyl, optionally substituted aralkyl or optionally substituted aryl, Ar represents phenyl which is substituted twice or more, or optionally substituted pyridyl, and Y represents O, S, SO or SO.sub.2. Several intermediates therefor are also new.
化学式为##STR1##的新型除草和植物生长调节剂吡唑类化合物,其中R.sup.1表示氢,烷基或卤代烷基,R.sup.2表示硝基或氰基,R.sup.3表示可选择取代的烷基,可选择取代的烯基,可选择取代的炔基,可选择取代的环烷基,可选择取代的环烷基烷基,可选择取代的芳基烷基或可选择取代的芳基,Ar表示取代两次或以上的苯基或可选择取代的吡啶基,Y表示O,S,SO或SO.sub.2。其中还有几种新的中间体。