申请人:Bayer Aktiengesellschaft
公开号:US05358924A1
公开(公告)日:1994-10-25
There are provided new 3-hydroxy-4-aryl-5-oxo-pyrazoline derivatives of the formula (I) ##STR1## in which A and B are identical or different and independently of one another in each case represent hydrogen, alkyl, alkenyl, alkynyl, alkoxyalkyl, alkythioalkyl, cycloalkyl or optionally substituted aryl or A and B together represent the bivalent radical of a saturated or unsaturated, optionally substituted, mono-, bi-, tri- or polycyclic system, X represents alkyl, halogen or alkoxy, Y represents hydrogen, alkyl, halogen, alkoxy or halogenoalkyl, Z represents alkyl, halogen or alkoxy, n represents a number 0, 1, 2 or 3, G represents hydrogen (a) or the groups ##STR2## in which E represents a metal ion equivalent or an ammonium ion, L and M represents oxygen and/or sulphur, and R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6 and R.sup.7 have the meaning given in the text of the application. The new 3-hydroxy-4-aryl-5-oxo-pyrazoline derivatives of the formula (I) have a particularly pronounced activity against animal pests, in particular against insects and arachnids, and against weeds.
提供了新的3-羟基-4-芳基-5-氧代吡唑啉衍生物,其化学式为(I)##STR1##
其中A和B相同或不同,并且在每种情况下独立地表示氢,烷基,烯基,炔基,烷氧基烷基,烷硫基烷基,环烷基或可选取代的芳基,或A和B一起表示饱和或不饱和的双价基团,可选取代的单,双,三或多环系统,X表示烷基,卤素或烷氧基,Y表示氢,烷基,卤素,烷氧基或卤代烷基,Z表示烷基,卤素或烷氧基,n表示数字0,1,2或3,G表示氢(a)或基团##STR2##
其中E表示金属离子等效物或铵离子,L和M表示氧和/或硫,R.sup.1,R.sup.2,R.sup.3,R.sup.4,R.sup.5,R.sup.6和R.sup.7具有申请书文本中给出的含义。化学式(I)的新3-羟基-4-芳基-5-氧代吡唑啉衍生物对动物害虫,特别是对昆虫和蜘蛛以及杂草具有特别显著的活性。