申请人:Syngenta Crop Protection, Inc.
公开号:US06204221B1
公开(公告)日:2001-03-20
Compounds of formula (I) in which A is ═N— or (a); W is a group (W1), (W2) or (W3); R11 is hydrogen, fluorine, chlorine, bromine or methyl; and R1 to R5, R13,n1 and n13 are as defined in claim 1, and the pyrazole N-oxydes, agrochemically tolerated salts and stereoisomers of these compounds of formula (I), have good pre- and post-emergent selective herbicidal properties. The preparation of these compounds and their use as herbidical active substances are described.
公式(I)中A为═N—或(a);W为组(W1)、(W2)或(W3);R11为氢、氟、氯、溴或甲基;R1至R5、R13、n1和n13如权利要求1所定义,并且公式(I)化合物的吡唑N-氧化物、农药耐受盐和立体异构体具有良好的前、后除草选择性杀草剂性能。描述了这些化合物的制备及其用作除草剂活性物质。