申请人:Nissan Chemical Industries, Ltd.
公开号:US05750470A1
公开(公告)日:1998-05-12
Provided are a pyridine derivative represented by the formula (1): ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 each independently represent a hydrogen atom, a C.sub.1-6 alkyl group, a C.sub.1-4 haloalkyl group, a C.sub.1-4 alkoxy group, a cyano group, a nitro group or a halogen atom, Qa represents a phenyl, pyrazolyl or pyridyl which may be substituted, Qb represents an azole, and X represents oxygen, sulfur or N-R.sup.4, R.sup.4 represents hydrogen or an alkyl group, and an agricultural chemical containing the same, particularly a herbicide.
提供了一种由式(1)表示的吡啶衍生物:##STR1## 其中,R.sup.1,R.sup.2和R.sup.3各自独立地表示氢原子,C.sub.1-6烷基,C.sub.1-4卤代烷基,C.sub.1-4烷氧基,氰基,硝基或卤素原子,Qa表示可以被取代的苯基,吡唑基或吡啶基,Qb表示一种唑类,X表示氧,硫或N-R.sup.4,R.sup.4表示氢或烷基,并且一种含有该化合物的农药,特别是除草剂。