申请人:Bayer Aktiengesellschaft
公开号:US05756805A1
公开(公告)日:1998-05-26
Herbicidal 4-cyanophenylimino heterocycles of the formula ##STR1## in which R.sup.1 represents hydrogen or halogen, R.sup.2 represents halogen, cyano, hydroxyl, amini, X--R.sup.3, --N(R.sup.4)--CO--R.sup.5 or --N(R.sup.4)--SO.sub.2 R.sup.5, X represents oxygen, sulphur or a single bond, A represents alkanediyl or alkenediyl each of which is optionally substituted, E represents nitrogen or carbon, and G represents nitrogen or represents carbon which is bonded to hydrogen or alkyl via an exo single bond or to oxygen or sulphur via an exo double bond, with some exceptions.
该公式中的除草剂4-氰基苯亚咪唑杂环化合物为##STR1##其中R.sup.1代表氢或卤素,R.sup.2代表卤素、氰基、羟基、氨基、X--R.sup.3、--N(R.sup.4)--CO--R.sup.5或--N(R.sup.4)--SO.sub.2 R.sup.5,X代表氧、硫或单键,A代表脂二亚基或烯二亚基,每个都可以选择性地被取代,E代表氮或碳,G代表氮或代表碳,通过一个外向单键与氢或烷基结合,或通过一个外向双键与氧或硫结合,但有些例外。