申请人:Kumiai Chemical Industry Co., Ltd.
公开号:US05616537A1
公开(公告)日:1997-04-01
A condensed heterocyclic derivative of the formula (I): ##STR1## (wherein R is a hydroxyl group, R.sup.3 or R.sup.4 is an alkoxy group, W is an oxygen atom, Yn is a hydrogen atom, Z is a methine group, and A is a 5- or 6-membered heterocyclic ring which may be substituted, and a herbicide, are presented. When used for paddy field treatment, upland soil treatment and foliage treatment, the condensed heterocyclic derivative of the present invention exhibits excellent herbicidal activities against gramineous and non-gramineous weeds without adversely affecting crop plants.
一种式(I)的缩合杂环衍生物:##STR1##(其中R为羟基,R.sup.3或R.sup.4为烷氧基,W为氧原子,Yn为氢原子,Z为甲川基,A为可被取代的5或6元杂环环),以及一种除草剂,被提出。当用于水稻田处理、旱地土壤处理和叶面处理时,本发明的缩合杂环衍生物对禾本科和非禾本科杂草表现出优异的除草活性,而对作物植物无不良影响。