申请人:Kumiai Chemical Industry Co., Ltd.
公开号:US05401711A1
公开(公告)日:1995-03-28
The present invention provides a herbicidal composition containing a novel pyrimidine derivative having the formula (1), ##STR1## wherein R.sup.1 is a trifluoromethanesulfonyioxy group, an ethenyl group which may be substituted, or an ethynyl group which may be substituted; R.sup.2 is a hydrogen atom, an alkyl group, 2-trimethylsilyl ethyl group; R.sup.3 and R.sup.4 are the same or different, and are a methoxy group or a halogen atom; X is an oxygen atom or a sulfur atom; and Z is a methine group; or its salt, as an active ingredient. The pyrimidine derivative of the present invention exhibits an excellent herbicidal effect against noxious weeds which grow in paddy fields, upland fields and non-agricultural fields.
本发明提供了一种除草剂组合物,该组合物含有一种具有式(1)的新型嘧啶衍生物:##STR1## 其中,R.sup.1是三氟甲磺酰氧基团、可被取代的乙烯基或可被取代的乙炔基;R.sup.2是氢原子、烷基或2-三甲基硅基乙基基团;R.sup.3和R.sup.4相同或不同,是甲氧基或卤素原子;X是氧原子或硫原子;Z是甲基基团;或其盐,作为活性成分。本发明的嘧啶衍生物对稻田、旱地和非农业土地中生长的有害杂草表现出优异的除草效果。