申请人:Kumiai Chemical Industry Co., Ltd.
公开号:US04770691A1
公开(公告)日:1988-09-13
As new compounds are provided 2-(4',6'-di-substituted pyrimidine-2'-yl)oxy- or thio-benzoic acid derivatives of the formula ##STR1## wherein R is hydrogen, hydroxy, alkoxy, alkenyloxy, alkylthio or other substituents, R.sup.1 and R.sup.2 are each a halo, alkyl, alkoxy or other substituents; and X is oxygen or sulfur atom. These new compounds are useful as herbicidal agent effective to inhibit the growth of annual weeds and also perennial weeds predominant in irrigated fields of aquatic rice plants and in plowed fields.
新化合物提供了公式##STR1##中的2-(4',6'-二取代嘧啶-2'-基)氧基或硫基苯甲酸衍生物,其中R为氢、羟基、烷氧基、烯氧基、烷硫基或其他取代基,R.sup.1和R.sup.2分别为卤素、烷基、烷氧基或其他取代基;X为氧或硫原子。这些新化合物可用作除草剂,能有效抑制一年生杂草和多年生杂草在灌溉水稻田和犁地中的生长。