申请人:Sumitomo Chemical Company, Ltd.
公开号:US04849011A1
公开(公告)日:1989-07-18
Provided herein is a comound of the formula: ##STR1## wherein R.sup.1 is a C.sub.1 -C.sub.2 alkyl group; R.sup.2 is a hydrogen atom, halogen atom, methyl group, or trifluoromethyl group at the o- or m-position; R.sup.3 is a halogen atom, methyl group, or trifluoromethyl group; and X is an oxygen or sulfur atom. It has an outstanding herbicidal effect and selectivity for crop plants and weeds. It is useful as a herbicide.
本文提供的是一种化合物,其化学式为:##STR1## 其中R.sup.1是一个C.sub.1 -C.sub.2烷基基团;R.sup.2是o-或m-位置的氢原子、卤原子、甲基基团或三氟甲基基团;R.sup.3是卤原子、甲基基团或三氟甲基基团;X是氧原子或硫原子。它具有出色的除草效果,对作物植物和杂草有选择性。它可用作除草剂。