Substituted pyridyloxyureas and use thereof as herbicides
申请人:Kumiai Chemical Industry Co., Ltd.
公开号:US05112385A1
公开(公告)日:1992-05-12
A substituted aryloxyurea of the formula: ##STR1## wherein Ar represents ##STR2## in which X.sup.7 represents a hydrogen atom, a halogen atom, a cyano group, a lower alkoxy group or a trifluoromethyl group, and R.sup.1 and R.sup.2 together form together with carbon and the nitrogen atom to which they are bonded a 4-8 membered heterocyclic ring. The substituted aryloxyureas exhibit an excellent herbicidal efficacy against weeds when applied, for example, to the weeds in a wide range of period from a preemergence stage to a growth stage. The substituted aryloxyureas of the invention have the excellent advantage of maintaining high safety on crops or crop plants in spite of their herbicidal efficacy.
ARYLOXYUREAS, PROCESS FOR THEIR PREPARATION, AND THEIR USE
申请人:MITSUI PETROCHEMICAL INDUSTRIES, LTD.
公开号:EP0270683A1
公开(公告)日:1988-06-15
Novel aryloxyureas, process for their preparation, and herbicides containing them as effective ingredients. The aryloxyureas exhibit an excellent herbicidal effect when applied to weed over a wide range of stages of, for example, preemergence to growing. The aryloxyureas have an advantage that they exhibit the herbicidal effect with high safety for crops and crop plants.
Substituted aryloxyureas, processes for production thereof and uses
申请人:Kumiai Chemical Industry Co.
公开号:US04968341A1
公开(公告)日:1990-11-06
Novel substituted aryloxyureas, processes for their production, and herbicides comprising them as active ingredients are provided. The substituted aryloxyureas exhibit an excellent herbicidal efficacy against weeds when applied, for example, to the weeds in a wide range of period from a preemergence stage to a growth stage. The substituted aryloxyureas of the invention have the excellent advantage of maintaining high safety on crops or crop plants in spite of their herbicidal efficacy.