N-(ARYL ALKYL) ARYLOXY PHENOXY CARBOXYLIC ACID AMIDE COMPOUND AND PREPARATION METHOD AND APPLICATION THEREOF

摘要

Disclosed are an N-(aryl alkyl) aryloxy phenoxy carboxylic acid amide compound expressed by formula (I) and a preparation method and application thereof. Ar1, Ar2, R1, R2, R3, and n in formula (I) are defined as given in the specification. The compound of formula (I) according to the present invention has weeding and/or sterilizing, insecticidal, and acaricidal bioactivities. Some compounds have a very high herbicidal activity, and desirable effects can be achieved with a dosage of 15 to 75 g effective components per hectare.