Herbicides

摘要

FIELD: agriculture. SUBSTANCE: desired product have formulawhere Ar represents phenyl which may be substituted by 1-3 groups having two substituents, these two substituents are at adjacent positions of phenyl ring and form 5-7-membered ring together with two atoms to which they are bound; R represents atom of hydrogen or -CORgroup; Rrepresents alkyl, halide alkyl or cycloalkyl which may be substituted; Rrepresents alkyl, alkenyl or alkynyl containing up to 6 carbon atoms which may be substituted by one or by definite number of halide atoms. Said compounds are proposed as herbicide. EFFECT: improves quality of desired product.