Herbicidal 4-heteroaroylisoxazole derivatives

4-heteroaroylisoxazole derivatives of formula I: wherein Ar represents an optionally substituted group Het, wherein Het represents a first heterocyclic ring containing from one to four heteroatoms in the ring selected from oxygen, nitrogen and sulphur, which is optionally fused with a benzene, or ca...

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Bibliographic Details
Main Authors SMITH, PHILIP HENRY, G, CRAMP SUSAN MARY
Format Patent
LanguageEnglish
Published 23.02.1998
Edition6
Subjects
AGRICULTURE
ANIMAL HUSBANDRY
BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES, AS HERBICIDES
CHEMISTRY
FISHING
FORESTRY
HETEROCYCLIC COMPOUNDS
HUMAN NECESSITIES
HUNTING
METALLURGY
ORGANIC CHEMISTRY
PEST REPELLANTS OR ATTRACTANTS
PLANT GROWTH REGULATORS
PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTSTHEREOF
TRAPPING
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Summary:4-heteroaroylisoxazole derivatives of formula I: wherein Ar represents an optionally substituted group Het, wherein Het represents a first heterocyclic ring containing from one to four heteroatoms in the ring selected from oxygen, nitrogen and sulphur, which is optionally fused with a benzene, or carbocyclic or second heterocyclic ring (which is optionally saturated or partially saturated) to form a bicyclic system, wherein the first heterocyclic ring of the group Het is attached to the carbonyl group in the 4-position of the isoxazole ring provided that Het is not pyridinyl or thienyl; R represents hydrogen or -CO2R ; R' represents alkyl or haloalkyl or a cycloalkyl group optionally substituted by one or more groups R ; R and R independently represent alkyl or haloalkyl; agriculturally acceptable salts thereof and their use in weed control is described.
Bibliography:Application Number: PH19930046896