| abstract |
The invention relates to isoxazole derivatives of formula (I):n n wherein:n Ar represents phenyl optionally substituted by from one tonthree groups and wherein two substituents on adjacent positions ofnthe phenyl ring, together with the two atoms to which they arenattached, form a 5- to 7- membered ring which is optionallynsubstituted ; R represents the hydrogen atom or a group -CO 2 R 3 ; R 1 represents alkyl, haloalkyl or optionally substitutedncycloalkyl; R 3 represents alkyl, alkenyl or alkynyl containing up to sixncarbon atoms which is optionally substituted by one or morenhalogen atoms; nand their use as herbicides. |