2-SUBSTITUTED-4-ALKYL OR TRIHALOALKYL-5-OXAZOLECARBOXYLIC ACID DERIVATIVES, THEIR USE AS SAFENING AGENTS AND HERBICIDAL COMPOSITIONS CONTAINING THEM

摘要

Compounds of the formula (I)

wherein R is hydrogen, alkyl containing 1 to 5 carbon atoms, halo alkyl containing 1 to 5 carbon atoms or agriculturally acceptable cations; R1 is alkyl containing 1 to 5 carbon atoms or polyhaloalkyl containing 1 to 5 carbon atoms; R2 is alkoxy containing 1 to 5 carbon atoms, halogen, or phenoxy.
A method for reducing injury to crop plants due to applicition thereto of thiocarbamate or acetanilide hericides which comprises applying to the plant locus a safening effective amount of a compound having the formula (I),
wherein R2 can also be hydrogen.