Herbicidal quinolinyloxadiazoles

Abstract

The present invention relates to novel quinolinyloxadiazole derivatives of the following formula (I) having processes for their preparation and their use as herbicides and plant growth regulants, especially their use in the selective kill and control of barnyardgrass in the presence of rice. ##STR1## wherein, A and B are selected from the group consisting of hydrogen, halogen and C.sub.1 -C.sub.3 lower alkyl; R is a C.sub.3 -C.sub.4 alkyl or cycloalkyl, phenyl, pyridyl, benzyl, phenoxyalkyl or phenylthioalkyl, and aromatic groups in these radicals are optionally substituted with 1.about.3 substituents selected from the group consisting of halogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, C.sub.1 -C.sub.4 alkylthio C.sub.2 -C.sub.6 alkoxyalkyl and an anolog thereof.

Dependencies are inferred from the claim text.