Korea Research Institute of Chemical Technology

Jae N Kim

Eung K Ryu

Jin Seo Kim

Hyoung Rae Kim

Kyoung Min Kim

Kyung Sik Hong

Kun Hoe Chung

Jong Hwan Song

Jin Seog Kim

Kyoung Mahn Kim

Won H Lee

The present invention relates to novel cyclohexane-1-3-dione derivatives of formula (1) useful as herbicides and plant-growth regulants, ##STR1## wherein X is selected from the group consisting of hydrogen, halogen, C.sub.1 -C.sub.6 alkyl, C.sub.2 -C.sub.6 alkoxy, C.sub.1 -C.sub.6 haloalkyl, nitro, C.sub.1 -C.sub.6 alkylthio, C.sub.1 -C.sub.6 alkylsulfinyl, C.sub.1 -C.sub.6 alkylsulfonyl, C.sub.1 -C.sub.6 sulfamoyl, and N, N-di(C.sub.1 -C.sub.6 alkyl)sulfamoyl group; (X)n represents the number of X substituents which may be substituted on benzene ring, wherein n is 1, 2 or 3. Also, cyclohexyl moiety, one of the substituents on benzofuran ring, is substituted at C-4, C-5, C-6 or C-7 position on benzene ring; R.sup.1 is selected from the group consisting of hydrogen and C.sub.1 -C.sub.6 alkyl group; R.sup.2 is selected from the group consisting of C.sub.1 -C.sub.6 alkyl, C.sub.2 -C.sub.6 alkenyl and C.sub.2 -C.sub.6 alkynyl group; R.sup.3 is selected from the group consisting of hydrogen, C.sub.1 -C.sub.6 alkyl, C.sub.1 -C.sub.6 haloalkyl, C.sub.2 -C.sub.6 alkenyl, C.sub.2 -C.sub.6 haloalkenyl, C.sub.2 -C.sub.6 alkoxyalkyl, C.sub.2 -C.sub.6 alkylthioalkyl, benzyl and C.sub.2 -C.sub.6 haloalkanoyl group; R.sup.4 is selected from the group consisting of hydrogen, alkali metal cation, alkaline earth metal cation, C.sub.1 -C.sub.4 alkanoyl, C.sub.1 -C.sub.4 haloalkanoyl and benzoyl group.

Herbicidal cyclohexane-1,3-dione derivatives and their preparation

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;

Herbicidal quinolinyloxadiazoles

Growing community of inventors

Daejeon, South Korea

Jae N Kim