Herbicidal morpholinobenzimidazoles
AssigneeUnited States Borax & Chemical Corporation
InventorsKelvin Kei-Wei Shen, Wayne Stuart Belles
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Abstract
Tricyclic 1,2-morpholinobenzimidazoles having a haloalkyl, alkylsulfonyl, haloalkylsulfonyl, halo or lower alkyl substituent on the aromatic ring para to the morpholino nitrogen. The aromatic ring and morpholino ring may also have other substituents. The compounds are herbicidal, useful as pre-emergence or post-emergence treatments.
Claims18
The method for controlling weed growth which comprises applying to the locus of said weeds a phytotoxic amount of a compound of the formula ##STR5## wherein X is selected from the group consisting of halo-lower alkyl, lower alkylsulfonyl, halo-lower alkylsulfonyl, halo and lower alkyl, R.sub.1 represents hydrogen, lower alkyl or halo, each R.sub.2 is selected from hydrogen, halo, lower alkyl, lower alkoxy, cyano, amino and nitro and each R.sub.3 is selected from hydrogen and lower alkyl.
A compound of the formula ##STR6## in which X is selected from the group consisting of trifluoromethyl, lower alkylsulfonyl, halo-lower alkylsulfonyl and branched chain alkyl of 3 to about 6 carbon atoms, R.sub.1 is hydrogen, lower alkyl or halo, each R.sub.2 is selected from hydrogen, halo, lower alkyl, lower alkoxy, cyano, amino and nitro and each R.sub.3 is selected from hydrogen and lower alkyl.
Dependencies are inferred from the claim text.