Certain sulfonylurea compounds such as 2-[[[4-methoxy-6-(methylselenylmethyl)pyrimidin-2-yl]aminocarbonyl]aminosu lfonyl]benzoic acid, methyl ester and 2-[[[4-methoxy-6-(phenylthiomethyl)pyrimidin-2-yl]-aminocarbonyl]aminosulf onyl]benzoic acid, methyl ester provide herbicidal activity.
Certain N-[(heterocyclic)aminocarbonyl]thiazolesulfonamides, such as N-[(4-methoxy-6-methylpyrimidin-2-yl)aminocarbonyl]-4-thiazolesulfonamide, are useful as herbicides and/or plant growth regulants.
Novel N-[pyrimidin-2-yl]- and [triazin-2-yl]-aminocarbonyl]-1,3-benzodioxolesulfonamides and 1,4-benzodioxansulfonamides are useful as plant growth regulants and in particular as herbicides.
Novel N-[pyrimidin-2-yl]- and [triazin-2-yl]aminocarbonyl-1,3-benzodioxolesulfonamides and 1,4-benzodioxansulfonamides are useful as plant growth regulants and in particular as herbicides.
N-[Heterocyclicaminocarbonyl]-8-quinolinesulfonamides such as N-[(4,6-dimethoxy-1,3,5-triazin-2-yl)amino-carbonyl]-8-quinolinesulfonamid e or N-[(4,6-dimethoxy-pyrimidin-2-yl)aminocarbonyl]-8-quinolinesulfonamide are useful for plant growth retardation, brush control and weed control in crops.