Sulfonylurea derivatives of the formula
or
wherein R is CH3 or C2H5;
L and J are aromatic groups of defined structure; and agriculturally acceptable salts thereof;
exhibit herbicidal activity. Some also exhibit plant growth regulant activity.
The compounds may be formulated for agricultural use in conventional manner. They may be made by a variety of synthetic routes, e.g. by reacting an appropriate aromatic sulfonyl isocyanate with the appropriate aminoheterocycle.
式中的磺酰
脲衍
生物
或
其中 R 为
CH3 或
C2H5;
L 和 J 是确定结构的芳香基团;及其农业上可接受的盐类;
具有除草活性。有些还具有植物生长调节活性。
这些化合物可按常规方法配制成农用制剂。这些化合物可以通过多种合成途径制得,如将适当的芳香族磺酰基
异氰酸酯与适当的
氨基杂环反应。