Sulfonylurea derivative of the general formula
wherein
D is substituted phenyl, benzyl or phenoxy;
R is H or CH3; and
A is a selected from specified mono- or bicyclic heterocyclic groups;
and their agriculturally suitable salts, exhibit useful herbicidal and plant growth regulant activities. They may be formulated for agricultural use in conventional manner.
The novel compounds may be made in a variety of ways, e.g. by reacting
通式如下的磺酰
脲衍
生物
其中
D 是取代的
苯基、
苄基或
苯氧基;
R 是 H 或
CH3;以及
A 选自特定的单环或双环杂环基团;
以及它们在农业上适用的盐类,具有有用的除草和植物生长调节活性。它们可按常规方法配制成农用制剂。
新型化合物的制造方法多种多样,例如通过以下反应