Compounds of the formulae
wherein R is H or an organic substituent;
G is Cl, alkoxy or alkynhio;
W is O, S. NR" or NOR";
R" is H, alkyl or haloalkyl;
L is an aryl or heteroaryl moiety of defineo structure: and
A is a bicyclic, tricvclic or quadncyclic heterocyclic group;
and their agriculturally suitable salts. exhibit herbicidal activity, some also show a piant growth regulant action.
The novel compounds (Ia) may be made by a variety of synthetic routes, e.g. by reacting an acyl chloride ACOCI with a sulfonamide of formuia RNHSO2L The compounds (Ib) may be made from the compounds (Ia) by appropriate halogenation or alkylation procedures.
式中的化合物
其中 R 是 H 或有机取代基;
G 是 Cl、烷氧基或炔
硫基;
W 是 O、S、NR "或 NOR";
R" 是 H、烷基或卤代烷基;
L 是定义结构的芳基或杂芳基:以及
A 是双环、
三环或四环杂环基团;
它们具有除草活性,有些还具有生长调节作用。
新型化合物(Ia)可以通过多种合成途径制得,例如通过酰基
氯 ACOCI 与甲磺酰胺 RNHSO2L 反应制得。