Sulfonamide derivatives of formula
or
wherein R is H or CH3;
R, and R1 are H, halogen, or various organic groups;
Q and Q' are organic groups;
W is 0 or S;
A is a mono- or bicyclic heterocyclic group e.g. pyrimidinyl or triazinyl;
X is CH3, OCH3, OCH2CH3, CH2OCH3 or OCF2H; Z is CH or N;
and their agriculturally suitable salts, exhibit potent herbicidal activity. Some also show plant growth regulant activity.
The novel compounds may be made by a variety of techniques, e.g. by reacting an appropriate thiophenesulfonyl isocyanate with an appropriate heterocyclic amine.
式的磺
酰胺衍
生物
或
其中 R 为 H 或
CH3;
R 和 R1 为 H、卤素或各种有机基团
Q 和 Q' 是有机基团
W 是 0 或 S;
A 是单环或双环杂环基团,如
嘧啶基或三嗪基;
X 是 、O 、OCH2 、CH2O 或 O
CF2H;Z 是 CH 或 N;
及其农业上适用的盐类具有很强的除草活性。有些还具有植物生长调节活性。
这些新型化合物可以通过多种技术制成,例如通过使适当的
噻吩磺酰基
异氰酸酯与适当的杂环胺反应。