Compounds of the formula
wherein R1 is selected from various aliphatic and aromatic groups;
R2 is H, F, Cl, Br, CH3, OCH3 or CF3;
R3 is H or CH3
X is CH3, OCH3, Cl, OCF2H or SCF2H;
Y is amino or various organic groups;
Z is CH or N;
and their agriculturally suitable salts; exhibit herbicidal activity. They may be formulated for use in conventional manner.
The novel compounds may be made by a variety of methods, e.g. by reacting an appropriately substituted phenylsulfonyl isocyanate with an appropriate 2-amino or 2-methylamino-pyrimidine or 1,3,5-triazine.
式中的化合物
其中 R1 选自各种脂肪族和芳香族基团;
R2 是 H、F、Cl、Br、
CH3、O 或
CF3;
R3 是 H 或
X 是 、O 、Cl、O
CF2H 或 S
CF2H;
Y 是
氨基或各种有机基团
Z 是 CH 或 N;
及其农业上适用的盐类具有除草活性。它们可按常规方法配制使用。
新型化合物可以通过多种方法制成,例如,将适当取代的苯磺酰
异氰酸酯与适当的 2-
氨基或 2-甲基
氨基嘧啶或
1,3,5-三嗪反应。