申请人:E.I. DU PONT DE NEMOURS AND COMPANY
公开号:EP0042750A2
公开(公告)日:1981-12-30
Compounds of the formula
wherein
A is H or C1-C4 alkyl;
E is H. Cl, Br, F. CF3, CH3 or OCH3;
G is H or Cl;
D is H, CH3 or CO2R8;
L is H, CH3 or C2H5;
Q is -CH=CH- or -CH2CH2-;
n is 0 or 1;
W is CN or C(O)R or
R is Cl, XR1, NR2R3, OH or OM;
M is an agriculturally suitable salt;
X is O or S;
R, is selected from various organic groups;
R2 is H or various organic groups;
R3 is H or'alkyl;
m is 0, 1. 2 or 3;
Y and Z are independently N or N→O;
exhibit herbicidal activity. They may be used as total herbicides or, in some cases, for selectively controlling grass weeds in broad-leaf crops.
The compounds may be formulated for use in conventional manner. They may be made by a variety of methods. for example by reacting an alkali metal salt of a compound of the formula
with a 2-haloquinoxaline of the formula
式中的化合物
式中
A 是 H 或 C1-C4 烷基;
E 是 H、Cl、Br、F、CF3、CH3 或 OCH3;
G 是 H 或 Cl
D 是 H、CH3 或 CO2R8;
L 是 H、CH3 或 C2H5;
Q 是-CH=CH-或-CH2CH2-;
n 是 0 或 1;
W 是 CN 或 C(O)R 或
R 是 Cl、XR1、NR2R3、OH 或 OM;
M 是农业上适用的盐;
X 是 O 或 S;
R 选自各种有机基团;
R2 是 H 或各种有机基团
R3 是 H 或'烷基;
m为0、1、2或3;
Y和Z独立地为N或N→O;
具有除草活性。它们可用作全除草剂,或在某些情况下用于选择性控制阔叶作物中的禾本科杂草。
这些化合物可按常规方法配制使用。它们可以通过多种方法制得,例如,将式中化合物的碱金属盐
与式 2-卤代喹喔啉的碱金属盐反应制得。