Compounds and method for selectively controlling weeds in the presence of valuable crops
申请人:THE DOW CHEMICAL COMPANY
公开号:EP0109751A1
公开(公告)日:1984-05-30
Novel compounds having the formula
wherein
A and B are each independently 0, S, NH or N-alkyl;
D is N, which may be ortho, meta or para to B;
R is H, halogen or lower alkyl;
R1 is a monovalent organic radical which may contain N, O or S atoms; and
X, Y and Z are each independently halogen, CN, N02, trifluoromethly, hydrogen, lower alkyl, lower alkoxy, lower halogenated alkoxy, CHCl2, CCl3, CHF2, CCl2F, or CCIF2; and their optically active isomers, which are selective herbicides useful for controlling weeds in valuable crops.
具有以下式子的新型化合物
式中
A和B各自独立地为0、S、NH或N-烷基;
D 是 N,可以是 B 的正链、偏链或对链;
R 是 H、卤素或低级烷基;
R1 是一价有机基,可包含 N、O 或 S 原子;以及
X、Y 和 Z 各自独立地为卤素、CN、N02、三
氟甲基、氢、低级烷基、低级烷氧基、低级卤代烷氧基、
CHCl2、
CCl3、
CHF2、
CCl2F 或 CCIF2;以及它们的光学活性异构体,它们是选择性
除草剂,可用于控制有价值作物中的杂草。