2-Nitro-5-(substituted-phenoxy) benzoate esters of hydroxyalkanoic acids and derivatives thereof as herbicides
申请人:RHONE-POULENC AGROCHIMIE
公开号:EP0033629A1
公开(公告)日:1981-08-12
Compounds of the formula
wherein
R, is selected from COOH; COOM where M is a cation selected from alkali metals, alkaline earth metals, ammonium, alkyl1-5 and dialkyl2-6$ ammonium: and
where R. and R, are selected from hydrogen and alkYl1-5;
R2 and R, may be the same or different and each is selected from hydrogen; alkyl1-5; QCOOR6 where Q is alkylo-3, R6 is alkyl1-5, hydrogen, a cation selected from alkali metals. alkaline earth metals, ammonium, alkyl1-5 and dialkyl2-6 ammonium; and
and where R, may additionally be COOR7, R7 being alkyl1 -5 when (i) R2 and R3 are both alkyl or (ii) when at least one of R3 and R, is selected from QCOOR6 and
have pre and post emergence herbicidal activity.
式中的化合物
式中
其中 M 是选自碱金属、碱土金属、铵、烷基 1-5 和二烷基 2-6$ 铵的阳离子:以及
其中 R 和 R, 选自氢和烷基 1-5;
R2 和 R,可以相同或不同,并且各自选自氢、烷基 1-5、QCOOR6(其中 Q 是烷基lo-3,R6 是烷基 1-5、氢、选自碱金属、碱土金属、铵、烷基 1-5 和二烷基 2-6 铵的阳离子);以及
当(i)R2 和 R3 都是烷基或(ii)R3 和 R 中至少有一个选自 QCOOR6 和 QCOOR7 时,R7 可以是 COOR7,R7 是烷基 1-5。
具有出苗前和出苗后除草活性。