The invention relates to new aryloxy phenoxy acyl malonates of the Formula I ##STR1## a process for the preparation thereof and herbicidal compositions comprising the same. In the Formula I R.sup.1 stands for hydrogen, halogen, trifluoromethyl, trifluoromethoxy or cyano; R.sup.2 represents hydrogen, halogen, or methyl; and R.sup.3 is C.sub.1-4 alkyl, and the R.sup.3 substitutents may be the same or different, X stands for --N.dbd. or --CH.dbd. and n is 0 or 1. The new compound of the Formula I possess valuable herbicidal properties.
本发明涉及一种新的配方I的芳氧基苯氧基酰
丙二酸酯化合物,其
化学式为:##STR1## 以及制备该化合物的方法和包含该化合物的
除草剂组合物。在配方I中,R1代表氢、卤素、三
氟甲基、三
氟甲氧基或
氰基;R2代表氢、卤素或甲基;R3代表C1-4烷基,且R3取代基可以相同或不同;X代表--N.dbd.或--CH.dbd.;n为0或1。该化合物具有重要的除草特性。