A description is given of 4-trifluoromethylpyrazolyl-substituted pyridines and pyrimidines of the formula (I) and of their use as herbicides.
1
In this formula (I), R
1
, R
2
, R
3
and R
4
stand for various radicals, A for an aromatic or heteroaromatic radical, and Z denotes a nitrogen or carbon atom.
给出了式子(I)中4-三
氟甲基
吡唑基取代的
吡啶和
嘧啶的描述,并介绍了它们作为
除草剂的用途。在公式(I)中,R1、R2、R3和R4代表不同的基团,A代表芳香或杂环基团,Z表示氮或碳原子。