2,6-Disubstituted pyridines and 2,4-disubstituted pyrimidine derivative, process and intermediate product for its preparation, its using, herbicidal agent on its base and method of combating undesired plant growth

摘要

2,6-Disubstituted pyridine and 2,4-disubstituted pyrimidine derivative of the general formula (I), wherein general meaning are claimed in claim 1. Process for preparation of derivatives of the general formula (I), wherein the compound of the formula (III), wherein Hal represents a halogen atom is reacting with compound of the formula A-XM, wherein M is a metal atom, or compound of the formula (XV) is reacting with the compound of the formula R1-H. The compounds of the formula (XV) as intermediate products for preparation of the derivatives of the formula (I). Herbicidal agent on the base of the derivative of the general formula (I). Method of combating undesired plant growth with application of derivative of the formula (I) and its using for mentioned purpose.