申请人:Imperial Chemical Industries Limited
公开号:US04308053A1
公开(公告)日:1981-12-29
Phenoxypyridines of the formula (I) ##STR1## possess herbicidal activity. These compounds are prepared by reacting 2-halogeno-3,5-B,A-substituted pyridine with a 3,4-C,D-substituted phenol in the presence of a base and preferably in the presence of a solvent for the reactants at a temperature in the range from 50.degree. to 150.degree. C. and recovering the compound of formula (I).
式(I)中的苯并吡啶具有除草活性。这些化合物是通过在碱存在下,优选地在反应物的溶剂存在下,在50℃至150℃的温度范围内,将2-卤代-3,5-B,A-取代的吡啶与3,4-C,D-取代的酚反应,并回收式(I)化合物而制备的。