| 摘要 |
<p>Described is a method for the preparation of heterocyclic compounds of the general formula (I), in which substituents have the meaning stated in description, which is based on reaction of compounds of the general formula (II), in which A, D and X have meaning stated in description with a base and in the presence of a diluent and the reaction mixture is then reacted with the mixture of CCMP/CMP, thus (2-chloro-5-chloromethylpyridine/2- chloro-5-methylpyridine) and the appropriate hydrochlorides.</p> |
