Синтез и фармакологическое изучение производных 2,3,4-триаминопиридинов

A series of 2-chloro-, 2-amino-, and 2-thio-substituted 6-methyl-3-nitro-4-(phenylamino)pyridines have been synthesized via the reduction of 2-amino 6-methyl-3-nitro-4-(phenylamino) pyridines followed by transformation of the intermediate substituted 2,3,4-triaminopyridines into bicyclic compounds. The results of biological investigations showed that some of the synthesized compounds produce effects on the central nervous system.