Verfahren zur Herstellung von Bipyridyliumsalzen und verwandten Verbindungen

摘要

A process for the production of 1,1'-disubstituted-4,4'-bipyridylium salts which comprises reacting the corresponding 1,1'-disubstituted-1,1',4,4'-tetrahydro-4,4'-bipyridyl with a free radical compound.