2,6-Dichloro-4-iodopyridine → 2,2',6,6'-Tetrachloro-4,4'-bipyridine

Participants

Reaction Steps

a process of carrying out synthesis by stirring 2,6-dichloro-4-iodopyridine, listed as a starring material in Process (1-B), in the presence of a base by she catalysis of a copper catalyst such as copper powder with heating at 150° C. to 250° C. to yield 2,6,2′,6′-tetrachloro-[4,4′]bipyridyl, and treating this compound by the procedure of Process (B).

Provenance & Evidence