| 摘要 |
Provided is a method of manufacturing a bipyridinium compound denoted by general formula (A). In general formula (A), Ar1 and Ar2 each independently denote an optionally substituted (hetero)aryl group, R3 and R4 each independently denote a substituent that may form a ring with a pyridine ring to which the substituent substitutes, m3 and m4 each independently denote an integer ranging from 0 to 4, X denotes a halogen atom or RSO3, and R denotes an optionally substituted aryl group or alkyl group. The method can manufacture a 4,4'-bipyridinium compound under mild reaction conditions in an integrated manner without separation of intermediates.
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