Tetrahedron p. 1057 - 1062 (1999)
Update date:2022-08-17
Topics:
Scheytza, Holger
Reissig, Hans-Ulrich
Instead of the expected neutral radical the reduction of a quinoxaline bridged 4,4-bipyridinium salt by disodium dithionite (DSD) in water renders 2,3-dimethylquinoxaline and 4,4'-bipyridine. In contrast, with more electron- rich arenes used as spacer groups no decomposition products were observed. The mechanism of the chemically induced decomposition and the electrochemical properties of the starting compounds are reported.
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