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3,3′‐Oxybispyridine and the polarographic reduction of 1,1′‐dimethyl‐3,3′‐oxybispyridinediium diiodide
Author(s) -
Barker David J.,
Summers Lindsay A.
Publication year - 1983
Publication title -
journal of heterocyclic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.321
H-Index - 59
eISSN - 1943-5193
pISSN - 0022-152X
DOI - 10.1002/jhet.5570200550
Subject(s) - chemistry , medicinal chemistry , polarography , salt (chemistry) , iodide , inorganic chemistry , organic chemistry
3,3′‐Oxybispyridine is prepared by reaction of 3‐hydroxypyridine with 3‐bromopyridine and converted to the 1,1′‐dimethyl diquaternary salt with methyl iodide. The salt is reduced polarographically by a one electron transfer not involving hydrogen to an unstable radical cation at a potential (E o ) of −0.81 V in the pH range 6.3‐12.0.