Issue 13, 1977

Oxidation of some 4-substituted N-aminopyridinium salts

Abstract

Oxidation of 4-substituted N-aminopyridinium salts with aqueous bromine yields either the corresponding 1,1′-azopyridinium salts or 1-pyridiniopyridinium salts depending upon the nature of the 4-substituent. Thus N-amination and subsequent oxidation of 4-dimethylamino-, 4-methylphenylamino-, 4-methoxy-, and 4-methyl thio-pyridine yields the corresponding tetrazenes, but similar treatment of 4-t-butyl- 4-methyl-pyridine yields the corresponding 1-pyridiniopyridinium salts.

Article information

Article type
Paper

J. Chem. Soc., Perkin Trans. 1, 1977, 1593-1596

Oxidation of some 4-substituted N-aminopyridinium salts

D. G. Doughty and E. E. Glover, J. Chem. Soc., Perkin Trans. 1, 1977, 1593 DOI: 10.1039/P19770001593

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