Journal of the Chemical Society. Chemical communications p. 816 - 817 (1983)
Update date:2022-08-11
Topics:
Andreasson, Eva
Newton, Christopher G.
Ollis, W. David
Rees, Charles W.
Smith, David I.
Wright, Derek E.
Nitration of the imidazo<1,2-a>pyridines (1) or (2), (5) or (6), and (9) with nitric and sulphuric acids gives the pyridinium dinitromethylides (4a), (8), and (10), respectively, in which the pyridinium and dinitromethylide groups are orthogonal.
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