Chemistry of Heterocyclic Compounds p. 1091 - 1094 (1988)
Update date:2022-08-05
Topics:
Novikov, V. N.
Tymyanskii, Ya. R.
Feigel'man, V. M.
Knyazhanskii, M. I.
2,6-Diphenyl-4-(5-R-2-furyl)pyrylium and 2,4-diphenyl-6-(5-bromo-2-furyl)pyrylium perchlorates and the corresponding pyridines and 1-methylpyridinium perchlorates were synthesized.On the basis of the UV and PMR spectra it was concluded that there is significant electronic interaction of the furylium substituent with the pyrylium and pyridinium cations.
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