Chemistry of Heterocyclic Compounds p. 1048 - 1055 (1985)
Update date:2022-08-03
Topics:
Kazantseva, I. V.
Charushin, V. N.
Chuapkhin, O. N.
Chernyshev, A. I.
Esipov, S. E.
4-Morpholinopteridine reacts with triethyloxonium tetra-fluoroborate to give two types of isomeric quaternary salts, viz., 1-ethyl- and 8-ethyl-4-morpholinopteridinium tetrafluoroborates.The structures of the pteridinium cations were proved by the 1H and 13C NMR spectra and also by chemical transormations in reactions with simple nucleophiles.
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