Chemistry of Heterocyclic Compounds p. 624 - 627 (1988)
Update date:2022-08-25
Topics:
Salekh, M.A.
Kurkovskaya, L.N.
Krasavina, L.S.
Persianova,I.V.
Vigdorchik, M.M.
Suvorov, N.N.
The pKa values for the 5- and 6-aminoindoles were determined from potentiometric titration curves and from 13C NMR data on the total change of the chemical shifts of the carbon atom signals on protonation of the amino group.The pKa values obtained (5.99 and 5.53) were higher then those of aniline (3.92) or β-naphthylamine (3.39).
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