Chemistry of Heterocyclic Compounds p. 186 - 192 (1986)
Update date:2022-08-06
Topics:
Kochkanyan, R. O.
Zaritovskii, A. N.
Kruglova, A. B.
Klyuev, N. A.
Azole betaines containing vicinal formyl and pyridinium groups react with aromatic amines to give, when protonated by weak or strong acids, azolidine-2,4-dione-5-aldehyde azomethines (I) or 4-aryliminoazolidin-2-ones (II), respectively.Compound (I) is for
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