
Chemistry of Heterocyclic Compounds p. 61 - 65 (1985)
Update date:2022-08-04
Topics:
Simakov, S. V.
Velezheva, V. S.
Kozik, T. A.
Suvorov, N. N.
3-Aminoindoles substituted at C-2 and C-5 of the indole ring are converted by the action of Vilsmeier complexes into N-(indol-3-yl)-N',N'-dialkylamidines.When C-2 is unsubstituted, the formylation proceeds but not the acetylation of this position.N-(Indol-3-yl)-N',N'-dimethylacetamidine reacts with the complex obtained from DMF and POCl3 to give 2-dimethylamino-3-formyl-δ-carboline.The optimal conditions were found for the conversion of amidines to amides.
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