New Approach to the Functionalization of δ-Carboline Derivatives. -The possibility of the transformation of carbolin-2-ones such as (I) into 2-aminocarboline derivatives is demonstrated. 1-Aryl-2-aryliminocarbolines (IX) are found to rearrange into 2-diarylaminocarbolines (X) on heating above the melting point or on treatment with tBuOK. -(RYABOVA, S. YU.; ALEKSEEVA, L. M.; LISITZA, E. A.; SHASHKOV, A. S.; CHERNYSHEV, V. V.; TICHOMIROVA, G. B.; GOYZMAN, M. S.; GRANIK, V. G.; Russ. Chem.
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