
Chemistry of Heterocyclic Compounds p. 761 - 764 (1989)
Update date:2022-08-04
Topics:
Karymova, T. M.
Abramenko, P. I.
Kirillova, K. M.
Kazymov, A. V.
Klimova, L. I.
Gorokhovskaya, V. I.
Symmetrical bis-indolylphthalides, having electron-releasing and electron-withdrawing substituents on the indole rings, were obtained from the reaction between an indole and an unsubstituted or substituted phthalic anhydride.Unsymmetrical indolylphthalides were synthesized by the condensation of 3-(o-carboxybenzoyl)indole with a substituted indole.A relationship was found to exist between the nature of the substituent, and the spectral and acid-base properties of the compounds.
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