Chemistry of Heterocyclic Compounds p. 302 - 305 (1985)
Update date:2022-09-26
Topics:
Dulenko, V. I.
Luk'yanenko, V. I.
Kibal'nyi, A. V.
Malienko, A. A.
Nikolyukin, Yu. A.
Tetra- and pentacyclic indole<2,3-c>pyrylium salts were obtained by acylation of 2-(3-indolyl)dimedone and 2-(1-ethyl-3-indolyl)indan-1,3-dione.The latter salts by the action of ammonia are converted to the corresponding β-carbolines - derivatives of the
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