Synthesis of condensed derivatives of indolo[2,3-c]pyrylium salts and β-carbolines |
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| Authors: | V I Dulenko V I Luk'yanenko A V Kibal'nyi A A Malienko Yu A Nikolyukin |
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| Institution: | (1) Institute of Physical Organic Chemistry and Coal Chemistry, Academy of Sciences of the Ukrainian SSR, 340114 Donetsk |
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| Abstract: | 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  -carbolines — derivatives of the natural alkaloid harman.Deceased.Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 3, pp. 363–366, March, 1985. |
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