Acid-catalyzed acylation of 4-alkyl-3-azapyrylium salts and the synthesis of 4-acylaminopyrylium salts |
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| Authors: | N V Shibaeva S V Borodaev I A Yudilevich A P Knyazev A D Dubonosov A I Pyshchev S M Luk'yanov |
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| Institution: | (1) Scientific Research Institute of Physical and Organic Chemistry, Rostov State University, Rostov-on-Don |
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| Abstract: | 4-Alkyl-3-azapyrylium salts undergo acylation at the alkyl group under acid-catalyzed conditions to give 4-acylmethyl-3-azapyrylium derivatives, which upon heating in proton-donating solvents recyclize to give 4-acylaminopyrylium salts.Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 2, pp. 265–269, February, 1991. |
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