2-Benzopyrylium salts |
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| Authors: | G. N. Dorofeenko S. V. Krivun V. G. Korobkova |
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| Affiliation: | (1) Scientific-Research Institute of Physical and Organic Chemistry, Rostov State University, Rostov-on-Don |
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| Abstract: | The acylation of esters of 3,4-dimethoxyphenylpyruvic acid with anhydrides of aliphatic acids in the presence of 70% HClO4 leads to the formation of 3-alkoxycarbonyl-1-alkyl-6,7-dimethoxy-2-benzopyrylium salts which, on being boiled with sodium acetate inglacial acetic acid, are converted into 3-alkoxycarbonyl-1-alkyl-6,7-dimethoxyisoquinolines.For Communication XIII, see [1].Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 11, pp. 1458–1460, November, 1973. |
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