Reaction of 2,2,3,3-Tetracyanocyclopropanecarboxylic Acid with Iodides. Synthesis of 3-Cyano-4-dicyanomethylidene-5-oxo-4,5-dihydro-1<Emphasis Type="Italic">H</Emphasis>-pyrrol-2-olates |
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| Authors: | O V Kayukova Ya S Kayukov A N Nikolaev V A Tafeenko O V Ershov O E Nasakin |
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| Institution: | (1) I.N. Ul’yanov Chuvash State University, Moskovskii pr. 15, Cheboksary, 428015, Russia;(2) Faculty of Chemistry, Lomonosov Moscow State University, Vorob’evy gory 1, Moscow, 119992, Russia |
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| Abstract: | Reactions of 2,2,3,3-tetracyanocyclopropanecarboxylic acid with potassium, sodium, calcium, strontium, barium, ammonium, N-methylpyridinium, N-methylquinolinium, N,N-dimethyl-1,4-diazabicyclo-2.2.2]octane-1,4-diium, and N,N-dimethylanilinium iodides afforded the corresponding 3-cyano-4-dicyanomethylidene-5-oxo-4,5-dihydro-1H-pyrrol-2-olates.__________Translated from Zhurnal Organicheskoi Khimii, Vol. 41, No. 4, 2005, pp. 535–538.Original Russian Text Copyright © 2005 by Kayukova, Kayukov, Nikolaev, Tafeenko, Ershov, Nasakin. |
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