Interaction of 3-amino-2-(isoxazol-3-yl)-4-methoxymethyl-6-methyl-thieno[2,3-<Emphasis Type="Italic">b</Emphasis>]pyridine with Raney nickel |
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| Authors: | E S Kostenko E A Kaigorodova L D Konyushkin |
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| Institution: | (1) Kuban State Agrarian University, 13 ul. Kalinina, 350044 Krasnodar, Russian Federation;(2) N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, 47 Leninsky prosp., 119992 Moscow, Russian Federation |
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| Abstract: | 3-Amino-2-(isoxazol-3-yl)-4-methoxymethyl-6-methylthieno2,3-b]pyridine was synthesized by the reaction of 2(1H)-thioxopyridine-3-carbonitrile with 3-chloromethylisoxazole in the presence of two equivalents of KOH. Boiling of 3-amino-2-(isoxazol-3-yl)-4-methoxymethyl-6-meth-ylthieno2,3-b]pyridine with Raney nickel results in 4-aminothieno2,3-b;4,5-b′]dipyridine or 5-(4-amino-2-pyridyl)pyridine depending on the reaction conditions.
Published in Russian in Izvestiya Akademii Nauk. Seriya Khimicheskaya, No. 3, pp. 669–670, March, 2008. |
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| Keywords: | 3-amino-2-(isoxazol-3-yl)thieno[2 3-b]pyridine 4-aminothieno[2 3-b 4 5-b′ ]-dipyridine 5-(4-amino-2-pyridyl)pyridine Raney nickel hydrogenolysis β -enaminoaldehyde desulfurization |
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