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Your search keyword '"Alekseeva, Anastasiya U."' showing total 7 results
Start Over Author "Alekseeva, Anastasiya U." Topic heterocyclic compounds
7 results on '"Alekseeva, Anastasiya U."'

1. One-pot synthesis of annulated 1,8-naphthyridines.

Author

Bardasov, Ivan N., Alekseeva, Anastasiya U., Yaschenko, Nataliya N., Zhitar, Svetlana V., and Lyshchikov, Anatoliy N.

Subjects
*CYANIDES, *HETEROCYCLIC compounds, *CONDENSATION, *MICHAEL reaction, *NAPHTHYRIDINES
Abstract

Annulated 1,8-naphthyridines were synthesized by one-pot reaction of aromatic aldehyde, malononitrile dimer and enehydrazinoketone. [ABSTRACT FROM AUTHOR]

Published
2017
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2. New approach to synthesis of 4-arylcoumarin derivatives.

Author

Bardasov, Ivan N., Alekseeva, Anastasiya U., Ershov, Oleg V., Surazhskaya, Marina D., Churakov, Andrei V., and Grishanov, Dmitry A.

Subjects
*COUMARIN derivatives, *COUMARINS, *HETEROCYCLIC compounds synthesis, *CARBONITRILES, *HYDROLYSIS, *OXIDATION, *MICHAEL reaction
Abstract

A simple and highly efficient new approach for the synthesis of 4-aryl-2-oxo-2 H -chromene-3-carbonitriles based on the oxidation and hydrolysis of 2-amino-4-aryl-4 H -chromene-3-carbonitriles is described. [ABSTRACT FROM AUTHOR]

Published
2015
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3. One-pot synthesis of 2-(dicyanomethylene)-1,2-dihydropyridine derivatives.

Author

Bardasov, Ivan N., Alekseeva, Anastasiya U., Mihailov, Denis L., Ershov, Oleg V., Nasakin, Oleg E., and Tafeenko, Viktor A.

Subjects
*DIHYDROPYRIDINE, *CARBENES, *CHEMICAL derivatives, *MALONONITRILE, *DIMERS, *CARBONYL compounds
Abstract

Abstract: The synthesis of 2-(dicyanomethylene)-1,2-dihydropyridine derivatives from the reactions of arylmethylidene derivatives of malononitrile dimers with 1,3-dicarbonyl compounds is described. [Copyright &y& Elsevier]

Published
2014
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4. Double heteroannulation reactions of 1-naphthol with alkyl- and arylmethylidene derivatives of malononitrile dimer.

Author

Bardasov, Ivan N., Alekseeva, Anastasiya U., Mihailov, Denis L., Ershov, Oleg V., and Grishanov, Dmitry A.

Subjects
*PYRIDINE synthesis, *ANNULATION, *NAPHTHOL, *ALKYL compounds, *METHYLIDENES, *MALONONITRILE, *DIMERS
Abstract

The synthesis of 7 H -benzo[7,8]chromeno[2,3- b ]pyridine derivatives from the reactions of arylmethylidene derivatives of malononitrile dimer with 1-naphthol is described. [ABSTRACT FROM AUTHOR]

Published
2015
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5. A new heterocycle: furo[3,2-c]isoselenazole.

Author

Bardasov, Ivan N., Mikhailov, Denis L., Alekseeva, Anastasiya U., Ershov, Oleg V., and Tafeenko, Viktor A.

Subjects
*HETEROCYCLIC compounds, *AZOLES, *CYANATES, *POTASSIUM, *MALONONITRILE
Abstract

New heterocycles, furo[3,2- c ]isoselenazoles, were obtained by the reaction of 2-[amino(2-cyano-3-aryloxiran-2-yl)methylene]malononitriles with potassium selenocyanate. [ABSTRACT FROM AUTHOR]

Published
2016
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6. Heterocyclization of arylmethylidene derivatives of malononitrile dimer: synthesis of 4-amino-6-aryl-2-halopyridine-3,5-dicarbonitriles

Author

Bardasov, Ivan N., Mihailov, Denis L., Alekseeva, Anastasiya U., Ershov, Oleg V., and Nasakin, Oleg E.

Subjects
*AROMATIC compounds, *MALONONITRILE, *CHEMICAL reactions, *ORGANIC synthesis, *OXIDIZING agents, *SOLUTION (Chemistry)
Abstract

Abstract: The synthesis of 4-amino-6-aryl-2-halopyridine-3,5-dicarbonitriles from the reaction of arylmethylidene derivatives of malononitrile dimer with hydrohalic acid in the presence of an oxidizing agent is described. [Copyright &y& Elsevier]

Published
2013
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7. ChemInform Abstract: A New Heterocycle: Furo[3,2-c]isoselenazole.

Author

Bardasov, Ivan N., Mikhailov, Denis L., Alekseeva, Anastasiya U., Ershov, Oleg V., and Tafeenko, Viktor A.

Subjects
*HETEROCYCLIC compounds, *NITRILES
Abstract

Previously undescribed isoselenazoles (II) are obtained by a simple domino process in one synthetic operation from malononitriles (I) with potassium selenocyanate. [ABSTRACT FROM AUTHOR]

Published
2016
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