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A new approach towards thieno[2,3-h][1,6]naphthyridines
Maria P. Goykalova (Averyasova)
1 ,
Victor V. Dotsenko
* 1, 2, 3 ,
Elena A. Chigorina
4 ,
Nikolay A. Aksenov
3 ,
Inna V. Aksenova
3 ,
Vladimir D. Strelkov
1, 5
1  Kuban State University, 149 Stavropolskaya Str., Krasnodar 350040, Russian Federation
2  ChemEx Lab, Vladimir Dal’ Lugansk National University, Lugansk, 91034 Russia.
3  North-Caucasus Federal University, 1 Pushkina St., 355009 Stavropol, Russian Federation
4  Federal State Unitary Enterprise «Research Institute of Chemical Reactants and Ultrapure Compounds (IREA)», 3 Bogorodsky Shaft, Moscow 107076, Russia
5  All-Russian Research Institute of Biological Plant Protection, Laboratory of plant growth regulators, 350039 Krasnodar, Russian Federation
Published: 07 November 2017 by MDPI in The 21st International Electronic Conference on Synthetic Organic Chemistry session General Organic Synthesis
https://doi.org/10.3390/ecsoc-21-04852
Abstract:

Triethylammonium salts of (4-aryl-3-cyano-6-oxo-1,4,5,6-tetrahydropyridin-2-yl)malononitriles were prepared by reaction of aldehydes with Meldrum's acid and 2-amino-1,1,3-tricyanopropene (malononitrile dimer) in the presence of triethylamine. Upon treatment with alpha-mercaptocarbonyl compounds in the presence of alkali, new thieno[2,3-h][1,6]naphthyridines were prepared in good yields.

Keywords: Meldrum's acid, 2-amino-1,1,3-tricyanopropene, malononitrile dimer, thieno[2,3-h][1,6]naphthyridines
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23 May 2018
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