Synthesis and characterization of 2-(4-aryl-3-cyano-6-methylpyridin-2(1H)-ylidene)malononitriles

[Display omitted] •Synthesis of novel pyridines with tricyanobutadienes fragment was described.•A plausible mechanism for the reaction was proposed.•The oxygen of air as a dehydrogenation reagent was used.•The optical and electrochemical properties of synthesized compounds were studied. The synthesi...

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Bibliographic Details
Published in:Tetrahedron letters 2019-04, Vol.60 (17), p.1170-1173
Main Authors: Bardasov, Ivan N., Alekseeva, Anastasiya U., Chunikhin, Sergey S., Shishlikova, Maria A., Ershov, Oleg V.
Format: Article
Language:English
Subjects:
Malononitrile dimer
Pyridines
Spectral-luminescent properties
Tricyanobutadiene fragment
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Summary:[Display omitted] •Synthesis of novel pyridines with tricyanobutadienes fragment was described.•A plausible mechanism for the reaction was proposed.•The oxygen of air as a dehydrogenation reagent was used.•The optical and electrochemical properties of synthesized compounds were studied. The synthesis of pyridine derivatives containing a buta-1,3-diene-1,1,3-tricarbonitrile fragment via the base-promoted reaction of benzalacetones and malononitrile dimer with subsequent oxidation is described. The influence of the substituents on the spectral-luminescent and electrochemical properties was also investigated.
ISSN:0040-4039
1873-3581
DOI:10.1016/j.tetlet.2019.03.054