Reactions of Malononitrile with Cross-conjugated Dienone Derivatives of Cyclohexane. Synthesis of Substituted Partially Hydrogenated Quinoline- and Chromenecarbonitriles
- Authors: Vasilkova N.O.1, Kalugina A.S.1, Nikulin A.V.1, Krivenko A.P.1
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Affiliations:
- Institute of Chemistry
- Issue: Vol 55, No 7 (2019)
- Pages: 995-998
- Section: Article
- URL: https://bakhtiniada.ru/1070-4280/article/view/220897
- DOI: https://doi.org/10.1134/S1070428019070145
- ID: 220897
Cite item
Abstract
The condensation of malononitrile with unsymmetrical dienones of the cyclohexane series under basic conditions selectively afforded substituted tetrahydroquinolinecarbonitriles. The reaction of 2,6-bis-(3-nitrophenylmethylidene)cyclohexan-1-one with malononitrile under similar conditions led to the formation of substituted tetrahydrochromenecarbonitrile. Factors determining the reaction direction and selectivity were discussed. The structure of the newly synthesized compounds was confirmed by IR and 1H NMR spectra.
About the authors
N. O. Vasilkova
Institute of Chemistry; Institute of Chemistry
Author for correspondence.
Email: vasilkovano@mail.ru
Russian Federation, Saratov; Saratov
A. S. Kalugina
Institute of Chemistry
Email: vasilkovano@mail.ru
Russian Federation, Saratov
A. V. Nikulin
Institute of Chemistry
Email: vasilkovano@mail.ru
Russian Federation, Saratov
A. P. Krivenko
Institute of Chemistry
Email: vasilkovano@mail.ru
Russian Federation, Saratov
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