Reactions of 2-(3′-oxoalkyl)-1,3-cyclohexanediones with nitrogenous reagents

Authors

  • T. Д. Казаринова N. G. Chernyshevskii Saratov State University, Saratov 410600
  • Л. И. Маркова N. G. Chernyshevskii Saratov State University, Saratov 410600
  • B. Г. Харченко N. G. Chernyshevskii Saratov State University, Saratov 410600

Abstract

Condensed 1,4-dihydropyridines, which do not contain a substituent in position 4 and which are formed in the reaction of 2-(3′-oxoalkyl)-1,3-cycohexanediones with ammonium acetate in acetic acid, undergo disproportionation. Pyridine bases are formed as the result of two competing reactions: disproportionation and oxidation of 1,4-dihydropyridines, intermediates in the heterocyclization of oxo-1,3-diketones with participation of the nitrogen atom, by air oxygen.

How to Cite
Kazarinova, T. D.; Markova, L. I.; Kharchenko, V. G. Chem. Heterocycl. Compd. 1994, 30, 567. [Khim. Geterotsikl. Soedin. 1994, 647.]

For this article in the English edition, see DOI https://doi.org/10.1007/BF01169836

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Published

1994-05-25

Issue

No. 5 (1994)

Section

Original Papers