BASE-CATALYZED ADDITION OF KETONES TO ALKYNES AS A SPRINGBOARD TO CYCLOALKA[<i>c</i>]PYRAZOLINE-2-CARBALDEHYDES

Authors

  • Elena Yu. Schmidt A. E. Favorsky Irkutsk Institute of Chemistry, Siberian Branch of the Russian Academy of Sciences
  • Elena V. Ivanova A. E. Favorsky Irkutsk Institute of Chemistry, Siberian Branch of the Russian Academy of Sciences
  • Inna V. Tatarinova A. E. Favorsky Irkutsk Institute of Chemistry, Siberian Branch of the Russian Academy of Sciences
  • Igor A. Ushakov A. E. Favorsky Irkutsk Institute of Chemistry, Siberian Branch of the Russian Academy of Sciences
  • Nadezhda I. Protsuk A. E. Favorsky Irkutsk Institute of Chemistry, Siberian Branch of the Russian Academy of Sciences
  • Boris A. Trofimov A. E. Favorsky Irkutsk Institute of Chemistry, Siberian Branch of the Russian Academy of Sciences

DOI:

https://doi.org/10.1007/2204

Keywords:

alkynes, carbaldehydes, ketones, pyrazolines, nucleophilic addition

Abstract

Unknown cycloalka[c]pyrazoline-2-carbaldehydes are obtained in 52–68% yields when the intermediates of base-catalyzed addition of cyclic ketones to phenylacetylene are treated (without isolation) with hydrazine hydrate in formic acid.

How to Cite
Schmidt, E. Yu.; Ivanova, E. V.; Tatarinova, I. V.; Ushakov, I. A.; Protsuk, N. I.; Trofimov, B. A. Chem. Heterocycl. Compd. 2015, 51, 242. [Khim. Geterotsikl. Soedin. 2015, 51, 242.]

For this article in the English edition see DOI 10.1007/s10593-015-1691-8

Author Biography

Nadezhda I. Protsuk, A. E. Favorsky Irkutsk Institute of Chemistry, Siberian Branch of the Russian Academy of Sciences

Химия оксаланов, оксатианов, оксазолов, пиразолов, триазолов

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Published

2015-02-23

Issue

Vol. 51 No. 3 (2015)

Section

Original Papers