STEREOSELECTIVE SYNTHESIS OF NEW SPIRO-FUSED HETEROCYCLIC SYSTEMS, 2,3,4,4a,5.6-HEXAHYDRO-6H-SPIRO[BENZO[<i>c</i>]QUINOLIZINE-5,4'-PYRAZOL]-5'-ONES

Authors

  • Т. В. Глухарева Ural State Technical University, Ekaterinburg 62002
  • П. Е. Кропотина Ural State Technical University, Ekaterinburg 62002
  • М. Ф. Костерина Ural State Technical University, Ekaterinburg 62002
  • Ю. И. Нейн Ural State Technical University, Ekaterinburg 62002
  • Е. В. Деева Ural State Technical University, Ekaterinburg 62002
  • Ю. Ю. Моржерин Ural State Technical University, Ekaterinburg 62002

DOI:

https://doi.org/10.1007/7704

Keywords:

pyrazol-3-one, spiroheterocycles, quinolizine, tert-amino effect, Knoevenagel condensation

Abstract

The synthesis of 2,3,4,4a,5,6-hexahydro-6H-spiro[benzo[c]quinolizine-5,4'-pyrazol]-5'-ones has been achieved by the reaction of 2-piperidinobenzaldehydes with 2-aryl-5-methyl-2,4-dihydropyrazol-3-one via the "tert-amino effect" mechanism.

How to Cite
Glukhareva, T. V.; Kropotina, P. E.; Kosterina, M. F.; Nein, Yu. I.; Deeva, E. V.; Morzherin, Yu. Yu.  Chem. Heterocycl. Compd. 2007, 43, 76. [Khim. Geterotsikl. Soedin. 2007, 90.]

For this article in the English edition see DOI 10.1007/s10593-007-0011-3


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Published

2023-04-06

Issue

No. 1 (2007)

Section

Original Papers