Indolopyridines with a bridging heteroatom. 9. Synthesis, structure, and thermolysis of 5-hydroxy-5-(2-pyridyl)-fluorene and 4-azafluorene

Authors

  • А. T. Солдатенков Russian University of National Friendship, Moscow 117198
  • Н. M. Колядина Russian University of National Friendship, Moscow 117198
  • Л. Н. Кулешова Russian University of National Friendship, Moscow 117198
  • B. Н. Хрусталев Russian University of National Friendship, Moscow 117198

Abstract

Treatment of fluorenone or 4-azafluoren-9-one with 2-pyridyllithium gives 5-hydroxy-5-(2-pyridyl)fluorene and its aza analog. The structure of the former has been studied by X-ray crystallography. It was found that, in contrast to the non-condensed diaryl-2-pyridylcarbinols, these alcohols do not undergo acid catalyzed dehydration and heterocyclization. Under pyrolytic conditions. 5-pyridylfluorenol undergoes fission to form fluorenone.

How to Cite
Soldatenkov, A. T.; Kolyadina, N. M.; Kuleshova, L. N.; Khrustalev. V. N. Chem. Heterocycl. Compd. 1996, 32, 817. [Khim. Geterotsikl. Soedin. 1996, 955.]

For this article in the English edition, see DOI https://doi.org/10.1007/BF01165727

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Published

1996-07-25

Issue

No. 7 (1996)

Section

Original Papers