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Synthesis and investigations in the series of azolyl derivatives of 1,3,5-triarylpyrazole

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Chemistry of Heterocyclic Compounds Aims and scope

Abstract

Condensation of 4-(3, 5-diphenylpyrazol-1-yl)benzoyl chloride with hydrochlorides of ω-aminomethyl aryl ketones or aroyl hydrazines and subsequent cyclization of the condensation products in phosphorus oxychloride gave new effective luminophors. Their structure was confirmed by the data of IR and PMR spectroscopy. The influence of the structure of the molecules on the spectroluminescence characteristics was investigated. The high quantum yield of the photoluminescence and of the luminescence in the region of sensitivity of the photomultiplier, and the raised photostability and good solubility in aromatic hydrocarbons favored the application of the substances obtained in liquid scintillators.

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Authors
  1. I. A. Fedyunyaeva
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  2. É. G. Yushko
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  3. V. E. Bondarenko
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Additional information

Institute of Monocrystals, Academy of Sciences (NAN) of the Ukraine, Khar'kov, 310001. Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 3, pp. 333–337, March, 1996. Original article submitted August 26, 1995.

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Fedyunyaeva, I.A., Yushko, É.G. & Bondarenko, V.E. Synthesis and investigations in the series of azolyl derivatives of 1,3,5-triarylpyrazole. Chem Heterocycl Compd 32, 285–289 (1996). https://doi.org/10.1007/BF01169244

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  • DOI: https://doi.org/10.1007/BF01169244

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