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Features of the reaction of heterocyclic analogs of chalcone with lanthanide shift reagents

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Chemistry of Heterocyclic Compounds Aims and scope

Abstract

The PMR spectra of heterocyclic analogs of 2-hydroxychalcone containing thiazole, benzofuran, triazole, imidazole, benzodioxane, or pyridine rings in the presence of lanthanide shift reagents are studied. It is found that the most effective reagent for modifying the spectra of these compounds is Yb(fod)3. The broadening of the spectra of 2-hydroxy chalcones in the presence of lanthanide shift reagents is explained by the dynamic effects of complex formation. An example is given of the determination of the conformation of molecules of 2-hydroxychalcone by the simultaneous use of lanthanide shift reagents and the homonuclear Overhauser effect.

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Authors
  1. A. V. Turov
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  2. V. P. Khilya
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Additional information

Taras Shevchenko Kiev University, Kiev 252017. Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 4, pp. 457–463, April, 1994

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Turov, A.V., Khilya, V.P. Features of the reaction of heterocyclic analogs of chalcone with lanthanide shift reagents. Chem Heterocycl Compd 30, 399–404 (1994). https://doi.org/10.1007/BF01169931

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  • DOI: https://doi.org/10.1007/BF01169931

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