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5,7-Dimethyl-3-phenylfurazano- and -furoxano[5,4-a]pyrimidinium perchlorates: New types of condensed systems

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Chemistry of Heterocyclic Compounds Aims and scope

Abstract

5,7-Dimethyl-3-phenylfuroxano[5,4-a]pyrimidiniumperchlorate (II) was obtained by the reaction of 4-amino-3-phenylfuroxan with acetylacetone in the presence of HClO4. The structures of II and its furazan analog I were proved by x-ray diffraction analysis, and their 13C NMR spectra were studied. The cations of I and II (which contain a conjugated condensed system with delocalization of the positive charge) and their monocyclic analogs — phenylfarazan, 3-phenylfuroxan, and 4,6-dimethylpyrimidine — were subjected to quantum-chemical calculation by the CNDO/2 method.

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Authors and Affiliations

  1. A. N. Nesmeyanov Institute of Heteroorganic Compounds, 117334, Moscow

    Yu. T. Struchko, A. S. Batsanov, V. A. Chuiguk, L. V. Batog, A. S. Kulikov, T. S. Pivina & Yu. A. Strelenko

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  1. Yu. T. Struchko
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  2. A. S. Batsanov
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  3. V. A. Chuiguk
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  4. L. V. Batog
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  5. A. S. Kulikov
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  6. T. S. Pivina
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  7. Yu. A. Strelenko
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 2, pp. 233–238, February, 1992.

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Struchko, Y.T., Batsanov, A.S., Chuiguk, V.A. et al. 5,7-Dimethyl-3-phenylfurazano- and -furoxano[5,4-a]pyrimidinium perchlorates: New types of condensed systems. Chem Heterocycl Compd 28, 193–197 (1992). https://doi.org/10.1007/BF00473944

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  • DOI: https://doi.org/10.1007/BF00473944

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