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Acylation of the enamino tautomer of 2-azaspiro[4.5]deca-1,6,9-trien-8-ones with 5-arylfuran-2,3-diones. Crystal and molecular structure of (2Z,5Z)-3-Hydroxy-5-(6,9-dimethoxy-3,3-dimethyl-8-oxo-2-azaspiro[4.5]deca-6,9-dien-1-ylidene)-1-phenylpent-2-ene-1,4-dione

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Abstract

5-Arylfuran-2,3-diones reacted with heterocyclic enamines of the 2-azaspiro[4.5]deca-1,6,9-trien-8-one series to give products of β-CH-acylation of the enamino fragment. The structure of (2Z,5Z)-3-hydroxy-5-(6,9-dimethoxy-3,3-dimethyl-8-oxo-2-azaspiro[4.5]deca-6,9-dien-1-ylidene)-1-phenylpent-2-ene-1,4-dione was proved by X ray analysis.

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Authors and Affiliations

  1. Institute of Technical Chemistry, Ural Branch, Russian Academy of Sciences, ul. Akademika Koroleva 3, Perm, 614013, Russia

    V. V. Konovalova, Yu. S. Rozhkova & Yu. V. Shklyaev

  2. Postovskii Institute of Organic Synthesis, Ural Branch, Russian Academy of Sciences, ul. S. Kovalevskoi/Akademicheskaya 22/20, Yekaterinburg, 620990, Russia

    P. A. Slepukhin

  3. Perm State National Research University, ul. Bukireva 15, Perm, 614990, Russia

    A. N. Maslivets

Authors
  1. V. V. Konovalova
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  2. Yu. S. Rozhkova
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  3. Yu. V. Shklyaev
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  4. P. A. Slepukhin
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  5. A. N. Maslivets
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Correspondence to V. V. Konovalova.

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Original Russian Text © V.V. Konovalova, Yu.S. Rozhkova, Yu.V. Shklyaev, P.A. Slepukhin, A.N. Maslivets, 2014, published in Zhurnal Organicheskoi Khimii, 2014, Vol. 50, No. 12, pp. 1798–1801.

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Konovalova, V.V., Rozhkova, Y.S., Shklyaev, Y.V. et al. Acylation of the enamino tautomer of 2-azaspiro[4.5]deca-1,6,9-trien-8-ones with 5-arylfuran-2,3-diones. Crystal and molecular structure of (2Z,5Z)-3-Hydroxy-5-(6,9-dimethoxy-3,3-dimethyl-8-oxo-2-azaspiro[4.5]deca-6,9-dien-1-ylidene)-1-phenylpent-2-ene-1,4-dione. Russ J Org Chem 50, 1779–1782 (2014). https://doi.org/10.1134/S1070428014120112

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  • DOI: https://doi.org/10.1134/S1070428014120112

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