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Five-Membered 2,3-dioxoheterocycles: XCV. Recyclization of 4-benzoyl-5-phenylfuran-2,3-dione at the action of substituted 1,3,3-trimethyl-2-azaspiro[4.5]dec-1-enes. Crystal and molecular structure of substituted 5-(2-azaspiro[4.5]dec-1-ylidene)cyclopent-3-ene-1,2-dione

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Abstract

4-Benzoyl-5-phenylfuran-2,3-dione reacts with 2′,5′,5′-trimethyl-4′,5′-dihydro-4H-spiro[naphthalene-1,3′-pyrrol]-4-one and 8-(2-methoxy-5-methylphenyl)-1,3,3,9-tetramethyl-2-azaspiro[4.5]deca-1,7-dien-6-one with the formation of (Z)-3-benzoyl-5-(5′,5′-dimethyl-4-oxo-4H-spiro[naphthalene-1,3′-pyrrolidin]-2′-ylidene)-4-phenylcyclopent-3-ene-1,2-dione, whose structure was proved by XRD analysis, and of (Z)-3-benzoyl-5-{8-(2-methoxy-5-methylphenyl)-3,3,9-trimethyl-6-oxo-2-azaspiro[4.5]dec-7-en-1-ylidene}-4-phenylcyclopent-3-ene-1,2-dione.

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Authors and Affiliations

  1. Institute of Technical Chemistry, Ural Branch of Russian Academy of Sciences, Perm, Russia

    V. V. Konovalova & Yu. V. Shklyaev

  2. Postovskii Institute of Organic Synthesis, Ural Branch of Russian Academy of Sciences, Ekaterinburg, Russia

    P. A. Slepukhin

  3. Perm State National Research University, Perm, 614990, Russia

    A. N. Maslivets

Authors
  1. V. V. Konovalova
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  2. Yu. V. Shklyaev
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  3. P. A. Slepukhin
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  4. A. N. Maslivets
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Corresponding author

Correspondence to V. V. Konovalova.

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Original English Text © V.V. Konovalova, Yu.V. Shklyaev, P.A. Slepukhin, A.N. Maslivets, 2013, published in Zhurnal Organicheskoi Khimii, 2013, Vol. 49, No. 11, pp. 1648–1650.

For communication XCIV, see [1].

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Konovalova, V.V., Shklyaev, Y.V., Slepukhin, P.A. et al. Five-Membered 2,3-dioxoheterocycles: XCV. Recyclization of 4-benzoyl-5-phenylfuran-2,3-dione at the action of substituted 1,3,3-trimethyl-2-azaspiro[4.5]dec-1-enes. Crystal and molecular structure of substituted 5-(2-azaspiro[4.5]dec-1-ylidene)cyclopent-3-ene-1,2-dione. Russ J Org Chem 49, 1628–1631 (2013). https://doi.org/10.1134/S1070428013110110

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  • DOI: https://doi.org/10.1134/S1070428013110110

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