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Polyfluorinated heterocyclic compounds

II. Preparation of heterocyclic compounds based on α-benzamido-β-(pentafluorophenyl) acrylic acid

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Chemistry of Heterocyclic Compounds Aims and scope

Abstract

A study has been made of the possibility of intramolecular cyclization of α-benzamido-β-(pentafluorophenyl)acrylic acid (IIa) with the object of synthesizing heterocyclic compounds. When the acid IIa was heated with potassium fluoride in dimethylformamide, 3-benzamido-6,7,8,9-tetrafluorocoumarin (III) was formed. Under the same conditions the methyl ester of (IIa) gave 2-phenyl-4-carbomethoxy-6,7,8,9-tetrafluorobenz[f]oxazepine-1,3 (Va). Some reactions of the latter have been studied.

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Authors and Affiliations

  1. Novosibirsk Institute of Organic Chemistry, Siberian Division, Academy of Sciences, USSR

    T. D. Petrova, V. P. Mamaev, G. G. Yakobson & N. N. Vorozhsov Jr.

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  1. T. D. Petrova
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  2. V. P. Mamaev
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  3. G. G. Yakobson
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  4. N. N. Vorozhsov Jr.
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Additional information

For part I, see [1].

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Petrova, T.D., Mamaev, V.P., Yakobson, G.G. et al. Polyfluorinated heterocyclic compounds. Chem Heterocycl Compd 4, 561–563 (1971). https://doi.org/10.1007/BF00481014

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  • DOI: https://doi.org/10.1007/BF00481014

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