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Heterocyclic derivatives of 2-amino-4-nitrophenol

Heterozyklische Derivate von 2-Amino-4-nitrophenol

  • Organische Chemie Und Biochemie
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Summary

A new pathway for the synthesis of cyclic derivatives of 2-amino-4-nitrophenol by application of dibromoalkanes is described. This general method was used for the preparation of several heterocycles (partially saturated 1,4-benzoxazines, 1,5-benzoxazepines, 1,6-benzoxazocines). Two rotamers are present in solution of theN-formyl derivatives, the relative amounts depending on the solvent used.

Zusammenfassung

Eine neue Methode zur Herstellung heterozyklischer Derivate von 2-Amino-4-nitrophenol wird vorgestellt. Dieses allgemeine Verfahren kann zur Synthese von verschiedenen Ringsystemen (partielle gesättigte 1,4-Benzoxazine, 1,5-Benzoxazepine, 1,6-Benzoxazocine) benutzt werden. In den Lösungen derN-Formyl-Derivate können zwei Rotamere identifiziert werden. Ihre relative Menge hängt vom Lösungsmittel ab.

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Authors and Affiliations

  1. Department of Chemical Technology, University of Veszprém, H-8201, Veszprém, Hungary

    R. Földényi

  2. Central Instrumental Laboratory, University of Veszprém, H-8201, Veszprém, Hungary

    G. Szalontai

  3. CHEMPRO Research-Development Ltd., H-8201, Veszprém, Hungary

    N. Szebényi & P. Kvintovics

  4. Research Group for Petrochemistry of the Hungarian Academy of Sciences, H-8201, Veszprém, Hungary

    T. Bartik

Authors
  1. R. Földényi
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  2. G. Szalontai
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  3. N. Szebényi
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  4. P. Kvintovics
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  5. T. Bartik
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Földényi, R., Szalontai, G., Szebényi, N. et al. Heterocyclic derivatives of 2-amino-4-nitrophenol. Monatsh Chem 127, 305–311 (1996). https://doi.org/10.1007/BF00813796

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  • DOI: https://doi.org/10.1007/BF00813796

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