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4H-3,1-Benzoxazin-4-ones methoxy-substituted 2-(2-arenesulfonylaminophenyl)-4H-3,1-benzoxazin-4-ones

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Chemistry of Heterocyclic Compounds Aims and scope

Abstract

Methoxy-substituted 2-(2-tosylaminophenyl)-4H-3,1-benzoxazin-4-one and 2-phenyl-4H-3,1-benzoxazin-4-one were synthesized. Their UV, IR, and luminescence spectra were studied. The position of the methoxy group affects the strength of the intramolecular hydrogen bond (IHB). The luminescence properties of methoxy-substituted 2-(2-tosylaminophenyl)-4H-3,1-benzoxazin-4-ones are associated with the strength of the IHB. The luminescence maximum is shifted to the short-wave region with strengthening of the IHB, and the luminescence intensity increase simultaneously.

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Authors and Affiliations

  1. All-Union Scientific-Research Institute of Chemical Reagents and Especially Pure Chemical Substance, Moscow

    M. V. Loseva, B. M. Bolotin & B. M. Krasovitskii

Authors
  1. M. V. Loseva
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  2. B. M. Bolotin
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  3. B. M. Krasovitskii
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 8, pp. 1028–1032, August, 1971.

The authors thank Yu. S. Ryabokobylko and A. O. Zisman for measuring the absorption spectra in the IR and UV regions.

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Loseva, M.V., Bolotin, B.M. & Krasovitskii, B.M. 4H-3,1-Benzoxazin-4-ones methoxy-substituted 2-(2-arenesulfonylaminophenyl)-4H-3,1-benzoxazin-4-ones. Chem Heterocycl Compd 7, 964–967 (1971). https://doi.org/10.1007/BF00477372

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  • DOI: https://doi.org/10.1007/BF00477372

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