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Russian Chemical Bulletin

, Volume 55, Issue 12, pp 2226–2232 | Cite as

Boron chelates in the synthesis of α,β-unsaturated ketones of the coumarin series

  • A. V. Manaev
  • T. A. Chibisova
  • V. F. Traven
Article

Abstract

Condensation of aromatic aldehydes with 3(8)-acetyl-4(7)-difluoroboryloxycoumarin intramolecular complexes gave boron complexes of α,β-unsaturated ketones, whose hydrolysis afforded the corresponding hydroxy cinnamoylcoumarins. The boron complexes and their hydrolysis products intensely absorb and fluoresce in the visible region of the spectrum.

Key words

coumarins, α,β-enones boron complexes aldol condensation electronic absorption spectra fluorescence 

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Copyright information

© Springer Science+Business Media, Inc. 2006

Authors and Affiliations

  • A. V. Manaev
    • 1
  • T. A. Chibisova
    • 1
  • V. F. Traven
    • 1
  1. 1.D. I. Mendeleev Russian University for Chemical TechnologyMoscowRussian Federation

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