Luminescence and Photophysical Properties of Benzo[a]phenothiazines - Therapeutic, Physico-Chemical, and Analytical Applications

Author(s): Mame Diabou Gaye-Seye, Jean-Jacques Aaron, Cyril Parkanyi, Noboru Motohashi.

Journal Name: Current Drug Targets

Volume 7 , Issue 9 , 2006

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Luminescence studies on a series of new 12H-benzo[a]phenothiazines (BPHTs), possessing potentially useful antitumor therapeutic properties, are reviewed. The electronic absorption and fluorescence spectral properties of BPHTs, as well as their triplet- and singlet- excited states luminescence quenching are reviewed. Ground-state and singlet-excited state dipole moments and solvatochromic relationships are also described for these compounds. Studies on the formation of inclusion complexes between BPHTs and cyclodextrins (CDs), including CD-enhanced fluorescence, and thermodynamic constants and molecular geometry of these complexes, are discussed. The BPHTs antitumor properties in relation to their π-electron density, and the physico-chemical and analytical applications based on their fluorescence and photophysical properties are also presented. This review article is based on selected literature data published in the last ten years (1993-2004).

Keywords: Benzo[a]phenothiazines, luminescence, dipole moments, cyclodextrins (CDs) inclusion complexes, analytical applications

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Article Details

Year: 2006
Page: [1083 - 1093]
Pages: 11
DOI: 10.2174/138945006778226606
Price: $58

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