Comparative photodegradation studies on 3-hydroxyflavone: influence of different media, pH and light sources
摘要：
3-Hydroxyflavone (3-OH-F) photochemistry in solution has been rationalized in terms of an excited state intramolecular proton transfer (ESIPT), which involves the free 3-hydroxy group interacting with the 3-OH-F photoreactivity has been deeply investigated and the related mechanisms elucidated, as affected by various solvents, pH values and irradiation wavelengths, leading to different photodegradation rates and pathways.Moreover, the influence of molecular encapsulation upon α- and β-cyclodextrins (α- and β-CyD) on the molecule photoreactivity has been examined, as a potential tool for increasing molecule photostability as well as minimizing photoinduced toxic effects on biosubstrates.
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DOI：
10.1016/S0731-7085(03)00586-7
被引量：
年份：
2004
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