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Absorption and Fluorescent Studies of 3-Hydroxychromones
Radhika Khanna1, Ramesh Kumar1, Aarti Dalal1
1Department of Chemistry, Kurukshetra University, Kurukshetra, 136119, Haryana, India.
Abstract:
The synthesis and spectral studies of variously substituted 3-hydroxychromones have been carried out. A key relationship between the structural motif of synthesized 3-hydroxychromones (3-HCs) and their fluorescent properties was found. The chromones substituted with electron-donating group at 4'-position expressed the red shift of the N(*) and T(*) band and also exhibited the increased fluorescent intensity ratio while the chromones with electron-withdrawing group showed the blue shift of the N(*) and T(*) band. Therefore, these 3-HCs may behave as the possible fluorescent probes.
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