Novel quinoxalinophenanthrophenazine-based molecules as sensors for anions: synthesis and binding investigations
…, O Ala'a, RM Moustafa, MH Al-Sayah, BR Kaafarani
Index: Raad, Farah S.; El-Ballouli, Ala'a O.; Moustafa, Rasha M.; Al-Sayah, Mohammad H.; Kaafarani, Bilal R. Tetrahedron, 2010 , vol. 66, # 16 p. 2944 - 2952
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Citation Number: 27
Abstract
The design and synthesis of two novel quinoxalinophenanthrophenazine-based anion sensors are reported. Binding studies of these sensors with an array of mono-and polyatomic anions using UV–vis, fluorescence, and NMR titrations have shown 1: 1 and 1: 2 sensor-to-anion ratios. Binding constants were calculated for anions, which exhibited high affinity for the sensors, including acetate, benzoate, cyanide, and fluoride ions.
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