A novel chromatism switcher with double receptors selectively for Ag+ in neutral aqueous solution: 4,5-diaminoalkeneamino-N-alkyl-l,8-naphthalimides
作者： Lihua Jia , Yu Zhang , Xiangfeng Guo , Xuhong Qian
DOI: 10.1016/J.TETLET.2004.03.105
关键词: Inorganic chemistry 、 Photochemistry 、 Naphthalimides 、 Alkyl 、 Fluorescence 、 Quenching 、 Aqueous solution 、 Chemistry 、 Absorption (chemistry) 、 Metal ions in aqueous solution 、 Receptor
摘要: Two novel fluorosensors of 4,5-disubstituted-N-alkyl-l,8-naphthalimide derivatives (H1, H2, H3) with double ethylenediamino receptors, propylenediamino or one methylpiperazine receptor were synthesized, respectively. Their fluorescence and absorption in the presence absence nine metal ions studied. In Ag+, H1's moved to long wavelength color change from yellow-green red, its quenching red shift also remarkable. Similarly, was strongly quenched Cu2+. addition, H1 H2 show high pH sensitively. There 139-folds enhancement for H1, 22-folds 4-folds H3 when changed 8 3,
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