期刊
JOURNAL OF ORGANIC CHEMISTRY
卷 72, 期 9, 页码 3554-3557出版社
AMER CHEMICAL SOC
DOI: 10.1021/jo070033y
关键词
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In a neutral aqueous environment, a new ratiometric Cd2+ fluorescent sensor 1a can successfully discriminate Cd2+ from Zn2+ by undergoing two different internal charge transfer (ICT) processes, and the high selectivity of sensor 1a to Cd2+ over some other metals was also observed. Moreover, through structure derivation and a series of NMR studies, the unique role of the 2-picolyl group (the part in red in the abstract graphic) in the sensor 1a-Cd2+ complexation was disclosed.
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