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论文类型：期刊论文

发表时间：2017-01-01

发表刊物：TALANTA

收录刊物：SCIE、EI、PubMed

卷号：162

页面范围：403-407

ISSN号：0039-9140

关键字：Fluorescent chemosensor; Hg2+ ions; Coumarin derivative

摘要：A novel coumarin derivatives based fluorescent chemosensor CBH was designed and synthesized by Schiff base reaction, which was connected by 7-(N,N-diethylamino) coumarin-3-aldehyde and 3-methyl-2-benzothiazolinone hydrazone through C=N. X-ray single crystal structure analysis indicated that two aromatic groups of the CBH were almost in the same plane. It displayed enhancement of the fluorescent intensity and absorbance when the sensor CBH interacted with Hg2+ ions. The chemosensor CBH exhibited a good sensitive and selective recognition towards Hg2+ ions in the presence of other important relevant metal ions.