期刊
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
卷 9, 期 6, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.jece.2021.106381
关键词
Schiff base; Condensation; Primary amines; Cations; Coordination; Complexes; Chemosensors
资金
- Wenzhou University China scientific research start-up fund [QD2021155]
Schiff bases are compounds synthesized through the condensation reaction of primary amines with carbonyl compounds, showing potential applications in medicine and chemical sensing. They coordinate with various metal ions to form stable complexes and are utilized as chemical sensors for detecting different metal ions.
Hugo Schiff (1864), was the first who synthesized Schiff bases by the condensation reaction of primary amines with carbonyl compounds (aldehyde or ketone). Schiff bases display several structural and electronic features that allow their application in different fields, ranging from medicinal to chemosensing. Schiff bases coordinate with various metal ions and form stable complexes. Due to their excellent coordination ability, Schiff bases are used as fluorescent turn-on/turn-off and colorimetric chemosensors for the detection of different metal cations including Ag+, Cu2+, Co2+, Mn2+, Cd2+, Hg2+, Ni2+, Zn2+, Pd2+, Fe3+, and Al3+ in different samples. This review article covers a wide range of Schiff bases used in chemosensing applications for various metal ions (e.g., monovalent, divalent and trivalent cations) in different biological, agricultural and environmental media.
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