A C3-symmetric colorimetric anion sensor bearing hydrazone groups as binding sites.
Tris-hydrazone (1) functioned as a colorimetric chemosensor for a variety of anions such as F(-), AcO(-) and H(2)PO(4)(-). The anion binding could be easily detected by naked-eye according to color changes. The high binding ability of the receptor 1 to anions was further investigated by UV-vis absorption spectroscopy in DMSO. The results of job plot of the receptor 1 with different anions demonstrated that the stoichiometry of the complex between 1 and F(-) was 1:1 (1:anion) and the stoichiometry of the other complexes studied was 1:3 (1:anion).
Shao
Jie
J
Department of Chemistry, Nankai University, Tianjin 300071, PR China.
Qiao
Yanhong
Y
Lin
Hai
H
Lin
Huakuan
H
D000838:Anions / Q000032:analysis* / Q000737:chemistry / Q000378:metabolism; D001665:Binding Sites; D015374:Biosensing Techniques / Q000379:methods*; D003124:Colorimetry / Q000379:methods; D006835:Hydrazones / Q000737:chemistry* / Q000378:metabolism; D008027:Light; D009682:Magnetic Resonance Spectroscopy / Q000379:methods; D008954:Models, Biological; D015394:Molecular Structure; D013056:Spectrophotometry, Ultraviolet; D017186:Titrimetry
D000838:Anions; D006835:Hydrazones