Synthesis and evaluation of a novel fluorescent sensor based on hexahomotrioxacalix[3]arene for Zn²+ and Cd²+

Jiang, Xue-Kai; Ikejiri, Yusuke; Jin, Cheng-Cheng; Wu, Chong; Zhao, Jiang-Lin; Ni, Xin-Long; Zeng, Xi; Redshaw, Carl; Yamato, Takehiko

Abstract

A novel type of selective and sensitive fluorescent sensor having triazole rings as the binding sites on the lower rim of a hexahomotrioxacalix[3]arene scaffold in a cone conformation is reported. This sensor has desirable properties for practical applications, including selectivity for detecting Zn²⁺ and Cd²⁺ in the presence of excess competing metal ions at low ion concentration or as a fluorescence enhancement type chemosensor due to the cavity of calixarene changing from a ‘flattened-cone’ to a more-upright form and inhibition of PET. In contrast, the results suggested that receptor 1 is highly sensitive and selective for Cu²⁺ and Fe³⁺ as a fluorescence quenching type chemosensor due to the photoinduced electron transfer (PET) or heavy atom effect.

Citation

Jiang, X., Ikejiri, Y., Jin, C., Wu, C., Zhao, J., Ni, X., …Yamato, T. (2016). Synthesis and evaluation of a novel fluorescent sensor based on hexahomotrioxacalix[3]arene for Zn²+ and Cd²+. Tetrahedron, 72(32), 4854-4858. https://doi.org/10.1016/j.tet.2016.06.055

• Journal Article Type: Article
• Acceptance Date: Jun 21, 2016
• Online Publication Date: Jun 23, 2016
• Publication Date: Aug 11, 2016
• Deposit Date: Nov 17, 2016
• Publicly Available Date: Nov 17, 2016
• Journal: Tetrahedron
• Print ISSN: 0040-4020
• Electronic ISSN: 1464-5416
• Publisher: Elsevier
• Peer Reviewed: Peer Reviewed
• Volume: 72
• Issue: 32
• Pages: 4854-4858
• DOI: https://doi.org/10.1016/j.tet.2016.06.055
• Keywords: Hexahomotrioxacalix[3]arene; Metal ion recognition; Pyrenyl-appended triazole; Fluorescent sensor; Zinc cation
• Public URL: https://hull-repository.worktribe.com/output/445341
• Publisher URL: http://www.sciencedirect.com/science/article/pii/S0040402016305774