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三种新型 Zn 基配位聚合物的合成、结构及对 Al 和 S 离子的有效检测。

Three Novel Zn-Based Coordination Polymers: Synthesis, Structure, and Effective Detection of Al and S Ions.

机构信息

School of Chemical Science and Technology Pharmacy, Yunnan University, Kunming 650091, China.

Key Laboratory of Medicinal Chemistry for Natural Resource Education Ministry, Yunnan University, Kunming 650091, China.

出版信息

Molecules. 2020 Jan 17;25(2):382. doi: 10.3390/molecules25020382.

DOI:10.3390/molecules25020382
PMID:31963434
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC7024230/
Abstract

Three novel Zn-based coordination polymers (CPs), [Zn(MIPA)] (), {[Zn(MIPA)(4,4'-bipy)(HO)]·1.5HO} (), and {[Zn(MIPA)(bpe)]·HO} () (MIPA = 4-methoxyisophthalic acid, 4,4'-bipy = 4,4'-bipyridine, bpe = (E)-1,2-di(pyridine-4-yl)ethane), were constructed by ligand 4-methoxyisophthalic acid under solvothermal conditions. Compound features a beaded 2D-layer architecture, while compound presents a 2-fold interpenetrating structure with a uninodal three-connected topology. Compound has a 3-fold interpenetrated four-connected topology. Photoluminescence investigations of compound were explored in detail, by which ions were detected, and it was observed to have the highest quenching efficiency toward Al and S ions. The possible fluorescence quenching mechanisms of toward Al and S ions were also explored. To the best of our knowledge, this is the first potential dual-responsive luminescent probe based on a Zn(II) coordination polymer for detecting Al and S ions via a luminescence quenching effect in ethanol.

摘要

三种新型的基于 Zn 的配位聚合物（CPs），[Zn（MIPA）]（），{[Zn（MIPA）（4,4'-bipy）（HO）]·1.5HO}（）和{[Zn（MIPA）（bpe）]·HO}（）（MIPA = 4-甲氧基间苯二甲酸，4,4'-bipy = 4,4'-联吡啶，bpe =（E）-1,2-二（吡啶-4-基）乙烷），是由配体 4-甲氧基间苯二甲酸在溶剂热条件下合成的。化合物 具有珠状二维层状结构，而化合物 呈现出 2 重穿插结构，具有单节点三连接拓扑结构。化合物 具有 3 重穿插的四连接拓扑结构。详细研究了化合物 的光致发光性质，通过该性质检测到了离子，并观察到其对 Al 和 S 离子具有最高的猝灭效率。还探讨了化合物 对 Al 和 S 离子的可能荧光猝灭机制。据我们所知，这是第一个基于 Zn(II)配位聚合物的潜在双重响应发光探针，可通过乙醇中的荧光猝灭效应检测 Al 和 S 离子。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ba01/7024230/3e98fb806691/molecules-25-00382-g012.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ba01/7024230/0786d506620a/molecules-25-00382-sch001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ba01/7024230/1d3df574b552/molecules-25-00382-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ba01/7024230/3d57d8fc6e12/molecules-25-00382-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ba01/7024230/2ed0c7f586ed/molecules-25-00382-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ba01/7024230/abe9101d1dac/molecules-25-00382-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ba01/7024230/b94d4105a43c/molecules-25-00382-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ba01/7024230/5b54b52e96d0/molecules-25-00382-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ba01/7024230/483ec330d859/molecules-25-00382-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ba01/7024230/10466632415a/molecules-25-00382-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ba01/7024230/2307f0fe8d91/molecules-25-00382-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ba01/7024230/6bd3a1a11b40/molecules-25-00382-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ba01/7024230/e6a7681f29fe/molecules-25-00382-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ba01/7024230/3e98fb806691/molecules-25-00382-g012.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ba01/7024230/0786d506620a/molecules-25-00382-sch001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ba01/7024230/1d3df574b552/molecules-25-00382-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ba01/7024230/3d57d8fc6e12/molecules-25-00382-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ba01/7024230/2ed0c7f586ed/molecules-25-00382-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ba01/7024230/abe9101d1dac/molecules-25-00382-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ba01/7024230/b94d4105a43c/molecules-25-00382-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ba01/7024230/5b54b52e96d0/molecules-25-00382-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ba01/7024230/483ec330d859/molecules-25-00382-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ba01/7024230/10466632415a/molecules-25-00382-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ba01/7024230/2307f0fe8d91/molecules-25-00382-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ba01/7024230/6bd3a1a11b40/molecules-25-00382-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ba01/7024230/e6a7681f29fe/molecules-25-00382-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ba01/7024230/3e98fb806691/molecules-25-00382-g012.jpg

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