Construction of pyridine-functionalized metal-organic frameworks for the detection of flazasulfuron.

IF 0.7 4区化学 Q4 CHEMISTRY, MULTIDISCIPLINARY

Acta Crystallographica Section C Structural Chemistry Pub Date : 2024-12-01 Epub Date: 2024-11-27 DOI:10.1107/S2053229624011082

Xiaoya Zhao, Boya Su, Qian Zhao, Wan Lv, Litong Chen, Lixin Huang, Xia Li, Shengyun Liao

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引用次数: 0

Abstract

Two novel Cu-based metal-organic frameworks (MOFs), namely, poly[[aquadichlorido[μ₄-4'-(pyridin-4-yl)-[2,2':6',2''-terpyridine]-4,4''-dicarboxylato][μ₃-4'-(pyridin-4-yl)-[2,2':6',2''-terpyridine]-4,4''-dicarboxylato]tricopper(II)] monohydrate], {[Cu₃(C₂₂H₁₂N₄O₄)₂Cl₂(H₂O)]·H₂O}_n or {[Cu₃(PTP)₂Cl₂(H₂O)]·H₂O}_n, (I), and poly[[diaquabis[μ₂-4'-(pyridin-3-yl)-[2,2':6',2''-terpyridine]-4,4''-dicarboxylato]bis(μ₂-terephthalato)tricopper(II)] dihydrate], {[Cu₃(C₂₂H₁₂N₄O₄)₂(C₈H₄O₄)₂(H₂O)₂]·2H₂O}_n or {[Cu₃(BDC)₂(MTP)₂(H₂O)₂]·2H₂O}_n, (II), have been synthesized successfully with 4'-(pyridin-4-yl)-[2,2':6',2''-terpyridine]-4,4''-dicarboxylic acid (H₂PTP) and 4'-(pyridin-3-yl)-[2,2':6',2''-terpyridine]-4,4''-dicarboxylic acid (H₂MTP) as the ligands, respectively. Crystal structure analysis reveals that (II) possesses a 2D coordinated layer structure, in which adjacent 2D coordination layers are linked into 3D frameworks through π-π interactions, while the structure of (I) displays dual coordination layers, in which adjacent coordination layers are connected into a 3D framework through hydrogen-bonding interactions. The photophysical properties of the two MOFs were investigated by fluorescence spectroscopy. Complex (II) shows an obvious `turn-on' fluorescence enhancement effect towards flazasulfuron and its potential application for sensing flazasulfuron in water with high selectivity and sensitivity was also investigated in detail.

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构建吡啶功能化金属有机框架以检测氟唑磺隆。

两种新型铜基金属有机框架（MOFs），即聚[[[水合二氯[μ4-4'-(吡啶-4-基)-[2,2':6',2''-三联吡啶]-4,4''-二甲酸]][μ3-4'-(吡啶-4-基)-[2,2'：6',2''-三联吡啶]-4,4''-二甲酸]三铜(II)]一水合物]，{[Cu3(C22H12N4O4)2Cl2(H2O)]-H2O}n或{[Cu3(PTP)2Cl2(H2O)]-H2O}n，(I)，和聚[[二喹双[μ2-4'-(吡啶-3-基)-[2,2'：6',2''-三联吡啶]-4,4''-二甲酸]双(μ2-对苯二甲酸)三铜(II)]二水合物]、{[Cu3(C22H12N4O4)2(C8H4O4)2(H2O)2]-2H2O}n或{[Cu3(BDC)2(MTP)2(H2O)2]-2H2O}n，(II)，已与 4'-(吡啶-4-基)-[2,2'：6',2''-三联吡啶]-4,4''-二羧酸（H2PTP）和 4'-(吡啶-3-基)-[2,2':6',2''-三联吡啶]-4,4''-二羧酸（H2MTP）分别作为配体合成成功。晶体结构分析表明，(II) 具有二维配位层结构，相邻的二维配位层通过 π-π 相互作用连接成三维框架；而 (I) 的结构则显示出双配位层，相邻的配位层通过氢键相互作用连接成三维框架。荧光光谱研究了这两种 MOF 的光物理特性。络合物（II）对氟唑嘧磺隆显示出明显的 "开启 "荧光增强效应，研究人员还详细探讨了该络合物在高选择性和高灵敏度感知水中氟唑嘧磺隆方面的潜在应用。

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来源期刊

Acta Crystallographica Section C Structural Chemistry CHEMISTRY, MULTIDISCIPLINARYCRYSTALLOGRAPH-CRYSTALLOGRAPHY

CiteScore

1.60

自引率

12.50%

发文量

148

期刊介绍： Acta Crystallographica Section C: Structural Chemistry is continuing its transition to a journal that publishes exciting science with structural content, in particular, important results relating to the chemical sciences. Section C is the journal of choice for the rapid publication of articles that highlight interesting research facilitated by the determination, calculation or analysis of structures of any type, other than macromolecular structures. Articles that emphasize the science and the outcomes that were enabled by the study are particularly welcomed. Authors are encouraged to include mainstream science in their papers, thereby producing manuscripts that are substantial scientific well-rounded contributions that appeal to a broad community of readers and increase the profile of the authors.