Anthracene-Functionalized Metallacage with Fluorescence Response Behavior to Anions

Huang, Junhai; Hu, Lianrui; Xu, Lin; Zeng, Zhi-Yong; Zhao, Xiaoli; Zhu, Jing; Jin, Tongxia; Dou, Wei-Tao

doi:10.1055/s-0042-1751486

Synlett

2023

DOI: 10.1055/s-0042-1751486

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Anthracene-Functionalized Metallacage with Fluorescence Response Behavior to Anions

Junhai Huang,

Lianrui Hu,

Lin Xu

et al.

Abstract: Functionalized metallacages have attracted tremendous attention in recent years due to their potential applications in optical sensing, catalysis, and recognition. A novel anthracene-functionalized metallacage was synthesized and characterized in detail by UV/vis spectroscopy, 1D/2D NMR, electrospray ionization time-of-flight mass spectrometry, and X-ray single crystal diffraction. This metallacage exhibited a specific fluorescence enhancement response to OH–, PO4 3–, and AcO– anions, and further a… Show more

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Cited by 2 publications

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“…14 Xu and his group reported an anion-sensitive fluorescent cage. 15 Mahata and co-workers reported assembly-dependent optical properties of perimidinium imide dyes. 16…”

mentioning

confidence: 99%

Cluster Preface: Functional Dyes

Yang,

Fan

2023

Synlett

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Youjun Yang (left) received his BS (2002) from the University of Science and Technology of China, and his PhD (2007) with Prof. Robert M. Strongin at Louisiana State University. Then, he joined the Anslyn group at UT Austin as a postdoc. In 2010, he joined the faculty of the school of pharmacy, East China University of Science and Technology (ECUST). His research interests include NIR fluorescent dyes, photo-responsive dyes, and fluorescent molecular probes. Jiangli Fan (right) obtained her PhD at Dalian University of Technology (2005). Now she is a Professor at the School of Chemical Engineering at Dalian University of Technology, and she received the Distinguished Young Scholars of NSFC (2019). Her research interests mainly focus on the development of functional dyes for biomedical analysis and disease treatment.

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“…14 Xu and his group reported an anion-sensitive fluorescent cage. 15 Mahata and co-workers reported assembly-dependent optical properties of perimidinium imide dyes. 16…”

mentioning

confidence: 99%

Cluster Preface: Functional Dyes

Yang,

Fan

2023

Synlett

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Tailored charge-neutral self-assembled L₂Zn₂ container for taming oxalate

Ocklenburg,

Van Craen

2024

Beilstein J. Org. Chem.

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Dicarboxylic acids and their derivatives play crucial roles in various biological processes, necessitating the development of effective receptors for their detection. In particular, the smallest dicarboxylate, oxalate, presents a significant importance due to its widespread presence in nature and its association with various diseases. Yet, very little attention was devoted to the recognition of oxalate with metal-driven self-assemblies like cages or containers while numerous classic organic receptors for oxalate exist. This discrepancy is astonishing because metallocontainers or metallocages have advantages over classic macrocycles or organocages like a higher modularity and good preorganization paired with a ready receptor preparation by metal complexation. The reason for the underrepresentation is the competitive nature and excellent ligand properties of oxalate which not only is associated with the aforementioned diseases but also poses a serious hazard for metal-driven self-assemblies because the dianion can easily replace ligand strands leading to a partial or full receptor decomposition. Herein, we present a charge-neutral zinc(II)-based metallocontainer which was tuned to contest oxalate as most competitive dicarboxylate. The dianion is bound in a 1:1 fashion with a binding constant of log K = 4.39 selectively over other dicarboxylates by maintaining the receptor stability. This study highlights the importance of a highly modular receptor design so that tailored hosts can be designed to tackle the recognition of challenging competitive analytes.

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Anthracene-Functionalized Metallacage with Fluorescence Response Behavior to Anions

Cited by 2 publications

References 38 publications

Cluster Preface: Functional Dyes

Cluster Preface: Functional Dyes

Tailored charge-neutral self-assembled L₂Zn₂ container for taming oxalate

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Anthracene-Functionalized Metallacage with Fluorescence Response Behavior to Anions

Cited by 2 publications

References 38 publications

Cluster Preface: Functional Dyes

Cluster Preface: Functional Dyes

Tailored charge-neutral self-assembled L2Zn2 container for taming oxalate

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Tailored charge-neutral self-assembled L₂Zn₂ container for taming oxalate