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作为M金属离子宿主的金基冠醚：环大小至关重要。

Gold-Based Coronands as Hosts for M Metal Ions: Ring Size Matters.

作者信息

Sucena Suelen Ferreira, Demirer Türkan Ilgin, Baitullina Anna, Hagenbach Adelheid, Grewe Jacqueline, Spreckelmeyer Sarah, März Juliane, Barkleit Astrid, Maia Pedro Ivo da Silva, Nguyen Hung Huy, Abram Ulrich

机构信息

Institute of Chemistry and Biochemistry, Freie Universität Berlin, Fabeckstr. 34/36, 14195 Berlin, Germany.

Department of Nuclear Medicine and Berlin Institute of Health, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Augustenburger Platz 1, 13353 Berlin, Germany.

出版信息

Molecules. 2023 Jul 14;28(14):5421. doi: 10.3390/molecules28145421.

DOI:10.3390/molecules28145421
PMID:37513293
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC10385047/
Abstract

The controlled, self-assembled synthesis of multinuclear coordination compounds can be performed via different approaches. Frequently, steric, geometric and/or electronic factors located at the ligand systems predefine the way in which metal ions can assemble them to large aggregates. For the compounds in the present paper, also the Pearson's acidities and preferred coordination geometries of the metal ions were used as organization principles. The ligand under study, 2,6-dipicolinoylbis(,-diethylthiourea), HL1, possesses 'soft' sulfur and 'hard' nitrogen and oxygen donors. One-pot reactions of this compound with [AuCl(tht)] (tht = tetrahydrothiophene) and M salts (M = Sc, Y, La, Ln, Ga, In) give products with gold-based {Au(L1)} or {Au(L1)} coronands, which host central M ions. The formation of such units is templated by the M ions and the individual size of the coronand rings is dependent on the ionic radii of the central ions in a way that small ions such as Ga form a [Ga⊂{Au(L1)}] assembly, while larger ions (starting from Sc/In) establish neutral [M⊂{Au(L1)}] units with nine-coordinate central ions.

摘要

多核配位化合物的可控自组装合成可以通过不同的方法来实现。通常，位于配体体系中的空间、几何和/或电子因素预先决定了金属离子将它们组装成大聚集体的方式。对于本文中的化合物，金属离子的皮尔逊酸度和优选配位几何结构也被用作组织原则。所研究的配体2,6 - 二吡啶甲酰基双（- 二乙基硫脲），HL1，具有“软”硫和“硬”氮及氧供体。该化合物与[AuCl(tht)]（tht = 四氢噻吩）和M盐（M = Sc、Y、La、Ln、Ga、In）的一锅法反应得到具有金基{Au(L1)}或{Au(L1)}冠体的产物，这些冠体容纳中心M离子。此类单元的形成以M离子为模板，冠体环的个体大小取决于中心离子的离子半径，使得诸如Ga等小离子形成[Ga₂{Au(L1)}]组装体，而较大的离子（从Sc/In开始）形成具有九配位中心离子的中性[M₂{Au(L1)}]单元。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0ffd/10385047/b87fd3fbf0e6/molecules-28-05421-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0ffd/10385047/ae48e3a2c98d/molecules-28-05421-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0ffd/10385047/cfa6c1d146b5/molecules-28-05421-sch001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0ffd/10385047/457a7d830807/molecules-28-05421-sch002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0ffd/10385047/7fe56adadd16/molecules-28-05421-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0ffd/10385047/349244f782d1/molecules-28-05421-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0ffd/10385047/031dd0a6f04e/molecules-28-05421-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0ffd/10385047/0c8b6a428fd4/molecules-28-05421-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0ffd/10385047/76c08f623d6c/molecules-28-05421-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0ffd/10385047/045db9eb8f61/molecules-28-05421-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0ffd/10385047/7cc9a2219bbf/molecules-28-05421-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0ffd/10385047/8633f0ae0f7d/molecules-28-05421-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0ffd/10385047/48f468278351/molecules-28-05421-sch003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0ffd/10385047/64d766812a6c/molecules-28-05421-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0ffd/10385047/b87fd3fbf0e6/molecules-28-05421-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0ffd/10385047/ae48e3a2c98d/molecules-28-05421-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0ffd/10385047/cfa6c1d146b5/molecules-28-05421-sch001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0ffd/10385047/457a7d830807/molecules-28-05421-sch002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0ffd/10385047/7fe56adadd16/molecules-28-05421-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0ffd/10385047/349244f782d1/molecules-28-05421-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0ffd/10385047/031dd0a6f04e/molecules-28-05421-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0ffd/10385047/0c8b6a428fd4/molecules-28-05421-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0ffd/10385047/76c08f623d6c/molecules-28-05421-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0ffd/10385047/045db9eb8f61/molecules-28-05421-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0ffd/10385047/7cc9a2219bbf/molecules-28-05421-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0ffd/10385047/8633f0ae0f7d/molecules-28-05421-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0ffd/10385047/48f468278351/molecules-28-05421-sch003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0ffd/10385047/64d766812a6c/molecules-28-05421-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0ffd/10385047/b87fd3fbf0e6/molecules-28-05421-g011.jpg

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