Peripheral Control of the Assembly and Chirality of Anion-Based Octanuclear Cubes by Cation-π Networks
Self-assembly of sophisticated polyhedral cages has drawn much attention because of their elaborate structures and potential applications. Herein, we report the anion-coordination-driven assembly of the first A8L12 (A = anion, L = ligand) octanuclear cubic structures from phosphate anion and p-xylylene-spaced bis-bis(urea) ligands via peripheral templating of countercations (TEA+ or TPA+). By attaching terminal aryl rings (phenyl or naphthyl) to the ligand through a flexible (methylene) linker, these aryls actively participate in the formation of plenty of "aromatic pockets" for guest cation binding. As a result, multiple peripheral guests (up to 22) of suitable size are bound on the faces and vertices of the cube, forming a network of cation-π interactions to stabilize the cube structure. More interestingly, when chiral ligands were used, either diastereomers of mixed Λ- and Δ-configurations (with TEA+ countercation) for the phosphate coordination centers or enantiopure cubes (with TPA+) were formed. Thus, the assembly and chirality of the cube can be modulated by remote terminal groups and peripheral templating tetraalkylammonium cations.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:146 |
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| Enthalten in: |
Journal of the American Chemical Society - 146(2024), 15 vom: 17. Apr., Seite 10908-10916 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Liang, Lin [VerfasserIn] |
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| Anmerkungen: |
Date Revised 17.04.2024 published: Print-Electronic Citation Status PubMed-not-MEDLINE |
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| doi: |
10.1021/jacs.4c01747 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM370685644 |
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| 500 | |a Date Revised 17.04.2024 | ||
| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status PubMed-not-MEDLINE | ||
| 520 | |a Self-assembly of sophisticated polyhedral cages has drawn much attention because of their elaborate structures and potential applications. Herein, we report the anion-coordination-driven assembly of the first A8L12 (A = anion, L = ligand) octanuclear cubic structures from phosphate anion and p-xylylene-spaced bis-bis(urea) ligands via peripheral templating of countercations (TEA+ or TPA+). By attaching terminal aryl rings (phenyl or naphthyl) to the ligand through a flexible (methylene) linker, these aryls actively participate in the formation of plenty of "aromatic pockets" for guest cation binding. As a result, multiple peripheral guests (up to 22) of suitable size are bound on the faces and vertices of the cube, forming a network of cation-π interactions to stabilize the cube structure. More interestingly, when chiral ligands were used, either diastereomers of mixed Λ- and Δ-configurations (with TEA+ countercation) for the phosphate coordination centers or enantiopure cubes (with TPA+) were formed. Thus, the assembly and chirality of the cube can be modulated by remote terminal groups and peripheral templating tetraalkylammonium cations | ||
| 650 | 4 | |a Journal Article | |
| 700 | 1 | |a Su, Pingru |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Yue |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Boyang |e verfasserin |4 aut | |
| 700 | 1 | |a Lu, Shuai |e verfasserin |4 aut | |
| 700 | 1 | |a Ma, Hongwei |e verfasserin |4 aut | |
| 700 | 1 | |a Chen, Yiyang |e verfasserin |4 aut | |
| 700 | 1 | |a Zhao, Wei |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Xiaopeng |e verfasserin |4 aut | |
| 700 | 1 | |a Yang, Xiao-Juan |e verfasserin |4 aut | |
| 700 | 1 | |a Wu, Biao |e verfasserin |4 aut | |
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