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Fan Y, He J, Guo S, Jiang H. Host-Guest Chemistry in Binary and Ternary Complexes Utilizing π-Conjugated Carbon Nanorings. Chempluschem 2024; 89:e202300536. [PMID: 38123532 DOI: 10.1002/cplu.202300536] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2023] [Revised: 12/12/2023] [Accepted: 12/20/2023] [Indexed: 12/23/2023]
Abstract
The carbon nanorings, possessing a radial π system, have garnered significant attention primarily due to their size-dependent photophysical properties and the presence of a unique curved π-conjugated cavity. This is evidenced by the rapid proliferation of publications. Furthermore, the integration of building blocks into CPP skeletons can confer [n]CPPs with novel and exceptional photophysical and electronic characteristics, as well as chiral properties and host-guest interactions, thereby augmenting the diversity of [n]CPPs. Notably, the curved π surface structures and concave cavity of carbon nanorings enable them to host aromatic or non-aromatic guests with a complementarily curved surface, resulting in interesting binary or ternary complexes. This review provides a comprehensive treatment of literature reports on binary and ternary complexes, focusing on both their host-guest interactions and properties. It is important to note that the scope of this review is limited to host-guest chemistry in binary and ternary complexes based on π-conjugated carbon nanorings.
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Affiliation(s)
- Yanqing Fan
- College of Chemistry, Beijing Normal University, Beijing, 100875, P. R. China
| | - Jing He
- College of Chemistry, Beijing Normal University, Beijing, 100875, P. R. China
| | - Shengzhu Guo
- College of Chemistry, Beijing Normal University, Beijing, 100875, P. R. China
| | - Hua Jiang
- College of Chemistry, Beijing Normal University, Beijing, 100875, P. R. China
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2
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Gao JN, Bu A, Chen Y, Huang M, Chen Z, Li X, Tung CH, Wu LZ, Cong H. Synthesis of All-Benzene Multi-Macrocyclic Nanocarbons by Post-Functionalization of meta-Cycloparaphenylenes. Angew Chem Int Ed Engl 2024:e202408016. [PMID: 38828671 DOI: 10.1002/anie.202408016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2024] [Revised: 05/30/2024] [Accepted: 06/03/2024] [Indexed: 06/05/2024]
Abstract
Expanding the diversity of multi-macrocyclic nanocarbons, particularly those with all-benzene scaffolds, represents intriguing yet challenging synthetic tasks. Complementary to the existing synthetic approaches, here we report an efficient and modular post-functionalization strategy that employs iridium-catalyzed C-H borylation of the highly strained meta-cycloparaphenylenes (mCPPs) and an mCPP-derived catenane. Based on the functionalized macrocyclic synthons, a number of novel all-benzene topological structures including linear and cyclic chains, polycatenane, and pretzelane have been successfully prepared and characterized, thereby showcasing the synthetic utility and potential of the post-functionalization strategy.
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Affiliation(s)
- Jia-Nan Gao
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, CAS-HKU Joint Laboratory on New Materials, Technical Institute of Physics and Chemistry; School of Future Technology, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing, 100190, China
| | - An Bu
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, CAS-HKU Joint Laboratory on New Materials, Technical Institute of Physics and Chemistry; School of Future Technology, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing, 100190, China
| | - Yiming Chen
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, CAS-HKU Joint Laboratory on New Materials, Technical Institute of Physics and Chemistry; School of Future Technology, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing, 100190, China
| | - Mianling Huang
- College of Chemistry and Environmental Engineering, Shenzhen University, Guangdong, 518060, China
| | - Zhi Chen
- College of Chemistry and Environmental Engineering, Shenzhen University, Guangdong, 518060, China
| | - Xiaopeng Li
- College of Chemistry and Environmental Engineering, Shenzhen University, Guangdong, 518060, China
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai, 200032, China
| | - Chen-Ho Tung
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, CAS-HKU Joint Laboratory on New Materials, Technical Institute of Physics and Chemistry; School of Future Technology, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing, 100190, China
| | - Li-Zhu Wu
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, CAS-HKU Joint Laboratory on New Materials, Technical Institute of Physics and Chemistry; School of Future Technology, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing, 100190, China
| | - Huan Cong
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, CAS-HKU Joint Laboratory on New Materials, Technical Institute of Physics and Chemistry; School of Future Technology, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing, 100190, China
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An D, Zhang R, Zhu J, Wang T, Zhao Y, Lu X, Liu Y. From π-conjugated macrocycles to heterocycloarenes based on benzo[2,1- b:3,4- b']dithiophene (BDTh): size- and geometry-dependent host-guest properties. Chem Sci 2024; 15:4590-4601. [PMID: 38516086 PMCID: PMC10952093 DOI: 10.1039/d3sc05074b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Accepted: 02/19/2024] [Indexed: 03/23/2024] Open
Abstract
π-Conjugated macrocycles have been highly attractive due to their challenging synthesis, fascinating aesthetic structure and unique physical and chemical properties. Although some progress has been made in synthesis, the study of π-macrocycles with different structural characteristics and supramolecular interactions still faces major challenges. In this paper, two new single-bond linked macrocycles (MS-4T/MS-6T) were reported, and the corresponding vinyl-bridged heterocycloarenes (MF-4T/MF-6T) were synthesized by the periphery fusion strategy. Further studies have indicated that the structure of these four macrocycles is determined by both size and curvature, showing unique variations from nearly planar to bowl and then to saddle. Interestingly, the nearly planar MS-4T with a small size and the rigid saddle-shaped MF-6T show no obvious response to fullerenes C60 or C70, while the bowl-shaped MS-6T and MF-4T demonstrate a strong binding affinity towards fullerenes C60 and C70. What's more, two kinds of co-crystals with capsule-like configurations, MS-6T@C60 and MS-6T@C70, have been successfully obtained, among which the former shows a loose columnar arrangement while the latter displays a unique three-dimensional honeycomb arrangement that is extremely rare in supramolecular complexes. This work systematically studies the π-conjugated macrocycles and provides a new idea for the development of novel host-guest systems and further multifunctional applications.
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Affiliation(s)
- Dongyue An
- Department of Materials Science, State Key Laboratory of Molecular Engineering of Polymers, Fudan University Shanghai 200433 China
| | - Rong Zhang
- Department of Materials Science, State Key Laboratory of Molecular Engineering of Polymers, Fudan University Shanghai 200433 China
| | - Jiangyu Zhu
- Department of Materials Science, State Key Laboratory of Molecular Engineering of Polymers, Fudan University Shanghai 200433 China
| | - Teng Wang
- Department of Materials Science, State Key Laboratory of Molecular Engineering of Polymers, Fudan University Shanghai 200433 China
| | - Yan Zhao
- Department of Materials Science, State Key Laboratory of Molecular Engineering of Polymers, Fudan University Shanghai 200433 China
| | - Xuefeng Lu
- Department of Materials Science, State Key Laboratory of Molecular Engineering of Polymers, Fudan University Shanghai 200433 China
| | - Yunqi Liu
- Department of Materials Science, State Key Laboratory of Molecular Engineering of Polymers, Fudan University Shanghai 200433 China
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Ehjeij D, Rominger F, Bunz UHF, Freudenberg J, Müllen K. Thermolysis of Biphenylene toward Cyclo-ortho-phenylenes. Angew Chem Int Ed Engl 2024; 63:e202312040. [PMID: 38084633 DOI: 10.1002/anie.202312040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Indexed: 01/13/2024]
Abstract
The solvent and catalyst free thermolysis of biphenylenes at 350 °C furnishes [n]cyclo-ortho-phenylenes ([n]COPs, n=4-10) in one step and in high yields. At 400 °C biphenylene dimerizes into tetraphenylene, but lower reaction temperatures produce cyclooligomers. If suitably substituted, the oligomers are soluble and can be isolated and characterized. The products are exclusively cyclic. In the crystalline state, [6]COP displays an alternating crown-shaped conformation.
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Affiliation(s)
- Daniel Ehjeij
- Organisch-Chemisches Institut, Ruprecht-Karls-Universität Heidelberg, Im Neuenheimer Feld 270, 69120, Heidelberg, Germany
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128, Mainz, Germany
| | - Frank Rominger
- Organisch-Chemisches Institut, Ruprecht-Karls-Universität Heidelberg, Im Neuenheimer Feld 270, 69120, Heidelberg, Germany
| | - Uwe H F Bunz
- Organisch-Chemisches Institut, Ruprecht-Karls-Universität Heidelberg, Im Neuenheimer Feld 270, 69120, Heidelberg, Germany
| | - Jan Freudenberg
- Organisch-Chemisches Institut, Ruprecht-Karls-Universität Heidelberg, Im Neuenheimer Feld 270, 69120, Heidelberg, Germany
| | - Klaus Müllen
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128, Mainz, Germany
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Chang X, Xu Y, von Delius M. Recent advances in supramolecular fullerene chemistry. Chem Soc Rev 2024; 53:47-83. [PMID: 37853792 PMCID: PMC10759306 DOI: 10.1039/d2cs00937d] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2023] [Indexed: 10/20/2023]
Abstract
Fullerene chemistry has come a long way since 1990, when the first bulk production of C60 was reported. In the past decade, progress in supramolecular chemistry has opened some remarkable and previously unexpected opportunities regarding the selective (multiple) functionalization of fullerenes and their (self)assembly into larger structures and frameworks. The purpose of this review article is to provide a comprehensive overview of these recent developments. We describe how macrocycles and cages that bind strongly to C60 can be used to block undesired addition patterns and thus allow the selective preparation of single-isomer addition products. We also discuss how the emergence of highly shape-persistent macrocycles has opened opportunities for the study of photoactive fullerene dyads and triads as well as the preparation of mechanically interlocked compounds. The preparation of two- or three-dimensional fullerene materials is another research area that has seen remarkable progress over the past few years. Due to the rapidly decreasing price of C60 and C70, we believe that these achievements will translate into all fields where fullerenes have traditionally (third-generation solar cells) and more recently been applied (catalysis, spintronics).
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Affiliation(s)
- Xingmao Chang
- College of Chemistry and Molecular Sciences, Henan University, Kaifeng 475004, China.
- Institute of Organic Chemistry, Ulm University, Ulm 89081, Germany.
| | - Youzhi Xu
- College of Chemistry and Molecular Sciences, Henan University, Kaifeng 475004, China.
| | - Max von Delius
- Institute of Organic Chemistry, Ulm University, Ulm 89081, Germany.
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