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Huang L, Wang Q, Fu P, Sun Y, Xu J, Browne DL, Huang J. Extended Quinolizinium-Fused Corannulene Derivatives: Synthesis and Properties. JACS AU 2024; 4:1623-1631. [PMID: 38665663 PMCID: PMC11040561 DOI: 10.1021/jacsau.4c00105] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/02/2024] [Revised: 02/21/2024] [Accepted: 02/21/2024] [Indexed: 04/28/2024]
Abstract
Reported here is the design and synthesis of a novel class of extended quinolizinium-fused corannulene derivatives with curved geometry. These intriguing molecules were synthesized through a rationally designed synthetic strategy, utilizing double Skraup-Doebner-Von Miller quinoline synthesis and a rhodium-catalyzed C-H activation/annulation (CHAA) as the key steps. Single-crystal X-ray analysis revealed a bowl depth of 1.28-1.50 Å and a unique "windmill-like" shape packing of 12a(2PF6-) due to the curvature and incorporation of two aminium ions. All of the newly reported curved salts exhibit green to orange fluorescence with enhanced quantum yields (Φf = 9-13%) and improved dispersibility compared to the pristine corannulene (Φf = 1%). The reduced optical energy gap and lower energy frontier orbital found by doping extended corannulene systems with nitrogen cations was investigated by UV-vis, fluorescence, and theoretical calculations. Electrochemical measurements reveal a greater electron-accepting behavior compared with that of their pyridine analogues. The successful synthesis, isolation, and evaluation of these curved salts provide a fresh perspective and opportunity for the design of cationic nitrogen-doped curved aromatic hydrocarbon-based materials.
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Affiliation(s)
- Lin Huang
- School
of Pharmaceutical Science and Technology, Tianjin University, Tianjin 300072, P. R. China
- Collaborative
Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin 300072, P. R. China
- Tianjin
Key Laboratory for Modern Drug Delivery & High-Efficiency, School
of Pharmaceutical Science and Technology, Tianjin University, Tianjin 300072, P. R. China
| | - Qing Wang
- School
of Pharmaceutical Science and Technology, Tianjin University, Tianjin 300072, P. R. China
- National
Institute of Biological Sciences, Beijing, No. 7 Science Park Road, Zhongguancun Life Science
Park, Beijing 102206, China
| | - Peng Fu
- School
of Pharmaceutical Science and Technology, Tianjin University, Tianjin 300072, P. R. China
- Collaborative
Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin 300072, P. R. China
- Tianjin
Key Laboratory for Modern Drug Delivery & High-Efficiency, School
of Pharmaceutical Science and Technology, Tianjin University, Tianjin 300072, P. R. China
| | - Yuzhu Sun
- School
of Pharmaceutical Science and Technology, Tianjin University, Tianjin 300072, P. R. China
- Collaborative
Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin 300072, P. R. China
- Tianjin
Key Laboratory for Modern Drug Delivery & High-Efficiency, School
of Pharmaceutical Science and Technology, Tianjin University, Tianjin 300072, P. R. China
| | - Jun Xu
- School
of Pharmaceutical Science and Technology, Tianjin University, Tianjin 300072, P. R. China
| | - Duncan L. Browne
- Department
of Pharmaceutical and Biological Chemistry, School of Pharmacy, University College London (UCL), 29-39 Brunswick Square, Bloomsbury, London WC1N
1AX, U.K.
| | - Jianhui Huang
- School
of Pharmaceutical Science and Technology, Tianjin University, Tianjin 300072, P. R. China
- Collaborative
Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin 300072, P. R. China
- Tianjin
Key Laboratory for Modern Drug Delivery & High-Efficiency, School
of Pharmaceutical Science and Technology, Tianjin University, Tianjin 300072, P. R. China
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Kise K, Ooi S, Saito H, Yorimitsu H, Osuka A, Tanaka T. Five‐Fold Symmetric Pentaindolo‐ and Pentakis(benzoindolo)Corannulenes: Unique Structural Dynamics Derived from the Combination of Helical and Bowl Inversions. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202112589] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Koki Kise
- Department of Chemistry Graduate School of Science Kyoto University Sakyo-ku Kyoto 606-8502 Japan
| | - Shota Ooi
- Department of Chemistry Graduate School of Science Kyoto University Sakyo-ku Kyoto 606-8502 Japan
| | - Hayate Saito
- Department of Chemistry Graduate School of Science Kyoto University Sakyo-ku Kyoto 606-8502 Japan
| | - Hideki Yorimitsu
- Department of Chemistry Graduate School of Science Kyoto University Sakyo-ku Kyoto 606-8502 Japan
| | - Atsuhiro Osuka
- Department of Chemistry Graduate School of Science Kyoto University Sakyo-ku Kyoto 606-8502 Japan
| | - Takayuki Tanaka
- Department of Chemistry Graduate School of Science Kyoto University Sakyo-ku Kyoto 606-8502 Japan
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Kise K, Ooi S, Saito H, Yorimitsu H, Osuka A, Tanaka T. Five-Fold Symmetric Pentaindolo- and Pentakis(benzoindolo)Corannulenes: Unique Structural Dynamics Derived from the Combination of Helical and Bowl Inversions. Angew Chem Int Ed Engl 2021; 61:e202112589. [PMID: 34738305 DOI: 10.1002/anie.202112589] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Indexed: 01/13/2023]
Abstract
Peripherally π-extended corannulenes bearing quintuple azahelicene units, 10 and 11, were prepared and their dynamic behaviors were studied experimentally and theoretically. The fused corannulenes were synthesized from sym-pentabromocorannulene in three steps. X-Ray diffraction analysis for 10 displayed a conformer possessing a P(M) bowl chirality and a PPMPM (PMPMM) helical chirality, which was found to be the most stable conformer(s). Variable-temperature NMR measurements of 10 and 11 revealed that their structural isomers can be interconvertible in solution, depending on the steric congestion around the helical scaffolds. Automated search for conformers in the equilibrium and transition states by Artificial Force Induced Reaction (AFIR) method revealed their interconversion networks, including bowl-inversion and helical-inversion. This analysis indicated that the co-existing corannulene and azahelicene moieties influence the conformational dynamics, which leads to mitigation of the activation energy barriers for isomerization.
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Affiliation(s)
- Koki Kise
- Department of Chemistry, Graduate School of Science, Kyoto University, Sakyo-ku, Kyoto, 606-8502, Japan
| | - Shota Ooi
- Department of Chemistry, Graduate School of Science, Kyoto University, Sakyo-ku, Kyoto, 606-8502, Japan
| | - Hayate Saito
- Department of Chemistry, Graduate School of Science, Kyoto University, Sakyo-ku, Kyoto, 606-8502, Japan
| | - Hideki Yorimitsu
- Department of Chemistry, Graduate School of Science, Kyoto University, Sakyo-ku, Kyoto, 606-8502, Japan
| | - Atsuhiro Osuka
- Department of Chemistry, Graduate School of Science, Kyoto University, Sakyo-ku, Kyoto, 606-8502, Japan
| | - Takayuki Tanaka
- Department of Chemistry, Graduate School of Science, Kyoto University, Sakyo-ku, Kyoto, 606-8502, Japan
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Wang Y, Jiang H, Liu X, Xu J, Gao Y, Finney NS. A palate of fluorescent corannulene derivatives: synthesis, spectroscopic properties, and bio-imaging application. Chem Commun (Camb) 2021; 57:5818-5821. [PMID: 34002184 DOI: 10.1039/d1cc02307a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Reported here is a palate of fluorescent corannulene derivatives suitable for cellular imaging. They are derived from "tagging" corannulene with known fluorophores. The tagged corannulenes display strong fluorescence (φF > 0.25 in MeOH), good photostability and long emission wavelength (500 nm to 600 nm). Cell staining experiments indicate that several of them have excellent cell membrane permeability and targeting ability. In addition, we have found an unexpected, highly efficient energy transfer from corannulene to the pendant fluorophore. This has implications for many areas of corannulene research.
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Affiliation(s)
- Yali Wang
- School of Pharmaceutical Sciences and Technology, Health Sciences Platform, Tianjin University, 92 Weijin Road, Nankai, Tianjin 300072, China.
| | - Haiyan Jiang
- School of Pharmaceutical Sciences and Technology, Health Sciences Platform, Tianjin University, 92 Weijin Road, Nankai, Tianjin 300072, China.
| | - Xueling Liu
- School of Pharmaceutical Sciences and Technology, Health Sciences Platform, Tianjin University, 92 Weijin Road, Nankai, Tianjin 300072, China.
| | - Jun Xu
- School of Pharmaceutical Sciences and Technology, Health Sciences Platform, Tianjin University, 92 Weijin Road, Nankai, Tianjin 300072, China.
| | - Yan Gao
- School of Pharmaceutical Sciences and Technology, Health Sciences Platform, Tianjin University, 92 Weijin Road, Nankai, Tianjin 300072, China.
| | - Nathaniel S Finney
- School of Pharmaceutical Sciences and Technology, Health Sciences Platform, Tianjin University, 92 Weijin Road, Nankai, Tianjin 300072, China.
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