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Duan J, Ouyang X, Jiang Z, Liu Z, Wang X. Near-infrared fluorescent indolizine-dicyanomethylene-4H-pyran hybrids for viscosity imaging in living cells. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2024; 316:124330. [PMID: 38685160 DOI: 10.1016/j.saa.2024.124330] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/05/2023] [Revised: 04/13/2024] [Accepted: 04/22/2024] [Indexed: 05/02/2024]
Abstract
The development of near-infrared organic fluorescent dyes with tunable emission profiles is highly required in the field of biological sensing and imaging. In this paper, we designed and synthesized two organic fluorescent dyes, DCM-1 and DCM-2, through the hybridization of indolizine and dicyanomethylene-4H-pyran skeleton. These two compounds show near-infrared fluorescence with emission maximum approximately at 640 and 680 nm, respectively. Notably, both DCM-1 and DCM-2 have specific responses to viscosity without being interfered by biological relevant species. Cell experiments demonstrate that DCM-1 and DCM-2 can detect dynamic changes in viscosity within living cells, suggesting their potential applications in chemical biology research.
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Affiliation(s)
- Jinyu Duan
- College of Science, Nanjing Forestry University, Nanjing 210037, China
| | - Xiaoyu Ouyang
- College of Science, Nanjing Forestry University, Nanjing 210037, China
| | - Zhiyong Jiang
- School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, China
| | - Zhipeng Liu
- Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Nanjing Forestry University, Nanjing 210037, China
| | - Xiaoqing Wang
- College of Science, Nanjing Forestry University, Nanjing 210037, China.
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2
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Valla L, Pitrat D, Mulatier JC, Le Bahers T, Jeanneau E, Ali LMA, Nguyen C, Gary-Bobo M, Andraud C, Bretonnière Y. Imidazo[1,2- a]pyridine and Imidazo[1,5- a]pyridine: Electron Donor Groups in the Design of D-π-A Dyes. J Org Chem 2024. [PMID: 38853362 DOI: 10.1021/acs.joc.4c00232] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/11/2024]
Abstract
This work investigates the electron-donating capabilities of two 10-π electron nitrogen bridgehead bicyclic [5,6]-fused ring systems, imidazo[1,2-a]pyridine and imidazo[1,5-a]pyridine rings. Eight compounds with varying positions of electron-withdrawing moieties (TCF or DCI) coupled to the imidazopyridine ring were synthesized and studied. DCI-containing compounds (Ib-IVb) exhibited a purely dipolar nature with broad absorption bands, weak fluorescence, large Stokes shifts, and strong solvatochromism. In contrast, TCF-containing compounds (Ia-IVa) demonstrated diverse properties. Imidazo[1,2-a]pyridine derivatives Ia and IIa were purely dipolar, while imidazo[1,5-a]pyridine derivatives IIIa and IVa displayed a cyanine-like character with intense absorption and higher quantum yields of emission. The observed gradual red shift in optical properties with changing electron-donor groups (IIb < Ib < IIIb < IVb) and (IIa < Ia < IIIa < IVa) underscores the stronger electron-donor character of imidazo[1,5-a]pyridine compared to that of imidazo[1,2-a]pyridine. Furthermore, crystalline powders of imidazo[1,2-a]pyridine derivatives exhibited fluorescence despite minimal emission in solution. Two compounds (Ib and IVa) were successfully formulated into nanoparticles for potential in vivo imaging applications in zebrafish embryos.
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Affiliation(s)
- Léa Valla
- Laboratoire de Chimie de l'ENS de Lyon, Univ Lyon, ENS de Lyon, CNRS UMR 5182, Université Claude Bernard Lyon 1, 69342 Lyon, France
| | - Delphine Pitrat
- Laboratoire de Chimie de l'ENS de Lyon, Univ Lyon, ENS de Lyon, CNRS UMR 5182, Université Claude Bernard Lyon 1, 69342 Lyon, France
| | - Jean-Christophe Mulatier
- Laboratoire de Chimie de l'ENS de Lyon, Univ Lyon, ENS de Lyon, CNRS UMR 5182, Université Claude Bernard Lyon 1, 69342 Lyon, France
| | - Tangui Le Bahers
- Laboratoire de Chimie de l'ENS de Lyon, Univ Lyon, ENS de Lyon, CNRS UMR 5182, Université Claude Bernard Lyon 1, 69342 Lyon, France
- Institut Universitaire de France 5 Rue Descartes, Paris 75005, France
| | - Erwann Jeanneau
- Univ Lyon, Centre de Diffractométrie Henri Longchambon, Université Lyon I, 43 Boulevard du 11 Novembre 1918, 69622 Villeurbanne Cedex, France
| | - Lamiaa M A Ali
- IBMM, Univ Montpellier, CNRS, ENSCM, 1919 Route de Mende, 34293 Montpellier, France
| | - Christophe Nguyen
- IBMM, Univ Montpellier, CNRS, ENSCM, 1919 Route de Mende, 34293 Montpellier, France
| | - Magali Gary-Bobo
- IBMM, Univ Montpellier, CNRS, ENSCM, 1919 Route de Mende, 34293 Montpellier, France
| | - Chantal Andraud
- Laboratoire de Chimie de l'ENS de Lyon, Univ Lyon, ENS de Lyon, CNRS UMR 5182, Université Claude Bernard Lyon 1, 69342 Lyon, France
| | - Yann Bretonnière
- Laboratoire de Chimie de l'ENS de Lyon, Univ Lyon, ENS de Lyon, CNRS UMR 5182, Université Claude Bernard Lyon 1, 69342 Lyon, France
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3
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Islamova LN, Kalinin AA, Gaisin AI, Fazleeva GM, Shmelev AG, Sharipova SM, Shalin NI, Mukhtarov AS, Vakhonina TA, Fominykh OD, Yu. Balakina M. The Effect Of The Additional Phenyl Moiety On The Linear And Quadratic Nonlinear Optical Properties Of Chromophores With Vinyl-Quinoxalinone-Vinyl Π-Bridge. J Photochem Photobiol A Chem 2022. [DOI: 10.1016/j.jphotochem.2022.114013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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4
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Huang M, Deng L, Lao T, Zhang Z, Su Z, Yu Y, Cao H. Mechanochemically Induced Dehydrogenation Coupling and [3+2] Cycloaddition of Indolizines with Allenes Using Piezoelectric Materials. J Org Chem 2022; 87:3265-3275. [PMID: 35080180 DOI: 10.1021/acs.joc.1c02940] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
A wide range of indolizines with allenes proceeded smoothly under mechanochemically induced conditions via a [3+2] annulation process, affording various substituted pyrrolo[2,1,5-cd]indolizines in good yields. The reaction efficiency was greatly improved by using piezoelectric material as the charge transfer catalyst. The photophysical properties of the resulting pyrrolo[2,1,5-cd]indolizine were characterized.
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Affiliation(s)
- Mingzhou Huang
- School of Chemistry and Chemical Engineering and Guangdong Cosmetics Engineering & Technology Research Centre, Guangdong Pharmaceutical University, Zhongshan 528458, China
| | - Lichan Deng
- School of Chemistry and Chemical Engineering and Guangdong Cosmetics Engineering & Technology Research Centre, Guangdong Pharmaceutical University, Zhongshan 528458, China
| | - Tianfeng Lao
- School of Chemistry and Chemical Engineering and Guangdong Cosmetics Engineering & Technology Research Centre, Guangdong Pharmaceutical University, Zhongshan 528458, China
| | - Ziwu Zhang
- School of Chemistry and Chemical Engineering and Guangdong Cosmetics Engineering & Technology Research Centre, Guangdong Pharmaceutical University, Zhongshan 528458, China
| | - Zhengquan Su
- Guangdong Engineering Research Centre of Natural Products and New Drugs, Guangdong Provincial University Engineering Technology Research Centre of Natural Products and Drugs, Guangdong Pharmaceutical University, Guangzhou 510006, China
| | - Yue Yu
- School of Chemistry and Chemical Engineering and Guangdong Cosmetics Engineering & Technology Research Centre, Guangdong Pharmaceutical University, Zhongshan 528458, China.,Guangdong Pharmaceutical University-University of Hong Kong Joint Biomedical Innovation Platform, Zhongshan 528437, China
| | - Hua Cao
- School of Chemistry and Chemical Engineering and Guangdong Cosmetics Engineering & Technology Research Centre, Guangdong Pharmaceutical University, Zhongshan 528458, China.,Guangdong Pharmaceutical University-University of Hong Kong Joint Biomedical Innovation Platform, Zhongshan 528437, China
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5
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Fu L, Wang J, Chen X, Shi T, Shao Z, Chen J, Tian C, Zhou Z, Zhu H, Zhang J. [4+2]-Annulation of prop-2-ynylsulfonium salts and N-substituted pyrrole-2-carboxaldehydes: access to indolizines containing a thioether group. NEW J CHEM 2022. [DOI: 10.1039/d1nj04079k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
[4+2]-Annulation of prop-2-ynylsulfonium salts and N-substituted pyrrole-2-carboxaldehydes to generate indolizines containing a thioether group.
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Affiliation(s)
- Liping Fu
- Department of Pharmacy, Shaoxing TCM Hospital Affiliated to Zhejiang Chinese Medical University, Shaoxing, Zhejiang 312000, P. R. China
| | - Jing Wang
- School of Medicine, Zhejiang University City College, Hangzhou, Zhejiang 310015, P. R. China
| | - Xiaojuan Chen
- School of Medicine, Zhejiang University City College, Hangzhou, Zhejiang 310015, P. R. China
| | - Tao Shi
- School of Medicine, Zhejiang University City College, Hangzhou, Zhejiang 310015, P. R. China
| | - Zhanying Shao
- Zhejiang Yongtai Technology Co., Ltd, Taizhou, Zhejiang 317016, P. R. China
| | - Jinbai Chen
- Department of Pharmacy, Shaoxing TCM Hospital Affiliated to Zhejiang Chinese Medical University, Shaoxing, Zhejiang 312000, P. R. China
| | - Chongmei Tian
- Department of Pharmacy, Shaoxing TCM Hospital Affiliated to Zhejiang Chinese Medical University, Shaoxing, Zhejiang 312000, P. R. China
| | - Zhongdong Zhou
- Department of Pharmacy, Shaoxing TCM Hospital Affiliated to Zhejiang Chinese Medical University, Shaoxing, Zhejiang 312000, P. R. China
| | - Huajian Zhu
- School of Medicine, Zhejiang University City College, Hangzhou, Zhejiang 310015, P. R. China
| | - Jiankang Zhang
- School of Medicine, Zhejiang University City College, Hangzhou, Zhejiang 310015, P. R. China
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