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Recent articles 
Publications in 2021
| Author | Title | Year | Journal/Proceedings | Reftype | DOI/URL |
|---|---|---|---|---|---|
| Jérôme Tisaun, Baptiste Laramée-Milette, Joseph S. Beckwith, Jakob Bierwagen, Garry S. Hanan, Christian Reber*, Andreas Hauser*, and Cécile Moucheron* | Two RuII Linkage Isomers with Distinctly Different Charge Transfer Photophysics | 2021 | J. Phys. Chem. B Vol. 60(6), pp. 3677-3689 |
article | DOI URL |
| Abstract: The ligand PHEHAT (PHEHAT = 1,10-phenanthrolino[5,6-b]1,4,5,8,9,12-hexaazatriphenylene) presents a structural asymmetry that has a dramatic influence on the photophysical properties depending on the chelation site of the metal ion in the linkage isomers. While [RuII(phen)2HATPHE]2+ behaves classically, like [RuII(bpy)3]2+, [RuII(phen)2PHEHAT]2+ exhibits an unusual behavior. It appears that this complex has two 3MLCT bright states, the lower one being weakly emissive or nonemissive depending on the solvent and temperature. Different photophysical techniques involving a wide range of various temperatures and timescales are essential to analyze this difference. A full photophysical scheme is proposed based on experimental data and density functional theory calculations. While previous studies focused on high temperatures and longer timescale emission, we explore the complexes at very low temperatures and very short times in order to obtain a more complete picture of the intriguing photophysical behavior of these complexes. | |||||
BibTeX:
@article{0c03371,
author = {Jérôme Tisaun, Baptiste Laramée-Milette, Joseph S. Beckwith, Jakob Bierwagen, Garry S. Hanan, Christian Reber*, Andreas Hauser*, and Cécile Moucheron*},
title = {Two RuII Linkage Isomers with Distinctly Different Charge Transfer Photophysics},
journal = {Inorg.Chem},
year = {2021},
volume = {60},
number = {6},
pages = {3677-3689},
note = {PMID: 25747733},
url = {https://doi.org/10.1021/acs.inorgchem.0c03371},
doi = {https://doi.org/10.1021/acs.inorgchem.0c03371}
}
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| Samuel Oger , Hajar Baguia , Tuan-Anh Phan , Titouan Teunens , Jérôme Beaudelot , Cécile Moucheron and Gwilherm Evano | [Cu(bcp)(DPEphos)] + : Un catalyseur photorédox et photosensibilisateur polyvalent et efficace à base de cuivre | 2021 | SynOpen
Vol. 5, pp. 141-144 |
article | DOI URL |
| Abstract: | |||||
BibTeX:
@Article{,
author ="Samuel Oger , Hajar Baguia , Tuan-Anh Phan , Titouan Teunens , Jérôme Beaudelot , Cécile Moucheron, Gwilherm Evano",
title ="[Cu(bcp)(DPEphos)] + : Un catalyseur photorédox et photosensibilisateur polyvalent et efficace à base de cuivre",
journal ="Faraday Discuss.",
year ="2021",
volume ="5",
issue ="0",
pages ="141-144",
publisher ="SynOpen",
doi ="10.1055/a-1504-6972",
url ="https://www.thieme-connect.com/products/ejournals/html/10.1055/a-1504-6972",
}
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Publications in 2022
| Author | Title | Year | Journal/Proceedings | Reftype | DOI/URL |
|---|---|---|---|---|---|
| Clément Jacob,Hajar Baguia,Amaury Dubart,Samuel Oger,Pierre Thimany,Jérôme Beaudelot,Christophe Deldaele,Stefano Peruško,Yohann Landrain,Bastien Michelet,Samuel Neal,Eugénie Romero ,Cécile Moucheron,Véronique Van Speybroeck,Cédric Theunissen and Gwilherm Evano | A General Synthesis of Azetidines by Copper-Catalysed Photoinduced anti-Baldwin Radical Cyclization of Ynamides | 2022 | Nature Communications Vol. 13, pp. 1-8 |
article | DOI URL |
| Abstract: | |||||
BibTeX:
@Article{s41467,
author ="Clément Jacob,Hajar Baguia,Amaury Dubart,Samuel Oger,Pierre Thimany,Jérôme Beaudelot,Christophe Deldaele,Stefano Peruško,Yohann Landrain,Bastien Michelet,Samuel Neal,Eugénie Romero ,Cécile Moucheron,Véronique Van Speybroeck,Cédric Theunissen,Gwilherm Evano",
title ="A General Synthesis of Azetidines by Copper-Catalysed Photoinduced anti-Baldwin Radical Cyclization of Ynamides",
journal ="Nature Communications",
year ="2022",
volume ="13",
issue ="0",
pages ="1-8",
publisher ="Nature Communications",
doi ="10.1038/s41467-022-28098-x",
url ="https://www.nature.com/articles/s41467-022-28098-x",
}
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| Julie Jiang,Titouan Teunens,Laura Denuit,Jérôme Tisaun and Cécile Moucheron | Ruthenium(II) Polypyridinic complexes and their use as probes and photoreactive agents for G-quadruplexes labelling | 2022 | Molecules Vol. 27, pp. 1541 |
article | DOI URL |
| Abstract: Due to their optical and electrochemical properties, ruthenium(II) polypyridyl complexes have been used in a wide array of applications. Since the discovery of the light-switch ON effect of [Ru(bpy)2dppz]2+ when interacting with DNA, the design of new Ru(II) complexes as light-up probes for specific regions of DNA has been intensively explored. Amongst them, G-quadruplexes (G4s) are of particular interest. These structures formed by guanine-rich parts of DNA and RNA may be associated with a wide range of biological events. However, locating them and understanding their implications in biological pathways has proven challenging. Elegant approaches to tackle this challenge relies on the use of photoprobes capable of marking, reversibly or irreversibly, these G4s. Indeed, Ru(II) complexes containing ancillary π-deficient TAP ligands can create a covalently linked adduct with G4s after a photoinduced electron transfer from a guanine residue to the excited complex. Through careful design of the ligands, high selectivity of interaction with G4 structures can be achieved. This allows the creation of specific Ru(II) light-up probes and photoreactive agents for G4 labelling, which is at the core of this review composed of an introduction dedicated to a brief description of G-quadruplex structures and two main sections. The first one will provide a general picture of ligands and metal complexes interacting with G4s. The second one will focus on an exhaustive and comprehensive overview of the interactions and (photo)reactions of Ru(II) complexes with G4s. | |||||
BibTeX:
@Article{27051541,
author ="Julie Jiang,Titouan Teunens,Laura Denuit,Jérôme Tisaun,Cécile Moucheron",
title ="Polypyridinic Ruthenium(II)complexes and their use as probes and photoreactive agents for G-quadruplexes labelling",
journal ="Molecules",
year ="2022",
volume ="27",
issue ="0",
pages ="1541",
publisher ="Molecules",
doi ="10.3390/molecules27051541",
url ="https://doi.org/10.3390/molecules27051541",
abstract =""}
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| Jérôme Beaudelot,Samuel Oger,Stefano Perusku,Tuan-Anh Phan,Titouan Teunens, Cécile Moucheron and Gwilherm Evano | Photoactivatable Copper Complexes:Properties and Applications | 2022 | Chem.Rev
Vol. , pp. |
article | DOI URL |
| Abstract: | |||||
BibTeX:
@Article{accepted,
author ="Julie Jiang,Titouan Teunens,Laura Denuit,Jérôme Tisaun,Cécile Moucheron",
title ="Polypyridinic Ruthenium(II)complexes and their use as probes and photoreactive agents for G-quadruplexes labelling",
journal ="Chem.Rev",
year ="2022",
volume ="",
issue ="0",
pages ="",
publisher ="Chem.Rev",
doi ="10.1",
url ="https://doi.org/10.1",
abstract =""}
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| Hajar Baguia,Jérôme Beaudelot,Cécile Mocheron and Gwilherm Evano | Photoinduced Copper-catalyzed Direct Perfluoroalkylation of Heteroarenes | 2022 | Chemical Communicatios Vol. 58, pp. 9080-9083 |
article | DOI URL |
| Abstract:
An efficient and general process is reported for the photoinduced, copper-catalysed direct perfluoroalkylation of C–H bonds in a broad range of heteroarenes with commercially available perfluoroalkyl iodides. This redox neutral process is simply based on the use of [Cu(bcp)DPEPhos]PF6 as the photoredox catalyst in the presence of potassium acetate and smoothly operates at room temperature. |
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BibTeX:
@Article{d2cc02146c,
author ="Hajar Baguia,Jérôme Beaudelot,Cécile Mocheron and Gwilherm Evano",
title ="Photoinduced Copper-catalyzed Direct Perfluoroalkylation of Heteroarenes",
journal ="Chemical Communications",
year ="2022",
volume ="65",
issue ="0",
pages ="9080-9083",
publisher ="Chemical Communications",
doi ="https://pubs.rsc.org/en/content/articlelanding/2022/cc/d2cc02146c",
url ="https://pubs.rsc.org/en/content/articlelanding/2022/cc/d2cc02146c",
abstract =""}
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| Tzu-Ho Chen, Kevin Garnir, Chong-Yan Chen, Cheng-Bang Jian, Hua-De Gao, Bill Cheng, Mei-Chun Tseng, Cécile Moucheron, Andrée Kirsch-De Mesmaeker*, and Hsien-Ming Lee | A Toolkit for Engineering Proteins in Living Cells: Peptide with a Tryptophan-Selective Ru-TAP Complex to Regioselectively Photolabel Specific Proteins | 2022 | J.Am.Chem.Soc Vol. 144, pp. 18117-18125 |
article | DOI URL |
| Abstract:
Using a chemical approach to crosslink functionally versatile bioeffectors (such as peptides) to native proteins of interest (POI) directly inside a living cell is a useful toolbox for chemical biologists. However, this goal has not been reached due to unsatisfactory chemoselectivity, regioselectivity, and protein selectivity in protein labeling within living cells. Herein, we report the proof of concept of a cytocompatible and highly selective photolabeling strategy using a tryptophan-specific Ru-TAP complex as a photocrosslinker. Aside from the high selectivity, the photolabeling is blue light-driven by a photoinduced electron transfer (PeT) and allows the bioeffector to bear an additional UV-responsive unit. The two different photosensitivities are demonstrated by blue light-photocrosslinking a UV-sensitive peptide to POI. Our visible light photolabeling can generate photocaged proteins for subsequent activity manipulation by UV light. Cytoskeletal dynamics regulation is demonstrated in living cells via the unprecedented POI photomanipulation and proves that our methodology opens a new avenue to endogenous protein modification. |
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BibTeX:
@Article{2c08342,
author ="Tzu-Ho Chen, Kevin Garnir, Chong-Yan Chen, Cheng-Bang Jian, Hua-De Gao, Bill Cheng, Mei-Chun Tseng, Cécile Moucheron, Andrée Kirsch-De Mesmaeker*, and Hsien-Ming Lee",
title ="A Toolkit for Engineering Proteins in Living Cells: Peptide with a Tryptophan-Selective Ru-TAP Complex to Regioselectively Photolabel Specific Proteins",
journal ="J.Am.Chem.Soc",
year ="2022",
volume ="144",
issue ="0",
pages ="18117-18125",
publisher ="J.Am.Chem.Soc",
doi ="https://pubs.acs.org/doi/10.1021/jacs.2c08342">,
url ="https://pubs.acs.org/doi/10.1021/jacs.2c08342">,
}
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