1
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Musa M, Abid M, Bradshaw TD, Boocock DJ, Coveney C, Argent SP, Woodward S. Probing the Mechanism of Action of Bis(phenolato) Amine (ONO Donor Set) Titanium(IV) Anticancer Agents. J Med Chem 2024; 67:2732-2744. [PMID: 38331433 PMCID: PMC10895680 DOI: 10.1021/acs.jmedchem.3c01874] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/10/2024]
Abstract
The need for anticancer therapies that overcome metallodrug resistance while minimizing adverse toxicities is targeted, herein, using titanium coordination complexes. Octahedral titanium(IV) trans,mer-[Ti{R1N(CH2-2-MeO-4-R1-C6H2)2}2] [R1 = Et, allyl, n-Pr, CHO, F, CH2(morpholino), the latter from the formyl derivative; R2 = Me, Et; not all combinations] are attained from Mannich reactions of commercial 2-methoxyphenols (27-74% overall yield, 2 steps). These crystalline (four X-ray structures) Ti(IV)-complexes are active against MCF-7, HCT-116, HT-29, PANC-1, and MDA-MB-468 cancer cell lines (GI50 = 0.5-38 μM). Their activity and cancer selectivity (vs nontumor MRC-5 cells) typically exceeds that of cisplatin (up to 16-fold). Proteomic analysis (in MCF-7) supported by other studies (G2/M cell cycle arrest, ROS generation, γH2AX production, caspase activation, annexin positivity, western blot, and kinase screens in MCF-7 and HCT-116) suggest apoptosis elicited by more than one mechanism of action. Comparison of these data to the modes of action proposed for salan Ti(IV) complexes is made.
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Affiliation(s)
- Mustapha Musa
- GSK Carbon Neutral Laboratories for Sustainable Chemistry, University of Nottingham, Triumph Road, Nottingham NG7 2TU, U.K
| | - Mohammed Abid
- Department of Chemistry, College of Science, University of Anbar, Anbarshire 31001, Iraq
| | - Tracey D Bradshaw
- BDI, School of Pharmacy, University of Nottingham, University Park, Nottingham NG7 2RD, U.K
| | - David J Boocock
- School of Science and Technology, Nottingham Trent University, Clifton, Nottingham NG11 8NS, U.K
| | - Clare Coveney
- School of Science and Technology, Nottingham Trent University, Clifton, Nottingham NG11 8NS, U.K
| | - Stephen P Argent
- School of Chemistry, University of Nottingham, University Park, Nottingham NG7 2RD, U.K
| | - Simon Woodward
- GSK Carbon Neutral Laboratories for Sustainable Chemistry, University of Nottingham, Triumph Road, Nottingham NG7 2TU, U.K
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2
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Achelle S, Rodríguez-López J, Robin-le Guen F. The arylvinylpyrimidine scaffold: a tunable platform for luminescent and optical materials. Org Biomol Chem 2022; 21:39-52. [PMID: 36441633 DOI: 10.1039/d2ob01841a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
The incorporation of electron-withdrawing pyrimidine rings within π-extended systems allows access to a wide variety of fluorescent push-pull molecules that display emission properties highly sensitive to external stimuli. A suitable design of these compounds leads to interesting materials for a variety of optoelectronic applications. In this context, a vast number of arylvinylpyrimidine-based chromophores have been extensively studied during the last two decades. Along with the main synthetic pathways, this review summarizes the photophysical features of these active compounds having great potential and their most important applications as sensors and luminescence materials.
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Affiliation(s)
- Sylvain Achelle
- Univ. Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes) - UMR 6226, F-35000 Rennes, France.
| | - Julián Rodríguez-López
- Universidad de Castilla-La Mancha, Área de Química Orgánica, Facultad de Ciencias y Technologías Químicas, 13071 Ciudad Real, Spain.
| | - Françoise Robin-le Guen
- Univ. Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes) - UMR 6226, F-35000 Rennes, France.
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3
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Scarpi-Luttenauer M, Galentino K, Orvain C, Cecchini M, Gaiddon C, Mobian P. TiO4N2 complexes formed with 1,10-phenanthroline ligands containing a donor-acceptor hydrogen bond site: synthesis, cytotoxicity and docking experiments. Inorganica Chim Acta 2022. [DOI: 10.1016/j.ica.2022.121036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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4
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Barloy L, Heinrich B, Scarpi-Luttenauer M, Douce L, Henry M, Khalil G, Klein D, Kyritsakas N, Mobian P. Modified pyridine-triazole and 2,2'-bipyrimidine ligands generating robust titanium complexes constructed around a TiO 4N 2 core. Dalton Trans 2021; 50:17008-17022. [PMID: 34738604 DOI: 10.1039/d1dt03172d] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
The synthesis and characterisation of novel chelate nitrogen ligands with phasmidic tails (pyridine-triazole ligand 1b; 2,2'-bipyrimidine ligands 2b and 3b) as well as their titanium(IV) coordination complexes are reported. The analogous ligands 1a, 2a and 3a with methoxy substituents instead of the tails were also synthesized, together with titanium complexes that could be crystallographically characterised. A good agreement is noticed between analytical data of the complexes in solution (NMR) and in the solid state (X-ray diffraction). The complexes are overall robust on phases like alumina or silica, so that they could be characterised by TLC and sometimes chromatographied. Supramolecular architectures were generated from an equimolar solution of titanium(IV) isopropoxide, ligand 1a and a polyphenol ligand 5-H4, leading to a double-stranded helicate characterised by MS, NMR and crystallography, which was then converted into a trinuclear complex as shown by MS and NMR DOSY data. The liquid-crystalline behaviour of the ligands 1b, 2b and 3b incorporating the long alkyl tails and that of the complexes derived from these ligands have been investigated.
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Affiliation(s)
- L Barloy
- Université de Strasbourg, CNRS, CMC UMR 7140, F-67000 Strasbourg, France.
| | - B Heinrich
- Institut de Physique et Chimie des Matériaux de Strasbourg (IPCMS), UMR 7504, CNRS-Université de Strasbourg, F-67034 Strasbourg, France
| | | | - L Douce
- Institut de Physique et Chimie des Matériaux de Strasbourg (IPCMS), UMR 7504, CNRS-Université de Strasbourg, F-67034 Strasbourg, France
| | - M Henry
- Université de Strasbourg, CNRS, CMC UMR 7140, F-67000 Strasbourg, France.
| | - G Khalil
- Université de Strasbourg, CNRS, CMC UMR 7140, F-67000 Strasbourg, France.
| | - D Klein
- Université de Strasbourg, CNRS, CMC UMR 7140, F-67000 Strasbourg, France.
| | - N Kyritsakas
- Université de Strasbourg, CNRS, CMC UMR 7140, F-67000 Strasbourg, France.
| | - P Mobian
- Université de Strasbourg, CNRS, CMC UMR 7140, F-67000 Strasbourg, France.
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5
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Scarpi-Luttenauer M, Kyritsakas N, Chaumont A, Mobian P. Chemistry on the Complex: Derivatization of TiO 4 N 2 -Based Complexes and Application to Multi-Step Synthesis. Chemistry 2021; 27:17910-17920. [PMID: 34767287 DOI: 10.1002/chem.202103235] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2021] [Indexed: 01/15/2023]
Abstract
The chemistry on octahedral TiO4 N2 -complexes is described. The Ti(IV)-based precursors are composed of two 3,3'-diphenyl-2,2'-biphenolato ligands (1) and one substituted 1,10-phenanthroline ligand (2-5). The application of imine condensation, palladium-catalyzed C-C bond formation or copper-catalysed azide-alkyne cycloaddition allowed the grafting of various new groups onto these species. In particular Sonogashira reactions permitted to observe an excellent conversion of the starting complexes. This systematic study enabled to compile the factors required to preserve the framework of the complexes in the course of a chemical transformation. Thanks to this chemistry realized on the complex, the Ti(1)2 fragment was used as a protecting group to develop a multi-step synthesis of a bis-phenanthroline compound (12), for which the synthesis without this protection failed. Thus, a dinuclear complex [Ti2 (1)4 (12)] was first prepared starting from complex precursor bearing an acetylenic function via a Hay coupling reaction. This was followed by a deprotection step affording 12. Overall, this work illustrates how the Ti(1)2 fragment could be an useful tool for the preparation of unprecedented diimine compounds.
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Affiliation(s)
- Matthieu Scarpi-Luttenauer
- Laboratoire de Synthèse et fonctions des Architectures Moléculaires, Université de Strasbourg, CNRS, CMC UMR 7140, 67000, Strasbourg, France
| | - Nathalie Kyritsakas
- Laboratoire de Tectonique Moléculaire, Université de Strasbourg, CNRS, CMC UMR 7140, 67000, Strasbourg, France
| | - Alain Chaumont
- Laboratoire de Modélisation et Simulations Moléculaires, Université de Strasbourg, CNRS, CMC UMR 7140, 67000, Strasbourg, France
| | - Pierre Mobian
- Laboratoire de Synthèse et fonctions des Architectures Moléculaires, Université de Strasbourg, CNRS, CMC UMR 7140, 67000, Strasbourg, France
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6
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Khalil G, Barloy L, Kyritsakas N, Kauffmann B, Chaumont A, Henry M, Mobian P. Symmetry Decrease between Self‐Assembled Circular TiO
4
N
2
‐Based Helicates. Eur J Inorg Chem 2020. [DOI: 10.1002/ejic.202000531] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Georges Khalil
- Laboratoire de Chimie Moléculaire de l'Etat Solide UMR 7140 UDS‐CNRS Université de Strasbourg 4 rue Blaise Pascal F‐67000 Strasbourg France
| | - Laurent Barloy
- Laboratoire de Chimie Moléculaire de l'Etat Solide UMR 7140 UDS‐CNRS Université de Strasbourg 4 rue Blaise Pascal F‐67000 Strasbourg France
| | - Nathalie Kyritsakas
- Laboratoire de Tectonique Moléculaire UMR 7140 UDS‐CNRS Université de Strasbourg 4 rue Blaise Pascal F‐67000 Strasbourg France
| | - Brice Kauffmann
- IECB, UMS 3033/US 001 Univ. Bordeaux 2 rue Robert Escarpit 33607 Pessac France
| | - Alain Chaumont
- Laboratoire de Chimie Moléculaire de l'Etat Solide UMR 7140 UDS‐CNRS Université de Strasbourg 4 rue Blaise Pascal F‐67000 Strasbourg France
- Laboratoire de Modélisation et Simulations Moléculaires UMR 7140 UDS‐CNRS Université de Strasbourg 4 rue Blaise Pascal F‐67000 Strasbourg France
| | - Marc Henry
- Laboratoire de Chimie Moléculaire de l'Etat Solide UMR 7140 UDS‐CNRS Université de Strasbourg 4 rue Blaise Pascal F‐67000 Strasbourg France
| | - Pierre Mobian
- Laboratoire de Chimie Moléculaire de l'Etat Solide UMR 7140 UDS‐CNRS Université de Strasbourg 4 rue Blaise Pascal F‐67000 Strasbourg France
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7
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Scarpi-Luttenauer M, Geminiani L, Lebrun P, Kyritsakas N, Chaumont A, Henry M, Mobian P. Bent 1,10-Phenanthroline Ligands within Octahedral Complexes Constructed around a TiO 4N 2 Core. Inorg Chem 2020; 59:12005-12016. [PMID: 32805984 DOI: 10.1021/acs.inorgchem.0c00915] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The synthesis of monomeric octahedral complexes constructed around a TiO4N2 core bearing neocuproine derivatives is detailed. These architectures follow the [Ti(1)2(N-N)] general formulas, where 1 is the 6,6'-diphenyl-2,2'-biphenolato ligand and N-N is a 1,10-phenanthroline derivative. Single-crystal analysis revealed that the neocuproine-based ligands within these architectures adopt a nonplanar geometry. The distortion of these aromatic diimine systems has been quantified through measurement of a torsion angle (α) and a dihedral angle (β) defined by two planes within the aromatic diimine molecule (π1 and π2), permitting one to evaluate the twisting and bending of a coordinated nitrogen ligand, respectively. Next, the scope of this investigation was extended to the synthesis of a dimeric architecture, [Ti2(1)4(3)], where 3 is the 5,5'-bis(neocuproine) ligand. Again, a strong distortion of the neocuproine fragments was characterized in the crystalline state for such a complex. The UV-visible properties of these complexes were interpreted with the help of time-dependent density functional theory calculations. The solution behavior as well as good hydrolytic stability of these species has been established.
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Affiliation(s)
- Matthieu Scarpi-Luttenauer
- Laboratoire de Chimie Moléculaire de l'Etat Solide, UMR 7140, UDS-CNRS, Université de Strasbourg, 4 rue Blaise Pascal, F-67000 Strasbourg, France
| | - Loris Geminiani
- Laboratoire de Chimie Moléculaire de l'Etat Solide, UMR 7140, UDS-CNRS, Université de Strasbourg, 4 rue Blaise Pascal, F-67000 Strasbourg, France
| | - Pauline Lebrun
- Laboratoire de Chimie Moléculaire de l'Etat Solide, UMR 7140, UDS-CNRS, Université de Strasbourg, 4 rue Blaise Pascal, F-67000 Strasbourg, France
| | - Nathalie Kyritsakas
- Laboratoire de Tectonique Moléculaire, UMR 7140, UDS-CNRS, Université de Strasbourg, 4 rue Blaise Pascal, F-67000 Strasbourg, France
| | - Alain Chaumont
- Laboratoire de Modélisation et Simulations Moléculaires, UMR 7140, UDS-CNRS, Université de Strasbourg, 4 rue Blaise Pascal, F-67000 Strasbourg, France
| | - Marc Henry
- Laboratoire de Chimie Moléculaire de l'Etat Solide, UMR 7140, UDS-CNRS, Université de Strasbourg, 4 rue Blaise Pascal, F-67000 Strasbourg, France
| | - Pierre Mobian
- Laboratoire de Chimie Moléculaire de l'Etat Solide, UMR 7140, UDS-CNRS, Université de Strasbourg, 4 rue Blaise Pascal, F-67000 Strasbourg, France
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8
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da Silva MRE, Auvray T, Hanan GS. Synthesis of a novel bipyrimidine dicarboxylic acid ligand for the preparation of panchromatic ruthenium dyes. Inorganica Chim Acta 2020. [DOI: 10.1016/j.ica.2019.119194] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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9
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Barloy L, Heinrich B, Douce L, Henry M, Scarpi-Luttenauer M, Kyritsakas N, Mobian P. A robust Ti(iv)-based mesogen constructed around a TiO4N2 core. Dalton Trans 2019; 48:1960-1963. [DOI: 10.1039/c8dt04972f] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A Ti(iv)-complex with thermotropic liquid crystal properties is reported.
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Affiliation(s)
- L. Barloy
- Laboratoire de Chimie Moléculaire de l'Etat Solide
- UMR 7140 UDS-CNRS
- Université de Strasbourg
- F-67000 Strasbourg
- France
| | - B. Heinrich
- Université de Strasbourg
- CNRS
- Institut de Physique et de Chimie des Matériaux de Strasbourg
- F-67000 Strasbourg
- France
| | - L. Douce
- Université de Strasbourg
- CNRS
- Institut de Physique et de Chimie des Matériaux de Strasbourg
- F-67000 Strasbourg
- France
| | - M. Henry
- Laboratoire de Chimie Moléculaire de l'Etat Solide
- UMR 7140 UDS-CNRS
- Université de Strasbourg
- F-67000 Strasbourg
- France
| | - M. Scarpi-Luttenauer
- Laboratoire de Chimie Moléculaire de l'Etat Solide
- UMR 7140 UDS-CNRS
- Université de Strasbourg
- F-67000 Strasbourg
- France
| | - N. Kyritsakas
- Laboratoire de Tectonique Moléculaire
- UMR 7140 UDS-CNRS
- Université de Strasbourg
- F-67000 Strasbourg
- France
| | - P. Mobian
- Laboratoire de Chimie Moléculaire de l'Etat Solide
- UMR 7140 UDS-CNRS
- Université de Strasbourg
- F-67000 Strasbourg
- France
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10
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Patrahau B, Chaumont C, Barloy L, Hellwig P, Henry M, Melin F, Pauly M, Mobian P. From a bulk solid to thin films of a hybrid material derived from the [Ti10O12(cat)8(py)8] oxo-cluster and poly(4-vinylpyridine). NEW J CHEM 2019. [DOI: 10.1039/c8nj05410j] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Homogeneous coloured hybrid materials are prepared from the [Ti10O12(cat)8(py)8] oxo-cluster and poly(4-vinylpyridine). SiO2 surfaces are functionalized with thin films of this material.
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Affiliation(s)
- Bianca Patrahau
- Laboratoire de Chimie Moléculaire de l'Etat Solide
- UMR 7140 Unistra-CNRS
- Université de Strasbourg
- 4 rue Blaise Pascal
- F-67000 Strasbourg
| | - Clément Chaumont
- Laboratoire de Chimie Moléculaire de l'Etat Solide
- UMR 7140 Unistra-CNRS
- Université de Strasbourg
- 4 rue Blaise Pascal
- F-67000 Strasbourg
| | - Laurent Barloy
- Laboratoire de Chimie Moléculaire de l'Etat Solide
- UMR 7140 Unistra-CNRS
- Université de Strasbourg
- 4 rue Blaise Pascal
- F-67000 Strasbourg
| | - Petra Hellwig
- Laboratoire de Bioélectrochimie et Spectroscopie
- UMR 7140 Unistra-CNRS
- Université de Strasbourg
- 4 rue Blaise Pascal
- F-67000 Strasbourg
| | - Marc Henry
- Laboratoire de Chimie Moléculaire de l'Etat Solide
- UMR 7140 Unistra-CNRS
- Université de Strasbourg
- 4 rue Blaise Pascal
- F-67000 Strasbourg
| | - Frédéric Melin
- Laboratoire de Bioélectrochimie et Spectroscopie
- UMR 7140 Unistra-CNRS
- Université de Strasbourg
- 4 rue Blaise Pascal
- F-67000 Strasbourg
| | - Matthias Pauly
- Polyélectrolytes
- Complexes et Matériaux
- Université de Strasbourg
- CNRS
- Institut Charles Sadron
| | - Pierre Mobian
- Laboratoire de Chimie Moléculaire de l'Etat Solide
- UMR 7140 Unistra-CNRS
- Université de Strasbourg
- 4 rue Blaise Pascal
- F-67000 Strasbourg
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11
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Abstract
In this invited Perspective, recent developments and possible future directions of research on photoactive coordination compounds made from nonprecious transition metal elements will be discussed. The focus is on conceptually new, structurally well-characterized complexes with excited-state lifetimes between 10 ps and 1 ms in fluid solution for possible applications in photosensitizing, light-harvesting, luminescence and catalysis. The key metal elements considered herein are Cr, Mn, Fe, Co, Ni, Cu, Zn, Zr, Mo, W and Ce in various oxidation states equipped with diverse ligands, giving access to long-lived excited states via a range of fundamentally different types of electronic transitions. Research performed in this area over the past five years demonstrated that a much broader spectrum of metal complexes than what was long considered relevant exhibits useful photophysics and photochemistry.
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Affiliation(s)
- Oliver S Wenger
- Department of Chemistry , University of Basel , St. Johanns-Ring 19 , 4056 Basel , Switzerland
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12
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Bizzarri C, Spuling E, Knoll DM, Volz D, Bräse S. Sustainable metal complexes for organic light-emitting diodes (OLEDs). Coord Chem Rev 2018. [DOI: 10.1016/j.ccr.2017.09.011] [Citation(s) in RCA: 210] [Impact Index Per Article: 35.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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13
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Tzubery A, Melamed-Book N, Tshuva EY. Fluorescent antitumor titanium(iv) salen complexes for cell imaging. Dalton Trans 2018; 47:3669-3673. [DOI: 10.1039/c7dt04828a] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
First live cell imaging using florescent salen Ti(iv) complexes, which are cytotoxic and inactive, both entering the cell but with different subcellular accumulations.
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Affiliation(s)
- Avia Tzubery
- Institute of Chemistry
- The Hebrew University of Jerusalem
- Jerusalem 9190401
- Israel
| | - Naomi Melamed-Book
- The Bio-Imaging Unit
- The Alexander Silberman Institute of Life Sciences
- The Hebrew University of Jerusalem
- Jerusalem 9190401
- Israel
| | - Edit Y. Tshuva
- Institute of Chemistry
- The Hebrew University of Jerusalem
- Jerusalem 9190401
- Israel
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