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Khaled RM, Hegazy YS, Arafa MM, Sadek MS, Radacki K, A E Mostafa G, Ali EA, Shehab OR, Mansour AM. Insights into the photoactivatable CO releasing properties of dicarbonyl Ru(II) complex with 8-amino quinoline ligand: Experimental and theoretical studies. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2024; 320:124644. [PMID: 38901235 DOI: 10.1016/j.saa.2024.124644] [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: 11/29/2023] [Revised: 05/19/2024] [Accepted: 06/10/2024] [Indexed: 06/22/2024]
Abstract
Reaction between the polymeric [RuCl2(CO)2]n and the N,N-bidentate ligand, 8-amino-quinoline (Quin), in methanol, afforded the photoactivated CO releasing molecule with the formula of trans-(Cl,Cl)-[RuCl2(CO)2Quin]. In the presence of biomolecules or in solvents with varying polarity and coordinating abilities, the solvatochromic characteristics and dark stability were investigated. A new board band emerged in the visible spectrum during the illumination, and its position varies according to the type of solvent used, indicating the role of the solvent in controlling the nature of the CO-depleted species. Spectral methods were used in combination with density functional theory simulations to get insight into the local minimum structure and the electronic properties of the Ru(II) complex. The results of the myoglobin assay showed that within the first two hours of illumination, one of the two CO molecules was released. The cytotoxic properties of the Ru(II)-based complex were investigated against normal mice bone marrow stromal cells and malignant human acute monocytic leukaemia cells.
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Affiliation(s)
- Rabaa M Khaled
- Department of Chemistry, Faculty of Science, Cairo University, Gamma Street, Giza, Cairo 12613, Egypt
| | - Yara S Hegazy
- Department of Chemistry, Faculty of Science, Cairo University, Gamma Street, Giza, Cairo 12613, Egypt
| | - Mohamed M Arafa
- Department of Chemistry, Faculty of Science, Cairo University, Gamma Street, Giza, Cairo 12613, Egypt
| | - Muhammed S Sadek
- Department of Chemistry, Faculty of Science, Cairo University, Gamma Street, Giza, Cairo 12613, Egypt
| | - Krzysztof Radacki
- institut für Anorganische Chemie, Julius-Maximilians-Universität Würzburg, Am Hubland, D-97074 Würzburg, Germany
| | - Gamal A E Mostafa
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia
| | - Essam A Ali
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia
| | - Ola R Shehab
- Department of Chemistry, Faculty of Science, Cairo University, Gamma Street, Giza, Cairo 12613, Egypt
| | - Ahmed M Mansour
- Department of Chemistry, United Arab Emirates University, Al-Ain, United Arab Emirates.
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Combination of light and Ru(II) polypyridyl complexes: Recent advances in the development of new anticancer drugs. Coord Chem Rev 2022. [DOI: 10.1016/j.ccr.2022.214656] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Mansour AM, Khaled RM, Khaled E, Ahmed SK, Ismael OS, Zeinhom A, Magdy H, Ibrahim SS, Abdelfatah M. Ruthenium(II) carbon monoxide releasing molecules: Structural perspective, antimicrobial and anti-inflammatory properties. Biochem Pharmacol 2022; 199:114991. [DOI: 10.1016/j.bcp.2022.114991] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Revised: 03/05/2022] [Accepted: 03/07/2022] [Indexed: 01/12/2023]
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Ibrahim NM, Khaled RM, Ragheb MA, Radacki K, Farag AM, Mansour AM. Light-activated cytotoxicity of dicarbonyl Ru(II) complexes with a benzimidazole coligand towards breast cancer. Dalton Trans 2021; 50:15389-15399. [PMID: 34647551 DOI: 10.1039/d1dt02296b] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Reaction between [RuCl2(CO)2]n and 1H-benzimidazol-2-ylmethyl-(N-phenyl)amine ligands (LR) functionalized with various electron-donating and electron-withdrawing substituents on the phenyl ring (R = H, 4-CH3, 4-Cl, 4-COOCH3, and 3-COOCH3) afforded the dark-stable photoactivatable carbon monoxide prodrugs of the general formula [RuCl2(CO)2LR]. Release of the CO molecules from the Ru(II) compounds was examined by monitoring the electronic and IR spectra upon illumination at 365 nm. A noticeable decrease in the intensities of the two characteristic ν(CO) modes for Ru(CO)II2 species, and the growth of two new bands for the mono-carbonyl species and free CO, were the main features of the photolysis profiles. The cytotoxicity of the complexes towards breast cancer (MCF-7) cells was assessed with and without illumination at 365 nm. All the complexes except that with a 4-COOCH3 group (IC50 = 45.08 ± 3.5 μM) are nontoxic under dark conditions. Upon illumination, all the compounds acquired cytotoxicity in the following order: H > 4-COOCH3 > 4-CH3 > 4-Cl > 3-COOCH3. Investigation of the cytotoxicity of the CO-depleted fragments showed that the light-induced cytotoxicity can be attributed to the liberated CO and CO-depleted metal fragments, including the liberated benzimidazole ligands.
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Affiliation(s)
- Nourhan M Ibrahim
- Department of Chemistry, Faculty of Science, Cairo University, Gamma Street, Giza, Cairo 12613, Egypt.
| | - Rabaa M Khaled
- Department of Chemistry, Faculty of Science, Cairo University, Gamma Street, Giza, Cairo 12613, Egypt.
| | - Mohamed A Ragheb
- Department of Chemistry, Faculty of Science, Cairo University, Gamma Street, Giza, Cairo 12613, Egypt.
| | - Krzysztof Radacki
- Institut für Anorganische Chemie, Julius-Maximilians-Universität Würzburg, Am Hubland, D-97074 Würzburg, Germany
| | - Ahmad M Farag
- Department of Chemistry, Faculty of Science, Cairo University, Gamma Street, Giza, Cairo 12613, Egypt.
| | - Ahmed M Mansour
- Department of Chemistry, Faculty of Science, Cairo University, Gamma Street, Giza, Cairo 12613, Egypt.
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Weinstain R, Slanina T, Kand D, Klán P. Visible-to-NIR-Light Activated Release: From Small Molecules to Nanomaterials. Chem Rev 2020; 120:13135-13272. [PMID: 33125209 PMCID: PMC7833475 DOI: 10.1021/acs.chemrev.0c00663] [Citation(s) in RCA: 261] [Impact Index Per Article: 65.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2020] [Indexed: 02/08/2023]
Abstract
Photoactivatable (alternatively, photoremovable, photoreleasable, or photocleavable) protecting groups (PPGs), also known as caged or photocaged compounds, are used to enable non-invasive spatiotemporal photochemical control over the release of species of interest. Recent years have seen the development of PPGs activatable by biologically and chemically benign visible and near-infrared (NIR) light. These long-wavelength-absorbing moieties expand the applicability of this powerful method and its accessibility to non-specialist users. This review comprehensively covers organic and transition metal-containing photoactivatable compounds (complexes) that absorb in the visible- and NIR-range to release various leaving groups and gasotransmitters (carbon monoxide, nitric oxide, and hydrogen sulfide). The text also covers visible- and NIR-light-induced photosensitized release using molecular sensitizers, quantum dots, and upconversion and second-harmonic nanoparticles, as well as release via photodynamic (photooxygenation by singlet oxygen) and photothermal effects. Release from photoactivatable polymers, micelles, vesicles, and photoswitches, along with the related emerging field of photopharmacology, is discussed at the end of the review.
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Affiliation(s)
- Roy Weinstain
- School
of Plant Sciences and Food Security, Faculty of Life Sciences, Tel-Aviv University, Tel-Aviv 6997801, Israel
| | - Tomáš Slanina
- Institute
of Organic Chemistry and Biochemistry of the Czech Academy of Sciences, Flemingovo nám. 2, 166 10 Prague, Czech Republic
| | - Dnyaneshwar Kand
- School
of Plant Sciences and Food Security, Faculty of Life Sciences, Tel-Aviv University, Tel-Aviv 6997801, Israel
| | - Petr Klán
- Department
of Chemistry and RECETOX, Faculty of Science, Masaryk University, Kamenice 5, 625 00 Brno, Czech Republic
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Geri S, Krunclova T, Janouskova O, Panek J, Hruby M, Hernández‐Valdés D, Probst B, Alberto RA, Mamat C, Kubeil M, Stephan H. Light-Activated Carbon Monoxide Prodrugs Based on Bipyridyl Dicarbonyl Ruthenium(II) Complexes. Chemistry 2020; 26:10992-11006. [PMID: 32700815 PMCID: PMC7496190 DOI: 10.1002/chem.202002139] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Indexed: 12/13/2022]
Abstract
Two photoactivatable dicarbonyl ruthenium(II) complexes based on an amide-functionalised bipyridine scaffold (4-position) equipped with an alkyne functionality or a green-fluorescent BODIPY (boron-dipyrromethene) dye have been prepared and used to investigate their light-induced decarbonylation. UV/Vis, FTIR and 13 C NMR spectroscopies as well as gas chromatography and multivariate curve resolution alternating least-squares analysis (MCR-ALS) were used to elucidate the mechanism of the decarbonylation process. Release of the first CO molecule occurs very quickly, while release of the second CO molecule proceeds more slowly. In vitro studies using two cell lines A431 (human squamous carcinoma) and HEK293 (human embryonic kidney cells) have been carried out in order to characterise the anti-proliferative and anti-apoptotic activities. The BODIPY-labelled compound allows for monitoring the cellular uptake, showing fast internalisation kinetics and accumulation at the endoplasmic reticulum and mitochondria.
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Affiliation(s)
- Stepan Geri
- Institute of Radiopharmaceutical Cancer ResearchHelmholtz-Zentrum Dresden-RossendorfBautzner Landstrasse 40001328DresdenGermany
| | - Tereza Krunclova
- Department of Biological ModelsInstitute of Macromolecular ChemistryHeyrovsky Square 216206PragueCzech Republic
| | - Olga Janouskova
- Department of Biological ModelsInstitute of Macromolecular ChemistryHeyrovsky Square 216206PragueCzech Republic
| | - Jiri Panek
- Supramolecular Polymer SystemsInstitute of Macromolecular ChemistryHeyrovsky Square 216206PragueCzech Republic
| | - Martin Hruby
- Supramolecular Polymer SystemsInstitute of Macromolecular ChemistryHeyrovsky Square 216206PragueCzech Republic
| | | | - Benjamin Probst
- Department of ChemistryUniversity of ZurichWinterthurerstr. 1908057ZurichSwitzerland
| | - Roger A. Alberto
- Department of ChemistryUniversity of ZurichWinterthurerstr. 1908057ZurichSwitzerland
| | - Constantin Mamat
- Institute of Radiopharmaceutical Cancer ResearchHelmholtz-Zentrum Dresden-RossendorfBautzner Landstrasse 40001328DresdenGermany
| | - Manja Kubeil
- Institute of Radiopharmaceutical Cancer ResearchHelmholtz-Zentrum Dresden-RossendorfBautzner Landstrasse 40001328DresdenGermany
| | - Holger Stephan
- Institute of Radiopharmaceutical Cancer ResearchHelmholtz-Zentrum Dresden-RossendorfBautzner Landstrasse 40001328DresdenGermany
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Kubeil M, Joshi T, Wood BR, Stephan H. Synthesis, Structural Characterization and Photodecarbonylation Study of a Dicarbonyl Ruthenium(II)-Bisquinoline Complex. ChemistryOpen 2019; 8:637-642. [PMID: 31139553 PMCID: PMC6530819 DOI: 10.1002/open.201900111] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2019] [Revised: 05/03/2019] [Indexed: 02/01/2023] Open
Abstract
A photoactivatable ruthenium(II) carbonyl complex mer,cis-[Ru(II)Cl(BisQ)(CO)2]PF6 2 was prepared using a tridentate bisquinoline ligand (BisQ=(2,6-diquinolin-2-yl)pyridin). Compound 2 was thoroughly characterized by standard analytical methods and single crystal X-ray diffraction. The crystal structure of the complex cation reveals a distorted octahedral geometry. The decarbonylation upon exposure to 350 and 420 nm light was monitored by UV/VIS absorbance and Fourier transform infrared spectroscopies in acetonitrile and 1 % (v/v) DMSO in water, respectively. The kinetic of the photodecarbonylation has been elucidated by multivariate curve resolution alternating least-squares analysis. The stepwise decarbonylation follows a serial mechanism. The first decarbonylation occurs very quickly whereas the second decarbonylation step proceeds more slowly. Moreover, the second rate constant is lower in 1 % (v/v) DMSO in water than in acetonitrile. In comparison to 350 nm irradiation, exposure to 420 nm light in acetonitrile results in a lower second rate constant.
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Affiliation(s)
- Manja Kubeil
- Institute of Radiopharmaceutical Cancer Research Helmholtz – Zentrum Dresden – RossendorfBautzner Landstrasse 40001328DresdenGermany
| | - Tanmaya Joshi
- Institute of Radiopharmaceutical Cancer Research Helmholtz – Zentrum Dresden – RossendorfBautzner Landstrasse 40001328DresdenGermany
| | - Bayden R. Wood
- School of Chemistry and Centre for BiospectroscopyMonash UniversityClayton, Victoria3800Australia
| | - Holger Stephan
- Institute of Radiopharmaceutical Cancer Research Helmholtz – Zentrum Dresden – RossendorfBautzner Landstrasse 40001328DresdenGermany
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