1
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Mansour AM, Khaled RM, Ferraro G, Shehab OR, Merlino A. Metal-based carbon monoxide releasing molecules with promising cytotoxic properties. Dalton Trans 2024; 53:9612-9656. [PMID: 38808485 DOI: 10.1039/d4dt00087k] [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: 05/30/2024]
Abstract
Carbon monoxide, the "silent killer" gas, is increasingly recognised as an important signalling molecule in human physiology, which has beneficial biological properties. A particular way of achieving controlled CO administration is based on the use of biocompatible molecules that only release CO when triggered by internal or external factors. These approaches include the development of pharmacologically effective prodrugs known as CO releasing molecules (CORMs), which can supply biological systems with CO in well-regulated doses. An overview of transition metal-based CORMs with cytotoxic properties is here reported. The mechanisms at the basis of the biological activities of these molecules and their potential therapeutical applications with respect to their stability and CO releasing properties have been discussed. The activation of metal-based CORMs is determined by the type of metal and by the nature and features of the auxiliary ligands, which affect the metal core electronic density and therefore the prodrug resistance towards oxidation and CO release ability. A major role in regulating the cytotoxic properties of these CORMs is played by CO and/or CO-depleted species. However, several mysteries concerning the cytotoxicity of CORMs remain as intriguing questions for scientists.
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Affiliation(s)
- Ahmed M Mansour
- Department of Chemistry, United Arab Emirates University, Al-Ain, United Arab Emirates.
| | - Rabaa M Khaled
- Department of Chemistry, Faculty of Science, Cairo University, Gamma Street, 12613, Egypt.
| | - Giarita Ferraro
- Department of Chemical Sciences, University of Naples Federico II, Napoli, Italy.
| | - Ola R Shehab
- Department of Chemistry, Faculty of Science, Cairo University, Gamma Street, 12613, Egypt.
| | - Antonello Merlino
- Department of Chemical Sciences, University of Naples Federico II, Napoli, Italy.
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2
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Sinha N, Wellauer J, Maisuradze T, Prescimone A, Kupfer S, Wenger OS. Reversible Photoinduced Ligand Substitution in a Luminescent Chromium(0) Complex. J Am Chem Soc 2024; 146:10418-10431. [PMID: 38588581 PMCID: PMC11027151 DOI: 10.1021/jacs.3c13925] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2023] [Revised: 03/13/2024] [Accepted: 03/19/2024] [Indexed: 04/10/2024]
Abstract
Light-triggered dissociation of ligands forms the basis for many compounds of interest for photoactivated chemotherapy (PACT), in which medicinally active substances are released or "uncaged" from metal complexes upon illumination. Photoinduced ligand dissociation is usually irreversible, and many recent studies performed in the context of PACT focused on ruthenium(II) polypyridines and related heavy metal complexes. Herein, we report a first-row transition metal complex, in which photoinduced dissociation and spontaneous recoordination of a ligand unit occurs. Two scorpionate-type tridentate chelates provide an overall six-coordinate arylisocyanide environment for chromium(0). Photoexcitation causes decoordination of one of these six ligating units and coordination of a solvent molecule, at least in tetrahydrofuran and 1,4-dioxane solvents, but far less in toluene, and below detection limit in cyclohexane. Transient UV-vis absorption spectroscopy and quantum chemical simulations point to photoinduced ligand dissociation directly from an excited metal-to-ligand charge-transfer state. Owing to the tridentate chelate design and the substitution lability of the first-row transition metal, recoordination of the photodissociated arylisocyanide ligand unit can occur spontaneously on a millisecond time scale. This work provides insight into possible self-healing mechanisms counteracting unwanted photodegradation processes and seems furthermore relevant in the contexts of photoswitching and (photo)chemical information storage.
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Affiliation(s)
- Narayan Sinha
- Department
of Chemistry, University of Basel, St. Johanns-Ring 19, 4056 Basel, Switzerland
- School
of Chemical Sciences, Indian Institute of
Technology Mandi, Mandi 175075, Himachal Pradesh, India
| | - Joël Wellauer
- Department
of Chemistry, University of Basel, St. Johanns-Ring 19, 4056 Basel, Switzerland
| | - Tamar Maisuradze
- Institute
of Physical Chemistry, Friedrich Schiller University Jena, Helmholtzweg 4, 07743 Jena, Germany
| | - Alessandro Prescimone
- Department
of Chemistry, University of Basel, BPR 1096, Mattenstrasse 24a, 4058 Basel, Switzerland
| | - Stephan Kupfer
- Institute
of Physical Chemistry, Friedrich Schiller University Jena, Helmholtzweg 4, 07743 Jena, Germany
| | - Oliver S. Wenger
- Department
of Chemistry, University of Basel, St. Johanns-Ring 19, 4056 Basel, Switzerland
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3
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Seth R, Singh A. Rational design of co-ordination compounds in combination of bipyridine type of ligands and group 7 metal (M = Mn, Re) for photoCORM: a DFT study. J Mol Model 2023; 29:306. [PMID: 37676553 DOI: 10.1007/s00894-023-05712-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Accepted: 08/29/2023] [Indexed: 09/08/2023]
Abstract
CONTEXT A large number of manganese and rhenium tricarbonyl complexes are known in literature along with various applications in different fields. CO-releasing molecules (CORMs) got recent research attention because CO can act as a prodrug for different diseases. CORMs offer the promising prospect of a safe and controllable amount of CO release. In this research work, we have explored the electronic properties of compounds such as bipyridine-related [Mn(CO)3] and [Re(CO)3] and we have compared the electronic properties of both manganese and rhenium tricarbonyl complexes in the light of carbon monoxide releasing tendency. The chosen Mn and Re metals have enough possibility to vary or play with ligands and design a new and novel CORM molecule. In this context, we have taken a range of 4,4'-disubstituted 2,2' bipyridyl ligands (Rbpy, where R = NH2, tBu, OCH3, H, CF3, CN, NO2) to investigate CO's liberation ability to identify and study such molecules. The calculated absorbance of designed complexes (1-14) shows visible/near-IR region (350-850 nm). The HOMO-LUMO energy gap of 7 (ΔE=2.40 eV) complex and for complex 14 (ΔE=2.28 eV) which is lesser in all complexes but the MLCT percentage is greater in Mn tricarbonyl complexes in comparison to Re tricarbonyl complexes. The calculated results of the FMO approach revealed that complex 7 and 14 have the lowest energy gap which is also in good agreement with DOSs and TDM results. The theoretically calculated results revealed that the both Mn and Re tricarbonyl complexes have a tendency for labialization of CO, but Mn tricarbonyl complexes are more prone to CO release because they have higher MLCT percentage. METHODS In this research work, we have performed density functional theory (DFT) calculations to explore the physical properties of compounds such as bipyridine-related [Mn(CO)3] and [Re(CO)3] and we have compared the physical properties of both manganese and rhenium tricarbonyl complexes in the light of carbon monoxide releasing tendency. DFT-based calculations were performed by using B3LYP/LANL2DZ basis set followed by acetonitrile solvent using the conductor-like polarizable continuum model (CPCM) for different calculations. Various geometrical calculations were performed using the Gaussian16 suite of programs and the output results obtained from Gaussian16 were visualized using GaussView 5.0.16. The same level of theory was used for various calculations, including frontier molecular orbital (FMO) analysis, metal to ligand charge transfer (MLCT), density of state (DOS) calculations, and transition density of matrix (TDM) calculations. For specific calculations, GaussSum 2.2 software package was used to calculate the density of states, and the Multiwfn 3.8 program was used to analyze the transition density matrix, which is presented using heat maps for both electrons and holes.
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Affiliation(s)
- Ritu Seth
- Department of Chemistry, Prof. Rajendra Singh (Rajju Bhaiya) Institute of Physical Sciences for Study and Research, V. B. S. Purvanchal University Jaunpur, UP, Jaunpur, 222003, India
| | - Ajeet Singh
- Department of Chemistry, Prof. Rajendra Singh (Rajju Bhaiya) Institute of Physical Sciences for Study and Research, V. B. S. Purvanchal University Jaunpur, UP, Jaunpur, 222003, India.
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4
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Paqui MSS, Glitz VA, Durigon DC, Amorim AL, Caramori GF, Parreira RLT, Bortoluzzi AJ, Xavier FR, Peralta RA. Spectroscopical and Molecular Studies of Four Manganese(I) PhotoCORMs with Bioinspired Ligands Containing Non-Coordinated Phenol Groups. Molecules 2023; 28:molecules28083439. [PMID: 37110673 PMCID: PMC10144837 DOI: 10.3390/molecules28083439] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Revised: 04/05/2023] [Accepted: 04/06/2023] [Indexed: 04/29/2023] Open
Abstract
Carbonyl compounds are widely explored in medicinal inorganic chemistry and have drawn attention due to their signaling functions in homeostasis. Carbon-monoxide-releasing molecules (CORMs) were developed with the purpose of keeping the CO inactive until its release in the intracellular environment, considering its biological relevance. However, for therapeutic applications, the mechanisms of photorelease and which electronic and structural variations influence its rates must be fully understood. In this work, four ligands containing a pyridine, a secondary amine, and a phenolic group with different substituents were used to prepare new Mn(I) carbonyl compounds. Structural and physicochemical characterization of these complexes was carried out and confirmed the proposed structures. X-ray diffractometry structures obtained for the four organometallic compounds revealed that the substituents in the phenolic ring promote only negligible distortions in their geometry. Furthermore, UV-Vis and IR kinetics showed the direct dependence of the electron-withdrawing or donating ability of the substituent group, indicating an influence of the phenol ring on the CO release mechanism. These differences in properties were also supported by theoretical studies at the DFT, TD-DFT, and bonding situation analyses (EDA-NOCV). Two methods were used to determine the CO release constants (kCO,old and kCO,new), where Mn-HbpaBr (1) had the greatest kCO by both methods (Kco,old = 2.36 × 10-3 s-1 and kCO,new = 2.37 × 10-3 s-1). Carbon monoxide release was also evaluated using the myoglobin assay, indicating the release of 1.248 to 1.827 carbon monoxides upon light irradiation.
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Affiliation(s)
- Matheus S S Paqui
- Departamento de Química, Universidade Federal de Santa Catarina (UFSC), Florianópolis 88040-900, SC, Brazil
| | - Vinícius A Glitz
- Departamento de Química, Universidade Federal de Santa Catarina (UFSC), Florianópolis 88040-900, SC, Brazil
| | - Daniele C Durigon
- Departamento de Química, Universidade Federal de Santa Catarina (UFSC), Florianópolis 88040-900, SC, Brazil
| | - André L Amorim
- Departamento de Química, Universidade Federal de Santa Catarina (UFSC), Florianópolis 88040-900, SC, Brazil
| | - Giovanni F Caramori
- Departamento de Química, Universidade Federal de Santa Catarina (UFSC), Florianópolis 88040-900, SC, Brazil
| | - Renato L T Parreira
- Núcleo de Pesquisas em Ciências Exatas e Tecnológicas, Universidade de Franca, Franca 14404-600, SP, Brazil
| | - Adailton J Bortoluzzi
- Departamento de Química, Universidade Federal de Santa Catarina (UFSC), Florianópolis 88040-900, SC, Brazil
| | - Fernando R Xavier
- Departamento de Quimica CCT, Universidade do Estado de Santa Catarina (UDESC), Campus Joinville, Joinville 89219-710, SC, Brazil
| | - Rosely A Peralta
- Departamento de Química, Universidade Federal de Santa Catarina (UFSC), Florianópolis 88040-900, SC, Brazil
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5
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Shah S, Naithani N, Sahoo SC, Neelakandan PP, Tyagi N. Multifunctional BODIPY embedded non-woven fabric for CO release and singlet oxygen generation. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY. B, BIOLOGY 2023; 239:112631. [PMID: 36630766 DOI: 10.1016/j.jphotobiol.2022.112631] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/04/2022] [Revised: 12/12/2022] [Accepted: 12/17/2022] [Indexed: 12/24/2022]
Abstract
Materials that can simultaneously release CO and generate singlet oxygen upon visible light irradiation under ambient conditions are highly desirable for therapeutic applications. Furthermore, materials that can sequester the undesirable side products into the matrix without affecting the release of CO and singlet oxygen generation would allow them to be used for practical applications. Focussing on these aspects, we prepared two dipicolylamine appended BODIPY‑manganese(I) tricarbonyl complexes wherein the metal core was systematically tethered at 5- and 8- positions of the BODIPY core. The complexes were embedded into a polymer matrix via electrospinning and the resulting non-woven fabrics showed CO release as well as singlet oxygen generation upon irradiation. While the hybrid materials were non-toxic in dark, they were strongly photocytotoxic to c6 cancer cells when exposed to light. Rapid CO release alongside significant singlet oxygen generation, indefinite dark stability, good biocompatibility and negligible dark toxicity makes these fabrics a potent candidate for phototherapeutic applications.
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Affiliation(s)
- Sanchita Shah
- Institute of Nano Science and Technology, Knowledge City, Sector 81, Mohali 140306, Punjab, India
| | - Neeraj Naithani
- Semi-Conductor Laboratory, Department of Space, Sector 72, Mohali 160071, Punjab, India
| | - Subash Chandra Sahoo
- Department of Chemistry, Panjab University, Sector 14, Chandigarh 160014, Punjab, India
| | - Prakash P Neelakandan
- Institute of Nano Science and Technology, Knowledge City, Sector 81, Mohali 140306, Punjab, India.
| | - Nidhi Tyagi
- Institute of Nano Science and Technology, Knowledge City, Sector 81, Mohali 140306, Punjab, India.
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6
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Habashy DA, Khaled RM, Ahmed AY, Radacki K, Ahmed SK, Tharwat EK, Magdy H, Zeinhom A, Mansour AM. Cytotoxicity of fac-Mn(CO) 3 complexes with a bidentate quinoline ligand towards triple negative breast cancer. Dalton Trans 2022; 51:14041-14048. [PMID: 36106589 DOI: 10.1039/d2dt01938h] [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
The cytotoxicity of two tricarbonyl Mn(I) complexes of the general formula fac-[MnBr(CO)3L] (L = quinoline-2-carboxaldehyde (A) and 8-amino quinoline (B)) towards triple negative breast cancer (MDA-MB-231) was reported. Complexes A and B released CO when exposed to 468 nm light. Compound B has a dose-dependent cytotoxicity, with half maximal inhibitory concentration values of 19.62 μM and 11.43 μM before and after illumination, respectively. Co-treatment of MDA-MB-231 with paclitaxel (30 nM) and complex B (10 μM) resulted in a 50% reduction in cell viability.
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Affiliation(s)
- Danira A Habashy
- Department of Pharmacology, Toxicology and Clinical Pharmacy, German University in Cairo, New Cairo, Egypt
| | - Rabaa M Khaled
- Department of Chemistry, Faculty of Science, Cairo University, Gamma Street, Giza, Cairo 12613, Egypt.
| | - Amr Y Ahmed
- Department of Pharmacology, Toxicology and Clinical Pharmacy, German University in Cairo, New Cairo, Egypt
| | - Krzysztof Radacki
- Institut für Anorganische Chemie, Julius-Maximilians-Universität Würzburg, Am Hubland, D-97074 Würzburg, Germany
| | - Salma K Ahmed
- Department of Biotechnology, Faculty of Science, Cairo University, Gamma Street, Giza, Cairo 12613, Egypt
| | - Engy K Tharwat
- Department of Biotechnology, Faculty of Science, Cairo University, Gamma Street, Giza, Cairo 12613, Egypt
| | - Hana Magdy
- Department of Biotechnology, Faculty of Science, Cairo University, Gamma Street, Giza, Cairo 12613, Egypt
| | - Alaa Zeinhom
- Department of Biotechnology, 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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7
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Wang M, Murata K, Koike Y, Jonusauskas G, Furet A, Bassani DM, Saito D, Kato M, Shimoda Y, Miyata K, Onda K, Ishii K. A Red‐Light‐Driven CO‐Releasing Complex: Photoreactivities and Excited‐State Dynamics of Highly Distorted Tricarbonyl Rhenium Phthalocyanines. Chemistry 2022; 28:e202200716. [DOI: 10.1002/chem.202200716] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2022] [Indexed: 11/11/2022]
Affiliation(s)
- Mengfei Wang
- Institute of Industrial Science The University of Tokyo 4-6-1 Komaba, Meguro-ku Tokyo 153-8505 Japan
| | - Kei Murata
- Institute of Industrial Science The University of Tokyo 4-6-1 Komaba, Meguro-ku Tokyo 153-8505 Japan
| | - Yosuke Koike
- Institute of Industrial Science The University of Tokyo 4-6-1 Komaba, Meguro-ku Tokyo 153-8505 Japan
| | | | - Amaury Furet
- Univ. Bordeaux, CNRS, Bordeaux INP, ISM, UMR 5255 F-33400 Talence France
| | - Dario M. Bassani
- Univ. Bordeaux, CNRS, Bordeaux INP, ISM, UMR 5255 F-33400 Talence France
| | - Daisuke Saito
- Department of Chemistry Faculty of Science Hokkaido University North-10 West-8, Kita-ku Sapporo Hokkaido 060-0810 Japan
- Department of Applied Chemistry for Environment School of Biological and Environmental Sciences Kwansei Gakuin University 2-1 Gakuen Sanda-shi Hyogo 669-1337 Japan
| | - Masako Kato
- Department of Chemistry Faculty of Science Hokkaido University North-10 West-8, Kita-ku Sapporo Hokkaido 060-0810 Japan
- Department of Applied Chemistry for Environment School of Biological and Environmental Sciences Kwansei Gakuin University 2-1 Gakuen Sanda-shi Hyogo 669-1337 Japan
| | - Yuushi Shimoda
- Department of Chemistry Faculty of Science Kyushu University 7-4-4 Motooka, Nishi-ku Fukuoka 819-0395 Japan
| | - Kiyoshi Miyata
- Department of Chemistry Faculty of Science Kyushu University 7-4-4 Motooka, Nishi-ku Fukuoka 819-0395 Japan
| | - Ken Onda
- Department of Chemistry Faculty of Science Kyushu University 7-4-4 Motooka, Nishi-ku Fukuoka 819-0395 Japan
| | - Kazuyuki Ishii
- Institute of Industrial Science The University of Tokyo 4-6-1 Komaba, Meguro-ku Tokyo 153-8505 Japan
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8
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Shipp J, Parker S, Spall S, Peralta-Arriaga SL, Robertson CC, Chekulaev D, Portius P, Turega S, Buckley A, Rothman R, Weinstein JA. Photocatalytic Reduction of CO 2 to CO in Aqueous Solution under Red-Light Irradiation by a Zn-Porphyrin-Sensitized Mn(I) Catalyst. Inorg Chem 2022; 61:13281-13292. [PMID: 35960651 PMCID: PMC9446891 DOI: 10.1021/acs.inorgchem.2c00091] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
![]()
This work demonstrates photocatalytic CO2 reduction
by a noble-metal-free photosensitizer-catalyst system in aqueous solution
under red-light irradiation. A water-soluble Mn(I) tricarbonyl diimine
complex, [MnBr(4,4′-{Et2O3PCH2}2-2,2′-bipyridyl)(CO)3] (1), has been fully characterized, including single-crystal X-ray crystallography,
and shown to reduce CO2 to CO following photosensitization
by tetra(N-methyl-4-pyridyl)porphyrin Zn(II) tetrachloride
[Zn(TMPyP)]Cl4 (2) under 625 nm irradiation.
This is the first example of 2 employed as a photosensitizer
for CO2 reduction. The incorporation of −P(O)(OEt)2 groups, decoupled from the core of the catalyst by a −CH2– spacer, afforded water solubility without compromising
the electronic properties of the catalyst. The photostability of the
active Mn(I) catalyst over prolonged periods of irradiation with red
light was confirmed by 1H and 13C{1H} NMR spectroscopy. This first report on Mn(I) species as a homogeneous
photocatalyst, working in water and under red light, illustrates further
future prospects of intrinsically photounstable Mn(I) complexes as
solar-driven catalysts in an aqueous environment. A Mn(I) bipyridyl tricarbonyl complex,
where the diimine
ligand is functionalized with water-solubilizing phosphonate ester
groups, has been prepared and is shown to catalytically convert CO2 to CO in aqueous solution following photosensitization from
a water-soluble Zn(II) porphyrin under red-light irradiation.
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Affiliation(s)
- James Shipp
- Department of Chemistry, University of Sheffield, Sheffield S3 7HF, U.K
| | - Simon Parker
- Department of Chemistry, University of Sheffield, Sheffield S3 7HF, U.K
| | - Steven Spall
- Department of Chemistry, University of Sheffield, Sheffield S3 7HF, U.K
| | | | - Craig C Robertson
- Department of Chemistry, University of Sheffield, Sheffield S3 7HF, U.K
| | - Dimitri Chekulaev
- Department of Chemistry, University of Sheffield, Sheffield S3 7HF, U.K
| | - Peter Portius
- Department of Chemistry, University of Sheffield, Sheffield S3 7HF, U.K
| | - Simon Turega
- Department of Chemistry, Sheffield Hallam University, Sheffield S1 1WB, U.K
| | - Alastair Buckley
- Department of Physics and Astronomy, University of Sheffield, Sheffield S3 7RH, U.K
| | - Rachael Rothman
- Department of Chemical and Biological Engineering, University of Sheffield, Sheffield S1 3JD, U.K
| | - Julia A Weinstein
- Department of Chemistry, University of Sheffield, Sheffield S3 7HF, U.K
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9
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Ossinger S, Prescimone A, Häussinger D, Wenger OS. Manganese(I) Complex with Monodentate Arylisocyanide Ligands Shows Photodissociation Instead of Luminescence. Inorg Chem 2022; 61:10533-10547. [PMID: 35768069 PMCID: PMC9377510 DOI: 10.1021/acs.inorgchem.2c01438] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Recently reported manganese(I) complexes with chelating arylisocyanide ligands exhibit luminescent metal-to-ligand charge-transfer (MLCT) excited states, similar to ruthenium(II) polypyridine complexes with the same d6 valence electron configuration used for many different applications in photophysics and photochemistry. However, chelating arylisocyanide ligands require substantial synthetic effort, and therefore it seemed attractive to explore the possibility of using more readily accessible monodentate arylisocyanides instead. Here, we synthesized the new Mn(I) complex [Mn(CNdippPhOMe2)6]PF6 with the known ligand CNdippPhOMe2 = 4-(3,5-dimethoxyphenyl)-2,6-diisopropylphenylisocyanide. This complex was investigated by NMR spectroscopy, single-crystal structure analysis, high-resolution electrospray ionization mass spectrometry (HR-ESI-MS) measurements, IR spectroscopy supported by density functional theory (DFT) calculations, cyclic voltammetry, and time-resolved as well as steady-state UV-vis absorption spectroscopy. The key finding is that the new Mn(I) complex is nonluminescent and instead undergoes arylisocyanide ligand loss during continuous visible laser irradiation into ligand-centered and charge-transfer absorption bands, presumably owed to the population of dissociative d-d excited states. Thus, it seems that chelating bi- or tridentate binding motifs are essential for obtaining emissive MLCT excited states in manganese(I) arylisocyanides. Our work contributes to understanding the basic properties of photoactive first-row transition metal complexes and could help advance the search for alternatives to precious metal-based luminophores, photocatalysts, and sensors.
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Affiliation(s)
- Sascha Ossinger
- Department
of Chemistry, University of Basel, St. Johanns-Ring 19, 4056 Basel, Switzerland
| | - Alessandro Prescimone
- Department
of Chemistry, University of Basel, Mattenstrasse 24a, 4058 Basel, Switzerland
| | - Daniel Häussinger
- Department
of Chemistry, University of Basel, St. Johanns-Ring 19, 4056 Basel, Switzerland
| | - Oliver S. Wenger
- Department
of Chemistry, University of Basel, St. Johanns-Ring 19, 4056 Basel, Switzerland
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10
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Yang Q, Váňa J, Klán P. The complex photochemistry of coumarin-3-carboxylic acid in acetonitrile and methanol. Photochem Photobiol Sci 2022; 21:1481-1495. [PMID: 35578152 DOI: 10.1007/s43630-022-00238-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Accepted: 04/23/2022] [Indexed: 11/26/2022]
Abstract
Irradiation of coumarin-3-carboxylic acid in acetonitrile and methanol solutions at 355 nm results in complex multistep photochemical transformations, strongly dependent on the solvent properties and oxygen content. A number of reaction intermediates, which themselves undergo further (photo)chemical reactions, were identified by steady-state and transient absorption spectroscopy, mass spectrometry, and NMR and product analyses. The triplet excited compound in acetonitrile undergoes decarboxylation to give a 3-coumarinyl radical that traps molecular oxygen to form 3-hydroxycoumarin as the major but chemically reactive intermediate. This compound is oxygenated by singlet oxygen, produced by coumarin-3-carboxylic acid sensitization, followed by a pyrone ring-opening reaction to give an oxalic acid derivative. The subsequent steps lead to the production of salicylaldehyde, carbon monoxide, and carbon dioxide as the final products. When 3-coumarinyl radical is not trapped by oxygen in degassed acetonitrile, it abstracts hydrogen from the solvent and undergoes triplet-sensitized [2 + 2] cycloaddition. The reaction of 3-coumarinyl radical with oxygen is largely suppressed in aerated methanol as a better H-atom donor, and coumarin is obtained as the primary product in good yields. Because coumarin derivatives are used in many photophysical and photochemical applications, this work provides detailed and sometimes surprising insights into their complex phototransformations.
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Affiliation(s)
- Qiuyun Yang
- Department of Chemistry, Faculty of Science, Masaryk University, Kamenice 5, Brno, Czech Republic
- RECETOX, Faculty of Science, Masaryk University, Kamenice 5, Brno, Czech Republic
| | - Jiří Váňa
- Institute of Organic Chemistry and Technology, Faculty of Chemical Technology, University of Pardubice, Studentská 573, Pardubice, Czech Republic
| | - Petr Klán
- Department of Chemistry, Faculty of Science, Masaryk University, Kamenice 5, Brno, Czech Republic.
- RECETOX, Faculty of Science, Masaryk University, Kamenice 5, Brno, Czech Republic.
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11
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Schindler K, Zobi F. Photochemistry of Rhenium(i) Diimine Tricarbonyl Complexes in Biological Applications. Chimia (Aarau) 2021; 75:837-844. [PMID: 34728010 DOI: 10.2533/chimia.2021.837] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
Luminescent rhenium complexes continue to be the focus of growing scientific interest for catalytic, diagnostic and therapeutic applications, with emphasis on the development of their photophysical and photochemical properties. In this short review, we explore such properties with a focus on the biological applications of the molecules. We discuss the importance of the ligand choice to the contribution and their involvement towards the most significant electronic transitions of the metal species and what strategies are used to exploit the potential of the molecules in medicinal applications. We begin by detailing the photophysics of the molecules; we then describe the three most common photoreactions of rhenium complexes as photosensitizers in H₂ production, photocatalysts in CO₂ reduction and photochemical ligand substitution. In the last part, we describe their applications as luminescent cellular probes and how photochemical ligand substitution is utilized in the development of photoactive carbon monoxide-releasing molecules as anticancer and antimicrobial agents.
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Affiliation(s)
- Kevin Schindler
- Department of Chemistry, University of Fribourg, Chemin du Musée 10, CH-1700 Fribourg, Switzerland
| | - Fabio Zobi
- Department of Chemistry, University of Fribourg, Chemin du Musée 10, CH-1700 Fribourg, Switzerland;,
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12
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Hernández Mejías ÁD, Poirot A, Rmili M, Leygue N, Wolff M, Saffon-Merceron N, Benoist E, Fery-Forgues S. Efficient photorelease of carbon monoxide from a luminescent tricarbonyl rhenium(I) complex incorporating pyridyl-1,2,4-triazole and phosphine ligands. Dalton Trans 2021; 50:1313-1323. [PMID: 33404562 PMCID: PMC8177739 DOI: 10.1039/d0dt03577g] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Precise control over the production of carbon monoxide (CO) is essential to exploit the therapeutic potential of this molecule. The development of photoactive CO-releasing molecules (PhotoCORMs) is therefore a promising route for future clinical applications. Herein, a tricarbonyl-rhenium(i) complex (1-TPP), which incorporates a phosphine moiety as ancilliary ligand for boosting the photochemical reactivity, and a pyridyltriazole bidentate ligand with appended 2-phenylbenzoxazole moiety for the purpose of photoluminescence, was synthesized and characterized from a chemical and crystallographic point of view. Upon irradiation in the near-UV range, complex 1-TPP underwent fast photoreaction, which was monitored through changes of the UV-vis absorption and phosphorescence spectra. The photoproducts (i.e. the dicarbonyl solvento complex 2 and one CO molecule) were identified using FTIR, 1H NMR and HRMS. The results were interpreted on the basis of DFT/TD-DFT calculations. The effective photochemical release of CO associated with clear optical variations (the emitted light passed from green to orange-red) could make 1-TPP the prototype of new photochemically-active agents, potentially useful for integration in photoCORM materials.
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Affiliation(s)
- Ángel D Hernández Mejías
- SPCMIB, CNRS UMR 5068, Université de Toulouse III Paul Sabatier, 118 route de Narbonne, 31062 Toulouse cedex 9, France. and Department of Chemistry, University of Puerto Rico, Río Piedras Campus, PO Box 23346, San Juan, PR 00931-3346, USA
| | - Alexandre Poirot
- SPCMIB, CNRS UMR 5068, Université de Toulouse III Paul Sabatier, 118 route de Narbonne, 31062 Toulouse cedex 9, France.
| | - Meriem Rmili
- SPCMIB, CNRS UMR 5068, Université de Toulouse III Paul Sabatier, 118 route de Narbonne, 31062 Toulouse cedex 9, France. and Institut National des Sciences Appliquées et de Technologie, Centre Urbain Nord BP, 676-1080 Tunis Cedex, Tunisia
| | - Nadine Leygue
- SPCMIB, CNRS UMR 5068, Université de Toulouse III Paul Sabatier, 118 route de Narbonne, 31062 Toulouse cedex 9, France.
| | - Mariusz Wolff
- Universität Wien, Institut für Chemische Katalyse, Währinger Straße 38, 1090 Wien, Austria and University of Silesia, Institute of Chemistry, 9th Szkolna St., 40-006 Katowice, Poland
| | - Nathalie Saffon-Merceron
- Service commun RX, Institut de Chimie de Toulouse, ICT- FR2599, Université de Toulouse III Paul Sabatier, 118 route de Narbonne, 31062 Toulouse cedex 9, France
| | - Eric Benoist
- SPCMIB, CNRS UMR 5068, Université de Toulouse III Paul Sabatier, 118 route de Narbonne, 31062 Toulouse cedex 9, France.
| | - Suzanne Fery-Forgues
- SPCMIB, CNRS UMR 5068, Université de Toulouse III Paul Sabatier, 118 route de Narbonne, 31062 Toulouse cedex 9, France.
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13
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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: 271] [Impact Index Per Article: 67.8] [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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14
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Lazarus LS, Benninghoff AD, Berreau LM. Development of Triggerable, Trackable, and Targetable Carbon Monoxide Releasing Molecules. Acc Chem Res 2020; 53:2273-2285. [PMID: 32929957 PMCID: PMC7654722 DOI: 10.1021/acs.accounts.0c00402] [Citation(s) in RCA: 52] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Carbon monoxide (CO) is a gaseous signaling molecule produced in humans via the breakdown of heme in an O2-dependent reaction catalyzed by heme oxygenase enzymes. A long-lived species relative to other signaling molecules (e.g., NO, H2S), CO exerts its physiological effects via binding to low-valent transition metal centers in proteins and enzymes. Studies involving the administration of low doses of CO have shown its potential as a therapeutic agent to produce vasodilation, anti-inflammatory, antiapoptotic, and anticancer effects. In pursuit of developing tools to define better the role and therapeutic potential of CO, carbon monoxide releasing molecules (CORMs) were developed. To date, the vast majority of reported CORMs have been metal carbonyl complexes, with the most well-known being Ru2Cl4(CO)6 (CORM-2), Ru(CO)3Cl(glycinate) (CORM-3), and Mn(CO)4(S2CNMe(CH2CO2H)) (CORM-401). These complexes have been used to probe the effects of CO in hundreds of cell- and animal-based experiments. However, through recent investigations, it has become evident that these reagents exhibit complicated reactivity in biological environments. The interpretation of the effects produced by some of these complexes is obscured by protein binding, such that their formulation is not clear, and by CO leakage and potential redox activity. An additional weakness with regard to CORM-2 and CORM-3 is that these compounds cannot be tracked via fluorescence. Therefore, it is unclear where or when CO release occurs, which confounds the interpretation of experiments using these molecules. To address these weaknesses, our research team has pioneered the development of metal-free CORMs based on structurally tunable extended flavonol or quinolone scaffolds. In addition to being highly controlled, with CO release only occurring upon triggering with visible light (photoCORMs), these CO donors are trackable via fluorescence prior to CO release in cellular environments and can be targeted to specific cellular locations.In the Account, we highlight the development and application of a series of structurally related flavonol photoCORMs that (1) sense characteristics of cellular environments prior to CO release; (2) enable evaluation of the influence of cytosolic versus mitochondrial-localized CO release on cellular bioenergetics; (3) probe the cytotoxicity and anti-inflammatory effects of intracellular versus extracellular CO delivery; and (4) demonstrate that albumin delivery of a photoCORM enables potent anticancer and anti-inflammatory effects. A key advantage of using triggered CO release compounds in these investigations is the ability to examine the effects of the molecular delivery vehicle in the absence and presence of localized CO release, thus providing insight into the independent contributions of CO. Overall, flavonol-based CO delivery molecules offer opportunities for triggerable, trackable, and targetable CO delivery that are unprecedented in terms of previously reported CORMs and, thus, offer significant potential for applications in biological systems.
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Affiliation(s)
- Livia S Lazarus
- Department of Chemistry & Biochemistry, Utah State University, 0300 Old Main Hill, Logan, Utah 84322-0300, United States
| | - Abby D Benninghoff
- Department of Animal, Dairy and Veterinary Sciences, Utah State University, 4815 Old Main Hill, Logan, Utah 84322-4815, United States
| | - Lisa M Berreau
- Department of Chemistry & Biochemistry, Utah State University, 0300 Old Main Hill, Logan, Utah 84322-0300, United States
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15
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Weiss VC, Farias G, Amorim AL, Xavier FR, Camargo TP, Bregalda MB, Haukka M, Nordlander E, de Souza B, Peralta RA. Luminescent PhotoCORMs: Enabling/Disabling CO Delivery upon Blue Light Irradiation. Inorg Chem 2020; 59:13078-13090. [PMID: 32902965 DOI: 10.1021/acs.inorgchem.0c00638] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
The new luminescent carbonyl compounds [Mn(Oxa-H)(CO)3Br] (1) and [Mn(Oxa-NMe2)(CO)3Br] (2) were synthesized and fully characterized. Complexes 1 and 2 showed CO release under blue light (λ453). Spectroscopic techniques and TD-DFT and SOC-TD-DFT calculations indicated that 1 and 2 release the Oxa-H and Oxa-NMe2 coligands in addition to the carbonyl ligands, increasing the luminescence during photoinduction.
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Affiliation(s)
- Vitor C Weiss
- Departamento de Química, LABINC, Universidade Federal de Santa Catarina (UFSC), Florianópolis, Santa Catarina 88040-900, Brazil.,Instituto Federal de Educação, Ciência e Tecnologia de Santa Catarina - IFSC, Campus Florianópolis, Santa Catarina 88020-300, Brazil
| | - Giliandro Farias
- Departamento de Química, LABINC, Universidade Federal de Santa Catarina (UFSC), Florianópolis, Santa Catarina 88040-900, Brazil
| | - André L Amorim
- Departamento de Química, LABINC, Universidade Federal de Santa Catarina (UFSC), Florianópolis, Santa Catarina 88040-900, Brazil
| | - Fernando R Xavier
- Universidade do Estado de Santa Catarina (UDESC), Campus Joinville, 89219-710 Joinville, SC, Brazil
| | - Tiago P Camargo
- Departamento Acadêmico de Química e Biologia, Universidade Tecnológica Federal do Paraná (UTFPR), Campus Curitiba, Curitiba 81290-000, Brazil
| | - Mayana B Bregalda
- Departamento Acadêmico de Química e Biologia, Universidade Tecnológica Federal do Paraná (UTFPR), Campus Curitiba, Curitiba 81290-000, Brazil
| | - Matti Haukka
- Department of Chemistry, University of Jyväskylä, P.O. Box 35, FI-400 14 Jyväskylä, Finland
| | - Ebbe Nordlander
- Chemical Physics, Department of Chemistry, Lund University, P.O. Box 124, SE- 22100 Lund, Sweden
| | - Bernardo de Souza
- Departamento de Química, LABINC, Universidade Federal de Santa Catarina (UFSC), Florianópolis, Santa Catarina 88040-900, Brazil
| | - Rosely A Peralta
- Departamento de Química, LABINC, Universidade Federal de Santa Catarina (UFSC), Florianópolis, Santa Catarina 88040-900, Brazil
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16
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Water-soluble UV/visible light activated Mn-CO-releasing molecules: Synthesis, structure, CO releasing and biological activities evaluation. INORG CHEM COMMUN 2020. [DOI: 10.1016/j.inoche.2020.108093] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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17
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Cercola R, Fischer KC, Sherman SL, Garand E, Wong NGK, Hammerback LA, Lynam JM, Fairlamb IJS, Dessent CEH. Direct Measurement of the Visible to UV Photodissociation Processes for the PhotoCORM TryptoCORM. Chemistry 2020; 26:10297-10306. [PMID: 32275091 PMCID: PMC7496620 DOI: 10.1002/chem.202001077] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2020] [Revised: 04/08/2020] [Indexed: 11/22/2022]
Abstract
PhotoCORMs are light-triggered compounds that release CO for medical applications. Here, we apply laser spectroscopy in the gas phase to TryptoCORM, a known photoCORM that has been shown to destroy Escherichia coli upon visible-light activation. Our experiments allow us to map TryptoCORM's photochemistry across a wide wavelength range by using novel laser-interfaced mass spectrometry (LIMS). LIMS provides the intrinsic absorption spectrum of the photoCORM along with the production spectra of all of its ionic photoproducts for the first time. Importantly, the photoproduct spectra directly reveal the optimum wavelengths for maximizing CO ejection, and the extent to which CO ejection is compromised at redder wavelengths. A series of comparative studies were performed on TryptoCORM-CH3 CN which exists in dynamic equilibrium with TryptoCORM in solution. Our measurements allow us to conclude that the presence of the labile CH3 CN facilitates CO release over a wider wavelength range. This work demonstrates the potential of LIMS as a new methodology for assessing active agent release (e.g. CO, NO, H2 S) from light-activated prodrugs.
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Affiliation(s)
- Rosaria Cercola
- Department of ChemistryUniversity of YorkHeslingtonYorkYO10 5DDUK
| | | | - Summer L. Sherman
- Department of ChemistryUniversity of Wisconsin-MadisonMadisonWI53706USA
| | - Etienne Garand
- Department of ChemistryUniversity of Wisconsin-MadisonMadisonWI53706USA
| | | | | | - Jason M. Lynam
- Department of ChemistryUniversity of YorkHeslingtonYorkYO10 5DDUK
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18
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Basu U, Roy M, Chakravarty AR. Recent advances in the chemistry of iron-based chemotherapeutic agents. Coord Chem Rev 2020. [DOI: 10.1016/j.ccr.2020.213339] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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19
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Rossier J, Delasoie J, Haeni L, Hauser D, Rothen-Rutishauser B, Zobi F. Cytotoxicity of Mn-based photoCORMs of ethynyl-α-diimine ligands against different cancer cell lines: The key role of CO-depleted metal fragments. J Inorg Biochem 2020; 209:111122. [PMID: 32497818 DOI: 10.1016/j.jinorgbio.2020.111122] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2020] [Revised: 05/22/2020] [Accepted: 05/22/2020] [Indexed: 12/19/2022]
Abstract
A series of tricarbonyl manganese complexes bearing 4-ethynyl-2,2'-bipyridine and 5-ethynyl-1,10-phenanthroline α-diimine ligands were synthetized, characterized and conjugated to vitamin B12, previously used as a vector for drug delivery, to take advantage of its water solubility and specificity toward cancer cells. The compounds act as photoactivatable carbon monoxide-releasing molecules rapidly liberating on average ca. 2.3 equivalents of CO upon photo-irradiation. Complexes and conjugates were tested for their anticancer effects, both in the dark and following photo-activation, against breast cancer MCF-7, lung carcinoma A549 and colon adenocarcinoma HT29 cell lines as well as immortalized human bronchial epithelial cells 16HBE14o- as the non-carcinogenic control. Our results indicate that the light-induced cytotoxicity these molecules can be attributed to both their released CO and to their CO-depleted metal fragments including liberated ligands.
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Affiliation(s)
- Jeremie Rossier
- Department of Chemistry, University of Fribourg, Chemin du Musée 9, 1700 Fribourg, Switzerland
| | - Joachim Delasoie
- Department of Chemistry, University of Fribourg, Chemin du Musée 9, 1700 Fribourg, Switzerland
| | - Laetitia Haeni
- Adolphe Merkle Institute, Chemin des Verdiers 4, 1700 Fribourg, Switzerland
| | - Daniel Hauser
- Adolphe Merkle Institute, Chemin des Verdiers 4, 1700 Fribourg, Switzerland
| | | | - Fabio Zobi
- Department of Chemistry, University of Fribourg, Chemin du Musée 9, 1700 Fribourg, Switzerland.
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20
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Pinto MN, Mascharak PK. Light-assisted and remote delivery of carbon monoxide to malignant cells and tissues: Photochemotherapy in the spotlight. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY C-PHOTOCHEMISTRY REVIEWS 2020. [DOI: 10.1016/j.jphotochemrev.2020.100341] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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21
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Henke WC, Otolski CJ, Moore WNG, Elles CG, Blakemore JD. Ultrafast Spectroscopy of [Mn(CO) 3] Complexes: Tuning the Kinetics of Light-Driven CO Release and Solvent Binding. Inorg Chem 2020; 59:2178-2187. [PMID: 31990533 DOI: 10.1021/acs.inorgchem.9b02758] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Manganese tricarbonyl complexes are promising catalysts for CO2 reduction, but complexes in this family are often photosensitive and decompose rapidly upon exposure to visible light. In this report, synthetic and photochemical studies probe the initial steps of light-driven speciation for Mn(CO)3(Rbpy)Br complexes bearing a range of 4,4'-disubstituted 2,2'-bipyridyl ligands (Rbpy, where R = tBu, H, CF3, NO2). Transient absorption spectroscopy measurements for Mn(CO)3(Rbpy)Br coordination compounds with R = tBu, H, and CF3 in acetonitrile reveal ultrafast loss of a CO ligand on the femtosecond time scale, followed by solvent coordination on the picosecond time scale. The Mn(CO)3(NO2bpy)Br complex is unique among the four compounds in having a longer-lived excited state that does not undergo CO release or subsequent solvent coordination. The kinetics of photolysis and solvent coordination for light-sensitive complexes depend on the electronic properties of the disubstituted bipyridyl ligand. The results indicate that both metal-to-ligand charge-transfer (MLCT) and dissociative ligand-field (d-d) excited states play a role in the ultrafast photochemistry. Taken together, the findings suggest that more robust catalysts could be prepared with appropriately designed complexes that avoid crossing between the excited states that drive photochemical CO loss.
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Affiliation(s)
- Wade C Henke
- Department of Chemistry , University of Kansas , 1567 Irving Hill Road , Lawrence , Kansas 66045-7582 , United States
| | - Christopher J Otolski
- Department of Chemistry , University of Kansas , 1567 Irving Hill Road , Lawrence , Kansas 66045-7582 , United States
| | - William N G Moore
- Department of Chemistry , University of Kansas , 1567 Irving Hill Road , Lawrence , Kansas 66045-7582 , United States
| | - Christopher G Elles
- Department of Chemistry , University of Kansas , 1567 Irving Hill Road , Lawrence , Kansas 66045-7582 , United States
| | - James D Blakemore
- Department of Chemistry , University of Kansas , 1567 Irving Hill Road , Lawrence , Kansas 66045-7582 , United States
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22
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Stout MJ, Stefan A, Skelton BW, Sobolev AN, Massi M, Hochkoeppler A, Stagni S, Simpson PV. Synthesis and Photochemical Properties of Manganese(I) Tricarbonyl Diimine Complexes Bound to Tetrazolato Ligands. Eur J Inorg Chem 2020. [DOI: 10.1002/ejic.201900987] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
- Matthew J. Stout
- Curtin Institute for Functional Molecules and Interfaces School of Molecular and Life Sciences Curtin University Kent Street, Bentley 6102 Perth Australia
| | - Alessandra Stefan
- CSGI, Department of Chemistry School of Molecular and Life Sciences University of Florence 50019 Sesto Fiorentino (FI) Italy
- Department of Pharmacy and Biotechnology School of Molecular and Life Sciences University of Bologna Viale Risorgimento 4 40136 Bologna Italy
| | - Brian W. Skelton
- School of Molecular Sciences and CMCA School of Molecular and Life Sciences The University of Western Australia 35 Stirling Highway 6009 Perth Western Australia
| | - Alexandre N. Sobolev
- School of Molecular Sciences and CMCA School of Molecular and Life Sciences The University of Western Australia 35 Stirling Highway 6009 Perth Western Australia
| | - Massimiliano Massi
- Curtin Institute for Functional Molecules and Interfaces School of Molecular and Life Sciences Curtin University Kent Street, Bentley 6102 Perth Australia
| | - Alejandro Hochkoeppler
- CSGI, Department of Chemistry School of Molecular and Life Sciences University of Florence 50019 Sesto Fiorentino (FI) Italy
- Department of Pharmacy and Biotechnology School of Molecular and Life Sciences University of Bologna Viale Risorgimento 4 40136 Bologna Italy
| | - Stefano Stagni
- Department of Industrial Chemistry “Toso Montanari” School of Molecular and Life Sciences University of Bologna Viale Risorgimento 4 40136 Bologna Italy
| | - Peter V. Simpson
- Curtin Institute for Functional Molecules and Interfaces School of Molecular and Life Sciences Curtin University Kent Street, Bentley 6102 Perth Australia
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23
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Shipp JD, Carson H, Spall SJP, Parker SC, Chekulaev D, Jones N, Mel'nikov MY, Robertson CC, Meijer AJHM, Weinstein JA. Sterically hindered Re- and Mn-CO 2 reduction catalysts for solar energy conversion. Dalton Trans 2020; 49:4230-4243. [PMID: 32104876 DOI: 10.1039/d0dt00252f] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Novel molecular Re and Mn tricarbonyl complexes bearing a bipyridyl ligand functionalised with sterically hindering substituents in the 6,6'-position, [M(HPEAB)(CO)3(X)] (M/X = Re/Cl, Mn/Br; HPEAB = 6,6'-{N-(4-hexylphenyl)-N(ethyl)-amido}-2,2'-bipyridine) have been synthesised, fully characterised including by single crystal X-ray crystallography, and their propensity to act as catalysts for the electrochemical and photochemical reduction of CO2 has been established. Controlled potential electrolysis showed that the catalysts are effective for electrochemical CO2-reduction, yielding CO as the product (in MeCN for the Re-complex, in 95 : 5 (v/v) MeCN : H2O mixture for the Mn-complex). The recyclability of the catalysts was demonstrated through replenishment of CO2 within solution. The novel catalysts had similar reduction potentials to previously reported complexes of similar structure, and results of the foot-of-the-wave analysis showed comparable maximum turnover rates, too. The tentative mechanisms for activation of the pre-catalysts were proposed on the basis of IR-spectroelectrochemical data aided by DFT calculations. It is shown that the typical dimerisation of the Mn-catalyst was prevented by incorporation of sterically hindering groups, whilst the Re-catalyst undergoes the usual mechanism following chloride ion loss. No photochemical CO2 reduction was observed for the rhenium complex in the presence of a sacrificial donor (triethylamine), which was attributed to the short triplet excited state lifetime (3.6 ns), insufficient for diffusion-controlled electron transfer. Importantly, [Mn(HPEAB)(CO)3Br] can act as a CO2 reduction catalyst when photosensitised by a zinc porphyrin under red light irradiation (λ > 600 nm) in MeCN : H2O (95 : 5); there has been only one reported example of photoactivating Mn-catalysts with porphyrins in this manner. Thus, this work demonstrates the wide utility of sterically protected Re- and Mn-diimine carbonyl catalysts, where the rate and yield of CO-production can be adjusted based on the metal centre and catalytic conditions, with the advantage of suppressing unwanted side-reactions through steric protection of the vacant coordination site.
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Affiliation(s)
- James D Shipp
- Department of Chemistry, University of Sheffield, S3 7HF, UK.
| | - Heather Carson
- Department of Chemistry, University of Sheffield, S3 7HF, UK.
| | | | - Simon C Parker
- Department of Chemistry, University of Sheffield, S3 7HF, UK.
| | | | - Natalie Jones
- Department of Chemistry, University of Sheffield, S3 7HF, UK.
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24
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Mn(I)-based photoCORMs for trackable, visible light-induced CO release and photocytotoxicity to cancer cells. Polyhedron 2019. [DOI: 10.1016/j.poly.2019.04.008] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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25
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Lazarus LS, Simons CR, Arcidiacono A, Benninghoff AD, Berreau LM. Extracellular vs Intracellular Delivery of CO: Does It Matter for a Stable, Diffusible Gasotransmitter? J Med Chem 2019; 62:9990-9995. [PMID: 31577143 DOI: 10.1021/acs.jmedchem.9b01254] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Carbon monoxide (CO) is a gasotransmitter produced in humans. An essential unanswered question in the design of carbon monoxide releasing molecules (CORMs) is whether the delivery molecule should be localized extra- or intracellularly to produce desired biological effects. Herein we show that extracellular CO release is less toxic and is sufficient to produce an anti-inflammatory effect similar to that of intracellular CO release at nanomolar concentrations. This information is valuable for the design of CORMs.
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Affiliation(s)
- Livia S Lazarus
- Department of Chemistry & Biochemistry , Utah State University , Logan , Utah 84322-0300 , United States
| | - Casey R Simons
- Department of Chemistry & Biochemistry , Utah State University , Logan , Utah 84322-0300 , United States
| | - Ashley Arcidiacono
- Department of Chemistry & Biochemistry , Florida State University , Tallahassee , Florida 32306-4390 , United States
| | - Abby D Benninghoff
- Department of Animal, Dairy and Veterinary Sciences , Utah State University , Logan , Utah 84322-4815 , United States
| | - Lisa M Berreau
- Department of Chemistry & Biochemistry , Utah State University , Logan , Utah 84322-0300 , United States
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26
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Pinto MN, Chakraborty I, Jimenez J, Murphy K, Wenger J, Mascharak PK. Therapeutic Potential of Two Visible Light Responsive Luminescent photoCORMs: Enhanced Cellular Internalization Driven by Lipophilicity. Inorg Chem 2019; 58:14522-14531. [DOI: 10.1021/acs.inorgchem.9b02121] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Miguel N. Pinto
- Department of Chemistry and Biochemistry, University of California, Santa Cruz, 1156 High Street, Santa Cruz, California 95064, United States
| | - Indranil Chakraborty
- Department of Chemistry and Biochemistry, Florida International University, 11200 SW Eighth Street, Miami, Florida 33199, United States
| | - Jorge Jimenez
- Department of Chemistry and Biochemistry, University of California, Santa Cruz, 1156 High Street, Santa Cruz, California 95064, United States
| | - Katelyn Murphy
- Department of Chemistry and Biochemistry, University of California, Santa Cruz, 1156 High Street, Santa Cruz, California 95064, United States
| | - John Wenger
- Department of Chemistry and Biochemistry, University of California, Santa Cruz, 1156 High Street, Santa Cruz, California 95064, United States
| | - Pradip K. Mascharak
- Department of Chemistry and Biochemistry, University of California, Santa Cruz, 1156 High Street, Santa Cruz, California 95064, United States
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27
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Kottelat E, Lucarini F, Crochet A, Ruggi A, Zobi F. Correlation of MLCTs of Group 7 fac
-[M(CO)3
]+
Complexes (M = Mn, Re) with Bipyridine, Pyridinylpyrazine, Azopyridine, and Pyridin-2-ylmethanimine Type Ligands for Rational photoCORM Design. Eur J Inorg Chem 2019. [DOI: 10.1002/ejic.201900568] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Emmanuel Kottelat
- Department of Chemistry; Faculty of Sciences; University of Fribourg; Chemin de Musée 9, 1700 Fribourg Switzerland
| | - Fiorella Lucarini
- Department of Chemistry; Faculty of Sciences; University of Fribourg; Chemin de Musée 9, 1700 Fribourg Switzerland
| | - Aurelien Crochet
- Department of Chemistry; Faculty of Sciences; University of Fribourg; Chemin de Musée 9, 1700 Fribourg Switzerland
| | - Albert Ruggi
- Department of Chemistry; Faculty of Sciences; University of Fribourg; Chemin de Musée 9, 1700 Fribourg Switzerland
| | - Fabio Zobi
- Department of Chemistry; Faculty of Sciences; University of Fribourg; Chemin de Musée 9, 1700 Fribourg Switzerland
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28
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Divya D, Nagarajaprakash R, Vidhyapriya P, Sakthivel N, Manimaran B. Single-Pot Self-Assembly of Heteroleptic Mn(I)-Based Aminoquinonato-Bridged Ester/Amide-Functionalized Dinuclear Metallastirrups: Potential Anticancer and Visible-Light-Triggered CORMs. ACS OMEGA 2019; 4:12790-12802. [PMID: 31460403 PMCID: PMC6682026 DOI: 10.1021/acsomega.9b01438] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/17/2019] [Accepted: 07/12/2019] [Indexed: 05/23/2023]
Abstract
Multicomponent self-assembly of Mn2(CO)10, a bis-chelating aminoquinonato (ON∩ON) bridge (L), and an ester/amide-functionalized flexible neutral ditopic linker (L') has resulted into the formation of M2LL'-type manganese(I)-based dinuclear metallastirrups of general formula [{(CO)3Mn(μ-η4-L)Mn(CO)3}(μ-L')] (1-10). Compounds 1-10 were accomplished via orthogonal bonding of the aminoquinone ligand (2,5-bis(n-butylamino)-1,4-benzoquinone/2,5-bis(phenethylamino)-1,4-benzoquinone) and ditopic pyridyl ligand to manganese carbonyl. The resultant metallastirrups were characterized using elemental analyses and IR, UV-vis, 1H NMR, and electrospray ionization-mass spectroscopic techniques. The molecular structure of 6 was confirmed by single-crystal X-ray diffraction methods. Furthermore, molecular recognition capabilities of 1, 5, 7, and 9 were evaluated with aromatic compounds containing hydroxy/amine functionalities. Anticancer activities of compounds 1-3, 5-7, 9, and 10 were investigated against three cancer cell lines, that is, lung (A549), colon (HCT-15), and cervical (HeLa) as well as on normal cells (HEK 293). Compound 9 showed a broad-spectrum inhibition toward these cancer cells upon exposure to visible light. The myoglobin assay was performed using UV-vis absorption spectroscopy to investigate the visible-light-triggered CO release from 5 and 9 that could be related to their ability to effectively inhibit cancer cells. In addition, morphological studies confirmed the induction of autophagy due to the treatment of cancer cells using compound 9.
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Affiliation(s)
- Dhanaraj Divya
- Department
of Chemistry and Department of Biotechnology, Pondicherry
University, Puducherry 605014, India
| | - Ramamurthy Nagarajaprakash
- Chemical
Sciences Research Group, Division of Research & Development, Lovely Professional University, Phagwara 144411, Punjab, India
| | - Pitchavel Vidhyapriya
- Department
of Chemistry and Department of Biotechnology, Pondicherry
University, Puducherry 605014, India
| | - Natarajan Sakthivel
- Department
of Chemistry and Department of Biotechnology, Pondicherry
University, Puducherry 605014, India
| | - Bala. Manimaran
- Department
of Chemistry and Department of Biotechnology, Pondicherry
University, Puducherry 605014, India
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29
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Ramu V, Upendar Reddy G, Liu J, Hoffmann P, Sollapur R, Wyrwa R, Kupfer S, Spielmann C, Bonnet S, Neugebauer U, Schiller A. Two‐Photon‐Induced CO‐Releasing Molecules as Molecular Logic Systems in Solution, Polymers, and Cells. Chemistry 2019; 25:8453-8458. [DOI: 10.1002/chem.201901396] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2019] [Indexed: 12/22/2022]
Affiliation(s)
- Vadde Ramu
- Institute for Inorganic and Analytical Chemistry (IAAC)Friedrich Schiller University Jena Humboldtstr. 8 07743 Jena Germany
| | - Gandra Upendar Reddy
- Institute for Inorganic and Analytical Chemistry (IAAC)Friedrich Schiller University Jena Humboldtstr. 8 07743 Jena Germany
| | - Jingjing Liu
- Institute for Inorganic and Analytical Chemistry (IAAC)Friedrich Schiller University Jena Humboldtstr. 8 07743 Jena Germany
| | - Patrick Hoffmann
- Center for Sepsis Control and Care (CSCC)Jena University Hospital Am Klinikum 1 07747 Jena Germany
- Leibniz Institute of Photonic Technology Albert-Einstein-Str. 9 07745 Jena Germany
| | - Rudrakant Sollapur
- Institute of Optics and Quantum ElectronicsFriedrich Schiller University Jena Max Wien Platz 1 07743 Jena Germany
| | - Ralf Wyrwa
- INNOVENT e.V., Biomaterials Department Prüssingstraße 27B 07745 Jena Germany
| | - Stephan Kupfer
- Institute for Physical Chemistry (IPC) and Abbe Center of Photonics (ACP)Friedrich Schiller University Jena Helmholtzweg 4 07743 Jena Germany
| | - Christian Spielmann
- Institute of Optics and Quantum ElectronicsFriedrich Schiller University Jena Max Wien Platz 1 07743 Jena Germany
| | - Sylvestre Bonnet
- Leiden Institute of ChemistryGorlaeus LaboratoriesLeiden University 2300 RA Leiden The Netherlands
| | - Ute Neugebauer
- Center for Sepsis Control and Care (CSCC)Jena University Hospital Am Klinikum 1 07747 Jena Germany
- Institute for Physical Chemistry (IPC) and Abbe Center of Photonics (ACP)Friedrich Schiller University Jena Helmholtzweg 4 07743 Jena Germany
- Leibniz Institute of Photonic Technology Albert-Einstein-Str. 9 07745 Jena Germany
| | - Alexander Schiller
- Institute for Inorganic and Analytical Chemistry (IAAC)Friedrich Schiller University Jena Humboldtstr. 8 07743 Jena Germany
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30
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Soboleva T, Berreau LM. Tracking CO release in cells via the luminescence of donor molecules and/or their by-products. Isr J Chem 2019; 59:339-350. [PMID: 31516159 DOI: 10.1002/ijch.201800172] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Carbon monoxide (CO) is a bioactive signalling molecule that is produced endogenously via the breakdown of heme. Beneficial health effects associated with the delivery of CO gas have spurred the development of CO-releasing molecules (CORMs) that can be used to provide specific amounts of the gas. In addition to their potential use as therapeutics, CORMs are needed to provide insight into the biological targets of CO. In this regard, light-activated CO-releasing molecules (photoCORMs), are valuable for examining the effects of localized CO release. Herein we examine luminescent CORMs and photoCORMs that have been reported for tracking CO delivery in cells. A variety of motifs are available that exhibit differing luminescence properties and cover a wide range of wavelengths. Trackable CO donors have been successfully applied to targeting CO delivery to mitochondria, thus demonstrating the feasibility of using such molecules in detailed investigations of the biological roles of CO.
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Affiliation(s)
- Tatiana Soboleva
- Department of Chemistry & Biochemistry, Utah State University, 0300 Old Main Hill, Logan, Utah 84322-0300, United States
| | - Lisa M Berreau
- Department of Chemistry & Biochemistry, Utah State University, 0300 Old Main Hill, Logan, Utah 84322-0300, United States
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31
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Alabugin A. Near-IR Photochemistry for Biology: Exploiting the Optical Window of Tissue. Photochem Photobiol 2019; 95:722-732. [PMID: 30536737 DOI: 10.1111/php.13068] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2018] [Accepted: 12/02/2018] [Indexed: 01/04/2023]
Abstract
Photoactive molecules enable much of modern biology and biochemistry-a vast library of fluorescent chromophores is used to track and label cellular structures and macromolecules. However, photochemistry is better known to the synthetic or physical organic chemist as a "light switch" that turns on unusual excited-state reactivity, isomerization, or dynamic adjustment of structure. This review details a rapidly growing approach to biophotochemistry that uses low-energy near-IR wavelengths not only for imaging, but also for close spatial control over chemical switching events in biosystems. Emphasis is placed on topics of biomedical interest: release of gaseous biological messengers, uncaging of drugs, nano-therapeutics, and modification of biomaterials.
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Affiliation(s)
- Alexander Alabugin
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, MA
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32
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Jimenez J, Pinto MN, Martinez-Gonzalez J, Mascharak PK. Photo-induced eradication of human colorectal adenocarcinoma HT-29 cells by carbon monoxide (CO) delivery from a Mn-based green luminescent photoCORM. Inorganica Chim Acta 2019. [DOI: 10.1016/j.ica.2018.09.088] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
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33
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Metal complex strategies for photo-uncaging the small molecule bioregulators nitric oxide and carbon monoxide. Coord Chem Rev 2018. [DOI: 10.1016/j.ccr.2018.07.018] [Citation(s) in RCA: 65] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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34
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Mansour AM. Green-Light-Induced PhotoCORM: Lysozyme Binding Affinity towards MnI
and ReI
Carbonyl Complexes and Biological Activity Evaluation. Eur J Inorg Chem 2018. [DOI: 10.1002/ejic.201801055] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Ahmed M. Mansour
- Chemistry Department; Faculty of Science; Cairo University; Gamma Street 12613 Giza, Cairo Egypt
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35
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36
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Gas Signaling Molecules and Mitochondrial Potassium Channels. Int J Mol Sci 2018; 19:ijms19103227. [PMID: 30340432 PMCID: PMC6214077 DOI: 10.3390/ijms19103227] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2018] [Revised: 10/15/2018] [Accepted: 10/16/2018] [Indexed: 12/27/2022] Open
Abstract
Recently, gaseous signaling molecules, such as carbon monoxide (CO), nitric oxide (NO), and hydrogen sulfide (H2S), which were previously considered to be highly toxic, have been of increasing interest due to their beneficial effects at low concentrations. These so-called gasotransmitters affect many cellular processes, such as apoptosis, proliferation, cytoprotection, oxygen sensing, ATP synthesis, and cellular respiration. It is thought that mitochondria, specifically their respiratory complexes, constitute an important target for these gases. On the other hand, increasing evidence of a cytoprotective role for mitochondrial potassium channels provides motivation for the analysis of the role of gasotransmitters in the regulation of channel function. A number of potassium channels have been shown to exhibit activity within the inner mitochondrial membrane, including ATP-sensitive potassium channels, Ca2+-activated potassium channels, voltage-gated Kv potassium channels, and TWIK-related acid-sensitive K+ channel 3 (TASK-3). The effects of these channels include the regulation of mitochondrial respiration and membrane potential. Additionally, they may modulate the synthesis of reactive oxygen species within mitochondria. The opening of mitochondrial potassium channels is believed to induce cytoprotection, while channel inhibition may facilitate cell death. The molecular mechanisms underlying the action of gasotransmitters are complex. In this review, we focus on the molecular mechanisms underlying the action of H2S, NO, and CO on potassium channels present within mitochondria.
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37
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Mansour AM, Shehab OR. {Ru(CO)x}-core terpyridine complexes: Lysozyme binding affinity, DNA and photoinduced carbon monoxide releasing properties. J Photochem Photobiol A Chem 2018. [DOI: 10.1016/j.jphotochem.2018.06.026] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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38
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Reactivity of visible-light induced CO releasing thiourea-based Mn(I) tricarbonyl bromide (CORM-NS1) towards lysozyme. Inorganica Chim Acta 2018. [DOI: 10.1016/j.ica.2018.05.009] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
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39
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Popova M, Lazarus LS, Ayad S, Benninghoff AD, Berreau LM. Visible-Light-Activated Quinolone Carbon-Monoxide-Releasing Molecule: Prodrug and Albumin-Assisted Delivery Enables Anticancer and Potent Anti-Inflammatory Effects. J Am Chem Soc 2018; 140:9721-9729. [PMID: 29983046 DOI: 10.1021/jacs.8b06011] [Citation(s) in RCA: 88] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The delivery of controlled amounts of carbon monoxide (CO) to biological targets is of significant current interest. Very few CO-releasing compounds are currently known that can be rigorously controlled in terms of the location and amount of CO released. To address this deficiency, we report herein a new metal-free, visible-light-induced CO-releasing molecule (photoCORM) and its prodrug oxidized form, which offer new approaches to controlled, localized CO delivery. The new photoCORM, based on a 3-hydroxybenzo[ g]quinolone framework, releases 1 equiv of CO upon visible-light illumination under a variety of biologically relevant conditions. This nontoxic compound can be tracked prior to CO release using fluorescence microscopy and produces a nontoxic byproduct following CO release. An oxidized prodrug form of the photoCORM is reduced by cellular thiols, providing an approach toward activation in the reducing environment of cancer cells. Strong noncovalent affinity of the nonmetal photoCORM to albumin enables use of an albumin:photoCORM complex for targeted CO delivery to cancer cells. This approach produced cytotoxicity IC50 values among the lowest reported to date for CO delivery to cancer cells by a photoCORM. This albumin:photoCORM complex is also the first CO delivery system to produce significant anti-inflammatory effects when introduced at nanomolar photoCORM concentration.
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Affiliation(s)
- Marina Popova
- Department of Chemistry & Biochemistry , Utah State University , 0300 Old Main Hill , Logan , Utah 84322-0300 , United States
| | - Livia S Lazarus
- Department of Chemistry & Biochemistry , Utah State University , 0300 Old Main Hill , Logan , Utah 84322-0300 , United States
| | - Suliman Ayad
- Department of Chemistry & Biochemistry , Florida State University , Tallahassee , Florida 32306-4390 , United States
| | - Abby D Benninghoff
- Department of Animal, Dairy and Veterinary Sciences , Utah State University , Logan , Utah 84322-4815 , United States
| | - Lisa M Berreau
- Department of Chemistry & Biochemistry , Utah State University , 0300 Old Main Hill , Logan , Utah 84322-0300 , United States
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40
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Hyodo F, Sho T, Maity B, Fujita K, Tachibana Y, Akashi S, Mano M, Hishikawa Y, Matsuo M, Ueno T. Photoinduced in Vivo Magnetic Resonance Imaging (MRI) with Rapid CO Release from an MnCO‐Protein Needle Composite. Chemistry 2018; 24:11578-11583. [DOI: 10.1002/chem.201802445] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2018] [Indexed: 11/07/2022]
Affiliation(s)
- Fuminori Hyodo
- Innovation Center for Medical Redox NavigationKyushu University 3-1-1 Maidashi Higashi-ku Fukuoka 812-8582 Japan
- Department of radiologySchool of MedicineGifu University 1-1 Yanagido Gifu 501-1194 Japan
| | - Takeya Sho
- School of Life Science and TechnologyTokyo Institute of Technology B55-4259 Nagatsuta-cho Midori-ku Yokohama 226-8501 Japan
| | - Basudev Maity
- School of Life Science and TechnologyTokyo Institute of Technology B55-4259 Nagatsuta-cho Midori-ku Yokohama 226-8501 Japan
| | - Kenta Fujita
- School of Life Science and TechnologyTokyo Institute of Technology B55-4259 Nagatsuta-cho Midori-ku Yokohama 226-8501 Japan
| | - Yoko Tachibana
- Innovation Center for Medical Redox NavigationKyushu University 3-1-1 Maidashi Higashi-ku Fukuoka 812-8582 Japan
| | - Satoko Akashi
- Graduate School of Medical Life ScienceYokohama City University 1-7-29 Suehiro-cho, Tsurumi-ku Yokohama Kanagawa 230-0045 Japan
| | - Megumi Mano
- School of Life Science and TechnologyTokyo Institute of Technology B55-4259 Nagatsuta-cho Midori-ku Yokohama 226-8501 Japan
| | - Yuki Hishikawa
- School of Life Science and TechnologyTokyo Institute of Technology B55-4259 Nagatsuta-cho Midori-ku Yokohama 226-8501 Japan
| | - Masayuki Matsuo
- Department of radiologySchool of MedicineGifu University 1-1 Yanagido Gifu 501-1194 Japan
| | - Takafumi Ueno
- School of Life Science and TechnologyTokyo Institute of Technology B55-4259 Nagatsuta-cho Midori-ku Yokohama 226-8501 Japan
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41
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Abstract
Photoactivated chemotherapy is an approach where a biologically active compound is protected against interaction with the cell environment by a light-cleavable protecting group, and unprotected by light irradiation. As such, PACT represents a major scientific opportunity for developing new bioactive inorganic compounds. However, the societal impact of this approach will only take off if the PACT field is used to address real societal challenges, i.e., therapeutic questions that make sense in a clinical context, rather than purely chemical questions. In particular, I advocate here that the field has become mature enough to switch from a compound-based approach, where a particular cancer model is chosen only to demonstrate the utility of a compound, to a disease-based approach, where the question of which disease to cure comes first: which PACT compound should I make to solve that particular clinical problem? The advantages and disadvantages of PACT vs. other phototherapeutic techniques are discussed, and a roadmap towards real clinical applications of PACT is drawn.
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Affiliation(s)
- Sylvestre Bonnet
- Leiden Institute of Chemistry, Einsteinweg 55, 2333CC Leiden, The Netherlands.
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42
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Nakae T, Hirotsu M, Nakajima H. CO Release from N,C,S-Pincer Iron(III) Carbonyl Complexes Induced by Visible-to-NIR Light Irradiation: Mechanistic Insight into Effects of Axial Phosphorus Ligands. Inorg Chem 2018; 57:8615-8626. [DOI: 10.1021/acs.inorgchem.8b01407] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Affiliation(s)
- Toyotaka Nakae
- Division of Molecular Materials Science, Graduate School of Science, Osaka City University, 3-3-138 Sugimoto, Sumiyoshi-ku, Osaka 558−8585, Japan
| | - Masakazu Hirotsu
- Division of Molecular Materials Science, Graduate School of Science, Osaka City University, 3-3-138 Sugimoto, Sumiyoshi-ku, Osaka 558−8585, Japan
| | - Hiroshi Nakajima
- Division of Molecular Materials Science, Graduate School of Science, Osaka City University, 3-3-138 Sugimoto, Sumiyoshi-ku, Osaka 558−8585, Japan
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43
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Mede R, Hoffmann P, Neumann C, Görls H, Schmitt M, Popp J, Neugebauer U, Westerhausen M. Acetoxymethyl Concept for Intracellular Administration of Carbon Monoxide with Mn(CO) 3 -Based PhotoCORMs. Chemistry 2018; 24:3321-3329. [PMID: 29314301 DOI: 10.1002/chem.201705686] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2017] [Indexed: 12/21/2022]
Abstract
Targeted administration of carbon monoxide with CO releasing molecules (CORMs) inside of cells proved to be very challenging. Consequently, there are only very few reports on intracellular uptake of CORMs requiring high extracellular CORM loading because an equilibrium between extra- and intracellular concentrations can be assumed. Here we present a strategy for a targeted intracellular administration of manganese(I)-based CORMs that are altered inside of cells to trap these complexes. Thereafter, carbon monoxide can be liberated by irradiation (photoCORMs). To achieve this innovative task, acetoxymethyl (AM) groups are attached at the periphery of the hydrophobic manganese(I) carbonyl complexes to not influence the CO release behavior. Inside of cells these AM substituents are cleaved by esterases yielding hydrophilic manganese(I) carbonyl compounds which are captured inside of cells. This objective is realized by using the bidentate bases 4-(acetoxymethoxycarbonyl)phenyl-bis(3,5-dimethylpyrazolyl)methane (1) and 4-(acetoxymethoxy)phenyl-bis(3,5-dimethylpyrazolyl)methane (4) at facial (OC)3 MnBr fragments yielding CORM-AM1 (2) and CORM-AM2 (5), respectively. Besides synthesis, crystal structures and spectroscopic properties we present targeted administration and intracellular accumulation of these AM-containing CORMs.
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Affiliation(s)
- Ralf Mede
- Institute of Inorganic and Analytical Chemistry, Friedrich Schiller University Jena, Humboldtstraße 8, 07743, Jena, Germany
| | - Patrick Hoffmann
- Center for Sepsis Control and Care (CSCC), Jena University Hospital, Am Klinikum 1, 07747, Jena, Germany.,Leibniz Institute of Photonic Technology, Albert-Einstein-Straße 9, 07745, Jena, Germany
| | - Clara Neumann
- Center for Sepsis Control and Care (CSCC), Jena University Hospital, Am Klinikum 1, 07747, Jena, Germany.,Leibniz Institute of Photonic Technology, Albert-Einstein-Straße 9, 07745, Jena, Germany
| | - Helmar Görls
- Institute of Inorganic and Analytical Chemistry, Friedrich Schiller University Jena, Humboldtstraße 8, 07743, Jena, Germany
| | - Michael Schmitt
- Leibniz Institute of Photonic Technology, Albert-Einstein-Straße 9, 07745, Jena, Germany.,Institute of Physical Chemistry and Abbe Center of Photonics, Friedrich Schiller University Jena, Helmholtzweg 4, 07743, Jena, Germany
| | - Jürgen Popp
- Leibniz Institute of Photonic Technology, Albert-Einstein-Straße 9, 07745, Jena, Germany.,Institute of Physical Chemistry and Abbe Center of Photonics, Friedrich Schiller University Jena, Helmholtzweg 4, 07743, Jena, Germany
| | - Ute Neugebauer
- Center for Sepsis Control and Care (CSCC), Jena University Hospital, Am Klinikum 1, 07747, Jena, Germany.,Leibniz Institute of Photonic Technology, Albert-Einstein-Straße 9, 07745, Jena, Germany.,Institute of Physical Chemistry and Abbe Center of Photonics, Friedrich Schiller University Jena, Helmholtzweg 4, 07743, Jena, Germany
| | - Matthias Westerhausen
- Institute of Inorganic and Analytical Chemistry, Friedrich Schiller University Jena, Humboldtstraße 8, 07743, Jena, Germany
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44
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Jimenez J, Chakraborty I, Dominguez A, Martinez-Gonzalez J, Sameera WMC, Mascharak PK. A Luminescent Manganese PhotoCORM for CO Delivery to Cellular Targets under the Control of Visible Light. Inorg Chem 2018; 57:1766-1773. [DOI: 10.1021/acs.inorgchem.7b02480] [Citation(s) in RCA: 52] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Jorge Jimenez
- Department of Chemistry and
Biochemistry, University of California, Santa Cruz, Santa
Cruz, California 95064, United States
| | - Indranil Chakraborty
- Department of Chemistry and
Biochemistry, University of California, Santa Cruz, Santa
Cruz, California 95064, United States
| | - Annmarie Dominguez
- Department of Chemistry and
Biochemistry, University of California, Santa Cruz, Santa
Cruz, California 95064, United States
| | - Jorge Martinez-Gonzalez
- Department of Chemistry and
Biochemistry, University of California, Santa Cruz, Santa
Cruz, California 95064, United States
| | - W. M. Chamil Sameera
- Department of Chemistry and
Biochemistry, University of California, Santa Cruz, Santa
Cruz, California 95064, United States
| | - Pradip K. Mascharak
- Department of Chemistry and
Biochemistry, University of California, Santa Cruz, Santa
Cruz, California 95064, United States
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45
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Slanina T, Šebej P. Visible-light-activated photoCORMs: rational design of CO-releasing organic molecules absorbing in the tissue-transparent window. Photochem Photobiol Sci 2018; 17:692-710. [DOI: 10.1039/c8pp00096d] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Rational design of visible-light-activatable transition-metal-free CO-releasing molecules with an emphasis on mechanistic details of the CO release.
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Affiliation(s)
- Tomáš Slanina
- Institute for Organic Chemistry and Chemical Biology
- Goethe-University Frankfurt
- 60438 Frankfurt
- Germany
| | - Peter Šebej
- Research Centre for Toxic Compounds in the Environment
- Faculty of Science
- Masaryk University
- 625 00 Brno
- Czech Republic
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46
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Mede R, Hoffmann P, Klein M, Görls H, Schmitt M, Neugebauer U, Gessner G, Heinemann SH, Popp J, Westerhausen M. A Water-Soluble Mn(CO)3-Based and Non-Toxic PhotoCORM for Administration of Carbon Monoxide Inside of Cells. Z Anorg Allg Chem 2017. [DOI: 10.1002/zaac.201700349] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Ralf Mede
- Institute of Inorganic and Analytical Chemistry; Friedrich Schiller University; Humboldtstraße 8 07743 Jena Germany
| | - Patrick Hoffmann
- Center for Sepsis Control and Care (CSCC); Jena University Hospital; Am Klinikum 1 07747 Jena Germany
- Leibniz Institute of Photonic Technology (Leibniz IPHT); Albert-Einstein-Straße 9 07745 Jena Germany
| | - Moritz Klein
- Leibniz Institute of Photonic Technology (Leibniz IPHT); Albert-Einstein-Straße 9 07745 Jena Germany
- Institute of Physical Chemistry; Friedrich Schiller University; Helmholtzweg 4 07743 Jena Germany
| | - Helmar Görls
- Institute of Inorganic and Analytical Chemistry; Friedrich Schiller University; Humboldtstraße 8 07743 Jena Germany
| | - Michael Schmitt
- Leibniz Institute of Photonic Technology (Leibniz IPHT); Albert-Einstein-Straße 9 07745 Jena Germany
- Institute of Physical Chemistry; Friedrich Schiller University; Helmholtzweg 4 07743 Jena Germany
| | - Ute Neugebauer
- Center for Sepsis Control and Care (CSCC); Jena University Hospital; Am Klinikum 1 07747 Jena Germany
- Leibniz Institute of Photonic Technology (Leibniz IPHT); Albert-Einstein-Straße 9 07745 Jena Germany
- Institute of Physical Chemistry; Friedrich Schiller University; Helmholtzweg 4 07743 Jena Germany
| | - Guido Gessner
- Center for Molecular Biomedicine (CMB); Department of Biophysics; Friedrich Schiller University Jena and Jena University Hospital; Hans-Knöll-Straße 2 07745 Jena Germany
| | - Stefan H. Heinemann
- Center for Molecular Biomedicine (CMB); Department of Biophysics; Friedrich Schiller University Jena and Jena University Hospital; Hans-Knöll-Straße 2 07745 Jena Germany
| | - Jürgen Popp
- Center for Sepsis Control and Care (CSCC); Jena University Hospital; Am Klinikum 1 07747 Jena Germany
- Leibniz Institute of Photonic Technology (Leibniz IPHT); Albert-Einstein-Straße 9 07745 Jena Germany
- Institute of Physical Chemistry; Friedrich Schiller University; Helmholtzweg 4 07743 Jena Germany
| | - Matthias Westerhausen
- Institute of Inorganic and Analytical Chemistry; Friedrich Schiller University; Humboldtstraße 8 07743 Jena Germany
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47
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Lee LCC, Leung KK, Lo KKW. Recent development of luminescent rhenium(i) tricarbonyl polypyridine complexes as cellular imaging reagents, anticancer drugs, and antibacterial agents. Dalton Trans 2017; 46:16357-16380. [DOI: 10.1039/c7dt03465b] [Citation(s) in RCA: 117] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
This Perspective summarizes recent advances in the biological applications of luminescent rhenium(i) tricarbonyl polypyridine complexes.
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Affiliation(s)
| | - Kam-Keung Leung
- Department of Chemistry
- City University of Hong Kong
- P. R. China
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