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Relevant bibliographies by topics / Osmium compounds. Ruthenium compounds. Transition metal complexes

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Journal articles

Academic literature on the topic 'Osmium compounds. Ruthenium compounds. Transition metal complexes'

Author: Grafiati

Published: 4 June 2021

Last updated: 8 February 2022

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Journal articles on the topic "Osmium compounds. Ruthenium compounds. Transition metal complexes"

1

Cerón-Camacho, Ricardo, Manuel A. Roque-Ramires, Alexander D. Ryabov, and Ronan Le Lagadec. "Cyclometalated Osmium Compounds and beyond: Synthesis, Properties, Applications." Molecules 26, no. 6 (2021): 1563. http://dx.doi.org/10.3390/molecules26061563.

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The synthesis of cyclometalated osmium complexes is usually more complicated than of other transition metals such as Ni, Pd, Pt, Rh, where cyclometalation reactions readily occur via direct activation of C–H bonds. It differs also from their ruthenium analogs. Cyclometalation for osmium usually occurs under more severe conditions, in polar solvents, using specific precursors, stronger acids, or bases. Such requirements expand reaction mechanisms to electrophilic activation, transmetalation, and oxidative addition, often involving C–H bond activations. Osmacycles exhibit specific applications i

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2

Zykova, A. "Synthesis and Structure of Aryl Phosphorus Compounds." Bulletin of the South Ural State University series "Chemistry" 12, no. 4 (2020): 5–50. http://dx.doi.org/10.14529/chem200401.

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Based on an analysis of the literature published from the late 20th century to the beginning of the 21st century, methods for the synthesis of some complex tetraorganylphosphonium salts are systematized and described, along with the features of the chemical transformations of pentaphenylphosphorus, which was first obtained in 1953. The tetraorganylphosphonium salts were known much earlier, however, the features of the synthesis of transition metal complexes, which are usually obtained from tetraorganylphosphorus halides and metal halides, have not been sufficiently studied. The present review

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3

Aleksanyan, Diana V., Svetlana G. Churusova, Ekaterina Yu Rybalkina, and Vladimir A. Kozlov. "Rhenium(I) Complexes with Pincer Ligands as a New Class of Potential Antitumor Agents." Proceedings 22, no. 1 (2019): 43. http://dx.doi.org/10.3390/proceedings2019022043.

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Transition metal complexes attract continuous research interest as potential antitumor agents. The most popular compounds are ruthenium, gold, titanium, osmium, iridium, zinc, and palladium complexes, which have already displayed cytotoxic features that are not typical for classical platinum-containing chemotherapeutic agents. Substantially lower attention is drawn to organometallic compounds of rhenium. However, the known examples of cytotoxic organometallic rhenium derivatives with bidentate heterocyclic, organophosphorus, labile alkoxide, and hydroxide ligands render further studies in this

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4

Gianino, Jacqueline, та Seth N. Brown. "Highly covalent metal–ligand π bonding in chelated bis- and tris(iminoxolene) complexes of osmium and ruthenium". Dalton Transactions 49, № 21 (2020): 7015–27. http://dx.doi.org/10.1039/d0dt01287d.

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5

D’Aléo, A., S. Welter, E. Cecchetto, and L. De Cola. "Electronic energy transfer in dinuclear metal complexes containing meta-substituted phenylene units." Pure and Applied Chemistry 77, no. 6 (2005): 1035–50. http://dx.doi.org/10.1351/pac200577061035.

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The synthesis and photophysical properties of heterometallic dinuclear complexes based on ruthenium and osmium trisbipyridine units, Ru-mPh3-Os and Ru-mPh5-Os, in which the metal complexes are linked via an oligophenylene bridge centrally connected in the meta position, are described. Electronic energy transfer from the excited ruthenium-based component (donor) to the osmium moiety (acceptor) has been investigated using steady-state and time-resolved spectroscopy. The results obtained for the meta-substituted compounds are compared with the analogous systems in which the phenylene spacers are

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6

Gaiddon, Christian, Isabelle Gross, Xiangjun Meng, et al. "Bypassing the Resistance Mechanisms of the Tumor Ecosystem by Targeting the Endoplasmic Reticulum Stress Pathway Using Ruthenium- and Osmium-Based Organometallic Compounds: An Exciting Long-Term Collaboration with Dr. Michel Pfeffer." Molecules 26, no. 17 (2021): 5386. http://dx.doi.org/10.3390/molecules26175386.

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Metal complexes have been used to treat cancer since the discovery of cisplatin and its interaction with DNA in the 1960’s. Facing the resistance mechanisms against platinum salts and their side effects, safer therapeutic approaches have been sought through other metals, including ruthenium. In the early 2000s, Michel Pfeffer and his collaborators started to investigate the biological activity of organo-ruthenium/osmium complexes, demonstrating their ability to interfere with the activity of purified redox enzymes. Then, they discovered that these organo-ruthenium/osmium complexes could act in

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7

Gałczyńska, Katarzyna, Zuzanna Drulis-Kawa, and Michał Arabski. "Antitumor Activity of Pt(II), Ru(III) and Cu(II) Complexes." Molecules 25, no. 15 (2020): 3492. http://dx.doi.org/10.3390/molecules25153492.

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Metal complexes are currently potential therapeutic compounds. The acquisition of resistance by cancer cells or the effective elimination of cancer-affected cells necessitates a constant search for chemical compounds with specific biological activities. One alternative option is the transition metal complexes having potential as antitumor agents. Here, we present the current knowledge about the application of transition metal complexes bearing nickel(II), cobalt(II), copper(II), ruthenium(III), and ruthenium(IV). The cytotoxic properties of the above complexes causing apoptosis, autophagy, DNA

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8

Varela, Jesús A., Carlos González-Rodríguez, Silvia G. Rubín, Luis Castedo, and Carlos Saá. "New cyclizations via catalytic ruthenium vinylidenes." Pure and Applied Chemistry 80, no. 5 (2008): 1167–77. http://dx.doi.org/10.1351/pac200880051167.

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New carbocyclizations that proceed via catalytic metal-vinylidenes are presented. Metal-vinylidene catalytic species, which are easily accessible from terminal alkynes and catalytic amounts of transition-metal complexes, can be involved either in pericyclic reactions or in tandem processes triggered by nucleophilic attack at the electrophilic position of the vinylidene. In both cases, a wide variety of valuable cyclic compounds are easily accessible. Some recent carbocyclizations will be described.

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9

Remita, Hynd, Renée Derai, and Marie-Odile Delcourt. "A new process using radiation for synthesising molecular metal clusters and complexes: First results concerning iron, ruthenium and osmium compounds." International Journal of Radiation Applications and Instrumentation. Part C. Radiation Physics and Chemistry 37, no. 2 (1991): 221–25. http://dx.doi.org/10.1016/1359-0197(91)90132-l.

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10

Sun, Qi, Yingsi Li, Hongdong Shi, Yi Wang, Jitian Zhang, and Qianling Zhang. "Ruthenium Complexes as Promising Candidates against Lung Cancer." Molecules 26, no. 15 (2021): 4389. http://dx.doi.org/10.3390/molecules26154389.

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Lung cancer is one of the most common malignancies with the highest mortality rate and the second-highest incidence rate after breast cancer, posing a serious threat to human health. The accidental discovery of the antitumor properties of cisplatin in the early 1960s aroused a growing interest in metal-based compounds for cancer treatment. However, the clinical application of cisplatin is limited by serious side effects and drug resistance. Therefore, other transition metal complexes have been developed for the treatment of different malignant cancers. Among them, Ru(II/III)-based complexes ha

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