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Relevant bibliographies by topics / Ruthenium. Complex compounds. Azides

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Academic literature on the topic 'Ruthenium. Complex compounds. Azides'

Author: Grafiati

Published: 4 June 2021

Last updated: 24 January 2023

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Journal articles on the topic "Ruthenium. Complex compounds. Azides"

1

Holzer, Isabelle, Oksana Desiatkina, Nicoleta Anghel, Serena K. Johns, Ghalia Boubaker, Andrew Hemphill, Julien Furrer, and Emilia Păunescu. "Synthesis and Antiparasitic Activity of New Trithiolato-Bridged Dinuclear Ruthenium(II)-arene-carbohydrate Conjugates." Molecules 28, no. 2 (January 16, 2023): 902. http://dx.doi.org/10.3390/molecules28020902.

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Eight novel carbohydrate-tethered trithiolato dinuclear ruthenium(II)-arene complexes were synthesized using CuAAC ‘click’ (Cu(I)-catalyzed azide-alkyne cycloaddition) reactions, and there in vitro activity against transgenic T. gondii tachyzoites constitutively expressing β-galactosidase (T. gondii β-gal) and in non-infected human foreskin fibroblasts, HFF, was determined at 0.1 and 1 µM. When evaluated at 1 µM, seven diruthenium-carbohydrate conjugates strongly impaired parasite proliferation by >90%, while HFF viability was retained at 50% or more, and they were further subjected to the half-maximal inhibitory concentration (IC50) measurement on T. gondii β-gal. Results revealed that the biological activity of the hybrids was influenced both by the nature of the carbohydrate (glucose vs. galactose) appended on ruthenium complex and the type/length of the linker between the two units. 23 and 26, two galactose-based diruthenium conjugates, exhibited low IC50 values and reduced effect on HFF viability when applied at 2.5 µM (23: IC50 = 0.032 µM/HFF viability 92% and 26: IC50 = 0.153 µM/HFF viability 97%). Remarkably, compounds 23 and 26 performed significantly better than the corresponding carbohydrate non-modified diruthenium complexes, showing that this type of conjugates are a promising approach for obtaining new antiparasitic compounds with reduced toxicity.

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Park, Jin Yong, Yongjin Kim, Dae Young Bae, Young Ho Rhee, and Jaiwook Park. "Ruthenium Bisammine Complex and Its Reaction with Aryl Azides." Organometallics 36, no. 18 (September 7, 2017): 3471–76. http://dx.doi.org/10.1021/acs.organomet.7b00403.

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Kwon, Yearang, Mina Jeon, Jin Yong Park, Young Ho Rhee, and Jaiwook Park. "Synthesis of 1H-azadienes and application to one-pot organic transformations." RSC Advances 6, no. 1 (2016): 661–68. http://dx.doi.org/10.1039/c5ra26230e.

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1H-Azadienes were synthesized from allyl azides by ruthenium catalysis under mild and neutral conditions. Applications of the 1H-azadienes were demonstrated for the one-pot synthesis of nitrogen containing organic compounds.

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Mitsudo, Take-aki, Nobuyoshi Suzuki, Teruyuki Kondo, and Yoshihisa Watanabe. "Ruthenium Complex-Catalyzed Carbonylation of Allylic Compounds." Journal of Organic Chemistry 59, no. 25 (December 1994): 7759–65. http://dx.doi.org/10.1021/jo00104a036.

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MITSUDO, T., N. SUZUKI, T. KONDO, and Y. WATANABE. "ChemInform Abstract: Ruthenium Complex Catalyzed Carbonylation of Allylic Compounds." ChemInform 26, no. 25 (August 17, 2010): no. http://dx.doi.org/10.1002/chin.199525074.

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Ochiai, Mitsuyoshi, Hisako Hashimoto, and Hiromi Tobita. "Reactions of a hydrido(hydrosilylene)ruthenium complex with carbonyl compounds." Dalton Transactions, no. 10 (2009): 1812. http://dx.doi.org/10.1039/b819229b.

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7

Ortega-Arizmendi, Aldo I., Eugenia Aldeco-Pérez, and Erick Cuevas-Yañez. "Alkyne-Azide Cycloaddition Catalyzed by Silver Chloride and “Abnormal” SilverN-Heterocyclic Carbene Complex." Scientific World Journal 2013 (2013): 1–8. http://dx.doi.org/10.1155/2013/186537.

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A library of 1,2,3-triazoles was synthesized from diverse alkynes and azides using catalytic amounts of silver chloride instead of copper compounds. In addition, a novel “abnormal” silverN-heterocyclic carbene complex was tested as catalyst in this process. The results suggest that the reaction requires only 0.5% of silver complex, affording 1,2,3-triazoles in good yields.

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Leyva, Elisa, Matthew S. Platz, Silvia E. Loredo-Carrillo, and Johana Aguilar. "Fluoro Aryl Azides: Synthesis, Reactions and Applications." Current Organic Chemistry 24, no. 11 (September 11, 2020): 1161–80. http://dx.doi.org/10.2174/1385272824999200608132505.

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Background: The complex photochemistry of aryl azides has fascinated scientists for several decades. Spectroscopists have investigated the intermediates formed by different analytical techniques. Theoretical chemists have explained the intrinsic interplay of intermediates under different experimental conditions. Objective & Method: A complete understanding of the photochemistry of a given fluoro aryl azide is a basic requisite for its use in chemistry. In this review, we will discuss the synthesis of several fluoro substituted aryl azides and the reactions and intermediates generated upon photolysis and thermolysis of these azides and some examples of their applications in photoaffinity labeling and organic synthesis. Conclusion: In spite of the extensive research on the photochemistry of fluoro aryl azides, there are some areas that remain to be investigated. The application of this reaction in the synthesis of novel heterocyclic compounds has not been fully studied. Since fluorophenyl azides are known to undergo C-H and N-H insertion reactions, they could be used to prepare new fluorinated molecules or in the biochemical process known as photoaffinity labeling.

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Zahirović, Adnan, Irnesa Osmanković, Emir Turkušić, and Emira Kahrović. "Improved method for spectrophotometric determination of ruthenium using 1,10-phenanthroline: application for analysis of complex compounds." Analytical Methods 10, no. 42 (2018): 5078–83. http://dx.doi.org/10.1039/c8ay01755g.

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10

Scrase, Tom G., Simon M. Page, Paul D. Barker, and Sally R. Boss. "Folates are potential ligands for ruthenium compounds in vivo." Dalton Trans. 43, no. 22 (2014): 8158–61. http://dx.doi.org/10.1039/c4dt00081a.

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A labile ruthenium(ii) complex has been observed to chelate to folates under physiologically relevant conditions. The diastereomeric complexes formed would interfere with the one-carbon carrying role of folate in vivo. This highlights the importance of considering small molecules alongside macromolecules when determining the chemical origins of cytotoxicity of metallodrug candidates.

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Dissertations / Theses on the topic "Ruthenium. Complex compounds. Azides"

1

Leung, Hiu-chi. "Syntheses, reactivities and biological activities of ruthenium azido, nitrido and nitrosyl complexes supported by tetradentate tertiary amine ligands." Click to view the E-thesis via HKUTO, 2010. http://sunzi.lib.hku.hk/hkuto/record/B43703732.

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Leung, Hiu-chi, and 梁曉詞. "Syntheses, reactivities and biological activities of ruthenium azido, nitrido and nitrosyl complexes supported by tetradentate tertiaryamine ligands." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2010. http://hub.hku.hk/bib/B43703732.

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Xiao, Wenbo, and 萧文博. "Ruthenium porphyrin catalyzed nitrene insertion into C-H bonds of aromatic heterocycles, aldehydes and alkanes." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2012. http://hub.hku.hk/bib/B50434317.

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Transition metal catalyzed selective nitrene insertion into C-H bonds, which allows direct incorporation of nitrogen functionality into hydrocarbons, represents an appealing methodology for C-N bond formation, a type of bond formation of great importance in organic synthesis due to the prevalence of amino groups in biologically active natural products and pharmaceuticals. Organic azides are atom-economic and an environment-benign nitrene source. This dissertation reports the use of organic azides as a nitrene source to develop a series of protocols for C-H bond functionalization by metal-catalyzed nitrene insertion, including the diimination of indoles, the phosphoramidation of aldehydes and the amination of hydrocarbons catalyzed by ruthenium porphyrins. Carbonylruthenium(II) porphyrin complex Ru(TTP)(CO) (TTP = meso-tetrakis(p-tolyl)porphyrinato dianion) is an effective catalyst for nitrene transfer to sp2 C-H bonds of indoles using aryl azides (ArN3) as a nitrene source. This “Ru(TTP)(CO) + ArN3” protocol selectively results in the diimination of indoles without the corresponding monoimination products being detected. In the presence of a catalyst Ru(TTP)(CO), the reactions of N-methylindole with ArN3 (Ar = 4-nitrophenyl; 3,5-bis(trifluoromethyl)phenyl), and reactions of a variety of N-substituted indoles with 4-nitrophenylazide, afford 2,3-diiminoindoles in good to excellent yields (up to 90%). This unique type of 2,3-diimination products was characterized by NMR spectroscopy, mass spectrometry and single crystal X-ray crystallography. The catalytic diimination product from N-methylindole and ArN3 (Ar = 3,5-bis(trifluoromethyl)phenyl) can also be obtained through stoichiometric reaction of N-methylindole with the corresponding bis(arylimido)ruthenium(VI) porphyrin, suggesting the possible involvement of RuVI(TTP)(NAr)2 intermediates in the Ru(TTP)(CO)-catalyzed diimination reactions. Dichlororuthenium(IV) porphyrin complex Ru(TTP)Cl2 efficiently catalyzes the phosphoramidation of aldehydes with phosphoryl azides (RO)2P(O)N3 via a nitrene insertion into sp2 C-H bonds of aldehydes. This represents the first study on the catalytic activity of a ruthenium(IV) porphyrin towards nitrene insertion into C-H bonds. The “Ru(TTP)Cl2 + (RO)2P(O)N3” protocol exhibits high chemoselectivity and functional group tolerability. Good to excellent product yields (up to 99%) have been obtained for the Ru(TTP)Cl2-catalyzed phosphoramidation of a wide variety of aldehydes with commercially available (PhO)2P(O)N3 (DPPA) and phosphoramidation of p-tolualdehyde with various (RO)2P(O)N3 (R = Me, Et, CCl3CH2, 4-nitrophenyl). The reaction can be scaled up by adding phosphoryl azide dropwise. The use of commercially available DPPA in this protocol offers a convenient and practical method for the synthesis of N-acylphosphoramidates. “Ru(TDCPP)Cl2 + (CCl3CH2O)2P(O)N3” (TDCPP = meso-tetrakis(2,6-dichlorophenyl)porphyrinato dianion) serves as an effective protocol for intermolecular nitrene insertion into sp3 C-H bonds of hydrocarbons. Using this protocol, a variety of hydrocarbons including cycloalkanes (such as cyclohexane) and ethylbenzenes undergo sp3 C-H amination in moderate to high yields (up to 86%). Compared with ruthenium(II) porphyrins such as Ru(TDCPP)(CO) and dirhodium carboxylates such as Rh2(OAc)4, Ru(TDCPP)Cl2 displays a markedly higher catalytic activity towards the nitrene sp3 C-H insertion with (CCl3CH2O)2P(O)N3. In addition, intramolecular nitrene insertion into sp3 C-H bond can also take place in good yields with Ru(TDCPP)Cl2 as the catalyst.
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Chemistry
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Doctor of Philosophy

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Zhang, Li. "Ruthenium-catalyzed azide-alkyne cycloaddition, and cyclometallation of 2-vinylpyridine with MCl[subscript 2](PPh[subscript 3])[subscript 3] and MHCl(PPh[subscript 3])[subscript 3] (M=Ru, Os) /." View abstract or full-text, 2008. http://library.ust.hk/cgi/db/thesis.pl?CHEM%202008%20ZHANG.

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Cheung, Ka Man. "Syntheses and reactivity of cyclometalated iridium and ruthenium complexes /." View abstract or full-text, 2005. http://library.ust.hk/cgi/db/thesis.pl?CHEM%202005%20CHEUNG.

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Leung, Wai-ho Wilkie. "Synthesis, reactivities and electrochemistry of ruthenium and osmium oxo complexes with polypyridine ligands /." [Hong Kong : University of Hong Kong], 1989. http://sunzi.lib.hku.hk/hkuto/record.jsp?B12474332.

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7

Moritz, Paul Stuart. "Substitution and redox chemistry of ruthenium complexes /." Title page, contents and summary only, 1987. http://web4.library.adelaide.edu.au/theses/09PH/09phm862.pdf.

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Lam, Ngai Man. "Synthesis, crystal structures, and reactivity of ruthenium and osmium nitrido complexes /." View abstract or full-text, 2006. http://library.ust.hk/cgi/db/thesis.pl?CHEM%202006%20LAMN.

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9

Tsujita, Hiroshi. "Studies on low-valent ruthenium complex-catalyzed cooligomerization of unsaturated compounds." 京都大学 (Kyoto University), 2007. http://hdl.handle.net/2433/136241.

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梁偉豪 and Wai-ho Wilkie Leung. "Synthesis, reactivities and electrochemistry of ruthenium and osmium oxo complexes with polypyridine ligands." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1989. http://hub.hku.hk/bib/B31231883.

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Books on the topic "Ruthenium. Complex compounds. Azides"

1

Omrcen, Tatjana. Syntheses and ring-opening reactions of alpha-fluorocyclopropyl sigma-complexes of iron: Syntheses and fluxionality studies of iron and ruthenium cyclic allenes. 1992.

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Cundari, Thomas R. Molecular orbital investigations of metal-oxo catalyzed oxidations. 1990.

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Swieter, Don. Synthesis and characterization of Amine Isocyanoborane complexes of Ruthenium (II) and Iron (II). 1991.

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4

Goldstein, Alan S. Catalytic oxidations of organic substrates by transition metal salts. 1991.

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5

Trace, Rhonda. A new synthetic methodology applied to the preparation of some novel, alkyl substituted, cyclic carbene complexes of ruthenium, tungsten, and rhenium. 1991.

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Book chapters on the topic "Ruthenium. Complex compounds. Azides"

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Pardasani, R. T., and P. Pardasani. "Magnetic properties of ruthenium complex with dihydroxyquinoxaline." In Magnetic Properties of Paramagnetic Compounds, 577–78. Berlin, Heidelberg: Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-54231-6_312.

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Pardasani, R. T., and P. Pardasani. "Magnetic properties of ruthenium(III) complex with bipyridyl." In Magnetic Properties of Paramagnetic Compounds, 468–69. Berlin, Heidelberg: Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-53971-2_242.

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Pardasani, R. T., and P. Pardasani. "Magnetic properties of ruthenium(III) complex with bipyridine." In Magnetic Properties of Paramagnetic Compounds, 470–71. Berlin, Heidelberg: Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-53971-2_243.

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Pardasani, R. T., and P. Pardasani. "Magnetic properties of ruthenium complex with bis(diphenylthiophosphoryl)amide." In Magnetic Properties of Paramagnetic Compounds, 603. Berlin, Heidelberg: Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-54231-6_325.

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Pardasani, R. T., and P. Pardasani. "Magnetic properties of ruthenium(III) complex with dihydroxy-quinoxaline." In Magnetic Properties of Paramagnetic Compounds, 652–53. Berlin, Heidelberg: Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-54231-6_351.

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Pardasani, R. T., and P. Pardasani. "Magnetic properties of oxygen centered trinuclear ruthenium(III) complex." In Magnetic Properties of Paramagnetic Compounds, 697–98. Berlin, Heidelberg: Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-54231-6_376.

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Pardasani, R. T., and P. Pardasani. "Magnetic properties of ruthenium(III) complex with 2-hydroxynaphthaldehyde." In Magnetic Properties of Paramagnetic Compounds, 478. Berlin, Heidelberg: Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-53971-2_247.

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Pardasani, R. T., and P. Pardasani. "Magnetic properties of ruthenium(III) terpyridine complex incorporating imine functionality." In Magnetic Properties of Paramagnetic Compounds, 604. Berlin, Heidelberg: Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-54231-6_326.

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Pardasani, R. T., and P. Pardasani. "Magnetic properties of ruthenium(III) terpyridine complex incorporating imine functionality." In Magnetic Properties of Paramagnetic Compounds, 605. Berlin, Heidelberg: Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-54231-6_327.

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Pardasani, R. T., and P. Pardasani. "Magnetic properties of ruthenium(III) complex with diphenyl diketone monothiosemicarbazone." In Magnetic Properties of Paramagnetic Compounds, 628–29. Berlin, Heidelberg: Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-54231-6_339.

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Conference papers on the topic "Ruthenium. Complex compounds. Azides"

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Santos, José V. Dos, Sergio R. de Lazaro, Luis H. S. Lacerda, Renan A. P. Ribeiro, Flavia Marszaukowski, Ivelise D. L. Guimarães, Karen Wohnrath, and Rene Boere. "Theoretical simulation for the [6-p-cymene)RuCl2(meapy)] complex." In VIII Simpósio de Estrutura Eletrônica e Dinâmica Molecular. Universidade de Brasília, 2020. http://dx.doi.org/10.21826/viiiseedmol2020196.

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Anticarcinogen compounds are extensively investigated in current days. Among the potential alternatives to develop effective drugs for this purpose, stands out the ruthenium (II) complex presents satisfactory anti-tumor activity. In particular, this kind of compounds has been investigated as a possible substitute for Platinum-based drugs. However, Ru (II) complexes need more investigation to understand the ligands' effect on biological environments, such as cytotoxicity, metabolism, accumulation on tumor issues, and others. Therefore, in this work, a robust DFT/B3LYP theoretical investigation was performed using GAUSSIAN09 in order to investigate the effects of the water solvent on structural and electronic properties of the (6-p-cymene)Ru(II)Cl2(meapy) complex. The results indicate meaningful structural changes regarding gas phase due to water solvation. Likewise, the electronic results suggest the minimization of the frontier orbitals energy by water solvent while the molecular orbital composition is not affected.

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Antonichen, Magno R., Sergio R. de Lazaro, Luis H. S. Lacerda, Flavia Marszaukowski, Ivelise D. L. Guimarães, Karen Wohnrath, and Rene Boere. "DFT simulations for the [6-p-cymene)RuCl2(apy)] complex." In VIII Simpósio de Estrutura Eletrônica e Dinâmica Molecular. Universidade de Brasília, 2020. http://dx.doi.org/10.21826/viiiseedmol202097.

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Anticarcinogen compounds are extensively investigated in current days. Among the potential alternatives to develop effective drugs for this purpose, stands out the ruthenium (II) complex presents satisfactory anti-tumor activity. In particular, this kind of compounds has been investigated as a possible substitute for Platinum-based drugs. However, Ru (II) complexes need more investigation to understand the ligands' effect on biological environments, such as cytotoxicity, metabolism, accumulation on tumor issues, and others. Therefore, in this work, a robust DFT/B3LYP theoretical investigation was performed using GAUSSIAN09 in order to investigate the effects of the +1 and -1 charges on structural and electronic properties of the (6-p-cymene)Ru(II)Cl2(apy) complex. The structure evaluation indicates that +1 charged complex has a slight reduction on the Ru – cymene, Ru – Cl and Ru – apy bond lengths regarding the neutral complex. On the other hand, -1 charged complex shows bond lengths very similar to the neutral compound, except by a very large distance between Ru and one Cl atom, indicating that such atoms were expelled.

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