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Готові списки джерел за темами / Polydentate ligands

Добірка наукової літератури з теми "Polydentate ligands"

Автор: Grafiati

Опубліковано: 18 травня 2024

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Статті в журналах з теми "Polydentate ligands"

1

Bukov, N. N., and V. T. Panyushkin. "AMBIDENTICITY OF POLYDENTATE LIGANDS." Science in the South of Russia 14, no. 1 (2018): 51–58. http://dx.doi.org/10.23885/2500-0640-2018-14-1-51-58.

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2

Senft, Laura, Jamonica L. Moore, Alicja Franke, Katherine R. Fisher, Andreas Scheitler, Achim Zahl, Ralph Puchta, et al. "Quinol-containing ligands enable high superoxide dismutase activity by modulating coordination number, charge, oxidation states and stability of manganese complexes throughout redox cycling." Chemical Science 12, no. 31 (2021): 10483–500. http://dx.doi.org/10.1039/d1sc02465e.

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Manganese complexes with polydentate quinol-containing ligands are found to catalyze the degradation of superoxide through inner-sphere mechanisms. The redox activity of the ligand stabilizes higher-valent manganese species.

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3

Rheingold, Arnold L., Brian S. Haggerty, Louise M. Liable-Sands, and Swiatoslaw Trofimenko. "N,O-Polydentate Scorpionate Ligands." Inorganic Chemistry 38, no. 26 (December 1999): 6306–8. http://dx.doi.org/10.1021/ic990881e.

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4

Burton, Stephanie G., Perry T. Kay, and Kevin Wellington. "Designer Ligands. Part 5.1Synthesis of Polydentate Biphenyl Ligands." Synthetic Communications 30, no. 3 (February 2000): 511–22. http://dx.doi.org/10.1080/00397910008087347.

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5

Volpi, Giorgio, Stefano Zago, Roberto Rabezzana, Eliano Diana, Emanuele Priola, Claudio Garino, and Roberto Gobetto. "N-Based Polydentate Ligands and Corresponding Zn(II) Complexes: A Structural and Spectroscopic Study." Inorganics 11, no. 11 (November 10, 2023): 435. http://dx.doi.org/10.3390/inorganics11110435.

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Herein, the structural and photophysical features of two N-based polydentate ligands and the corresponding Zn(II) complexes are investigated. The obtained compounds were characterized using different spectroscopic techniques and their optical properties are discussed in relation to their chemical structure, defined by single-crystal X-ray diffraction and mass spectrometry. The spontaneous and quantitative complexation, investigated by UV-Vis, fluorescence, NMR, IR spectroscopies and mass spectrometry, makes these N-based polydentate ligands interesting candidates for possible applications in chelation therapy and in Zn(II) sensors.

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6

Ure, Andrew D., Isabel Abánades Lázaro, Michelle Cotter, and Aidan R. McDonald. "Synthesis and characterisation of a mesocyclic tripodal triamine ligand." Organic & Biomolecular Chemistry 14, no. 2 (2016): 483–94. http://dx.doi.org/10.1039/c5ob01556a.

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7

Shopov, Dimitar Y., Liam S. Sharninghausen, Shashi Bhushan Sinha, Julia E. Borowski, Brandon Q. Mercado, Gary W. Brudvig, and Robert H. Crabtree. "Synthesis of pyridine-alkoxide ligands for formation of polynuclear complexes." New Journal of Chemistry 41, no. 14 (2017): 6709–19. http://dx.doi.org/10.1039/c7nj01845b.

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8

Coxall, Robert A., Steven G. Harris, David K. Henderson, Simon Parsons, Peter A. Tasker, and Richard E. P. Winpenny. "Inter-ligand reactions: in situ formation of new polydentate ligands." Journal of the Chemical Society, Dalton Transactions, no. 14 (2000): 2349–56. http://dx.doi.org/10.1039/b001404o.

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9

Ruan, Wenqing, Jiatao Mao, Shida Yang, Chuan Shi, Guochen Jia, and Qing Chen. "Designing Cr complexes for a neutral Fe–Cr redox flow battery." Chemical Communications 56, no. 21 (2020): 3171–74. http://dx.doi.org/10.1039/c9cc09704j.

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10

Matyuska, Ferenc, Attila Szorcsik, Nóra V. May, Ágnes Dancs, Éva Kováts, Attila Bényei, and Tamás Gajda. "Tailoring the local environment around metal ions: a solution chemical and structural study of some multidentate tripodal ligands." Dalton Transactions 46, no. 26 (2017): 8626–42. http://dx.doi.org/10.1039/c7dt00104e.

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Дисертації з теми "Polydentate ligands"

1

Graham, Todd Warren. "Mixed-metal complexes incorporating polydentate bridging ligands." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape7/PQDD_0028/NQ39533.pdf.

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2

Khan, Fatima K. "Coordination of polydentate ligands in organometallic clusters." Thesis, University of Cambridge, 1992. https://www.repository.cam.ac.uk/handle/1810/272800.

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3

Chen, Yang. "The syntheses and reactivity of polydentate PNNP ligands and macrocyclic polyphosphine ligands." HKBU Institutional Repository, 1998. http://repository.hkbu.edu.hk/etd_ra/220.

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4

Elder, Susan Margaret. "The coordination chemistry of some polydentate nitrogen-donor ligands." Thesis, University of Cambridge, 1990. https://www.repository.cam.ac.uk/handle/1810/272957.

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5

Ireland, David Rey. "Copper(II) and Ruthenium(II) Complexes from Polydentate Ligands." University of Dayton / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=dayton1523008522727672.

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6

Smith, Charles J. "Transition metal complexes on novel, polydentate, water-soluble, phosphine ligands /." free to MU campus, to others for purchase, 1997. http://wwwlib.umi.com/cr/mo/fullcit?p9841335.

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7

Movahed, Hazel Haghighi. "Coordination chemistry and crystal engineering with new polydentate pyrazole-based ligands." Thesis, University of Sheffield, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.522425.

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8

Das, Ananya. "Novel transition metal complexes of some B-cyclodextrin based polydentate ligands: synthesis and physico-chemical characterization." Thesis, University of North Bengal, 2021. http://ir.nbu.ac.in/handle/123456789/4333.

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9

黎寶韻 and Po-wan Lai. "Synthesis, structural characterization and photophysical properties oflanthanide complexes containing polydentate amide ligands." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2001. http://hub.hku.hk/bib/B42576180.

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10

Whitehead, Martina. "Synthesis of polydentate ligands and the formation of heterometallic and circular helicates." Thesis, University of Huddersfield, 2010. http://eprints.hud.ac.uk/id/eprint/9643/.

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Анотація:

Described herein, is the synthesis and coordination chemistry of seven novel ligands L1 - L7. These ligands form metallosupramolecular assemblies upon coordination of transition metal ions resulting in heterodi- and hetreotrimetallic double helicates and penta- and tetranuclear cyclic helicates. Described in Chapter 2 is a new class of ditopic segmental pyridyl-thiazole(py-tz) N-donor ligands L1 - L3. Reaction of L1 with ZnII ions results in the formation of a dinuclear double helicate [Zn2(L1)2]4+. Reaction of L2 with either ZnII or HgII results in the formation of the L2-containing dinuclear double helicates [Zn2(L2)2]4+ and [Hg2(L2)2]4+. However, reaction with both ZnII or HgII results in the sole formation of the heterodimetallic helicate [HgZn(L2)2]+. Both metal ions are 6-coordinate but the HgII ion is coordinated by the two py-tz-py units whereas the ZnII ion is coordinated by the py-py-tz domain. The reason that these isomeric sites have different preferences for each of the metal ions is due to the position of the thiazole unit within the terdentate domains, as in the central position the thiazole unit increases the “bite angle” of the donor unit making it more suitable for the larger HgII. Conversely the py-py-tz domain has a smaller bite angle and it more suited to the smaller ZnII ion. Reaction of L3 with ZnII, HgII and CuII results in the formation of a heterometallic trinuclear double helicate [HH-[HgCuZn(L3)2]5+. In a similar fashion to L2, the ZnII ion coordinated by the terdentate py-py-tz domain and the HgII coordinated by the py-tz-py domain. The central bipyridine unit coordinates the tetrahedral CuII ion resulting in the first reported example of a heterotrimetallic double helicate. Described in Chapter 4 is a potentially hexadentate N-donor ligand L4, which upon reaction with CdII results in the formation of a dinuclear double helicate [Cd2(L4)2]4+. In this structure the ligand partitions into two tridentate tz-py-py domains each of which coordinate a different metal ion. However, reaction of L4 with ZnII results in the formation of a pentanuclear circular helicate [Zn5(L4)5]10+, with all the five zinc ions adopting a octahedral coordination geometry arising from the coordination of the two tridentate tz-py-py domains from two different ligand strands. This difference in structure is attributed to unfavourable steric interactions which prevent the formation of [Zn2(L4)2]4+ but these unfavourable interactions are not present with the larger Cd2+ ion. Described in Chapter 5 are the potentially pentadentate and tetradentate ligands L5 and L6, respectively. The ligand L5 contains both a bidentate and tridentate binding site separated by a phenylene spacer unit. Reaction of L5 with CuII results in the formation of a pentanuclear circular helicate [Cu5(L5)5]10+. Each of the CuII ions adopts a 5-coordinate geometry formed by coordination of the bidentate domain of one ligand strand and the tridentate domain of a different ligand. As a result this gives a head-to-tail pentanuclear double helicate. Reaction of L6 and L4 (Chapter 4) with CuII results in the formation of a heteroleptic pentanuclear circular helicate [Cu5(L4)3(L6)2]10+. The cyclic array consists of five copper(II) ions, coordinated by three strands of L4 and two strands of L6. In this species four of the CuII adopt a 5- coordinate geometry arising from coordination of a tridentate domain from L4 and a bidentate domain from L6. The remaining copper ion is coordinated by two tridentate domains from L4 resulting in an octahedral coordination geometry. Described in Chapter 6 is the potentially hexadentate N-donor ligand L7 which comprises of two identical tridentate py-py-tz N3 binding domains separated by a pyrene unit. Reaction of L7 with ZnII results in the formation of a tetranuclear circular helicate [Zn4(L7)4]8+ with all four zinc metal ions adopting a six-coordinate geometry arising from the coordination of two tridentate pypy- tz units from two different ligand strands. The formation of this lower nuclearity species (e.g. tetranuclear rather than pentanuclear) is attributed to the p-stacking between the pyrene unit and the py-py-tz domain.

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Частини книг з теми "Polydentate ligands"

1

Mcauliffe, C. A., and D. G. Kelly. "From Bidentate and Polydentate Phosphorus Ligands." In Inorganic Reactions and Methods, 173–75. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2007. http://dx.doi.org/10.1002/9780470145227.ch121.

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2

Gade, Lutz H. "Modular Assembly of Chiral Catalysts with Polydentate Stereodirecting Ligands." In Molecular Catalysts, 313–42. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2014. http://dx.doi.org/10.1002/9783527673278.ch15.

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3

Fackler, J. P., and K. G. Fackler. "From Bidentate (Excluding 1,1-Dithiols) and Polydentate Sulfur Donor Ligands." In Inorganic Reactions and Methods, 97–98. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2007. http://dx.doi.org/10.1002/9780470145203.ch81.

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4

Gross, M., A. Nurhadi, and E. Graf. "New Polydentate Ligands and Comlexes: Protic and Topographic Effects on Redox Properties." In Molecular Electrochemistry of Inorganic, Bioinorganic and Organometallic Compounds, 107–19. Dordrecht: Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-011-1628-2_12.

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5

Mehrotra, R. C., and B. S. Saraswat. "From Bidentate and Polydentate Oxygen Donor Ligands (Crown Ethers, Macrocycles, 2,4-Pentanedione, etc.)." In Inorganic Reactions and Methods, 73–75. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2007. http://dx.doi.org/10.1002/9780470145203.ch61.

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6

Mcauliffe, C. A., and D. G. Kelly. "From BI- and Polydentate Phosphorus Ligands by Reactions With Complexes of the Metals." In Inorganic Reactions and Methods, 63–65. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2007. http://dx.doi.org/10.1002/9780470145227.ch39.

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7

Gooch, Jan W. "Polydentate Ligand." In Encyclopedic Dictionary of Polymers, 556. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_9025.

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8

Börner, Janna, Ines dos Santos Vieira, Ulrich Flörke, Artjom Döring, Dirk Kuckling, and Sonja Herres-Pawlis. "Zinc Complexes with Mono- and Polydentate Behaving Guanidine Ligands and Their Application in Lactide Polymerization." In ACS Symposium Series, 169–200. Washington, DC: American Chemical Society, 2011. http://dx.doi.org/10.1021/bk-2011-1063.ch011.

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9

Mehrotra, R. C., and B. S. Saraswat. "From Bidentate and Polydentate Oxygen Donor Ligands (From Polyethers and Crown Ethers, Macrocycles, 2,4-Pentanedione, etc.)." In Inorganic Reactions and Methods, 9–10. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2007. http://dx.doi.org/10.1002/9780470145203.ch10.

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10

Choudhury, Suranjan B., Christian B. Allan, Michael J. Maroney, Alden D. Woodward, and C. Robert Lucas. "Polydentate Thiolate and Selenolate Ligands, RN(CH2 CH2 S(Se)- )2 , and their Dimeric and MOnonuclear Ni(II) Complexes." In Inorganic Syntheses, 98–107. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2007. http://dx.doi.org/10.1002/9780470132630.ch16.

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Тези доповідей конференцій з теми "Polydentate ligands"

1

Bhavani, S. Durga, N. Naresh Reddy, A. Krishnam Raju, M. Radhika, P. Muralidhar Reddy, and K. Bhaskar. "Synthesis and characterization of oxo zirconium (IV) complexes of polydentate ligands." In NATIONAL CONFERENCE ON PHYSICS AND CHEMISTRY OF MATERIALS: NCPCM2020. AIP Publishing, 2021. http://dx.doi.org/10.1063/5.0060864.

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