Academic literature on the topic 'Cobalt(III) complexes'

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Journal articles on the topic "Cobalt(III) complexes"

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RAJIB, LAL DE, and KUMAR BHAR SANJIB. "Mixed-ligand Complexes of Cobalt(III) with Dimethylglyoxime." Journal of Indian Chemical Society Vol. 71, May 1994 (1994): 245–48. https://doi.org/10.5281/zenodo.5894738.

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Department ot Chemistry, lnorganic Chemistry Section, Jadavpur University, Calcutta-700 032 <em>Manuscript received 9 February 1993, revised 17 June 1993, accepted 23 June 1993</em> Mixed-ligand complexes of cobalt(III) of the types [Co(SBx)(DMGH)] and [Co(SBy)(DMGH)], where SBx = dianion of tetradentate Schiff base; SBy = monoanion of bidentate Schiff base; DMGH = monoanion of dimethylglyoxime, were isolated from the reaction of alcoholic suspension of cobalt(III) dimethylglyoximate dihydrate with Schiff bases in 1 : 1 and 1 : 2 molar ratios for SBx and SHy respectively. Further mixed-ligand
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Arderne, Charmaine, Kyle Fraser Batchelor, Bhawna Uprety, Rahul Chandran, and Heidi Abrahamse. "Reactivity trends of cobalt(III) complexes towards various amino acids based on the properties of the amino acid alkyl chains." Acta Crystallographica Section C Structural Chemistry 76, no. 7 (2020): 663–72. http://dx.doi.org/10.1107/s2053229620007123.

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The reactivity of the cobalt(III) complexes dichlorido[tris(2-aminoethyl)amine]cobalt(III) chloride, [CoCl2(tren)]Cl, and dichlorido(triethylenetetramine)cobalt(III) chloride, [CoCl2(trien)]Cl, towards different amino acids (L-proline, L-asparagine, L-histidine and L-aspartic acid) was explored in detail. This study presents the crystal structures of three amino acidate cobalt(III) complexes, namely, (L-prolinato-κ2 N,O)[tris(2-aminoethyl)amine-κ4 N,N′,N′′,N′′′]cobalt(III) diiodide monohydrate, [Co(C5H8NO2)(C6H18N4)]I2·H2O, I, (L-asparaginato-κ2 N,O)[tris(2-aminoethyl)amine-κ4 N,N′,N′′,N′′′]co
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Ali Mohamed, Ahmed Y. "STUDIES ON THE BACTERIAL ACTIVITY OF COBALT(III) COMPLEXES. PART III. COBALT(III) CARBOXYLATE COMPLEXES." Journal of Coordination Chemistry 29, no. 4 (1993): 233–46. http://dx.doi.org/10.1080/00958979308037429.

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Mohamed, Ahmed Y. Ali. "STUDIES ON THE BACTERIAL ACTIVITY OF COBALT(III) COMPLEXES. PART III. COBALT(III) CARBOXYLATE COMPLEXES." Journal of Coordination Chemistry 29, no. 3 (1993): 233–46. http://dx.doi.org/10.1080/00958979308045670.

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R., K. Nanda. "Some aspects of the coordination chemistry of cobalt(III)." Journal of Indian Chemical Society Vol. 77, Nov-Dec 2000 (2000): 657–64. https://doi.org/10.5281/zenodo.5869907.

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Department of Chemistry, Utkal University, Bhubaneswar-751 004, India <em>Manuscript received 8 November 2000</em> Octahedral cobalt(III) complexes have played a central role in the elucidation of mechanisms of inorganic reactions. Some aspects of ligand substitution and redox reactions of low-spin octahedral cobalt(III) complexes in solution are discussed. The reactions include : (i) acid and base hydrolysis of halogenoaminecobalt(m) complexes, (ii) anation of aqua-aminecobalt(iiI) ions, (iii) acid, base and metal ion catalysed hydrolysis of carboxylatoaminecobalt(iii) complexes, and (iv) oxi
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Veeralakshmi, Selvakumar, Selvan Nehru, Gopal Sabapathi, et al. "Single and double chain surfactant–cobalt(iii) complexes: the impact of hydrophobicity on the interaction with calf thymus DNA, and their biological activities." RSC Advances 5, no. 40 (2015): 31746–58. http://dx.doi.org/10.1039/c5ra02763b.

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Sushil, Kumar, and Gupta Rajeev. "Heterogeneous ring-opening reactions and Knoevenagel condensation reactions with cobalt complexes: Effect of CoII versus CoIII states on catalysis." Journal of Indian Chemical Society Vol. 95, Jul 2018 (2018): 843–52. https://doi.org/10.5281/zenodo.5642038.

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Department of Chemistry, University of Delhi, Delhi-110 007, India <em>E</em>-<em>mail:</em> rgupta@chemistry.du.ac.in <em>Manuscript received 05 July 2018, accepted 20 July 2018</em> This work illustrates comparative catalytic performance of two sets of cobalt complexes within a common macrocyclic ligand environment: Co<sup>II</sup> complexes <strong>1 </strong>and <strong>2 </strong>versus Co<sup>III</sup> complexes <strong>3 </strong>and <strong>4</strong>. All four cobalt complexes functioned as the heteroge&shy;neous catalysts for the ring-opening reactions of assorted epoxides as well as
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Salib, Kamal A. R., Samy M. Abu El-Wafa, Salah B. El-Maraghy, and Saied M. El-Sayed. "Sulfitoamine Complexes of Cobalt(III)." Phosphorus, Sulfur, and Silicon and the Related Elements 46, no. 3-4 (1989): 131–38. http://dx.doi.org/10.1080/10426508909412058.

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Massoud, Salah S., Franz A. Mautner, Morsy Abu-Youssef, and Nadia M. Shuaib. "Azido–amine–cobalt(III) complexes." Polyhedron 18, no. 17 (1999): 2287–91. http://dx.doi.org/10.1016/s0277-5387(99)00106-0.

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Lindner, Leonie, and Peter Klüfers. "Cobalt(III) Complexes ofD-Galactosylamine." Zeitschrift für anorganische und allgemeine Chemie 641, no. 11 (2015): 1869–73. http://dx.doi.org/10.1002/zaac.201500224.

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Dissertations / Theses on the topic "Cobalt(III) complexes"

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Jane, Reuben Thomas. "Cobalt(III) Complexes For Surface Engineering." Thesis, University of Canterbury. Chemistry, 2010. http://hdl.handle.net/10092/4424.

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This thesis addresses the potential for use of cobalt(III) complexes for functionalisation of lightly oxidised iron surfaces. In Chapter 2 the preparation of cobalt(III) complexes of a series of ligands based on 1,1,1-tris(aminomethyl)ethane is described. The synthesis was approached in two ways. Firstly, preparation of functionalised triol molecules as precursors to functionalised triamine ligands was investigated. This approach utilised the Tollens condensation of aldehydes with formaldehyde. In a second approach, the functionalisation of tetrakis(aminomethyl)methane in which one amine arm h
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Telfer, Shane G. "The photochemistry of cobalt(III)-aminoacidato complexes." Thesis, University of Canterbury. Chemistry, 1999. http://hdl.handle.net/10092/7818.

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The photodecarboxylation reaction of Co(III)-aminocarboxylato complexes has been examined from several angles. Firstly, the currently accepted mechanism for the formation of [Co(bpy)(CHâ‚‚NHâ‚‚)]2+, following the UV photolysis of [Co(bpy)2(gly)]2+ (bpy = 2,2'-bipyridine, gly = glycinate), has been tested. A Co(II)-bound aminocyclopropylmethyl radical, with a lifetime of around 10^-4s, has been proposed as a reaction intermediate. This assertion was tested with the use of a radical clock, derived from chelated cyclopropylglycine. If a Co(II)-bound aminocyclopropylmethyl radical is formed, it wi
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Sun, Lihui. "Synthesis and reactivity of some cobalt-, phosphorus-chiral cobalt(III) complexes." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp01/MQ34235.pdf.

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Ernst, Margot Christiana. "Ab initio calculations on chiral cobalt (III) complexes." Diss., Georgia Institute of Technology, 1992. http://hdl.handle.net/1853/27429.

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McClintock, Lisa F., and n/a. "Studies of cobalt(III) complexes containing tripodal tetraamine ligands." University of Otago. Department of Chemistry, 2008. http://adt.otago.ac.nz./public/adt-NZDU20080505.142115.

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The new Co(III) carbonate complexes [Co(uns-penp)(O₂CO)]ClO₄�H₂O and [Co(trpyn)(O₂CO)]ClO₄, containing tripodal tetraamine ligands, have been synthesised and characterised by microanalysis, �H, ��C and ⁵⁹Co NMR, mass spectrometry (MS) and UV-vis spectroscopy. In addition, the ⁵⁹Co NMR spectra have been obtained for two series of [Co(N₄)(O₂CO)]⁺ complexes containing aliphatic (N₄ = tren, baep, abap, trpn) and pyridyl (N₄ = tpa, pmea, pmap, tepa) tripodal tetraamine ligands and the complex [Co(dppa)(O₂CO)]⁺. The ⁵⁹Co NMR signal increases as [Delta] decreases, indicating there is less electron de
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McCombs, Michelle. "A 59-Cobalt NMR Investigation of the Hydrogen/Deuterium Exchange Kinetics in Cobalt(III) Complexes." TopSCHOLAR®, 2003. http://digitalcommons.wku.edu/theses/554.

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Currently, the hydrogen/deuterium exchange kinetics in cobalt(III) complexes are being investigated. In the presence of deuterated solvents, (e.g. D2 0 and CH3CH20D) the amine hydrogens in the complexes are exchanged for deuteriums. For the hexaamminecobalt(III) ion, 19 isotopmers (H18D0 to HOD 18) are possible. For the tris(ethylenediammine)cobalt(III) ion, 13 isotopmers (HI 2D0 to HOD 12) are possible. Each hydrogen/deuteruim exchange causes a shift in the observed 59Co resonance of approximately 6 ppm. The rate constant of the hydrogen-deuterium exchange for the first H-D exchange has been
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Simonato, Jean-Pierre. "Chimie de coordination de la tétraméthylchiroporphyrine avec le fer(III), le cobalt(III) et le rhodium(III) : applications à l'analyse d'énantiomères d'amines, à la complexation énantiosélective d'aminoalcools, et à la catalyse d'aziridination asymétrique." Université Joseph Fourier (Grenoble), 1999. http://www.theses.fr/1999GRE10051.

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Des complexes metalliques de la tetramethylchiroporphyrine, de symetrie et possedant des groupements meso derives du biocartol, ont ete synthetises, caracterises, et utilises dans quatre axes de recherches. _la caracterisation du complexe bis-ethanol de la tetramethylchiroporphyrine de fer(iii), en solution et en phase solide, revele que ce compose presente un etat de spin inhabituel : le spin intermediaire pur (s = 3/2). _l'insertion d'un metal diamagnetique, le cobalt(iii), coordonnant les amines au cur de la porphyrine, a permis l'analyse qualitative et quantitative de la composition de der
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Wilson-Coutts, Sarah Mary. "The Synthesis and Configuration of Some Polydentate Amino Acid Complexes of Cobalt(III)." Thesis, University of Canterbury. Chemistry, 2009. http://hdl.handle.net/10092/2788.

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This thesis reports a study of polydentate amino acid complexes of cobalt(III). The complexes prepared during this project have been characterized by a range of techniques, including ¹³C{¹H} and ¹H NMR spectroscopy, UV-visible spectroscopy, infra-red spectroscopy, elemental analysis and single crystal X-ray structure determination. A total of seven single crystal X-ray structure determinations have been performed during these studies. The imino acid polydentate complex, [Co(Aim₂trien)]₂[ZnCl₄], was reduced to the corresponding amino acid complex, [Co(A₂trien)]Cl, where as many as ten diastere
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Cai, Lezhen. "Mechanisms and salt effects in photoredox and quenching processes involving cobalt(III) complexes." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1996. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/nq21925.pdf.

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Jewiss, H. C. "Some coordination complexes of cobalt(III) and some related X-ray crystallographic studies." Thesis, University of Southampton, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.373933.

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Books on the topic "Cobalt(III) complexes"

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Shibata, M. Modern Syntheses of Cobalt (III) Complexes. de Gruyter GmbH, Walter, 2022.

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Book chapters on the topic "Cobalt(III) complexes"

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Springbørg, J., C. E. Schäffer, John M. Preston, and Bodie Douglas. "Dianionobis(ethylenediamine)cobalt(III) Complexes." In Inorganic Syntheses. John Wiley & Sons, Inc., 2007. http://dx.doi.org/10.1002/9780470132456.ch14.

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Davies, R., Masayasu Mori, A. G. Sykes, et al. "Binuclear Complexes of Cobalt(III)." In Inorganic Syntheses. John Wiley & Sons, Inc., 2007. http://dx.doi.org/10.1002/9780470132432.ch35.

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Hargens, Robert D., Woonza Min, Robert C. Henney, T. M. Brown, and A. Galliart. "Bis(ethylenediamine)sulfito Complexes of Cobalt(III)." In Inorganic Syntheses. John Wiley & Sons, Inc., 2007. http://dx.doi.org/10.1002/9780470132456.ch15.

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Dixon, N. E., W. G. Jackson, G. A. Lawrance, A. M. Sargeson, U. Goli, and E. S. Gould. "Cobalt(III) Amine Complexes with Coordinated Trifluoromethanesulfonate." In Inorganic Syntheses. John Wiley & Sons, Inc., 2007. http://dx.doi.org/10.1002/9780470132531.ch21.

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Crayton, Philip H., Fred Zitomer, and Jack Lambert. "Inner Complexes of Cobalt(III) with Diethylenetriamine." In Inorganic Syntheses. John Wiley & Sons, Inc., 2007. http://dx.doi.org/10.1002/9780470132388.ch56.

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Dey, Atanu, Shalini Tripathi, Maheswaran Shanmugam, Ramakirushnan Suriya Narayanan, and Vadapalli Chandrasekhar. "Cobalt(II)/(III)–Lanthanide(III) Complexes as Molecular Magnets." In Topics in Organometallic Chemistry. Springer International Publishing, 2018. http://dx.doi.org/10.1007/3418_2018_9.

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Dey, Atanu, Shalini Tripathi, Maheswaran Shanmugam, Ramakirushnan Suriya Narayanan, and Vadapalli Chandrasekhar. "Correction to: Cobalt(II)/(III)–Lanthanide(III) Complexes as Molecular Magnets." In Topics in Organometallic Chemistry. Springer International Publishing, 2019. http://dx.doi.org/10.1007/3418_2019_33.

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Springborg, Johan, Claus Erik Schäffer, Michael L. Wilson, J. Marcus Wharton, and William E. Hatfield. "Tetraammine and Bis(Ethylenediamine) Complexes of Chromium(III) and Cobalt(III)." In Inorganic Syntheses. John Wiley & Sons, Inc., 2007. http://dx.doi.org/10.1002/9780470132494.ch15.

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Valentine, Donald. "The Photochemistry of Cobalt(III) and Chromium(III) Complexes in Solution." In Advances in Photochemistry. John Wiley & Sons, Inc., 2007. http://dx.doi.org/10.1002/9780470133361.ch2.

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Halloran, Leon J., Arlene L. Gillie, J. Ivan Legg, Patrick J. Garnett, and Donald W. Watts. "Ethylenediamine-N,N ′-Diacetic Acid Complexes of Cobalt(III)." In Inorganic Syntheses. John Wiley & Sons, Inc., 2007. http://dx.doi.org/10.1002/9780470132494.ch17.

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Conference papers on the topic "Cobalt(III) complexes"

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Ilyushin, Mikhail, Irina Shugalei, Andrey Tverjanovich, et al. "COMMUNICATION OF INITIAL STAGES OF DECOMPOSITION OF LIGANDS OF AMMINE TETRAZOLATES COBALT (III) WITH THE INITIATING ABILITY OF COMPLEXES." In Chemistry of nitro compounds and related nitrogen-oxygen systems. LLC MAKS Press, 2019. http://dx.doi.org/10.29003/m790.aks-2019/347-351.

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Hilerio, I., M. A. Barro´n, and M. Vite. "3D Characterization of Surface State in a Knee Prosthesis." In World Tribology Congress III. ASMEDC, 2005. http://dx.doi.org/10.1115/wtc2005-63850.

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From the medical point of view it is important that the surface roughness in a knee prosthesis be small in order to reduce the wear friction due to the physical contact of the prosthesis with bone. Given the complex form of the knee prosthesis, formerly the finishing process was carried out through a manual technique. However, this technique has many drawbacks. In this work a mechanochemical method (MCM) for finishing is proposed in order to obtain a proper surface state of the prosthesis. The selected MCM consisted of a mild wear procedure which employs HLB-11 as tensoactive additive. Composi
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