Relevant bibliographies by topics / Mixed ligand species

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  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers

Academic literature on the topic 'Mixed ligand species'

Author: Grafiati
Published: 5 June 2025
Last updated: 1 August 2025

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Journal articles on the topic "Mixed ligand species"

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Zahid, Kanwal, Shazia Nisar, Saima Imad, Shazia Perveen, Shazia Ghaffar, and Nasreen Fatima. "Synthesis and Characterization of Homo and Mixed Ligand Complexes of Fe(III) with Hydroxypyridinone and Hydroxypyranone Type Ligands." Pakistan Journal of Scientific & Industrial Research Series A: Physical Sciences 63, no. 1 (2020): 12–17. http://dx.doi.org/10.52763/pjsir.phys.sci.63.1.2020.12.17.

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 Hydroxypyridinone and hydroxypyranone are known to be used for the treatment of iron overload by chelation therapy for a long time. Both the ligands have their own side effects when used as medicines. In the present study homo and mixed ligand complexes of both the ligands with iron were prepared and characterized by UV-visible spectrophotometry, Potentiometric study, IR spectroscopy, SEM/EDX and XRD. Overlay spectra obtained from UV-visible spectroscopy of our studied system show the formation of different types of species and confirm that mixed ligand complex is different from the oth
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M., Sivasankaran Nair, and A. Neelakantan M. "Solution behaviour of mixed ligand complexes of nickel(II) involving penicillin group drugs and sulfur containing ligands under physiological conditions." Journal of Indian Chemical Society Vol. 77, Aug 2000 (2000): 373–75. https://doi.org/10.5281/zenodo.5868329.

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Department of Chemistry, Manonmaniam Sundaranar University, Abishekapatti, Tirunelveli-627 012. India Department of Chemistry, National Engineering College, K. R. Nagar, Kovilpatti-628 503, India <em>Munuscript&nbsp;received 22 March 2000. accetped 23 April&nbsp;2000</em> Analysis of the pH-titration data obtained in aqueous perchlorate medium at <em>37&deg;&nbsp;</em>and <em>I = </em>0.15 mol din<sup>-3</sup> (NaCIO<sub>4</sub>) for Ni<sup>ll</sup>-A-B mixed ligand systems [A = 6apa or amp; B = cys, smc, pen or cya) shows the presence of mixed ligand complex species NiABH, NiAB and/or NiAB-<s
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M., Sivasankaran Nair, and Subbalakshmi G. "Multiple equilibria involved in some nickel(II) mixed ligand complex systems containing catecholic and dipeptide ligands." Journal of Indian Chemical Society Vol. 77, Jan 2000 (2000): 26–28. https://doi.org/10.5281/zenodo.5861391.

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Department of Chemistry, Manonmaniam Sundaranar University, Abishekapatti, Tirunelveli-627 012, India <em>Manuscript received 10 February 1999, accepted 9 July 1999</em> Multiple equilibrium studies on Ni<sup>II</sup>-dopamineklopa(A)-glycyl-L-tryosine and L-tyrosylglycine(B) systems show the formation of NiABH<sub>2</sub>, NiABH or NiAB mixed ligand complexes. The results indicate that dopa is ambidentate, i.e. in NiABH<sub>2</sub> species it binds the metal ion in a glycine-like mode, while it coordinates in a pyrocatecholic mode in NiABH and NiAB complexes. Dopamine(A) binds in a pyrocatech
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Seema, Kumari Yadav, Upadhayaya (Dwivedi) Neerja, Nair (Ahuja) R., and Dwivedi K. "Solution study of ternary systems involving transition metals, dipeptide and catecholic ligands." Journal of Indian Chemical Society Vol. 88, Oct 2011 (2011): 1599–603. https://doi.org/10.5281/zenodo.5790685.

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School of Studies in Chemistry, Jiwaji University, Gwalior-474 011, Madhya Pradesh, India <em>E-mail</em>: seema_chem@rediffmail.com vijaya Raje Govt. Girls P.G. College, Morar, Gwalior, Madhya Pradesh, India <em>Manuscript received 08 June 2010, revised 08 March 2011, accepted 09 March 2011</em> Glycylglycine (Giygly), L-3,4-dihydroxyphenylalanine (DOPA) and L-tyrosine (Tyr) are three important ligands in biological systems. In order to draw inference on their complexation behaviour, solution studies in mixed ligand systems involving these ligands with Ni<sup>II</sup>, Co<sup>II</sup> and Cd<
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RAMESH, PANGUNOORI, and RAM KASHI. "Mixed Ligand Chelates of N-Phosphonomethyl Glycine." Journal of Indian Chemical Society Vol. 72, Jun 1995 (1995): 375–79. https://doi.org/10.5281/zenodo.5904955.

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Department of Chemistry, Osmania University, Hyderabad-500 007 <em>Manuscript received 17 August 1993, revised 6 December 1993, accepted 29 December 1993</em> The formation constants of 1 : 1 and 1 : 2 binary ([M&middot;A] and [M-A<sub>2</sub>]) and 1 : 1 : 1 ternary metal chelates ([M&middot;A&middot;L] or [M&middot;L&#39;-A], where A = <em>N</em>-phosphonomethyl glycine (NPMG), L = glycine (Giy) and &beta;-alanine (Ala), L&#39;= 5-sulphosalicylic acid (5-SSA), oxalic acid (Oxa), 1,10-phenanthroline (Phen), 2,2&#39;-bipyridyl (Bipy) and iminodiacetic acid (lmda) and M = Co<sup>II</sup>, Ni<su
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Santiso-Quinones, Gustavo, and Rafael E. Rodriguez-Lugo. "A mixed chloride/trifluoromethanesulfonate ligand species in a ruthenium(II) complex." Acta Crystallographica Section C Crystal Structure Communications 69, no. 8 (2013): 859–61. http://dx.doi.org/10.1107/s0108270113019057.

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The compound [2-(aminomethyl)pyridine-κ2N,N′][chlorido/trifluoromethanesulfonato(0.91/0.09)][(10,11-η)-5H-dibenzo[a,d]cyclohepten-5-amine-κN](triphenylphosphane-κP)ruthenium(II) trifluoromethanesulfonate dichloromethane 0.91-solvate, [Ru(CF3SO3)0.09Cl0.91(C6H8N2)(C15H13N)(C18H15P)]CF3SO3·0.91CH2Cl2, belongs to a series of RuIIcomplexes that had been tested for transfer hydrogenation, hydrogenation of polar bonds and catalytic transfer hydrogenation. The crystal structure determination of this complex revealed disorder in the form of two different anionic ligands sharing the same coordination s
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Hamil, Abdusalam, Marei El-ajaily, Lila Basher, Asma Ramli, Miloud Miloud, and S. A. Saad. "Mixed ligand chelates using Schiff base and 2-aminobenzoic acid as ligands." Libyan Journal of Medical Research 18, no. 1 (2024): 1–17. http://dx.doi.org/10.54361/10.26719/llmr18-1.01.

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The ligands under investigation were used to form five mixed ligand chelates with some transition metal ions. The ligands and their chelates were offered to several analytical and spectroscopic tools. Based on the obtained results; an octahedral structure was proposed for all the chelates. Also, the antibacterial activity was tested on two types of bacteria; Staphylococcus aureus and E.coli species.
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Buist, Richard J., Steve C. F. Au-Yeung, and Donald R. Eaton. "The crystal field strength of the nitro ligand and the chemistry of the hexanitrocobaltate(III) anion." Canadian Journal of Chemistry 63, no. 12 (1985): 3558–67. http://dx.doi.org/10.1139/v85-584.

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The chemical and spectroscopic properties of the hexanitrocobaltate(III) anion are not in accord with the classification of the N-bonded nitrite ion as a strong field ligand. The nitro groups are rapidly displaced by other ligands, including water, and in dilute aqueous solution spontaneous reduction to Co(II) occurs. Comparison of solid state and solution vibrational and 59Co nmr spectra demonstrates that the principal species in solution is the same as in the solid. All ligands are N-bonded. However, within 2 or 3 min of dissolution new species appear. An electron transfer mechanism for liga
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Onyenze, Ugochukwu, Ifeanyi Otuokere, and Joy Emmanuel. "Synthesis, Characterization and Anti-bacterial Screening of Fe(II) Mixed Ligand Complex of Ofloxacin with Ascorbic Acid." European Journal of Scientific Research and Reviews 1, no. 2 (2024): 112. http://dx.doi.org/10.5455/ejsrr.20240607014716.

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Aim: Mixed ligand complexes play a major role in biological processes by binding with small molecules and activating the enzymes for nuclease activity. This study is aimed at synthesizing, characterizing, and the antibacterial studies of 9-Fluoro-2,3-dihydro-3-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-7H- Pyridol[1,2,3,-de]-1,4-benzoxazine-6-carboxylic acid (ofloxacin) and ascorbic acid metal complex. Methods: Iron(II) mixed ligand complex of ofloxacin and ascorbic acid was synthesized using the reflux method. The resulting complex, [Fe(Ofl)(Asc)] was characterized by its color, solubility, mel
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Davis, Carol A., Jeong Kim, Leonard F. Lindoy, Seong-Hwa Lee, and Anthony J. Leong. "Macrocyclic Ligand Design. Structure - Function Relationships Underlying the Interaction of Zinc(II), Cadmium(II), Silver(I) and Lead(II) with Mixed-Donor Macrocyclic Ligands." Australian Journal of Chemistry 51, no. 3 (1998): 189. http://dx.doi.org/10.1071/c97188.

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An investigation of the interaction of zinc(II), cadmium(II), silver(I) and lead(II) with a series of mixed-donor dibenzo-substituted macrocyclic ligands, incorporating O2N3-, O2N4-, O3N2-, O3N3-, O4N2- and O2N3S-donor sets, has been carried out. The log K values for the respective complexes in 95% methanol (I = 0·1; Et4NClO4, 25°C) have been determined potentiometrically. All ligands form 1 : 1 (metal/ligand) complexes with the above metal ions although in isolated cases species of type MLH2+ were also observed. An investigation of the effect of variation of ligand structure on the respective
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Dissertations / Theses on the topic "Mixed ligand species"

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Kafentzi, Maria Chrysanthi. "Reactive copper-oxygen species for C-H activation : influence of nuclearity and oxygen atom donor." Thesis, Aix-Marseille, 2016. http://www.theses.fr/2016AIXM4355/document.

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Les monooxygénases à cuivre sont des systèmes enzymatiques capables de transférer un atome d'oxygène à leur substrat de manière hautement régio et stéréo-spécifique. Les complexes modèles de monooxygénases à cuivre ont fourni de précieuses informations sur la structure et la réactivité des espèces «cuivre-dioxygène» impliquées dans une telle réactivité. Cependant, la découverte récente de deux nouveaux systèmes enzymatiques (LPMO et pMMO) capables d'effectuer l'activation des liaisons C-H très énergétiques a réouvert le débat sur les espèces cuivre--oxygène capables d'une telle réactivité. Dan
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Kafentzi, Maria Chrysanthi. "Reactive copper-oxygen species for C-H activation : influence of nuclearity and oxygen atom donor." Electronic Thesis or Diss., Aix-Marseille, 2016. http://www.theses.fr/2016AIXM4355.

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Les monooxygénases à cuivre sont des systèmes enzymatiques capables de transférer un atome d'oxygène à leur substrat de manière hautement régio et stéréo-spécifique. Les complexes modèles de monooxygénases à cuivre ont fourni de précieuses informations sur la structure et la réactivité des espèces «cuivre-dioxygène» impliquées dans une telle réactivité. Cependant, la découverte récente de deux nouveaux systèmes enzymatiques (LPMO et pMMO) capables d'effectuer l'activation des liaisons C-H très énergétiques a réouvert le débat sur les espèces cuivre--oxygène capables d'une telle réactivité. Dan
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Isaac, James Alfred. "Conception et synthèse de catalyseurs de cuivre bio-inspirés pour l'activation de liaisons C-H." Thesis, Université Grenoble Alpes (ComUE), 2018. http://www.theses.fr/2018GREAV068/document.

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Les adduits cuivre-oxygène dans les métallo-enzymes ont été proposés comme étant responsables de l'activation de liaisons C-H, processus qui ont un intérêt pour des applications industrielles potentielles. La première partie de ce travail est consacrée à une présentation de différentes mono-oxygénases à cuivre et de leurs complexes modèles. Récemment, des intermédiaires réactionnels ont émergé et parmi ceux-ci, des espèces de valence mixte CuIICuIII ont été proposées comme étant des espèces réactives clés pour l'activation de liaisons C-H fortes.Dans ce travail, à partir de ligands binucléants
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Gennarini, Federica. "Dioxygen reactivity of new models of copper oxygenases : electrochemical and spectroscopic studies." Thesis, Brest, 2017. http://www.theses.fr/2017BRES0108/document.

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La molécule de méthane possède la liaison C-H la plus forte parmi les hydrocarbures (BDE = 104 kcal mol-1) : son oxydation en conditions douces représente un challenge d'importance. La Méthane Monoxygénase particulaire (pMMO) est une enzyme à cuivre qui catalyse l'oxydation du méthane (CH4) en méthanol (CH3OH). Le site actif de l'enzyme est composé d'atomes de cuivre séparés par 2.6 Å. Des recherches récentes suggèrent qu'un cluster Cu2 III,II/O2 à valence mixte soit un intermédiaire-clé du cycle catalytique. L'objectif de ce travail vise à la synthèse et caractérisation de nouveaux complexes
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Book chapters on the topic "Mixed ligand species"

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Suzuki, M., and R. Noyori. "Conjugate addition–enolate-trapping reactions." In Organocopper Reagents: A Practical Approach. Oxford University PressOxford, 1995. http://dx.doi.org/10.1093/oso/9780198557579.003.0009.

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Abstract Enolate anions are one of the most widely used nucleophilic species in organic synthesis. Organocopper conjugate addition to α,β-unsaturated carbonyl compounds generates in situ metal enolates under mild conditions with the incorporation of an organic group to the β-position. Therefore, the organocopper-mediated reaction followed by the regioselective enolate trapping provides an extremely powerful tool for controlled construction of organic frameworks (see Scheme 9.1). The organocopper reagents commonly used for this tandem reaction can be divided into four general classes: (1) Grign
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Haywood, Joanna, and Andrew E. H. Wheatley. "Alkali/coinage metals – organolithium, organocuprate chemistry." In Organometallic Chemistry. The Royal Society of Chemistry, 2011. http://dx.doi.org/10.1039/bk9781849731379-00079.

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Part 1 of this chapter reviews coordination compounds of the alkali metals that contain a carbon-metal bond, looking firstly at the application of mixed alkali metal-zinc compounds in the directed metallation of a variety of compounds. The use of alkynyl, N-donor and N-heterocyclic carbene ligands is also discussed. Compounds of the coinage metals, copper, silver and gold, are discussed in Part 2 of the review. Discussion is broken down by metal, with copper being discussed first. Compounds containing, among others, alkene, amido and phosphido ligands are discussed, along with the significant
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Jomdecha Cherdppong, Cai Wenlu, Xie Shejuan, Chen Zhenmao, Phung-On Isaratat, and Pattanakul Rungrueang. "Fabrication of Imitative Stress-Corrosion Cracks for Electromagnetic NDE Using Synchrotron Deep X-Ray Lithography and Powder Metallurgy Processing." In Studies in Applied Electromagnetics and Mechanics. IOS Press, 2018. https://doi.org/10.3233/978-1-61499-836-5-80.

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This paper presents advanced methods using the deep X-ray lithography (X-ray LIGA) and the powder metallurgy processing to fabricate imitative Stress Corrosion Crack (SCC) for electromagnetic NDE as needed to be a reference specimen. A pattern of the imitative SCC was formed by using X-ray LIGA with controllable shape and size with precise details of SU-8 material. The prepared pattern was then inserted into mixed-stainless steel and Sn powders in a soft mold by using less pressure filling method. Afterward, the specimens were sintered at 1100&amp;deg;C. The results showed that these promising
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Conference papers on the topic "Mixed ligand species"

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Jeran, Marko, Melita Tramšek, and Gašper Tavčar. "Chromyl Fluoride as a Strongman Representative of the Chromium (VI) Dioxodihalides Oxidizing Agent Family." In Socratic Lectures 8. University of Lubljana Press, 2023. http://dx.doi.org/10.55295/psl.2023.i16.

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The chemistry of chromium (Cr) as a transition state element includes a variety of oxidation states and their specific colours. The general and most common oxidation states of chromium are (+6), (+3), and (+2). However, some stable compounds with (+5), (+4) and (+1) states are also known. The main species formed by chromium in the (+6) oxidation state are the chromate (CrO4 2- ) and dichromate (Cr2O7 2- ) ions. Chromium (VI) dioxodihalides represent a group of versatile oxidants that donate oxygen atoms to a variety of organic molecules. Chromium-oxotransition metal complexes in higher oxidati
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