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Journal articles on the topic 'Potential Polydentate'

Author: Grafiati

Published: 5 June 2025

Last updated: 1 August 2025

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1

Wang, S., C. Bruneau, J. L. Renaud, S. Gaillard, and C. Fischmeister. "2,2′-Dipyridylamines: more than just sister members of the bipyridine family. Applications and achievements in homogeneous catalysis and photoluminescent materials." Dalton Transactions 48, no. 31 (2019): 11599–622. http://dx.doi.org/10.1039/c9dt02165e.

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2

T., SAROJINI, and RAMACHANDRAIAH A. "Polydentate Carboxyamide Ligands as Analytical Reagents." Journal of Indian Chemical Society Vol. 70, Feb 1993 (1993): 138–41. https://doi.org/10.5281/zenodo.5910766.

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Department of Chemistry, Regional Engineering College, Warangal-506 004 <em>Manuscript received 26 May 1992, revised 11 November 1992, accepted 24 November 1992</em> Biphenyl bridged, binucleating and polydentate macromolecular ligand series, H<sub>2</sub>L, possessing two terminal -NH-CO-A- COOH, carboxyamide moieties (where A=-CH<sub>2</sub>-CH<sub>2</sub>-or -CH = CH- or <em>ortho</em>-phenylene linkage), has been synthesised and was found to be a set of potential analytical reagents as H<sub>2</sub>L suspensions for conductometric and pH-metric aqueous acid-base titrations on one band

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3

Zhu, Congqing, Caixia Yang, Yongheng Wang, et al. "CCCCC pentadentate chelates with planar Möbius aromaticity and unique properties." Science Advances 2, no. 8 (2016): e1601031. http://dx.doi.org/10.1126/sciadv.1601031.

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The coordinating atoms in polydentate chelates are primarily heteroatoms. We present the first examples of pentadentate chelates with all binding atoms of the chelating agent being carbon atoms, denoted as CCCCC chelates. Having up to five metal-carbon bonds in the equatorial plane has not been previously observed in transition metal chemistry. Density functional theory calculations showed that the planar metallacycle has extended Craig-Möbius aromaticity arising from 12-center–12-electron dπ-pπ π-conjugation. These planar chelates have broad absorption in the ultraviolet-visible–near-infrared

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4

Guedes da Silva, M. Fátima C., and Armando J. L. Pombeiro. "Redox potential parameterization in coordination compounds with polydentate scorpionate and benzene ligands." Electrochimica Acta 82 (November 2012): 478–83. http://dx.doi.org/10.1016/j.electacta.2012.05.006.

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5

Srivastava, Vinod, Raman Batheja, and Ajai K. Singh. "Synthesis and spectra of novel diorganotellurides and diorganoditellurides. Potential polydentate hybrid organotellurium ligands." Journal of Organometallic Chemistry 484, no. 1-2 (1994): 93–96. http://dx.doi.org/10.1016/0022-328x(94)87191-4.

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6

Palo, Alice, Giuseppina La Ganga, Francesco Nastasi, et al. "Unsymmetrical Dinuclear Ru II Complexes with Bridging Polydentate Nitrogen Ligands as Potential Water Oxidation Catalysts." European Journal of Inorganic Chemistry 2021, no. 9 (2021): 861–69. http://dx.doi.org/10.1002/ejic.202000931.

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7

Baral, Minati, B. K. Kanungo, and Peter Moore. "Synthesis of cis, cis-1,3,5-trisubstituted cyclohexane based chelators with polyfunctional pendant arms." Journal of Chemical Research 2005, no. 1 (2005): 43–45. http://dx.doi.org/10.3184/0308234053431149.

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Some novel organic compounds of the type: cis, cis-1,3,5-tris(X)cyclohexane, where X= –CONH(CH2)2NH2, –CONH(CH2)3NH2, –CONH(CH2)2NCH –C6H4OH, CONH(CH2)3NCHC6H4OH, which are expected to function as potential polydentate chelators have been synthesised from 1,3,5-benzenetricarboxylic acid through multi-steps reactions. 1,3,5-benzenetricarboxylic acid was reduced to cis, cis-1,3,5-tris(ethylcarboxylate)cyclohexane, which on reaction with excess of 1,2-diaminoethane and 1,2-diaminopropane afforded two new compounds. Condensation of the obtained derivatives with three equivalents of salicylaldehyde

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8

Chen, Rongqi, Xi Zhao, Juan Jiao, Yan Li, and Min Wei. "Surface-Modified Biochar with Polydentate Binding Sites for the Removal of Cadmium." International Journal of Molecular Sciences 20, no. 7 (2019): 1775. http://dx.doi.org/10.3390/ijms20071775.

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In this study, a surface chemical-modified rice husk biochar with abundant amino groups and disulfide bonds for the removal of cadmium was prepared using cystamine dihydrochloride as a modification ligand and glutaraldehyde as a crosslinker. The biochars were characterized by Fourier transform infrared spectrometry (FTIR), elemental analysis, scanning electron microscopy (SEM), X-ray photoelectron spectroscopy (XPS), thermogravimetry analysis (TGA), and nitrogen sorption (BET) before and after modification. The adsorption properties of the modified biochars for Cd (II) were investigated in det

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9

Illa, Serra, Ardiaca, Herrero, Closa, and Ortuño. "Cyclobutane-Containing Scaffolds as Useful Intermediates in the Stereoselective Synthesis of Suitable Candidates for Biomedical Purposes: Surfactants, Gelators and Metal Cation Ligands." International Journal of Molecular Sciences 20, no. 18 (2019): 4333. http://dx.doi.org/10.3390/ijms20184333.

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Efficient and versatile synthetic methodologies are reported for the preparation of products that are suitable candidates to be used as surfactants, gelators for hydroxylic solvents or metal cation ligands, with potential use in several fields including biomedical applications. The common structural feature of all the synthesized products is the presence of a cis or trans-1,2- or cis-1,3-difunctionalized cyclobutane ring. In the two first cases, the key intermediates including enantiomerically pure 1,3-diamines and 1,3-amino alcohols have been prepared from β-amino acid derivatives obtained, i

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10

Deniaud, David, Mathieu Mével, Ewen Bodio та ін. "A Rapid Microwave-Assisted Procedure for Easy Access to Nx Polydentate Ligands for Potential Application in α-RIT". Synlett 2010, № 08 (2010): 1215–18. http://dx.doi.org/10.1055/s-0029-1219813.

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11

Briand, Glen G., Andreas Decken, Whitney E. M. M. Shannon, and Eric E. Trevors. "Synthesis, structural characterization, and reactivity of (thiolato)bismuth complexes as potential water-tolerant Lewis acid catalysts." Canadian Journal of Chemistry 96, no. 6 (2018): 561–69. http://dx.doi.org/10.1139/cjc-2017-0640.

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We have synthesized bismuth complexes incorporating polydentate mono- and di-thiolate ligands and examined their utility as water-tolerant Lewis acid catalysts. The reaction of Bi(OAc)3 or Bi(NO3)3·5H2O and the corresponding mono- or di-thiol(ate) yielded the compounds [(SNNS)Bi(OAc)] (4), [(SNNSPr)Bi(OAc)] (5), [(NNS2)Bi(OAc)] (6), [(ONS2)Bi(OAc)] (7), [(ONS2)Bi(NO3)] (8), and [(NNS)2Bi][NO3] (9) [H2(SNNS) = N,N′-dimethyl-N,N′-bis(2-mercaptoethyl)ethylenediamine; H2(SNNSPr) = N,N′-diethyl-N,N′-bis(2-mercaptoethyl)propanediamine; H2(NNS2) = N,N-diethyl-N′,N′-bis(2-mercaptoethyl)ethanediamine;

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12

Rao, T. V. R. K., Chanchal Kumari, and Arjun Kumar. "Microbiocidal Studies of Some Azo Dyes." Research Journal of Chemistry and Environment 28, no. 4 (2024): 25–29. http://dx.doi.org/10.25303/284rjce025029.

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Microbiocidal potential of some azo dyes has been studied. Polydentate azo dyes viz. 1-(2’-carbo xyphenylazo)-2-naphthol, 5-(2’-carboxyphenylazo)-8-hydroxyquinoline, 5-(2’-carboxyphenylazo)salicylic acid and 4-(2’-carboxyphenylazo)resorcinol were synthesized and characterized by elemental analysis, infrared (FTIR) and 1H NMR spectral studies. The dyes were screened for antibacterial sensitivities against the Gram positive bacteria Staphylococcus aureus and Gram negative bacteria Enterobacter aerogenes and Escherichia coli at four concentrations of the dyes viz. 0.5, 1.0, 1.5 and 2.0 mg/ml, in

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13

Bredov, Nikolay S., Mikhail V. Gorlov, Andrey S. Esin, et al. "Linear 2-Ethylhexyl Imidophosphoric Esters as Effective Rare-Earth Element Extractants." Applied Sciences 10, no. 4 (2020): 1229. http://dx.doi.org/10.3390/app10041229.

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Imidophosphoric organic esters containing phosphoryl groups are potential polydentate ligands and promising extractants of rare-earth elements. For their preparation, a monophosphazene salt [PCl3=N−PCl3]+[PCl6]− and short phosphazene oligomers of the general formula [Cl–(PCl2=N)n–PCl3]+[PCl6]−, where n = 4–7, were synthesized via living cationic polymerization of Cl3P=NSiMe3 and used as starting compounds. All phosphazenes were reacted with 2-ethylhexanol to obtain the corresponding esters of imidophosphoric acids (EIPAs). The formation of imidophosphoric acids occurs due to the phosphazene-ph

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14

Khizrieva, S. S., E. V. Vetrova, S. N. Borisenko, E. V. Maksimenko, and N. I. Borisenko. "Synthesis and study of complexes of the novel Russian antiviral drug Camphecene with Plant’s Flavonoids." Chimica Techno Acta 8, no. 2 (2021): 20218202. http://dx.doi.org/10.15826/chimtech.2021.8.2.02.

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Traditionally, glycyrrhizic acid has been used to form polydentate complexes. For the first time in the presented paper, the complexation of the Plant’s Flavonoids (Quercetin (Qu) and its glycoside - Rutin (Rut)) with the novel Russian antiviral drug Camphecene (Camph) was investigated. The complexes obtained at different molar ratios were studied using UV/Vis spectroscopy. Formation of the host: guest complexes were registered: Qu and Rut molecular complexes (Camph+2Qu; Camph+2Rut) with a stability constant K = 3.3·108 M-2. Comparison of the binding constants of the obtained complexes shows t

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15

Campbell, Ross, Elaine Crosbie, Alan R. Kennedy, Robert E. Mulvey, Rachael A. Naismith, and Stuart D. Robertson. "Contrasting Reactivity of Mono- versus Bis-2,2,6,6-tetramethylpiperidide Lithium Aluminates Towards Polydentate Lewis Bases: Co-Complexation Versus Deprotonation." Australian Journal of Chemistry 66, no. 10 (2013): 1189. http://dx.doi.org/10.1071/ch13157.

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Two closely related lithium alkylaluminium amides LiAl(TMP)2iBu2 and LiAl(TMP)iBu3 (TMP: 2,2,6,6-tetramethylpiperidide) have been compared in their reactivity towards six polydentate Lewis bases containing either N or O donor atoms or a mixed N,O donor set. Seven of the twelve potential organometallic products of these reactions, which were carried out in hexane solution, have been crystallographically characterised. Three of these structures, [Li(μ-Me2NCH2CHCH2CH2CHO)(μ-TMP)Al(iBu)2], [Li(μ-Me2NCH2CH2OCH2)(μ-TMP)Al(iBu)2], and [Li(μ-Me2NCH2CH2OCHCH2NMe2)(μ-TMP)Al(iBu)2] reveal that the bis-am

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16

Titi, Abderrahim, Mouslim Messali, Rachid Touzani, et al. "Synthesis of Novel Tetra(µ3-Methoxo) Bridged with [Cu(II)-O-Cd(II)] Double-Open-Cubane Cluster: XRD/HSA-Interactions, Spectral and Oxidizing Properties." International Journal of Molecular Sciences 21, no. 22 (2020): 8787. http://dx.doi.org/10.3390/ijms21228787.

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A new double-open-cubane core Cd(II)-O-Cu(II) bimetallic ligand mixed cluster of type [Cl2Cu4Cd2(NNO)6(NN)2(NO3)2].CH3CN was made available in EtOH/CH3CN solution. The 1-hydroxymethyl-3,5-dimethylpyrazole (NNOH) and 3,5-dimethylpyrazole (NNH) act as N,O-polydentate anion ligands in coordinating the Cu(II) and Cd(II) centers. The structure of the cluster in the solid state was proved by XRD study and confirmed in the liquid state by UV-vis analysis. The XRD result supported the construction of two octahedral and one square pyramid geometries types around the four Cu(II) centers and only octahed

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17

Zhou, Chengkang. "Synthesis and application of metal-organic frameworks." Highlights in Science, Engineering and Technology 90 (April 8, 2024): 147–52. http://dx.doi.org/10.54097/w73tp380.

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Metal-organic frameworks (MOFs) are an intriguing class of materials that undergoes self-assembly, originating from polydentate organic ligands. These ligands are primarily composed of aromatic polynucleic acids and polybases, along with transition metal ions. The advancements in MOFs have diversified, employing ligands based on carboxylates or nitrogen-containing heterocyclic organic neutral ligands, resulting in materials characterized by their increased porosity and remarkable chemical stability. The research provides a comprehensive review of conventional and alternative synthesis methods,

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18

Al-Alzawi, Sarab Mahdi, Mahmoud Najim Al-Jibouri, Anaam Majeed Rasheed та Sinan Midhat Al-Bayati. "Synthesis, Characterization and Antimicrobial Activity of Complexes Metal Ions Ni(II), Zn(ΙΙ), Pd(II) and Pt(IV) with Polydentate 1,2,4-Triazole Ligand". Indonesian Journal of Chemistry 23, № 1 (2023): 210. http://dx.doi.org/10.22146/ijc.76716.

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A new ligand of 1,2,4-triazole derivative was produced by cyclization of sodium dithiocarbamate derivative of ethyl 4-ethoxy-3-nitrobenzoate with carbon disulfide in an alkaline medium. The new ligand, entitled name: L: 4-amino-5-(3-ethoxy-5-nitrophenyl)-2,4-dihydro-3H-1,2,4-triazole-3-thione, was fully characterized depending on HPLC-MS, FTIR, 1H-NMR and 13C-NMR spectroscopies. In addition, the elemental microanalysis was carried out to confirm the skeletal structure of the ligand L. A library of complexes with Ni(II), Zn(II), Pd(II), and Pt(IV) metal ions was prepared by coordination with th

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19

Orysyk, Svitlana, Vasyl Pekhnyo, Viktor Orysyk, Yuri Zborovskii, Polina Borovyk, and Vovk Mykhailo. "FUNDAMENTAL ASPECTS OF COORDINATION CHEMISTRY OF TRANSITION METALS WITH FUNCTIONALLY SUBSTITUTED THIOAMIDES (PART 2)." Ukrainian Chemistry Journal 88, no. 3 (2022): 3–27. http://dx.doi.org/10.33609/2708-129x.88.03.2022.3-27.

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In the second part of the analytical review, the influence of polydentate and N-allyl-substituted thiamides on the course of complexation reactions with platinum metal ions and Ag(I) was analyzed. The potential of the obtained coordination compounds for their application in medical and analytical chemistry is also demonstrated. The presented results are obtained on the basis of joint research performed in the Department of "Chemistry of Complex Compounds" of the V.I. Vernadsky Institute of General and Inorganic Chemistry NAS of Ukraine together with the staff of the Department of “Chemistry of

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20

Neumajer, Gábor, Gergő Tóth, Szabolcs Béni, and Béla Noszál. "Novel ion-binding C3 symmetric tripodal triazoles: synthesis and characterization." Open Chemistry 12, no. 1 (2014): 115–25. http://dx.doi.org/10.2478/s11532-013-0351-z.

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AbstractNovel C3 symmetric tripodal molecules were synthesized from cyclohexane 1,3,5-tricarboxylic acid. Utilizing click and Sonogashira reactions, ion-binding triazole and pyridazin-3(2H)-one units were incorporated to form polydentate ligands for ion complexation. The structures of the novel C3 symmetric derivatives were extensively characterized by 1H, 13C and 2D NMR techniques along with HRMS and IR. The copper(I)-binding potentials of these ligands were investigated by using them as additives in model copper(I)-catalysed azide-alkyne cycloaddition (CuAAC) reactions. The copper(I) complex

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21

Djordjevic, Aleksandar, Ivana Icevic, and Visnja Bogdanovic. "Complex with fullerenol and copper (II)." Chemical Industry 63, no. 3 (2009): 171–75. http://dx.doi.org/10.2298/hemind0903171d.

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Polyhydroxy fulleren derivates have significant potential in nanomedical application. Research of polyanion nanoparticle fullerenol C60(OH)24 is of high significance for interpretation of biological mechanisms. This paper investigated the properties of polyanion nanoparticle fullerenol C60(OH)24 as a potential polydentat ligand. Fullerenol C60(OH)24 water solutions were added in solution of [Cu(NH3)4]2+ in order to form a dark brown complex. Absorbance of [Cu(NH3)4]2+ solution was decreasing with increasing concentration of polyanion nanoparticle nanoligand fullerenol. This relation was determ

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22

Soshi, Kodama, Kosuke Kawai, Okazawa Atsushi, and Masashi Okubo. "Highly-Coordinated Iron Complex with Multidentate Ligands for Aqueous Redox Flow Battery Electrolytes." ECS Meeting Abstracts MA2024-02, no. 67 (2024): 4525. https://doi.org/10.1149/ma2024-02674525mtgabs.

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Redox flow batteries (RFBs) possess a longer cycle life than other secondary batteries owing to their limited electrode deterioration upon charge/discharge cycling. Commercial RFBs use vanadium ions as active materials, resulting in a high cost. Therefore, more abundant and less expensive iron-based complexes are desirable as catholyte active materials for RFBs. However, to develop stable iron-based aqueous electrolytes, precipitation of ferric hydroxides under a mild alkaline condition should be suppressed. One potential strategy is to use polydentate ligands that stabilizes the iron coordina

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23

Anggitami, Annisa, Dian Ayu Setyorini, Muhammad Yudhistira Azis, and Ria Sri Rahayu. "Analisis Logam Cr(III) Hasil Reduksi Cr(VI) dengan Teknik Voltammetri Lucutan Menggunakan Elektroda Pasta Karbon Termodifikasi EDTA: Studi Pendahuluan." ALCHEMY Jurnal Penelitian Kimia 17, no. 2 (2021): 185. http://dx.doi.org/10.20961/alchemy.17.2.47875.185-191.

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<p style="line-height: 1.2; margin-left: 0.35pt; margin-right: -0.1pt; text-align: justify; margin-top: 6pt; margin-bottom: 6pt;" dir="ltr"><span style="font-size: 8.5pt; font-family: 'Times New Roman'; color: #000000; background-color: transparent; font-weight: 400; font-style: normal; font-variant: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Pada penelitian ini dikembangkan suatu metode pengukuran Cr(III) menggunakan elektroda pasta karbon (EPK) yang termodifikasi EDTA yang dapat diaplikasikan dalam penentuan efektivitas reduksi limbah Cr(VI)

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He, Jie. "(Invited) Ligand Effect in Electroreduction of CO₂: N-Heterocyclic Carbene-Capped Polymers to Promote Catalytic Efficiency." ECS Meeting Abstracts MA2022-02, no. 48 (2022): 1860. http://dx.doi.org/10.1149/ma2022-02481860mtgabs.

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N-heterocyclic carbenes (NHCs) are excellent ligands that bind to a variety of transition metals with extremely high binding strength via σ donation. In my talk, I will highlight the use of two polymeric N-heretocyclic carbenes (NHC) (polydentate and monodentate) to stabilize metal nanocatalysts (Au and Pd) for efficient CO2 electroreduction in aqueous solution. Compared with other conventional ligands including thiols and amines, metal-NHC bonds are stable under reductive potentials prevent the nanoclustering of nanoparticles, which is of key importance for any practical application. In parti

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Mohsin, Nayab, Shehla Khalid, Nasir Rasool, Labiqa Aman, Aqsa Kanwal, and Muhammad Imran. "Metallo‐Organic Complexes Containing Transition Metals; Synthetic Approaches and Pharmaceutical Aspects." ChemPlusChem, February 23, 2025. https://doi.org/10.1002/cplu.202400748.

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Coordination compounds offer a flexible framework for the thoughtful design of novel therapeutic‐metallodrugs because of the unique properties of metal ions, such as their ability to coordinate with a wide range of organic ligands, variable oxidation states, a wide range of geometries, and coordination numbers. The pharmaceutical potential of a metal ion and associated substances is validated by the prevalence of various disease states linked to a metal ion's excess or deficiency within the biological system. Researchers have sought more selective, efficacious metallodrugs that cause fewer adv

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26

Mandal, Paritosh, and Jahar L. Pratihar. "Chemistry of 2,2′-(diamino)azobenzene ligand: a brief review." Reviews in Inorganic Chemistry, April 6, 2023. http://dx.doi.org/10.1515/revic-2023-0002.

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Abstract In the last few decades, transition metal complexes incorporating various azo ligands have drawn much attention. A different group of researchers designed various multidentate azo ligands and explored the coordinating behavior with transition metals of such azo ligands. Transition metal chelates have a wide range of applications in synthetic chemistry. The ligand backbone containing both azo (–N=N–) and azomethine (–CH=N–) or imine (C=N–) groups have gained remarkable impetus for research in organometallic chemistry. The transition metal chelates incorporating azo-azomethine ligands a

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27

Rees, William S., Henry A. Luten, Michael W. Carris, Celia R. Caballero, Werner Hesse, and Virgil L. Goedken. "Current Status of and Recent Results on Group 2 Source Compounds for Vapor Phase Epitaxy of Ferroelectric Thin Films." MRS Proceedings 310 (1993). http://dx.doi.org/10.1557/proc-310-375.

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AbstractMuch interest in the area of ferroelectric thin films has been generated by the recent developments in unique property observation for these materials. As deposition methods move toward potential commercialization, the importance of chemically and thermally stable at use temperature, high vapor pressure and purity, readily available and economically competitive sources for the requisite group 2 elements will emerge. This presentation entails an initial overview of the presently utilized compounds, their advantages and disadvantages. New group 2 CVD precursors have been developed based

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Dettling, Lea, Martin Papke, Moritz Ernst, Manuela Weber, and Christian Müller. "Chemoselective Post‐Synthesis Modification of Pyridyl‐Substituted, Aromatic Phosphorus Heterocycles: Cationic Ligands for Coordination Chemistry." Chemistry – A European Journal, April 10, 2024. http://dx.doi.org/10.1002/chem.202400592.

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Triazaphospholes are potential polydentate ligands due to the presence of both phosphorus and nitrogen donor atoms within the aromatic 5‐membered heterocycle. The incorporation of an additional pyridyl‐substituent opens up the possibility of a post‐synthesis modification via chemoselective and also stepwise alkylation exclusively of the nitrogen atoms. This can be controlled by the choice and by the stoichiometry of the electrophile and allows the targeted synthesis of a variety of novel mono‐ and dicationic ligands. Reaction with Cu(I)‐halides causes the formation of cuprates of the type [CuX

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Patil, Sunil, Bhushan Langi, Minakshi Gurav, and Digambar Patil. "Studies of Mixed Ligand Lanthanum Complexes: Synthesis, Spectral Interpretations and Antibacterial Study." Journal of Pharmaceutical Research International, July 15, 2021, 161–74. http://dx.doi.org/10.9734/jpri/2021/v33i37a31992.

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The mixed ligand lanthanum complexes have been synthesized using polydentate ligands. The (2Z)-2-(N-hydroxyimino)-1,2-diphenylethan-1-ol (cupron) was used as a primary ligand and L-isolucine, L-threonine, L-lysine and L-glycine were used as secondary ligands for the synthesis. Conductometry, elemental analysis, magnetic susceptibility measurements, complexometric estimation, UV-Visible spectroscopy, FTIR spectroscopy, thermal analysis and XRD methods were used for structural interpretation of all synthesized complexes. All complexes were solid and white and slight yellow in colour. They are no

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30

Bahry, Manhel, Taghreed Al-Noor, Ali Fardous, et al. "Synthesis, Characterization, and Antimicrobial Evaluation of Schiff base-mixed Ligand Complexes with Divalent Metal Ions Derived from Amoxicillin and Vanillin/Nicotinamide." Current Pharmaceutical Design 30 (May 28, 2024). http://dx.doi.org/10.2174/0113816128298883240509110406.

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Introduction: This study focuses on the development of novel antimicrobial agents. A Schiff base ligand, 6-(2-(4-hydroxy-3-methoxybenzylideneamino)-2-(4-hydroxyphenyl)acetamido)-3,3-dimethyl-7-oxo- 4-thia-1-azabicyclo [3.2.0] heptane-2-carboxylic acid, synthesized through the condensation of amoxicillin and vanillin in methanol, served as the foundation. Polydentate mixed ligand complexes were then formed by reacting the Schiff base with metal ions (Fe(II), Co(II), Ni(II), Cu(II), and Zn(II)) and nicotinamide in specific ratios. Methods: Characterization involved various techniques, such as 1H

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Ramana, Avneet K., Jeremiah P. Tidey, Geraldo M. de Lima, and Richard I. Walton. "Polymorphism and Structural Variety in Sn(II) Carboxylate Coordination Polymers Revealed from Structure Solution of Microcrystals." Small Methods, March 10, 2024. http://dx.doi.org/10.1002/smtd.202301703.

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AbstractThe crystal structures of four coordination polymers constructed from Sn(II) and polydentate carboxylate ligands are reported. All are prepared under hydrothermal conditions in KOH or LiOH solutions (either water or methanol–water) at 130−180 °C and crystallize as small crystals, microns or less in size. Single‐crystal structure solution and refinement are performed using synchrotron X‐ray diffraction for two materials and using 3D electron diffraction (3DED) for the others. Sn2(1,3,5‐BTC)(OH), where 1,3,5‐BTC is benzene‐1,3,5‐tricarboxylate, is a new polymorph of this composition and

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Aguirre, Andrea, Gabrieli Parrilha, Gabriel Braga, Raquel Gouvea Dos Santos, and Heloisa Beraldo. "Indium(III) complexes with Schiff base-derived polydentate ligands: chemotherapeutic, radiochemotherapeutic, and radiosensitizer potentials against breast tumor cells." New Journal of Chemistry, 2025. https://doi.org/10.1039/d4nj05004e.

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In the present investigation complexes [In(L1)Cl(H2O)] (1), [In(L2)Cl(H2O)]·3H2O (2), [In(L3)Cl(H2O)]·H2O (3), [In(L4)Cl(H2O)] (4), and [In(L5)Cl(H2O)] (5) with 2,6-diformylpyridine-bis(benzoylhydrazone) (H2L1), 2,6-diformylpyridine-bis(para-chloro-benzoylhydrazone) (H2L2), 2,6-diformylpyridine-bis(para-toluyl-benzoylhydrazone) (H2L3), 2,6-diacetylpyridine-bis(semicarbazone) (H2L4), and 2,6- diacetylpyridine-bis(thiosemicarbazone) (H2L5) were...

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Kapustian, A., O. Antipina, and R. Budiak. "Obtaining and characteristic of the magnesium organic forms on the basis of products of bifidobacteria processing and their metabolites." Food Science and Technology 12, no. 3 (2018). http://dx.doi.org/10.15673/fst.v12i3.1054.

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Abstract:

The possibility of obtaining bioavailable mixed ligand chelate complexes of Magnesium has been considered. As bioligands, it is proposed to use the metabolites and products of enzymatic hydrolysis of the peptidoglycans of the cell walls of Bifidobacterium bifidum AC-1670. As ligands, fragments of peptidoglycans of cell walls of bifidobacteria, which have their own immunotropic effects, were used. Destruction of bacterial cells was done by ultrasound treatment with subsequent enzymatic hydrolysis with papain. It was found that the highest content of potential ligands for chelation was obtained

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