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Journal articles on the topic 'Metal complexes'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Nabeshima, Tatsuya, Yusuke Chiba, Takashi Nakamura, and Ryota Matsuoka. "Synthesis and Functions of Oligomeric and Multidentate Dipyrrin Derivatives and their Complexes." Synlett 31, no. 17 (2020): 1663–80. http://dx.doi.org/10.1055/s-0040-1707155.

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The dipyrrin–metal complexes and especially the boron complex 4,4-difluoro-4-bora-3a,4a-diaza-s-indacene (BODIPY) have recently attracted considerable attention because of their interesting properties and possible applications. We have developed two unique and useful ways to extend versatility and usefulness of the dipyrrin complexes. The first one is the linear and macrocyclic oligomerization of the BODIPY units. These arrangements of the B–F moieties of the oligomerized BODIPY units provide sophisticated functions, such as unique recognition ability toward cationic guest, associated with cha

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2

Bhavsar, Sainath, and Sunita Pachori. "SCHIFF BASE-METAL COMPLEXES AS CATALYSTS FOR ORGANIC TRANSFORMATIONS: EXPLORING GREEN CHEMISTRY APPROACHES." RASAYAN Journal of Chemistry 18, no. 02 (2025): 966–75. https://doi.org/10.31788/rjc.2025.1829241.

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Characterization, catalytic properties, and potential applications in organic transformations adhering to the principles of green chemistry of Schiff base metal complexes are studied. Stable metal-ligand complexes were formed using Schiff base ligands derived from salicylaldehyde and primary amines, complexed with metal ions (Cu, Zn, and Ni). A variety of techniques were used to characterize the synthesized complexes, including FTIR, NMR, XRD, UV-Vis, and TGA, which proved successful metal coordination and high thermal stability. The catalytic efficiency of the copper complexes was the highest

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3

Sethi, Pooja, Rajshree Khare, and Renuka Choudhary. "Complexes of Pyrimidine Thiones: Mechanochemical Synthesis and Biological Evaluation." Asian Journal of Chemistry 32, no. 10 (2020): 2594–600. http://dx.doi.org/10.14233/ajchem.2020.22813.

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A new series of metal complexes with 1-(2-methylphenyl)-4,4,6-trimethyl pyrimidine-2-thione (2-HL1) and 1-(4-methylphenyl)-4,4,6-trimethyl pyrimidine-2-thione (4-HL2) ligands, [M(mppt)2(H2O)n] (M(II) = Cu, Mn, Co; n = 2 and M(II) = Ni, Zn; n = 0) have been synthesized using mechanochemical protocol. The complexes have been framed as [M(mppt)2(H2O)n] due to 1:2 (metal:ligand) nature of these metal complexs. Structures have been further confirmed on the basis of elemental analysis, Magnetic susceptibility measurements, electronic, infrared, far infrared, proton NMR, Mass spectral moment and ther

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4

Prema. S, Prema S., and Leema Rose. A. "Metal Complexes of Phenyl Glycine-O-Carboxylic Acid: Preparation, Characterization, Electrochemical and Biological Properties." Oriental Journal Of Chemistry 38, no. 3 (2022): 698–708. http://dx.doi.org/10.13005/ojc/380321.

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Metal complexes are the effective therapeutic compound and it became more emerging field in the drug discovery and delivery. A novel ligand phenyl-glycine -o- carboxylic acid was synthesized and further complexed with the metal (II) chlorides. The synthesized metal complexes was interpreted by FT-IR spectroscopy, Ultra Violet- visible, 1H-NMR, molar conductance, magnetic susceptibility and thermogravimetric study. The electrochemical properties of the ligand and its complexes were inquired in DMF. Antibacterial and fungal activities of the phenyl-glycine -o- carboxylic acid (ligand) and metal

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5

Irfandi, Rizal, Indah Raya, Ahyar Ahmad, et al. "Review on Anticancer Activity of Essential Metal Dithiocarbamate Complexes." Indonesian Journal of Chemistry 22, no. 6 (2022): 1722. http://dx.doi.org/10.22146/ijc.73738.

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The importance of essential metal ions and their metal complexes in the creation of prospective medical therapies has long been recognized. In chemistry, molecular biology, and medicinal fields; the interaction of metal complexes with DNA has been a subject of study. The dithiocarbamate essential metal complex is described extensively in the literature for its various benefits and advantages. With proper use of ligands, it is proven to increase the cytotoxic activity of metal complexes against cancer cells. Some researches have shown significant progress regarding the biological activities of

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6

Medjidov, A. A., R. H. Ismayilov, P. A. Fatullayeva, and D. B. Tagiyev. "REACTIVITY OF METAL COMPLEXES WITH RADICALS." Azerbaijan Chemical Journal, no. 1 (February 10, 2025): 5–24. https://doi.org/10.32737/0005-2531-2025-1-5-24.

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This review presents the results of studies on the reactivity of metal complexes with short-lived radicals (primarily peroxyl radicals) and metal complexes (mainly Cu(II) ions) with chelating nitroxide radicals. The reactions of newly synthesized paramagnetic ligands – Schiff bases derived from ortho-hydroxyaromatic aldehydes and two nitroxide radicals, 2,2,5,5-tetramethyl-3-amino-pyrrolidine-1-oxide and 2,2,6,6-tetramethyl-piperidine-4-amino-1-oxide – are discussed. It has been shown that in the derivative of the five-membered pyrrolidine radical, the radical center becomes part of the coordi

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7

Sridhar, M., P. Ramesh, K. Laxma Reddy, S. Durga, P. Muralidhar Reddy, and A. Krishnam Raju. "Synthesis, Spectral Characterization and Biological, DNA Binding, Molecular Docking and ADMET Studies of a New Benzyl (Z)-N’-((E)- 3-Ethoxy-2-Hydroxybenzylidene) Carbamohydrazonothioate and Its Co (II), Ni (II), Cu (II) and Zn (II) Metal Complexes Derived From S-Benzyl Thiosemicabazide-Salicylaldehyde." INTERNATIONAL JOURNAL OF DRUG DELIVERY TECHNOLOGY 14, no. 03 (2024): 1469–78. http://dx.doi.org/10.25258/ijddt.14.3.30.

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This study presents the synthesis, characterization, and biological evaluation of metal complexes derived from benzyl carbamohydrazonothioate. The ligand was synthesized through a condensation reaction and subsequently complexed with various metal ions, including Cu(II), Ni(II), Co(II), and Zn(II). The resulting metal complexes were characterized using a range of spectroscopic techniques, including FT-IR, UV-Vis, and NMR spectroscopy, confirming the successful coordination of the metal ions with the ligand. The structural elucidation was further supported by elemental analysis and molar conduc

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8

Prachi, Pahade, and Katolkar Parimal. "A SYSTEMATIC REVIEW ON METAL COMPLEXES OF SOME MEDICINAL COMPOUNDS." International Journal of Applied and Advanced Scientific Research (IJAASR) 5, no. 2 (2020): 9–21. https://doi.org/10.5281/zenodo.4013945.

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Metal ions plays an important role in biological processes and also in metal homeostasis. Metal imbalance in body may cause several diseases. To overcome such condition various derivatives of drugs are complexed with different metals like Cu, Zn, Mn, Ni, Co, Pt, Cd, Fe, Hg etc. Drugs like captopril, acyclovir, Biguanides, Theophylline, Chloriquine, triazole, Nicotinic acid and their derivatives hold medicinal properties such as   ant neurodegenerative, anticancer, antioxidant, antimicrobial, anti-inflammatory, and antidiabetic activities. This article shows the synthesis of some nove

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9

Halim, Abdul, Md Shahidur Rahman, Pradip K. Bakshi, and A. A. Shaikh. "Cu(II), Zn(II), and Cd(II) Complexes of L-Asparagine: Preparation, Characterization and Electrochemical Properties." Dhaka University Journal of Science 73, no. 1 (2025): 31–37. https://doi.org/10.3329/dujs.v73i1.81282.

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L-asparaginato complexes of Copper(II), Zinc(II) and Cadmium(II) were synthesized from their respective metal oxide and L-asparagine. These prepared complexes were characterized by their metal content analysis, infrared, and ultravioletvisible spectral studies, magnetic susceptibility measurement, thermal analysis, and cyclic voltammetric measurement. Physico-chemical investigations reveal that [M(OOCCHNH2CH2CONH2)2], (M = Cu(II), Zn(II), and Cd(II)) is the general formula for the complexes. L-asparagine combines with metal oxides to form bis(L-asparaginato)metal(II) complexes in which the met

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10

Sumrra, Sajjad Hussain, Muhammad Ibrahim, Sabahat Ambreen, Muhammad Imran, Muhammad Danish, and Fouzia Sultana Rehmani. "Synthesis, Spectral Characterization, and Biological Evaluation of Transition Metal Complexes of Bidentate N, O Donor Schiff Bases." Bioinorganic Chemistry and Applications 2014 (2014): 1–10. http://dx.doi.org/10.1155/2014/812924.

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New series of three bidentate N, O donor type Schiff bases(L1)–(L3)were prepared by using ethylene-1,2-diamine with 5-methyl furfural, 2-anisaldehyde, and 2-hydroxybenzaldehyde in an equimolar ratio. These ligands were further complexed with Co(II), Cu(II), Ni(II), and Zn(II) metals to produce their new metal complexes having an octahedral geometry. These compounds were characterized on the basis of their physical, spectral, and analytical data. Elemental analysis and spectral data of the uncomplexed ligands and their metal(II) complexes were found to be in good agreement with their structures

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11

Iqbal, Pervez, and Kiran Aftab. "Study of Complexation Behaviour of Lignite Extracted Humic Acid with Some Divalent Cations." Engineering Science Letter 2, no. 03 (2023): 99–104. http://dx.doi.org/10.56741/esl.v2i03.431.

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In biogeochemical cycles, humic substances are natural electron shuttles in transforming nutrients and environmental pollutants. Humic acid complexes with macro and micronutrient metals are eco-friendly organo-mineral fertilisers. This study prepared and characterised lignite-extracted humic acid-metal (Fe, Mg, Zn) complexes. The proximate analysis exhibited the moisture, volatile matter, ash and fixed carbon contents of extracted humic acid of 02.61%, 17.31%, 57.18% and 22.90%, respectively. The percentage of metal ions in humic acid complexes ranges from 3.5-7.25%. The FTIR analysis of coal-

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12

NOMURA, Mitsushiro, Satoshi HORIKOSHI, and Masatsugu KAJITANI. "Metal Dithiolene Complexes." Journal of the Japan Society of Colour Material 82, no. 7 (2009): 296–305. http://dx.doi.org/10.4011/shikizai.82.296.

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13

Trachevskii, V. V., S. V. Zimina, and E. P. Rodina. "Thiosulfate metal complexes." Russian Journal of Coordination Chemistry 34, no. 9 (2008): 664–69. http://dx.doi.org/10.1134/s1070328408090066.

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14

De Clercq, Erik. "Antiviral Metal Complexes." Metal-Based Drugs 4, no. 3 (1997): 173–92. http://dx.doi.org/10.1155/mbd.1997.173.

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The initial events (virus adsorption and fusion with the cells) in the replicative cycle of human immunodeficiency virus (HIV) can serve as targets for the antiviral action of metal-binding compounds such as polyanionic compounds (polysulfates, polysulfonates, polycarboxylates, polyoxometalates, and sulfonated or carboxylated metalloporphyrins), bicyclams and G-octet-forming oligonucleotides. The adsorption and fusion of HIV with its target cells depends on the interaction of the viral envelope glycoproteins (gp 120) with the receptors (CD4, CXCR4) at the outer cell membrane. We are currently

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15

ZURER, PAMELA. "METAL-DINITROGEN COMPLEXES." Chemical & Engineering News 75, no. 10 (1997): 9. http://dx.doi.org/10.1021/cen-v075n010.p009.

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16

Vrieze, K., and G. Van Koten. "Metal heterodiene complexes." Inorganica Chimica Acta 100, no. 1 (1985): 79–96. http://dx.doi.org/10.1016/s0020-1693(00)88296-1.

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17

Miminoshvili, È. B. "Metal hydrazide complexes." Journal of Structural Chemistry 50, S1 (2009): 168–75. http://dx.doi.org/10.1007/s10947-009-0205-x.

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18

Denninger, U., J. J. Schneider, G. Wilke, R. Goddard, R. Krömer, and C. Krüger. "Transition metal complexes." Journal of Organometallic Chemistry 459, no. 1-2 (1993): 349–57. http://dx.doi.org/10.1016/0022-328x(93)86088-y.

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19

Sherrington, D. C. "Supported metal complexes." Reactive Polymers, Ion Exchangers, Sorbents 9, no. 2 (1988): 221–22. http://dx.doi.org/10.1016/0167-6989(88)90037-2.

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20

Panova, Yu S., A. V. Sheyanova, V. V. Sushev, N. V. Zolotareva, A. V. Cherkasov, and A. N. Kornev. "Metal phosphinohydrazone complexes." Russian Chemical Bulletin 69, no. 10 (2020): 1897–906. http://dx.doi.org/10.1007/s11172-020-2976-3.

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21

Leigh, G. J. "Macromolecule-metal complexes." Journal of Organometallic Chemistry 525, no. 1-2 (1996): 303. http://dx.doi.org/10.1016/s0022-328x(96)06448-0.

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22

Seppelt, Konrad. "Metal-Xenon Complexes." Zeitschrift für anorganische und allgemeine Chemie 629, no. 14 (2003): 2427–30. http://dx.doi.org/10.1002/zaac.200300226.

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23

Peng, Shie-Ming, Shao-An Hua, and Ming-Chuan Cheng. "From homonuclear metal string complexes to heteronuclear metal string complexes." Acta Crystallographica Section A Foundations and Advances 71, a1 (2015): s462. http://dx.doi.org/10.1107/s2053273315093183.

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24

Hua, Shao-An, Ming-Chuan Cheng, Chun-hsien Chen, and Shie-Ming Peng. "From Homonuclear Metal String Complexes to Heteronuclear Metal String Complexes." European Journal of Inorganic Chemistry 2015, no. 15 (2015): 2510–23. http://dx.doi.org/10.1002/ejic.201403237.

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25

Hua, Shao-An, Ming-Chuan Cheng, Chun-hsien Chen, and Shie-Ming Peng. "From Homonuclear Metal String Complexes to Heteronuclear Metal String Complexes." European Journal of Inorganic Chemistry 2015, no. 15 (2015): 2498. http://dx.doi.org/10.1002/ejic.201500458.

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26

Haruna, A., Rumah, M.M., Sani, U., and Ibrahim, A.K. "Synthesis, Characterization and corrosion Inhibition Studies on Mn (II) and Co (II) Complexes Derived from 1-{(Z)-[(2-hydroxyphenyl) imino]methyl}naphthalen-2-ol in 1M HCl Solution." International Journal of Biological, Physical and Chemical Studies 3, no. 1 (2021): 09–18. http://dx.doi.org/10.32996/ijbpcs.2021.3.1.2.

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Schiff base derived from the reaction of 2-amino phenol and 2-hydroxy-1-naphthaldehyde and its Co (II), and Mn (II) complexes have been synthesized and characterized by solubility test, melting point/ decomposition temperatures, molar conductance, IR and magnetic susceptibility. The number of ligands coordinated to the metal ion was determined using Job’s method of continuous variation. Their molar conductance values indicate that all the complexes are non-electrolytes. Magnetic moment values of the complexes showed that both Mn (II) and Co (II) are paramagnetic. The spectroscopic data of meta

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27

Salomanravi, A., R. Nandini Asha, V. Veeraputhiran, and P. Muthuselvan. "NOVEL Co(II) Ni(II) AND Cu(II) COMPLEXES OF TRIDENTATE ONS DONOR SCHIFF BASE LIGANDS: SYNTHESIS, CHARACTERIZATION, DNA CLEAVAGE, MOLECULAR DOCKING, ANTIOXIDANT AND ANTIMICROBIAL STUDIES." Journal of Advanced Scientific Research 13, no. 01 (2022): 167–76. http://dx.doi.org/10.55218/jasr.202213118.

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A new Schiff base ligand 2-((2-furylmethylene)amino)benzenethiol of the type ONS has been synthesized from 2- aminothiophenol and 2-furfuraldehyde and complexed with Co(II), Ni(II) and Cu(II) metal ions. The synthesized ligand and complexes [Co(II),Ni(II) 8Cu(II)] were characterized using various spectral techniques viz., IR, NMR, EI-MS and thermogravimetric analysis. The geometry of the synthesized complexes was confirmed by electronic spectra, magnetic moment measurements and EPR analysis. DNA cleavage studies were performed using Gel electrophoresis method. The antibacterial activity of all

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28

Abd El-Hameed, Faten S. M. "TELLURITO COMPLEXES: BASIC METAL PYROTELLURITO COMPLEXES." Phosphorus, Sulfur, and Silicon and the Related Elements 119, no. 1 (1996): 241–48. http://dx.doi.org/10.1080/10426509608043481.

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29

Pinky and Anita Rani. "Macrocyclic Metal Complexes of Tetradentate Hydrazone Ligand: Synthesis, Characterization and its Applications." Asian Journal of Chemistry 36, no. 6 (2024): 1359–65. http://dx.doi.org/10.14233/ajchem.2024.31562.

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The condensation reaction between dimethyl tetraphthalate and hydrazine hydrate results in the formation of 4-formylbenzohydrazide, which was refluxed with malonic acid to obtain novel hydrazone ligand (FBH-L). The ligand was further subjected to coordinate with two metal salts viz. ZrCl4 and NiCl2 to synthesize respective transition metal(II) complexes. The ligand and its metal complexes were characterized by various spectral and analytical techniques like UV, FTIR, 1H NMR, 13C NMR, mass spectrometry, etc. The synthesized complexe were evaluated for their antibacterial and anti-angiogenic pro

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30

Pasynskii, A. A., F. S. Denisov, Yu V. Torubaev, et al. "Antiferromagnetic complexes with metalmetal bonds." Journal of Organometallic Chemistry 612, no. 1-2 (2000): 9–13. http://dx.doi.org/10.1016/s0022-328x(00)00341-7.

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31

Chipman, Jill A., and John F. Berry. "Paramagnetic Metal–Metal Bonded Heterometallic Complexes." Chemical Reviews 120, no. 5 (2020): 2409–47. http://dx.doi.org/10.1021/acs.chemrev.9b00540.

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32

Pasynskii, A. A., I. V. Skabitski, Yu V. Torubaev, et al. "Antiferromagnetic complexes with metal–metal bonds." Journal of Organometallic Chemistry 671, no. 1-2 (2003): 91–100. http://dx.doi.org/10.1016/s0022-328x(03)00048-2.

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33

Kokkes, Maarten W., Wim G. J. De Lange, Derk J. Stufkens, and Ad Oskam. "Photochemistry of metal—metal bonded complexes." Journal of Organometallic Chemistry 294, no. 1 (1985): 59–73. http://dx.doi.org/10.1016/0022-328x(85)88053-0.

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34

Pasynskii, A. A., I. L. Eremenko, S. E. Nefedov, et al. "Antiferromagnetic complexes with metal-metal bonds." Journal of Organometallic Chemistry 444, no. 1-2 (1993): 101–5. http://dx.doi.org/10.1016/0022-328x(93)83061-y.

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35

Andréa, Ronald R., Hero E. de Jager, Derk J. Stufkens, and Ad Oskam. "Photochemistry of metalmetal bonded complexes." Journal of Organometallic Chemistry 316, no. 3 (1986): C24—C28. http://dx.doi.org/10.1016/0022-328x(86)80510-1.

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36

Eremenko, I. L., A. A. Pasynskii, A. S. Katugin, et al. "Antiferromagnetic complexes with metalmetal bonds." Journal of Organometallic Chemistry 365, no. 3 (1989): 325–40. http://dx.doi.org/10.1016/0022-328x(89)87031-7.

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37

Pasynskii, A. A., I. L. Eremenko, E. E. Stomakhina, et al. "Antiferromagnetic complexes with metalmetal bonds." Journal of Organometallic Chemistry 406, no. 3 (1991): 383–90. http://dx.doi.org/10.1016/0022-328x(91)83126-o.

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38

Pasynskii, A. A., I. L. Eremenko, V. R. Zalmanovitch, et al. "Antiferromagnetic complexes with metalmetal bonds." Journal of Organometallic Chemistry 414, no. 1 (1991): 55–63. http://dx.doi.org/10.1016/0022-328x(91)83241-u.

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39

Eremenko, I. L., A. A. Pasynskii, E. A. Vas'utinskaya, et al. "Antiferromagnetic complexes with metalmetal bonds." Journal of Organometallic Chemistry 411, no. 1-2 (1991): 193–205. http://dx.doi.org/10.1016/0022-328x(91)86018-l.

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40

Zirngast, Michaela, Christoph Marschner, and Judith Baumgartner. "Spectroscopic and Structural Study of Some Oligosilanylalkyne Complexes of Cobalt, Molybdenum and Nickel." Molecules 24, no. 1 (2019): 205. http://dx.doi.org/10.3390/molecules24010205.

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Metal induced stabilization of α-carbocations is well known for cobalt- and molybdenum complexed propargyl cations. The same principle also allows access to reactivity enhancement of metal coordinated halo- and hydrosilylalkynes. In a previous study, we have shown that coordination of oligosilanylalkynes to the dicobalthexacarbonyl fragment induces striking reactivity to the oligosilanyl part. The current paper extends this set of oligosilanylalkyne complexes to a number of new dicobalthexacarbonyl complexes but also to 1,2-bis(cyclopentadienyl)tetracarbonyldimolybdenum and (dippe)Ni complexes

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41

Sacarescu, Liviu, Rodinel Ardeleanu, Gabriela Sacarescu, Mihaela Simionescu, and Ionel Mangalagiu. "Polysilane–Metal Complexes for Organic Semiconductors." High Performance Polymers 19, no. 5-6 (2007): 501–9. http://dx.doi.org/10.1177/0954008306081193.

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New polysilane-metal complexes structures were obtained by the polycondensation reaction of α,ω-bis(chloromethyl)-polymethylphenylsilane with the Ni (II) complex of bis(salicylidene)ethylenedia-mine (salen). The chloro-functionalized polysilane was obtained by a modified Wurtz coupling procedure at low temperatures. To obtain the polymer-metal complex the resulted macroligand was complexed with metal cations. This structure is characterized by a highly localized electroactivitry in the redox moiety combined with a specific σ conjugative effect in the polysilane chain. Infrared, 1H NMR and UV-v

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42

Schreiber, A., H. Rauter, M. Krumm, S. Menzer, E. C. Hillgeris, and B. Lippert. "Multinuclear Metal Nucleobase Complexes." Metal-Based Drugs 1, no. 2-3 (1994): 241–46. http://dx.doi.org/10.1155/mbd.1994.241.

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Of all properties of metal nucleobase complexes, formation of multinuclear species appears to be an outstanding feature. After a brief introduction into well known polymeric metal nucleobase complexes, three aspects recently Studied in our laboratory will be dealt with in more detail: (i) Heteronuclear complexes derived from trans-[(amine)2Pt(1-MeC)2]2+ (1-MeC=1-methylcytosine). They form, e. g. with Pd(II) or Hg(II), upon single deprotonation of the exocyclic amino group of each 1-MeC ligand, compounds of type trans-[(amine)2Pt(1-MeC-)2MY]n+, displaying Pt-M bond formation. (ii) Cyclic nucleo

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43

BURGER, J., C. GACK, A. GREISSELMANN, et al. "ChemInform Abstract: Polyol-Metal Complexes. Part 29. Carbohydrate-Complexed Heavy Metal Catalysts." ChemInform 29, no. 49 (2010): no. http://dx.doi.org/10.1002/chin.199849329.

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44

G, VENKATESA PRABHU, and VENKAPPAYYA D. "Metal Complexes of Piperidinobenzylurea." Journal of Indian Chemical Society Vol. 72, Aug 1995 (1995): 511–14. https://doi.org/10.5281/zenodo.5908766.

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Department of Chemistry, RegionaI Engineering College, Tiruchirapalli-620 015 <em>Manuscript received 30 August 1993, accepted 9 february 1994</em> Some six/four-coordinated Mn<sup>II</sup> Cu<sup>ll</sup>, Ni<sup>ll</sup> and Cu<sup>II</sup> complexes of piperidinobenzylurea, a Mannich base derived from urea, piperidine and benzaldehyde, have been synthesised and screened tor their antibacterial activity. The complexes exhibit two types, of stoichiometry, viz. M.2L and M.L. A few complexes contained coordinated water molecules. The geometries of the complexes have been pro

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45

Mustapha, Abdullahi, John Reglinski, and Alan R. Kennedy. "Metal complexes as potential ligands: The deprotonation of aminephenolate metal complexes." Inorganic Chemistry Communications 13, no. 4 (2010): 464–67. http://dx.doi.org/10.1016/j.inoche.2010.01.009.

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46

Mansoor Ahmed Zi Ning Lei, Mansoor Ahmed Zi Ning Lei, Mohsin Ali Mohsin Ali, Syed Imran Ali Syed Imran Ali, et al. "Synthesis, Characterization and Anticancer Activity of Isonicotinylhydrazide Metal Complexes." Journal of the chemical society of pakistan 41, no. 1 (2019): 113. http://dx.doi.org/10.52568/000706/jcsp/41.01.2019.

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This study focuses characterization of iron (II), iron (III), cobalt (II), copper (II) and nickel (II) complexes of Isoniazid (INH) and studying their spectroscopic as well as physiochemical properties. FTIR studies showed that INH binds the metal from oxygen of carbonyl group and nitrogen of amino group. The proton NMR spectra of the metal complexes confirmed the conversion of ligand molecules into their respective metal complexes. However, pattern of splitting and shapes of peaks was observed but the protons resonated in the expected region. XRD patterns may be concluded that the complexes a

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47

A, K. BANERJEE, KUMAR GHOSH MOHIT, and K. ROY S. "Metal Complexes as Ligands : Polynuclear Alkali Metal Complexes with Nickel(II) Chelates." Journal of Indian Chemical Society Vol. 71, June-Aug 1994 (1994): 435–39. https://doi.org/10.5281/zenodo.5895637.

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Chemistry Department, Patna University, Patna-800 005 <em>Manusript received 18 November 1993</em> Some nickel(II) complexes with O-N donor ligands (salicylaldoxime, glycine and β-alanine) and having oxygen-bridges with polymeric structures, depolymerise under suitable conditions and break up into monomers. These monomers in situ, behave as a single and double faced bidentate oxygen donor Lewis bases, and combine with partially covalent bonded alkali metal cations, to form oxygen-bridged polynuclear complexes. The spectral and magnetic moment studies indicate that the polymerised nickel(n

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Reham Z. Hamza, Zain A. Sheshah, Reham H. Suleman, Norah F. Al-Juaid, Nejoud A. Hamed, and Maram A. Al-Juaid. "Efficacy of some antibiotics and some metal complexes (Nano-formula) that could increase their effectiveness during COVID-19." International Journal of Biological and Pharmaceutical Sciences Archive 3, no. 1 (2022): 008–14. http://dx.doi.org/10.53771/ijbpsa.2022.3.1.0021.

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Medicinal applications of metals and their complexes are of elevating clinical importance especially during COVID-19 pandemic. Antibiotics like (Ceftriaxone "CFx"– Erythromycin"Ery") chemically complexes with different metals by using methanol and continuous stirring for 3 h and then the colored precipitates were obtained and then dried for further chemical analysis and confirming the chemical structure by TEM analysis and then measuring total antioxidant capacity of the complex and performing DPPH assay for the antibiotic drug and its different metal complexes like Se (II) , Mg(II) and Zn (II

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Sanjeev, A., N. Naresh Reddy, M. Kumara Swamy, Rohini Rondla, S. Ranga Reddy, and P. Muralidhar Reddy. "Synthesis, Characterization and in vitro Anticancer Studies of New Co(II), Ni(II), Cu(II) and Zn(II) Complexes of (E)-4-((Quinoline-8-ylimino)methyl)benzene-1,2,3-triol Ligand." Asian Journal of Organic & Medicinal Chemistry 6, no. 4 (2021): 250–58. http://dx.doi.org/10.14233/ajomc.2021.ajomc-p345.

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Herein, a new tridentate (NNO) Schiff base ligand, (E)-4-[(quinoline-8-ylimino)methyl]benzene-1,2,3- triol derived from the condensation of 8-aminoquinoline with 2,3,4-trihydroxy benzaldehyde is reported. The ligand was complexed with certain metal ions like Co(II) (1), Ni(II) (2), Cu(II) (3), Zn(II) (4) and were characterized by various spectroscopic and analytical techniques such as FT-IR, UV-Vis, 1H NMR, 13C NMR, ESI-Mass, ESR, elemental analysis and magnetic susceptibility. Spectral data revealed octahedral geometry for cobalt(II), nickel(II), copper(II) complexes and tetrahedral geometry

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McCann, Malachy, Majella Geraghty, Michael Devereux, Denis O'Shea, James Mason, and Luzveminda O'Sullivan. "Insights Into the Mode of Action of the Anti-Candida Activity of 1,10-Phenanthroline and its Metal Chelates." Metal-Based Drugs 7, no. 4 (2000): 185–93. http://dx.doi.org/10.1155/mbd.2000.185.

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Metal complexes of malonie acid (metal = Mn(II), Co(II), Ni(II), Cu(II), Zn(II), Ag(I)) were prepared and only the Ag(I) complex inhibited the growth of Candida albicans. Malonate complexes incorporating the chelating 1,10-phenanthroline (1,10-phen) ligand showed a range of activities: good (Mn(II), Cu(II), Ag(I)); moderate (Zn(II)); poor (Co(II), Ni(II)). Metal-free 1,10-phen and Ag(CH3CO2) were also highly active. The metal-free non-chelating ligands 1,7- phenanthroline and 4,7-phenanthroline were inactive and the Cu(II), Mn(II) and Zn(II) complexs of 1,7-phen displayed only marginal activit

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