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Journal articles on the topic 'Tripodal Schiff base ligand'

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Published: 5 June 2025

Last updated: 1 August 2025

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1

Xu, Xiaoling, Chunyang Bao, Mei Hong, Die Li, and Qiang Zhang. "A tripodal heptadentate Schiff base as an active ligand for atom transfer radical polymerization." Polymer Chemistry 11, no. 39 (2020): 6356–64. http://dx.doi.org/10.1039/d0py01022g.

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2

BAL, Mustafa, and Ayşegül KÖSE. "Tripodal Schiff Base Compounds Containing Triazole and Mn3+ and Fe3+ Complexes: Synthesis, Characterization, and Investigation of Their Spectral Properties." Journal of the Institute of Science and Technology 13, no. 1 (2023): 482–93. http://dx.doi.org/10.21597/jist.1181421.

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In this study, it was aimed to synthesize and elucidate the structure of tripodal Schiff bases, which are used in the fields of materials science, chemistry, and pharmacology, and especially for the synthesis of chemical sensor materials due to their very good tendency to form complexes with metals. For the synthesis of new Schiff base tripodal compounds and their complexation with metals; Tripodal compound was synthesized as a result of the reaction of 2-hydroxy-4-(prop-2-yn-1-yloxy) benzaldehyde and N1, N1-bis(2-aminoethyl) ethane-1,2-diamine. The obtained compounds were complexed with Fe3+

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3

Stock, Philipp, Andreas Erbe, Manfred Buck, et al. "Thiocyanate Anchors for Salt-like Iron(II) Complexes on Au(111): Promises and Caveats." Zeitschrift für Naturforschung B 69, no. 11-12 (2014): 1164–80. http://dx.doi.org/10.5560/znb.2014-4159.

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Abstract The formation of self-assembled monolayers (SAMs) on Au(111) from solution has been investigated for two ionic iron(II) complexes of the type [Fe(L)](BF4)2, where L is tripodal hexadentate and contains three thiocyanate anchor groups. The ligands (L1, L2; donor set: N6) are obtained by Schiff base condensation of a tripodal triamine (L1: tris-(2-aminoethyl)amine, ‘tren’; L2: 1,1′,1″- trimethyl(thiophosphoryl)trihydrazide) with 5-(4-thiocyanatobutoxy) pyridine-2-carbaldehyde. Layers of the complexes adsorbed on Au(111) from methanol solution have been characterised using scanning tunne

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4

Kanesato, Masatoshi, Keiko Nagahara, and Midori Goto. "Synthesis, Characterization and Emission Properties of a Mixed Metal Complex of Europium (III) and Terbium (III) with a Tripodal Heptadentate Schiff Base Ligand." Advanced Materials Research 463-464 (February 2012): 326–30. http://dx.doi.org/10.4028/www.scientific.net/amr.463-464.326.

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The preparation and characterization of a novel mixed metal complex of europium (III) and terbium (III) of a tripodal heptadentate Schiff-base ligand N [CH2CH2N=CH (2-OH-3-MeC6H3)]3 (H3L1) have been studied. The complex was prepared by the reaction of [EuL1] and [TbL1] in N, N-dimethylformamide. The ratio of europium (III) to terbium (III) in the mixed metal complex was found to be 3 to 7. The molecular structure of [Eu0.3Tb0.7L1] was determined by X-ray crystallography. The crystal structure analysis revealed that the Schiff-base behaves as a tri-deprotonated heptadentate ligand encapsulating

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5

Faizova, Radmila, Sarah White, Rosario Scopelliti, and Marinella Mazzanti. "The effect of iron binding on uranyl(v) stability." Chemical Science 9, no. 38 (2018): 7520–27. http://dx.doi.org/10.1039/c8sc02099j.

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The tripodal heptadentate Schiff base trensal<sup>3−</sup> ligand allowed the synthesis and characterization of stable uranyl(v) complexes presenting UO<sub>2</sub><sup>+</sup>⋯K<sup>+</sup> or UO<sub>2</sub><sup>+</sup>⋯Fe<sup>2+</sup> cation–cation interactions. The presence of Fe<sup>2+</sup> bound to the uranyl(v) oxygen leads to increased stability with respect to proton induced disproportionation and to an increased range of stability of the uranyl(v) species with respect both to oxidation and reduction reactions.

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6

Kaur, Kirandeep, and Minati Baral. "Synthesis of Imine-Naphthol Tripodal Ligand and Study of Its Coordination Behaviour towards Fe(III), Al(III), and Cr(III) Metal Ions." Bioinorganic Chemistry and Applications 2014 (2014): 1–10. http://dx.doi.org/10.1155/2014/915457.

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A hexadentate Schiff base tripodal ligand is synthesized by the condensation of tris (2-aminoethyl) amine with 2-hydroxy-1-naphthaldehyde and characterized by various spectroscopic techniques like UV-VIS, IR, NMR, MASS, and elemental analysis. The solution studies by potentiometric and spectrophotometric methods are done at 25 ± 1°C,µ=0.1 M KCl, to calculate the protonation constants of the ligand and formation constants of metal complexes formed by the ligand with Fe(III), Al(III), and Cr(III) metal ions. The affinity of the ligand towards Fe(III) is compared with deferiprone (a drug applied

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7

Soma, Deoghoria, Sain Sushama, K. Karmakar Tapan, K. Bera Sujit, and K. Chandra Swapan. "Synthesis, structure, spectra and redox behavior of a ruthenium(III) complex with a tripodal Schiff base ligand." Journal of Indian Chemical Society Vol. 79, Nov 2002 (2002): 857–59. https://doi.org/10.5281/zenodo.5847669.

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Department of Chemistry, The University of Burdwan, Burdwan-713 104, India E-mail : dr_swapan@sify.com                        Fax: 91-342-530452 <em>Manuscript received 27 July 2001; revised 11 June 2002, accepted 12 July 2002</em> The reaction of equimolar proportion of septadentate tripodal Schiff base ligand, tris[2-salicylidene(amino)ethyllamine, H<sub>3</sub>L (1) and RuCI<sub>3</sub>.3H<sub>2</sub>O in refluxing methanol in presence of alkali has afforded a dark coloured compound of composition [Ru<sup>III</sup>L].CH<sub>2<

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8

Parr, Jonathan, Andrew T. Ross, and Alexandra M. Z. Slawin. "Complexes of Indium (III) with Tripodal Schiff Base Ligands." Main Group Chemistry 2, no. 4 (1998): 243–49. http://dx.doi.org/10.1080/10241229812331341429.

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9

Karashimada, Ryunosuke, Takafumi Kambe, Chikai Igarashi, Atsuko Masuya-Suzuki, and Nobuhiko Iki. "Enhanced TbIII-centered Luminescence due to Elongated Methylene Arms of Tripodal Schiff Base Ligand." Chemistry Letters 50, no. 7 (2021): 1382–84. http://dx.doi.org/10.1246/cl.210150.

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10

Mohammad, Habib, Sain Sushama, Das Babulal, and K. Chandra Swapan. "Benign routes for the syntheses of polydentate Schiff base and their lanthanide complexes." Journal of Indian Chemical Society Vol. 88, Oct 2011 (2011): 1501–8. https://doi.org/10.5281/zenodo.5790430.

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Department of Chemistry, Visva Bharati University, Santiniketan-731 235, West Bengal, India <em>E-mail</em>: dr_swapan@sify.com Fax : 91-3463-262728 Department of Chemistry, Indian Institute of Technology, Guwahati-781 039, Assam, India <em>Manuscript received 13 July 2010, revised 16 March 2011, accepted 30 March 2011</em> Tris-imine septadentate Schiff base ligand bas conveniently made In high yield ( ~95% or more), when tris(2-aminoetbyl)amine condensed with salicylaldehyde using 1 : 3 molar ratio under solvent free conditions. Lanthanide complexes have also synthesised by a unique procedur

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11

Popa, Ana Diana, and Augustin M. Mădălan. "Silver(I) complexes with a luminescent tripodal Schiff base ligand derived from fluorene-2-carboxaldehyde." Polyhedron 220 (July 2022): 115849. http://dx.doi.org/10.1016/j.poly.2022.115849.

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12

Sarkar, Shuranjan, Dohyun Moon, Seog K. Kim, Myoung Soo Lah, and Hong‐In Lee. "Spontaneous Resolution Induced by a Chiral Ni(II) Complex with an Achiral Tripodal Ligand^#." Bulletin of the Korean Chemical Society 36, no. 3 (2015): 838–42. http://dx.doi.org/10.1002/bkcs.10157.

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A chiral nickel(II) complex, [Ni(II)H3L](ClO4)2 (1), with an achiral ligand H3L (=tris{2‐(4‐imidazolyl)methyliminoethyl}amine) was synthesized by in situ reaction between nickel(II) perchlorate hexahydrate and a condensation mixture of 4‐imidazolecarboxaldehyde and tris(2‐aminoethyl)amine. Single crystal X‐ray analysis revealed that the H3L ligand hexadentately binds to Ni(II) ion through three Schiff‐base imine N atoms and three imidazole N atoms with distorted octahedral geometry. Both single‐crystal X‐ray diffraction and circular dichroism investigations found that the crystal of complex 1

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13

Parr, Jonathan, Andrew T. Ross, and Alexandra M. Z. Slawin. "Hydrolysis, oxidation and complexation: the reactions of tin(II) chloride with a tripodal Schiff base ligand." Inorganic Chemistry Communications 1, no. 5 (1998): 159–60. http://dx.doi.org/10.1016/s1387-7003(98)00041-0.

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14

Wenzel, Marco, Kathrin Wichmann, Kerstin Gloe, et al. "Interaction of tripodal Schiff-base ligands with silver(i): structural and solution studies." CrystEngComm 12, no. 12 (2010): 4176. http://dx.doi.org/10.1039/c0ce00255k.

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15

Salehzadeh, Sadegh, Seyed Amrollah Javarsineh, and Hassan Keypour. "Metal complexes of a new potentially heptadentate(N7) tripodal Schiff base ligand. Synthesis, NMR studies and ab initio calculations." Journal of Molecular Structure 785, no. 1-3 (2006): 54–62. http://dx.doi.org/10.1016/j.molstruc.2005.09.033.

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16

Oruma, Uchechukwu Susan, Pius Oziri Ukoha, Chiamaka Peace Uzoewulu, et al. "Synthesis, Biological and In Silico Studies of a Tripodal Schiff Base Derived from 2,4,6-Triamino-1,3,5-triazine and Its Trinuclear Dy(III), Er(III), and Gd(III) Salen Capped Complexes." Molecules 26, no. 14 (2021): 4379. http://dx.doi.org/10.3390/molecules26144379.

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A tripodal Schiff base ligand, 2,4,6-Tris(4-carboxybenzimino)-1,3,5-triazine (MT) and its trinuclear Dy(III), Er(III), and Gd(III) complexes were synthesized. These were characterized using UV-visible, IR, 1H, and 13C NMR spectroscopies, elemental analysis, and molar conductivity measurements. The spectral studies indicate that the ligand is hexadentate and coordinates to the Ln(III) ions through the oxygen atoms of the carboxylic group. The trinuclear complexes were characterized as being bridged by carboxylate anions to the Dy(III), Er(III), and Gd(III) salen centers and displaying a coordin

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17

Rahmatabadi, F. Dashti, R. Ranjineh Khojasteh, H. Kabiri Fard, and F. Tadayon. "New Cr, Mo, W, and Fe Metal Complexes with Potentially Heptadentate (S3N4) Tripodal Schiff Base Ligand: Synthesis, Characterization, and Antibacterial Activity." Russian Journal of General Chemistry 90, no. 7 (2020): 1317–21. http://dx.doi.org/10.1134/s1070363220070191.

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18

Alyea, Elmer C., George Ferguson, Michael Jennings, et al. "Some copper(I) and copper(II) complexes of two new potentially heptadentate tripodal Schiff base ligands." Polyhedron 9, no. 20 (1990): 2463–67. http://dx.doi.org/10.1016/s0277-5387(00)86779-0.

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19

Dröse, Peter, and Jochen Gottfriedsen. "Synthesis of Heteroleptic Cerium(IV) Complexes Using a Heptadentate (N4O3) Tripodale Schiff-base Ligand." Zeitschrift für anorganische und allgemeine Chemie 634, no. 1 (2008): 87–90. http://dx.doi.org/10.1002/zaac.200700312.

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20

Salehzadeh, Sadegh, Reza Golbedaghi, Ian S. Tidmarsh, Nawal K. Al-Rasbi, Harry Adams та Michael D. Ward. "Cd(ΙΙ) and Mn(ΙΙ) complexes of a new hexadentate Schiff base ligand derived from an asymmetric tripodal tetraamine and 2-pyridinecarboxaldehyde". Polyhedron 27, № 18 (2008): 3549–56. http://dx.doi.org/10.1016/j.poly.2008.08.019.

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21

Salehzadeh, Sadegh, Michael D. Ward, and Harry Adams. "A novel chelate-assisted C−C bond formation on a Cd(II) complex of an asymmetric heptadentate(N7) tripodal Schiff base ligand." Inorganic Chemistry Communications 12, no. 5 (2009): 433–35. http://dx.doi.org/10.1016/j.inoche.2009.03.006.

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22

Keypour, Hassan, Maryam Shayesteh, Sadegh Salehzadeh, et al. "Probing the effect of arm length and inter- and intramolecular interactions in the formation of Cu(ii) complexes of Schiff base ligands derived from some unsymmetrical tripodal amines." New Journal of Chemistry 39, no. 9 (2015): 7429–41. http://dx.doi.org/10.1039/c5nj01318f.

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Mononuclear and dinuclear Cu(ii) complexes, [Cu<sup>II</sup>Laldi](ClO<sub>4</sub>) and [Cu<sup>II</sup>Laldi]<sub>2</sub>(ClO<sub>4</sub>)<sub>2</sub>, derived from unsymmetrical tripodal amines (1–6) are reported.

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23

Brewer, Greg. "Structural Evidence of Spin State Selection and Spin Crossover Behavior of Tripodal Schiff Base Complexes of tris(2-aminoethyl)amine and Related Tripodal Amines." Magnetochemistry 6, no. 2 (2020): 28. http://dx.doi.org/10.3390/magnetochemistry6020028.

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A review of the tripodal Schiff base (SB) complexes of tris(2-aminoethyl)amine, Nap(CH2CH 2NH2)3 (tren), and a few closely related tripodal amines with Cr(II), Mn(III) (d4), Mn(II), Fe(III) (d5), Fe(II) (d6), and Co(II) (d7) is provided. Attention is focused on examination of key structural features, the M-Nimine, M-Namine, or M-O and M-Nap bond distances and Nimine-M-N(O) bite and C-Nap-C angles and how these values correlate with spin state selection and spin crossover (SCO) behavior. A comparison of these experimental values with density functional theory calculated values is also given. Th

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24

Kumar, Sundeep, and Mala Nath. "New triphenyltin(IV) complexes of flexible tripodal Schiff base ligands: X-ray structural characterization of Ph3SnCl.(H3trensal)." Journal of Organometallic Chemistry 848 (October 2017): 10–21. http://dx.doi.org/10.1016/j.jorganchem.2017.07.020.

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25

Masuya, Atsuko, Chikai Igarashi, Masatoshi Kanesato, Hitoshi Hoshino, and Nobuhiko Iki. "One-pot synthesis and structural characterization of a Tb(III) coordination polymer based on a tripodal Schiff base ligand adopting an exo-bridging coordination mode." Polyhedron 85 (January 2015): 76–82. http://dx.doi.org/10.1016/j.poly.2014.08.033.

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26

ALYEA, E. C., G. FERGUSON, M. JENNINGS, et al. "ChemInform Abstract: Some Copper(I) and Copper(II) Complexes of Two New Potentially Heptadentate Tripodal Schiff Base Ligands." ChemInform 22, no. 8 (2010): no. http://dx.doi.org/10.1002/chin.199108286.

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27

Sarkar, Shuranjan, Do-Hyun Moon, Myoung-Soo Lah, and Hong-In Lee. "Structure and Heme-Independent Peroxidase Activity of a Fully-Coordinated Mononuclear Mn(II) Complex with a Schiff-Base Tripodal Ligand Containing Three Imidazole Groups." Bulletin of the Korean Chemical Society 31, no. 11 (2010): 3173–79. http://dx.doi.org/10.5012/bkcs.2010.31.11.3173.

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28

Nath, Mala, Pramendra Kumar Saini, and Ashok Kumar. "New di- and triorganotin(IV) complexes of tripodal Schiff base ligand containing three imidazole arms: Synthesis, structural characterization, anti-inflammatory activity and thermal studies." Journal of Organometallic Chemistry 695, no. 9 (2010): 1353–62. http://dx.doi.org/10.1016/j.jorganchem.2010.02.009.

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29

Hasegawa, Y., S. Saitou, D. Nagaoka, H. Yajima та M. Kanesato. "Effect of heptadentate (N4O3) tripodal Schiff base ligand and its yttrium(III) complex on the luminescence and extraction of tris(β-diketonato)europium(III)". Journal of Alloys and Compounds 451, № 1-2 (2008): 320–24. http://dx.doi.org/10.1016/j.jallcom.2007.04.152.

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30

Chakraborty, Joy, Brajagopal Samanta, Guillaume Pilet та Samiran Mitra. "Tris(μ-phenoxo) bridged Cd(II) polymer synthesised from a symmetrical tripodal ligand: A novel observation for heptadentate monocapped trigonal antiprismatic Schiff base complex". Inorganic Chemistry Communications 10, № 1 (2007): 40–44. http://dx.doi.org/10.1016/j.inoche.2006.09.002.

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31

Salehzadeh, Sadegh, Reza Golbedaghi, and Harry Adams. "Nickel(II) complexes of two potentially heptadentate(N7) Tripodal Schiff-base ligands; X-ray crystal structure and theoretical studies." Journal of Molecular Structure 1247 (January 2022): 131359. http://dx.doi.org/10.1016/j.molstruc.2021.131359.

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32

Alyea, E. C., G. Ferguson, M. C. Jennings, and Z. Xu. "Structure of a copper(I) complex of a tripodal Schiff-base ligand, {tris[4-(2-thienyl)-3-aza-3-butenyl]amine}copper(I) triiodide chloroform solvate." Acta Crystallographica Section C Crystal Structure Communications 46, no. 12 (1990): 2347–49. http://dx.doi.org/10.1107/s0108270190004024.

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33

Fenton, David E., Gary P. Westwood, Alan Bashall, Mary McPartlin, and Ian J. Scowen. "Dalton communications. Partial hydrolysis of a Schiff-base tripodal ligand induced by copper(II) salts: crystal structure of the product from reaction with copper(II) perchlorate." Journal of the Chemical Society, Dalton Transactions, no. 14 (1994): 2213. http://dx.doi.org/10.1039/dt9940002213.

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34

Kanesato, Masatoshi, Keiko Nagahara, Kazuki Igarashi, Ken-ichi Sato, Yoshihiro Kikkawa, and Midori Goto. "Synthesis, characterization and emission properties of yttrium(III) and europium(III) complexes of a tripodal heptadentate Schiff-base ligand N[CH2CH2NCH(2-OH-3-MeC6H3)]3." Inorganica Chimica Acta 367, no. 1 (2011): 225–29. http://dx.doi.org/10.1016/j.ica.2010.12.001.

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35

Salehzadeh, Sadegh, Seyedeh Mahnaz Nouri, Hassan Keypour, and Mojtaba Bagherzadeh. "Synthesis of gadolinium(III) and samarium(III) complexes of new potentially heptadentate (N4O3) tripodal Schiff base ligands, and a theoretical study." Polyhedron 24, no. 12 (2005): 1478–86. http://dx.doi.org/10.1016/j.poly.2005.03.099.

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36

Murašková, Viera, Michal Dušek, Maksym Buryi, Valentyn Laguta, Štěpán Huber, and David Sedmidubský. "Synthesis, characterization and X-ray crystal structure of an iron(III) complex of a tripodal pyridoxal Schiff base ligand: effects of positional disorder on its magnetic properties." Transition Metal Chemistry 43, no. 7 (2018): 605–19. http://dx.doi.org/10.1007/s11243-018-0249-x.

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37

Satapathi, Smita, Subhasis Roy, Kishalay Bhar, Rajarshi Ghosh, A. Srinivasa Rao, and Barindra K. Ghosh. "Syntheses, structures, and properties of two binuclear cadmium(II) iodides containing a bis(tridentate) Schiff base/tetradentate tripodal amine: control of coordination numbers by varying ligand matrices." Structural Chemistry 22, no. 3 (2011): 605–13. http://dx.doi.org/10.1007/s11224-010-9730-7.

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38

Keypour, Hassan, Sadegh Salehzadeh, Robin G. Pritchard, and R. V. Parish. "Cadmium(II) complexes of fully condensed Schiff-base ligands derived from two different symmetrical and asymmetrical tripodal tetraamines and 2-acetylpyridine; the novel observations for heptadentate mono-capped trigonal antiprismatic Schiff-base complexes." Polyhedron 19, no. 13 (2000): 1633–37. http://dx.doi.org/10.1016/s0277-5387(00)00444-7.

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39

ROY, SUBHASIS, SOUMI CHATTOPADHYAY, SOMNATH CHOUBEY, KISHALAY BHAR, PARTHA MITRA, and BARINDRA KUMAR GHOSH. "Syntheses, structures and properties of two dinuclear mercury(II) iodide compounds containing tetradentate tripodal amine/pentadentate N-donor Schiff base: Control of molecular and crystalline architectures by varying ligand matrices." Journal of Chemical Sciences 126, no. 3 (2014): 763–69. http://dx.doi.org/10.1007/s12039-014-0609-9.

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40

Salehzadeh, Sadegh, Reza Golbedaghi, Jamshid Rakhtshah, and Harry Adams. "A new series of manganese(II) complexes of three fully condensed Schiff base ligands derived from some symmetrical and asymmetrical tripodal tetraamines and 2-pyridinecarboxyaldehyde." Journal of Molecular Structure 1245 (December 2021): 130982. http://dx.doi.org/10.1016/j.molstruc.2021.130982.

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41

Keypour, Hassan, Maryam Shayesteh, Majid Rezaeivala, and Koray Sayin. "Dinuclear Cu(II) complexes of compartmental Schiff base ligands formed from unsymmetrical tripodal amines of varying arm lengths: Crystal structure of [Cu2L1](ClO4)2 and theoretical studies." Journal of Molecular Structure 1112 (May 2016): 110–18. http://dx.doi.org/10.1016/j.molstruc.2016.02.004.

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42

Keypour, Hassan, Maryam Shayesteh, Majid Rezaeivala, et al. "Mononuclear Ni(II) complexes of Schiff base ligands formed from unsymmetrical tripodal amines of differing arm lengths: Spectral, X-ray crystal structural, antimicrobial and DNA cleavage activity." Journal of Molecular Structure 1148 (November 2017): 568–76. http://dx.doi.org/10.1016/j.molstruc.2017.07.058.

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43

Golbedaghi, Reza, Somaeyh Moradi, Sadegh Salehzadeh, and Allan G. Blackman. "Some metal complexes of three new potentially heptadentate (N 4 O 3 ) tripodal Schiff base ligands; synthesis, characterizatin and X-ray crystal structure of a novel eight coordinate Gd(III) complex." Journal of Molecular Structure 1108 (March 2016): 727–34. http://dx.doi.org/10.1016/j.molstruc.2015.12.052.

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44

Gou, Shaohua, Xiaozeng You, Kaibei Yu, and Jianping Lu. "Synthesis and characterization of a series of tripodal transition metal complexes with the Schiff base of 2,2',2''-triaminoethylamine and 2-pyridinecarboxaldehyde N-oxide. Crystal structures of heptacoordinate manganese(II) and cobalt(II) complexes of a seven-coordinate ligand." Inorganic Chemistry 32, no. 10 (1993): 1883–87. http://dx.doi.org/10.1021/ic00062a003.

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45

Aslam, Muhammad. "SYNTHESIS, SINGLE CRYSTAL X-RAY AND BIOLOGICAL STUDY OF TRANSITION METAL COMPLEXES OF N, N-DONOR SCHIFF BASE LIGAND: N1 , N2 -BIS[(4-METHOXYPHENYL) METHYLIDENE]-1,2-ETHANEDIAMINE." Biomedical and Clinical Research 2, no. 4 (2023): 01–06. https://doi.org/10.31579/2834-8486/011.

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A Schiff base ligand, N 1 , N2 -bis[(4-methoxyphenyl) methylidene]-1,2-ethanediamine (SBL), was derived by the condensation of 4-methoxybenzaldehyde with ethylene diamine followed by complexation with divalent transition metals. The synthesized Schiff base ligand (SBL) and its complexes 1-5 were characterized on the basis of IR, 1H-NMR, 13C-NMR, MS spectral, molar conductance and elemental analyses data. The structure of Schiff base ligand (SBL) was also confirmed by single crystal x-ray crystallographic study. The conductivity data suggests non-electrolytic nature of these complexes. The comp

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46

Hasegawa, Kyoko, Masahiro Muto, Masanobu Hamada, Yasunori Yamada, Tadashi Tokii, and Masayuki Koikawa. "Syntheses, Structures, and Electrochemical Properties of Metallacyclic Oxidovanadium(V) Complexes with Asymmetric Multidentate Linking Ligands." Molecules 29, no. 8 (2024): 1700. http://dx.doi.org/10.3390/molecules29081700.

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Trinuclear metallacyclic oxidovanadium(V) complexes, [{VO(L3+2R)}3] (1–3) with asymmetric multidentate linking ligands (H3L3+2R: R = H, Me, Br), were synthesized. The molecular structure of 1 is characterized as a tripod structure, with each V(V) ion coordinated by ONO-atoms from a tridentate Schiff base site and ON-atoms from a bidentate benzoxazole site of two respective H3L3+2H ligands. The intramolecular V⋯V distances range from 8.0683 to 8.1791 Å. Complex 4 is a mononuclear dioxidovanadium(V) complex, (Et3NH)[VO2(HL3+2H)]. Cyclic voltammograms of 1−3 in DMF revealed redox couples attribut

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Leniec, G., S. M. Kaczmarek, J. Typek, B. Kołodziej, E. Grech, and W. Schilf. "Magnetic and spectroscopic properties of gadolinium tripodal Schiff base complex." Solid State Sciences 9, no. 3-4 (2007): 267–73. http://dx.doi.org/10.1016/j.solidstatesciences.2007.02.002.

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Abu-Surrah, A. S., T. V. Laine, T. Repo, R. Fawzi, M. Steimann, and B. Rieger. "An Enantiomerically Pure Schiff Base Ligand." Acta Crystallographica Section C Crystal Structure Communications 53, no. 10 (1997): 1458–59. http://dx.doi.org/10.1107/s0108270197006148.

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Ommenya, F. K., E. A. Nyawade, D. M. Andala, and J. Kinyua. "Synthesis, Characterization and Antibacterial Activity of Schiff Base, 4-Chloro-2-{(E)-[(4-Fluorophenyl)imino]methyl}phenol Metal (II) Complexes." Journal of Chemistry 2020 (March 30, 2020): 1–8. http://dx.doi.org/10.1155/2020/1745236.

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A new series of Mn (II), Co (II), Ni (II), Cu (II), and Zn (II) complexes of the Schiff base ligand, 4-chloro-2-{(E)-[(4-fluorophenyl)imino]methyl}phenol (C13H9ClFNO), was synthesized in a methanolic medium. The Schiff base was derived from the condensation reaction of 5-chlorosalicylaldehyde and 4-fluoroaniline at room temperature. Elemental analysis, FT-IR, UV-Vis, and NMR spectral data, molar conductance measurements, and melting points were used to characterize the Schiff base and the metal complexes. From the elemental analysis data, the metal complexes formed had the general formulae [M(

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Journal, Baghdad Science. "Synthesis and Spectral Analysis of Some Metal Ions Complexes with Mixed Ligands of Schiff Base and 1, 10-Phenanthroline." Baghdad Science Journal 14, no. 1 (2017): 135–47. http://dx.doi.org/10.21123/bsj.14.1.135-147.

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The free Schiff base ligand (HL1) is prepared by being mixed with the co-ligand 1, 10-phenanthroline (L2). The product then is reacted with metal ions: (Cr+3, Fe+3, Co+2, Ni+2, Cu+2 and Cd+2) to get new metal ion complexes. The ligand is prepared and its metal ion complexes are characterized by physic-chemical spectroscopic techniques such as: FT-IR, UV-Vis, spectra, mass spectrometer, molar conductivity, magnetic moment, metal content, chloride content and microanalysis (C.H.N) techniques. The results show the formation of the free Schiff base ligand (HL1). The fragments of the prepared free

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