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Journal articles on the topic 'Ligands; transition metal complexes'

Author: Grafiati

Published: 4 June 2021

Last updated: 15 February 2022

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1

Pierpont, Cortlandt G., and Attia S. Attia. "Spin Coupling Interactions in Transition Metal Complexes Containing Radical o-Semiquinone Ligands. A Review." Collection of Czechoslovak Chemical Communications 66, no. 1 (2001): 33–51. http://dx.doi.org/10.1135/cccc20010033.

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Transition metal complexes ofo-semiquinone (SQ) ligands have been studied extensively over the past 25 years. A particularly interesting aspect of this coordination chemistry concerns magnetic interactions between paramagnetic metal ions and the radical anionic ligands. In this review we begin with a survey of relatively simple complexes consisting of a paramagnetic metal ion chelated by a single SQ ligand. Recent studies have revealed the importance of SQ-SQ coupling through diamagnetic metals, and complexes of this class are described in the second section of the review. Both interactions co

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2

Sasmal, Ashok, Eugenio Garribba, Carlos J. Gómez-García, Cédric Desplanches, and Samiran Mitra. "Switching and redox isomerism in first-row transition metal complexes containing redox active Schiff base ligands." Dalton Trans. 43, no. 42 (2014): 15958–67. http://dx.doi.org/10.1039/c4dt01699h.

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Switching and redox isomerism in first row transition metal complexes through the metal-to-ligand or ligand-to-ligand electron transfer stabilize redox isomeric forms in transition metal complexes with redox-active ligands.

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3

Sellmann, Dieter, Herbert Binder, Daniel Häußinger, Frank W. Heinemann, and Jörg Sutter. "Transition metal complexes with sulfur ligands." Inorganica Chimica Acta 300-302 (April 2000): 829–36. http://dx.doi.org/10.1016/s0020-1693(99)00608-8.

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4

Sivaev, Igor B., Marina Yu Stogniy, and Vladimir I. Bregadze. "Transition metal complexes with carboranylphosphine ligands." Coordination Chemistry Reviews 436 (June 2021): 213795. http://dx.doi.org/10.1016/j.ccr.2021.213795.

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5

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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6

Ye-gao, Yin, Huang Zu-yun, Cheung Kung-kai, and Wong Wing-tak. "Ligand-metal interaction in transition-metal complexes with tripodal polyaza ligands." Wuhan University Journal of Natural Sciences 4, no. 4 (1999): 477–81. http://dx.doi.org/10.1007/bf02832289.

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7

Zhao, Lili, Chaoqun Chai, Wolfgang Petz, and Gernot Frenking. "Carbones and Carbon Atom as Ligands in Transition Metal Complexes." Molecules 25, no. 21 (2020): 4943. http://dx.doi.org/10.3390/molecules25214943.

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This review summarizes experimental and theoretical studies of transition metal complexes with two types of novel metal-carbon bonds. One type features complexes with carbones CL2 as ligands, where the carbon(0) atom has two electron lone pairs which engage in double (σ and π) donation to the metal atom [M]⇇CL2. The second part of this review reports complexes which have a neutral carbon atom C as ligand. Carbido complexes with naked carbon atoms may be considered as endpoint of the series [M]-CR3 → [M]-CR2 → [M]-CR → [M]-C. This review includes some work on uranium and cerium complexes, but i

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8

Prananto, Yuniar P., Aron Urbatsch, Boujemaa Moubaraki, et al. "Transition Metal Thiocyanate Complexes of Picolylcyanoacetamides." Australian Journal of Chemistry 70, no. 5 (2017): 516. http://dx.doi.org/10.1071/ch16648.

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A variety of transition metal complexes involving picolylcyanoacetamides (pica = NCCH2CONH-R; R = 2-picolyl- (2pica), 3-picolyl- (3pica), 4-picolyl- (4pica)) and thiocyanate have been synthesised and their solid-state structures have been determined. The complexes were all obtained from reactions between the corresponding metals salts and pica ligands with sodium thiocyanate under ambient conditions. Both 3pica and 4pica coordinate to the metal solely through the nitrogen atom of the picolyl group and form discrete tetrahedral [M(NCS)2(pica)2] (3pica; M = Mn, Zn; 4pica; M = Co) and octahedral

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9

Salzer, A. "Nomenclature of Organometallic Compounds of the Transition Elements (IUPAC Recommendations 1999)." Pure and Applied Chemistry 71, no. 8 (1999): 1557–85. http://dx.doi.org/10.1351/pac199971081557.

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Organometallic compounds are defined as containing at least one metal-carbon bond between an organic molecule, ion, or radical and a metal. Organometallic nomenclature therefore usually combines the nomenclature of organic chemisty and that of coordination chemistry. Provisional rules outlining nomenclature for such compounds are found both in Nomenclature of Organic Chemistry, 1979 and in Nomenclature of Inorganic Chemistry, 1990This document describes the nomenclature for organometallic compounds of the transition elements, that is compounds with metal-carbon single bonds, metal-carbon multi

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10

Leovac, V. M., E. Z. Ivegeš, K. Mészáros Szécsényi, K. Tomor, G. Pokol, and S. Gal. "Transition metal complexes with thiosemicarbazide-based ligands." Journal of thermal analysis 50, no. 3 (1997): 431–40. http://dx.doi.org/10.1007/bf01980503.

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11

Bessel, Carol A., Pooja Aggarwal, Amy C. Marschilok, and Kenneth J. Takeuchi. "Transition-Metal Complexes Containingtrans-Spanning Diphosphine Ligands." Chemical Reviews 101, no. 4 (2001): 1031–66. http://dx.doi.org/10.1021/cr990346w.

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12

Mészáros Széc, K., V. M. Leovac, Z. K. Jacimovic, and G. Pokol. "Transition Metal Complexes with Pyrazole Based Ligands." Journal of Thermal Analysis and Calorimetry 74, no. 3 (2003): 943–52. http://dx.doi.org/10.1023/b:jtan.0000011026.41481.bd.

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13

Champeil, Elise, and Sylvia M. Draper. "Ferrocenylalkynes as ligands in transition metal complexes." Journal of the Chemical Society, Dalton Transactions, no. 9 (2001): 1440–47. http://dx.doi.org/10.1039/b008803j.

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14

Le Coustumer, G., N. Bennasser, and Y. Mollier. "Transition metal complexes derived from multisulfur ligands." Synthetic Metals 27, no. 3-4 (1988): 523–27. http://dx.doi.org/10.1016/0379-6779(88)90194-4.

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15

Mészáros Szécsényi, Katalin, V. M. Leovac, R. Petković, Ž. K. Jaćimović, and G. Pokol. "Transition metal complexes with pyrazole based ligands." Journal of Thermal Analysis and Calorimetry 90, no. 3 (2007): 899–902. http://dx.doi.org/10.1007/s10973-007-8430-z.

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16

Leovac, V. M., A. F. Petrovic, E. Z. Ivegeš, and S. R. Lukic. "Transition metal complexes with thiosemicarbazide-based ligands." Journal of Thermal Analysis 36, no. 7-8 (1990): 2427–39. http://dx.doi.org/10.1007/bf01913640.

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17

Salassa, Giovanni, and Alessio Terenzi. "Metal Complexes of Oxadiazole Ligands: An Overview." International Journal of Molecular Sciences 20, no. 14 (2019): 3483. http://dx.doi.org/10.3390/ijms20143483.

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Oxadizoles are heterocyclic ring systems that find application in different scientific disciplines, from medicinal chemistry to optoelectronics. Coordination with metals (especially the transition ones) proved to enhance the intrinsic characteristics of these organic ligands and many metal complexes of oxadiazoles showed attractive characteristics for different research fields. In this review, we provide a general overview on different metal complexes and polymers containing oxadiazole moieties, reporting the principal synthetic approaches adopted for their preparation and showing the variety

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18

Khan, Muhammad S., Nawal K. Al-Rasbi, Edwin C. Constable, Adrian R. Dale, and Jack Lewis. "Derivatized Pentadentate Macrocyclic Ligands and Their Transition Metal Complexes." Sultan Qaboos University Journal for Science [SQUJS] 7, no. 2 (2002): 241. http://dx.doi.org/10.24200/squjs.vol7iss2pp241-249.

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The reaction of the pendant hydroxyethyl group in the planar pentadentate macrocyclic ligand,1,11-bis(2’-hydroxyethyl)-4,8;12,16;17,21-trinitrilo-1,2,10,11-tetraazacyclohenicosa- 2,4,6,9,12,14,18,20-octaene (L2), derived from the condensation of 2,6-pyridinedialdehyde with 6,6’-bis(2’ hydroxyethylhydrazino) -2,2’-bipyridine (L1), has been investigated. Esterification reactions are facile, and the reaction of the hydroxyethyl-substituted macrocycle with thionyl chloride yields a chloroethyl derivative. Metal complexes of the new derivatized macrocyclic ligands L3-6having general formula ML3-6X2

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19

Vadivel, T., M. Dhamodaran, S. Kulathooran, M. Kavitha, and K. Amirthaganesan. "In Vitro Evaluation of Antifungal Activities by Permeation of Ru(III) Complexes Derived from Chitosan-Schiff Base Ligand." Current Applied Polymer Science 3, no. 3 (2020): 212–20. http://dx.doi.org/10.2174/2452271603666191016130012.

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Background: The transition metal complexes are derived from a natural biopolymer which is a very potent material in various research areas of study. Objective: This study aims to show the preparation of ruthenium(III) complexes from chitosan Schiff base ligand for effective application in antifungal studies. Methods: Chemical modification was carried out through a condensation reaction of chitosan with some aromatic aldehydes, which resulted in the formation of a bidentate Schiff base ligand. The Ru(III) complexes were prepared by complexation of ruthenium metal ion with bidentate ligands. The

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20

Zhao, Yi, Qun Chen, Mingyang He, et al. "Tris(Butadiene) Compounds versus Butadiene Oligomerization in Second-Row Transition Metal Chemistry: Effects of Increased Ligand Fields." Molecules 26, no. 8 (2021): 2220. http://dx.doi.org/10.3390/molecules26082220.

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The geometries, energetics, and preferred spin states of the second-row transition metal tris(butadiene) complexes (C4H6)3M (M = Zr–Pd) and their isomers, including the experimentally known very stable molybdenum derivative (C4H6)3Mo, have been examined by density functional theory. Such low-energy structures are found to have low-spin singlet and doublet spin states in contrast to the corresponding derivatives of the first-row transition metals. The three butadiene ligands in the lowest-energy (C4H6)3M structures of the late second-row transition metals couple to form a C12H18 ligand that bin

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21

Masuda, Jason D., and Douglas W. Stephan. "Transition metal complexes of a sterically demanding diimine ligand." Canadian Journal of Chemistry 83, no. 5 (2005): 477–84. http://dx.doi.org/10.1139/v05-057.

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The reaction of the metal halide with the sterically demanding ligand (i-Pr2C6H3N)(C(Me)(NC6H3-i-Pr2))2 afforded the complexes (i-Pr2C6H3N)(C(Me)(NC6H3-i-Pr2))2MX2 (X = Cl, M = Fe (2), Co (3); X = Br, M = Ni (4), M = Cu (5), Zn (6)). The species of 2 reacts with Li(OEt2)B(C6F5)4 to form the yellow adduct [(i-Pr2C6H3N)(C(Me)(NC6H3-i-Pr2))2Fe(µ-Cl)2Li(OEt2)2][B(C6F5)4] (7) while alkylation of 2 gave (i-Pr2C6H3N)(C(Me)(NC6H3-i-Pr2))2FeClCH2SiMe3 (8). The species [(i-Pr2C6H3N)(C(Me)(NC6H3-i-Pr2))2Ni(η3-C3H5)][B(3,5-CF3C6H3)4] (9) was obtained from reaction of 1 with [(η3-C3H5)NiBr]2 and [Na][B(3,5

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22

Enders, Dieter, Heike Gielen, and Klaus Breuer. "Axial Chirality in Square-Planar Metal Complexes." Zeitschrift für Naturforschung B 53, no. 9 (1998): 1035–38. http://dx.doi.org/10.1515/znb-1998-0916.

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Metal complexes with a square-planar arrangement of ligands are frequently found for the late Transition Metals. The incorporation of C1-symmetrical planar ligands (e.g. nucleophilic carbenes) in an orientation perpendicular to the square-plane of the complex leads to various isomers which are characterized by means of an axis of chirality employing the well established Cahn-Ingold-Prelog -R/S-nomenclature.

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23

S P, Sridevi, Girija C R, and C. D. Satish. "Synthesis, Structure and Reactivity of Schiff Base Transition Metal Mixed Ligand Complexes Derived from Isatin and Salal." Oriental Journal Of Chemistry 37, no. 1 (2021): 169–76. http://dx.doi.org/10.13005/ojc/370123.

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A series of Isatin derivative Schiff Base ligands have been prepared by the nucleophilic addition of 5-Bromo Isatin with various amine derivatives and characterized by CHNS analysis and spectral data. Similarly, two of Salicylaldehyde ligand have been prepared by the nucleophilic addition of Salal with amine derivatives. In order to investigate the coordination behavior of these ligands and their metal complexes of the type M(acac)x, L [M = Cu(II), Ni(II); L = Schiff base ligands; x = 0 or 2] mixed ligand (chelate) have been prepared from the reaction of these ligands with their corresponding

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24

Jacobsen, Heiko. "Localized-orbital locator (LOL) profiles of transition-metal hydride and dihydrogen complexes,." Canadian Journal of Chemistry 87, no. 7 (2009): 965–73. http://dx.doi.org/10.1139/v09-060.

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A bond descriptor based on the kinetic-energy density, the localized-orbital locator (LOL), is used to characterize the nature of the chemical bond in transition-metal hydride and dihydrogen complexes. Cationic complexes of the iron triad [MH3(PMe3)4]+ (M = Fe, Ru, Os) serve as model compounds for transition-metal hydrogen bonding, since these complexes not only present examples for hydride as well as dihydrogen complexes, but for certain representatives, the two different types of metal–hydrogen bonds are realized within the same molecule. Both types of ligands show characteristic LOL profile

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25

Aly, Aref A. M., and Asma I. El-Said. "Spectral and Thermal Studies on Some New Anionic Mixed Alkyldithiocarbonato-Oxinato Transition Metal Complexes." Zeitschrift für Naturforschung B 44, no. 3 (1989): 323–26. http://dx.doi.org/10.1515/znb-1989-0313.

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The preparation and characterization of some anionic mixed ligand com plexes of Co(II), Ni(II) and Cu(II) containing the two anionic ligands alkyldithiocarbonate and oxinate are reported. The ionic nature of the complexes was inferred from the conductivity data. Alkyldithiocarbonates act in these complexes as bidentate ligands. Based on the spectroscopic and magnetic data the complexes appear to possess pseudo-octahedral metal coordination.

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26

Bruce, MI, and AH White. "Some Chemistry of Pentakis(methoxycarbonyl)cyclopentadiene, HC5(CO2Me)5, and Related Molecules." Australian Journal of Chemistry 43, no. 6 (1990): 949. http://dx.doi.org/10.1071/ch9900949.

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This article summarizes the results of investigations into the chemistry of HC5(CO2Me)5 and, in particular, of metal complexes containing the C5(CO2Me)5 ligand . As an anion, the ligand is very stable, forming air-stable, water-soluble salts with many cations with coordination to the metal atom in the solid state generally occurring through the ester carbonyl groups. Second- and third-row transition metals form complexes which retain the covalent ligand-metal bond in solution, 'harder' metals coordinating by the ester carbonyl groups, while 'softer' metals are bound to the ring carbons; a vari

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27

Cheung, Wai-Man, Ka-Chun Au-Yeung, Kai-Hong Wong, et al. "Reactions of cerium complexes with transition metal nitrides: synthesis and structure of heterometallic cerium complexes containing bridging catecholate ligands." Dalton Transactions 48, no. 35 (2019): 13458–65. http://dx.doi.org/10.1039/c9dt02959a.

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28

Pierpont, C. G., S. K. Larsen, and S. R. Boone. "Transition metal complexes containing quinone ligands: studies on intramolecular metal-ligand electron transfer." Pure and Applied Chemistry 60, no. 8 (1988): 1331–36. http://dx.doi.org/10.1351/pac198860081331.

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29

Klingele, Julia, Sebastian Dechert, and Franc Meyer. "Polynuclear transition metal complexes of metal⋯metal-bridging compartmental pyrazolate ligands." Coordination Chemistry Reviews 253, no. 21-22 (2009): 2698–741. http://dx.doi.org/10.1016/j.ccr.2009.03.026.

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30

Hatua, Kaushik, та Prasanta K. Nandi. "Static second hyperpolarizability of Λ shaped alkaline earth metal complexes". Journal of Theoretical and Computational Chemistry 13, № 05 (2014): 1450039. http://dx.doi.org/10.1142/s0219633614500394.

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A number of Λ shaped complexes of alkaline earth metals Be , Mg and Ca with varying terminal groups have been considered for the theoretical study of their second hyperpolarizability. The chosen complexes are found to be sufficiently stable and for a chosen ligand the stability decreases in the order: Be -complex > Ca -complex > Mg -complex. The calculated results of second hyperpolarizability obtained at different DFT functionals for the 6-311++G(d,p) basis set are found to be fairly consistent. The Λ shaped ligands upon complex formation with metals lead to strong enhancement of second

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31

Chivers, Tristam, and Frank Edelmann. "Transition-metal complexes of inorganic sulphur-nitrogen ligands." Polyhedron 5, no. 11 (1986): 1661–99. http://dx.doi.org/10.1016/s0277-5387(00)84846-9.

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32

Timofeev, Sergey V., Igor B. Sivaev, Elena A. Prikaznova, and Vladimir I. Bregadze. "Transition metal complexes with charge-compensated dicarbollide ligands." Journal of Organometallic Chemistry 751 (February 2014): 221–50. http://dx.doi.org/10.1016/j.jorganchem.2013.08.012.

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33

Lindner, Ronald, Bart van den Bosch, Martin Lutz, Joost N. H. Reek, and Jarl Ivar van der Vlugt. "Tunable Hemilabile Ligands for Adaptive Transition Metal Complexes." Organometallics 30, no. 3 (2011): 499–510. http://dx.doi.org/10.1021/om100804k.

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34

Novaković, Sladjana B., Zoran D. Tomić, Violeta Jevtović, and Vukadin M. Leovac. "Transition metal complexes with thiosemicarbazide-based ligands. XLIII." Acta Crystallographica Section C Crystal Structure Communications 58, no. 6 (2002): m358—m360. http://dx.doi.org/10.1107/s0108270102007564.

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35

Lorenz, Ingo-Peter, Michael Limmert, Peter Mayer, et al. "DPP Dyes as Ligands in Transition-Metal Complexes." Chemistry - A European Journal 8, no. 17 (2002): 4047–55. http://dx.doi.org/10.1002/1521-3765(20020902)8:17<4047::aid-chem4047>3.0.co;2-m.

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36

Zaitsev, Kirill V., Kevin Lam, Viktor A. Tafeenko, Alexander A. Korlyukov, and Oleg Kh Poleshchuk. "Aryl Oligogermanes as Ligands for Transition Metal Complexes." European Journal of Inorganic Chemistry 2018, no. 45 (2018): 4911–24. http://dx.doi.org/10.1002/ejic.201801095.

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37

Poznyak, Anatoli L., and Valeri I. Pavlovski. "Photochemical Reactions of Ligands in Transition-Metal Complexes." Angewandte Chemie International Edition in English 27, no. 6 (1988): 789–96. http://dx.doi.org/10.1002/anie.198807891.

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38

Craciunescu, D., and A. H. I. Ben-Bassat. "Transition Metal Complexes Containing Ligands of Pharmacological Interest." Bulletin des Sociétés Chimiques Belges 81, no. 1 (2010): 307–10. http://dx.doi.org/10.1002/bscb.19720810126.

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39

Bogdanović, Goran A., Vukadin M. Leovac, Sladjana B. Novaković, Valerija I. Češljević, and Anne Spasojević-de Biré. "Transition metal complexes with thiosemicarbazide-based ligands. XLII." Acta Crystallographica Section C Crystal Structure Communications 57, no. 10 (2001): 1138–40. http://dx.doi.org/10.1107/s010827010100991x.

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40

Watton, Stephen P., Mindy I. Davis, Laura E. Pence, Axel Masschelein, Julius Rebek, and Stephen J. Lippard. "Dinuclear transition metal complexes of constrained carboxylate ligands." Journal of Inorganic Biochemistry 51, no. 1-2 (1993): 152. http://dx.doi.org/10.1016/0162-0134(93)85188-e.

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41

Štarha, Pavel, and Zdeněk Trávníček. "Azaindoles: Suitable ligands of cytotoxic transition metal complexes." Journal of Inorganic Biochemistry 197 (August 2019): 110695. http://dx.doi.org/10.1016/j.jinorgbio.2019.110695.

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42

Dolgova, S. P., V. N. Setkina та D. N. Kursanov. "π-Complexes as ligands in transition metal compounds". Journal of Organometallic Chemistry 292, № 1-2 (1985): 229–35. http://dx.doi.org/10.1016/0022-328x(85)87338-1.

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43

Belo, Dulce, and Manuel Almeida. "Transition metal complexes based on thiophene-dithiolene ligands." Coordination Chemistry Reviews 254, no. 13-14 (2010): 1479–92. http://dx.doi.org/10.1016/j.ccr.2009.12.011.

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44

Torubaev, Yury, Alexander Pasynskii, and Pradeep Mathur. "Organotellurium halides: New ligands for transition metal complexes." Coordination Chemistry Reviews 256, no. 5-8 (2012): 709–21. http://dx.doi.org/10.1016/j.ccr.2011.11.011.

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45

Leovac, Vukadin M., Goran A. Bogdanović, Valerija I. Češljević, Ljiljana S. Jovanović, Sladjana B. Novaković, and Ljiljana S. Vojinović-Ješić. "Transition metal complexes with Girard reagent-based ligands." Structural Chemistry 18, no. 1 (2007): 113–19. http://dx.doi.org/10.1007/s11224-006-9136-8.

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46

Bieller, Susanne, Alireza Haghiri, Michael Bolte, Jan W. Bats, Matthias Wagner, and Hans-Wolfram Lerner. "Transition metal complexes with pyrazole derivatives as ligands." Inorganica Chimica Acta 359, no. 5 (2006): 1559–72. http://dx.doi.org/10.1016/j.ica.2005.10.034.

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47

Malik, Suman, Supriya Das, and Bharti Jain. "Transition Metal Complexes of Omeprazole An Anti-Ulcerative Drug." Eclética Química Journal 36, no. 3 (2017): 31. http://dx.doi.org/10.26850/1678-4618eqj.v36.3.2011.p31-36.

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Omeprazole (OME) is a proton pump inhibitor (PPI). PPI’s have enabled to improve the treatment of various acidpeptic disorders. OME is a weak base and it can form several complexes with transition and non-transitions metal ions. In the present paper, we are describing series of trantion metal complexes of omeprazole i.e.,5-methoxy-2[(4methoxy-3,5dimethyl-2-pyridinyl)methylsulfinyl]–1H–benzimidazole with CuII, MnII, CoII, NiII, FeII, ZnII and HgII. These complexes were characterized by elemental analysis, molar conductance, IR, NMR, magnetic susceptibility, UV-visible spectral studies, ESR, SEM

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48

Loukova, Galina V., and Vladimir V. Strelets. "A Review on Molecular Electrochemistry of Metallocene Dichloride and Dimethyl Complexes of Group 4 Metals: Redox Properties and Relation with Optical Ligand-to-Metal Charge Transfer Transitions." Collection of Czechoslovak Chemical Communications 66, no. 2 (2001): 185–206. http://dx.doi.org/10.1135/cccc20010185.

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Emphasis is given to redox, photophysical, and photochemical properties of homologous bent metallocenes of group 4 transition metals. Comparative analysis of a variety of electron-transfer induced transformations and ligand-to-metal charge-transfer excited states is performed for bent metallocene complexes upon systematic variation of the identity of the metal ion (Ti, Zr or Hf), ancillary π- and monodentate σ- (Cl, Me) ligands. For such organometallic π-complexes, linear correlations exist between energies of optical and redox HOMO-to-LUMO electron transitions. It is suggested that combinatio

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49

Mamedova, Shafa Agаеvna. "METAL COMPLEX CATALYSIS." Globus 7, no. 5(62) (2021): 31–33. http://dx.doi.org/10.52013/2658-5197-62-5-7.

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Complexes of transition metals with chiral ligands are considered as catalysts. Among metal-containing organic complexes with semiconducting properties, compounds of the porphin series occupy a special place in electrocatalytic studies. The properties of the porphyrin macrocycle, their role in catalysis, and the influence of the nature of the metal on the catalytic properties of the complex are considered.

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Shadab, Mohd, and Mohammad Aslam. "Synthesis and Characterization of Some Transition Metal complexes with N-phenyl-N’-[substituted phenyl] Thiourea." Material Science Research India 11, no. 1 (2014): 83–89. http://dx.doi.org/10.13005/msri/110111.

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Abstract:

A series of thiourea ligand , N-N'- diphenyl thiourea [I] [DPTH], N-phenyl-N'-[2-phenoyl] thiourea [II] [PPTH], N-phenyl-N'-[2-chlorophenyl] thiourea III [PCPTH], N-phenyl-N'- [5-chloro-2-methyl phenyl] thiourea IV [PCMPTH] and N- phenyl -N'-(5-chloro-2-methoxy phenyl) thiourea V (PCMTPTH) and their transition metal complexes of the type ML2 and ML2 Cl2 have been synthesized by reacting phenyl isothiocyanate with substituted aniline and transition metal salts. These newly synthesized ligands and their complexes were characterized by elemental and spectral studies. Based upon these studies it w

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