transition elements

Summary

Summary: Elements with partially filled d orbitals. They constitute groups 3-12 of the periodic table of elements.

Top Publications

  1. Milicevic A, Branica G, Raos N. Irving-Williams order in the framework of connectivity index ³?v enables simultaneous prediction of stability constants of bivalent transition metal complexes. Molecules. 2011;16:1103-12 pubmed publisher
    ..999 (S.E. = 0.05) and r = 0.998 (S.E. = 0.11), for log K? and log ??, respectively, were developed only for Mn²+, Fe²+, Co²+, and Ni²+ complexes with amino acids...
  2. Shao Z, Zhang H. N-tosylhydrazones: versatile reagents for metal-catalyzed and metal-free cross-coupling reactions. Chem Soc Rev. 2012;41:560-72 pubmed publisher
    ..This tutorial review summarizes recent important developments in this area with N-tosylhydrazones as versatile coupling partners...
  3. Jahn U. Radicals in transition metal catalyzed reactions? transition metal catalyzed radical reactions? - a fruitful interplay anyway: part 2. Radical catalysis by group 8 and 9 elements. Top Curr Chem. 2012;320:191-322 pubmed publisher
    ..Reductive and redox-neutral coupling methods catalyzed by low-valent metal complexes as well as catalytic oxidative C-C bond formations are reviewed...
  4. Lo K, Choi A, Law W. Applications of luminescent inorganic and organometallic transition metal complexes as biomolecular and cellular probes. Dalton Trans. 2012;41:6021-47 pubmed publisher
    ..Emphasis is put on the structural features, photophysical behavior, biomolecular interactions, cellular uptake, and intracellular localization properties of luminescent transition metal complexes...
  5. Chen G, Wang Z, Kou Y, Tian J, Yan S. Impact of metal on the DNA photo-induced cleavage activity of a family of Phterpy complexes. J Inorg Biochem. 2013;122:49-56 pubmed publisher
    ..The DNA photo-induced cleavage activities are consistent with the number of single-electron in the central metal ion of complexes and singlet oxygen and hydroxyl radical are found as the reactive oxygen species...
  6. Jayabharathi J, Thanikachalam V, Srinivasan N, Jayamoorthy K. Physicochemical studies of bioactive heterocycles of some novel imidazole derivatives as sensitive NLO materials. Spectrochim Acta A Mol Biomol Spectrosc. 2011;83:329-36 pubmed publisher
    ..These synthesized molecules were found to have microscopic non-linear optical (NLO) behaviour with non-zero tensor components...
  7. Bull J, Mousseau J, Pelletier G, Charette A. Synthesis of pyridine and dihydropyridine derivatives by regio- and stereoselective addition to N-activated pyridines. Chem Rev. 2012;112:2642-713 pubmed publisher
  8. Lin N, Chung T, Li F, Chen H, Tzen J. Enhancing the potency of lithospermate B for inhibiting Na+/K+-ATPase activity by forming transition metal ion complexes. Acta Pharmacol Sin. 2013;34:893-900 pubmed publisher
    ..To determine whether replacing Mg(2+) in magnesium lithospermate B (Mg-LSB) isolated from danshen (Salvia miltiorrhiza) with other metal ions could affect its potency in inhibition of Na(+)/K(+)-ATPase activity...
  9. Yamamoto Y. Transition-metal-catalyzed cycloisomerizations of ?,?-dienes. Chem Rev. 2012;112:4736-69 pubmed publisher

More Information

Publications62

  1. Schuller A, Auffermann G, Zoschke K, Schmidt U, Ostermann K, Rödel G. Overexpression of ctr1?300, a high-affinity copper transporter with deletion of the cytosolic C-terminus in Saccharomyces cerevisiae under excess copper, leads to disruption of transition metal homeostasis and transcriptional remodelling of cellular . Yeast. 2013;30:201-18 pubmed publisher
    ..We found that transition metal ion homeostasis was disrupted in ctr1?300-overexpressing strains under excess copper and that this was combined with a transcriptional remodelling of cellular processes...
  2. Chen F, Wang T, Jiao N. Recent advances in transition-metal-catalyzed functionalization of unstrained carbon-carbon bonds. Chem Rev. 2014;114:8613-61 pubmed publisher
  3. Leeland J, Finn C, Escuyer B, Kawaguchi H, Nichol G, Slawin A, et al. Synthesis and structures of transition metal pacman complexes of heteroditopic Schiff-base pyrrole macrocycles. Dalton Trans. 2012;41:13815-31 pubmed publisher
  4. Tófalvi R, Horvath K, Hajos P. High performance ion chromatography of transition metal chelate complexes and aminopolycarboxylate ligands. J Chromatogr A. 2013;1272:26-32 pubmed publisher
    ..The limit of detection and linearity of the method in the range of 0.01-0.25 mM sample concentration were also presented...
  5. Singh B, Rajour H, Prakash A. Synthesis, characterization and biological activity of transition metal complexes with Schiff bases derived from 2-nitrobenzaldehyde with glycine and methionine. Spectrochim Acta A Mol Biomol Spectrosc. 2012;94:143-51 pubmed publisher
    ..The results indicate that the biological activity increases on complexation...
  6. Kashif I, Soliman A, Sakr E, Ratep A. XRD and FTIR studies the effect of heat treatment and doping the transition metal oxide on LiNbO3 and LiNb3O8 nano-crystallite phases in lithium borate glass system. Spectrochim Acta A Mol Biomol Spectrosc. 2013;113:15-21 pubmed publisher
    ..It was found that the quantitative evolution of these various borate species in the glass structures is influenced by the transition metal. A detailed discussion relating to the N4 evolution with the T.M content was made...
  7. Ding S, Jiao N. N,N-dimethylformamide: a multipurpose building block. Angew Chem Int Ed Engl. 2012;51:9226-37 pubmed publisher
  8. Coletti C, Marrone A, Re N. Metal complexes containing allenylidene and higher cumulenylidene ligands: a theoretical perspective. Acc Chem Res. 2012;45:139-49 pubmed publisher
    ..The result is a useful guide to new developments in the still-underexplored fields of this fascinating class of compounds...
  9. Sousa E Silva F, Tierno A, Wengryniuk S. Hypervalent Iodine Reagents in High Valent Transition Metal Chemistry. Molecules. 2017;22: pubmed publisher
    ..We will cover advancements in both catalysis and high valent complex isolation with a key focus on the subtle effects that oxidant choice can have on reaction outcome, as well as limitations of current reagents. ..
  10. Montazerozohori M, Khani S, Tavakol H, Hojjati A, Kazemi M. Synthesis, spectroscopic and thermal studies of some IIB group complexes with a new N2-Schiff base ligand. Spectrochim Acta A Mol Biomol Spectrosc. 2011;81:122-7 pubmed publisher
    ..Activation thermodynamic parameters of decomposition such as E*, ?H*, ?S* and ?G* were calculated from TG curves...
  11. Cho S, Kim J, Kwak J, Chang S. Recent advances in the transition metal-catalyzed twofold oxidative C-H bond activation strategy for C-C and C-N bond formation. Chem Soc Rev. 2011;40:5068-83 pubmed publisher
  12. Liu N, Li X, Xu X, Wang Z, Sun H. Synthesis, structure and DFT study of dinuclear iron, cobalt and nickel complexes with cyclopentadienyl-metal moieties. Dalton Trans. 2011;40:6886-92 pubmed publisher
    ..The possible reaction mechanisms and structural characteristics are discussed. Density functional theory (DFT) calculations strongly support the deductions...
  13. Tomson N, Labios L, Weyhermüller T, Figueroa J, Wieghardt K. Redox noninnocence of nitrosoarene ligands in transition metal complexes. Inorg Chem. 2011;50:5763-76 pubmed publisher
    ..Together, these data provide a delineation of the factors needed for evaluating the oxidation state of nitrosoarene ligands bound to transition metals in varying coordination modes...
  14. Chauhan V, Singh A, Majumder C, Sen P. Structural, electronic and magnetic properties of binary transition metal aluminum clusters: absence of electronic shell structure. J Phys Condens Matter. 2014;26:015006 pubmed publisher
    ..In contrast to binary transition metal alkali and transition metal alkaline earth clusters, spherical shell models cannot describe the electronic structure of transition metal aluminum clusters. ..
  15. Li L, Wang Y, Xie S, Li X, Wang Y, Wu R, et al. Two-dimensional transition metal honeycomb realized: Hf on Ir(111). Nano Lett. 2013;13:4671-4 pubmed publisher
    ..46 ?(B). The realization and investigation of TM honeycomb layers extend the scope of 2D structures and could bring about novel properties for technological applications...
  16. Cavigliasso G, Christian G, Stranger R, Yates B. Achieving C-N bond cleavage in dinuclear metal cyanide complexes. Dalton Trans. 2011;40:7327-39 pubmed publisher
  17. Raman N, Sobha S, Thamaraichelvan A. A novel bioactive tyramine derived Schiff base and its transition metal complexes as selective DNA binding agents. Spectrochim Acta A Mol Biomol Spectrosc. 2011;78:888-98 pubmed publisher
    ..The complexes showed enhanced antifungal and antibacterial activities compared to the free ligand...
  18. Xu X, Matsuzaki K, Shibata N. Synthetic methods for compounds having CF3-S units on carbon by trifluoromethylation, trifluoromethylthiolation, triflylation, and related reactions. Chem Rev. 2015;115:731-64 pubmed publisher
  19. Jia M, Hong Y, Duan S, Liu Y, Yuan B, Jiang F. The influence of transition metal ions on collagen mineralization. Mater Sci Eng C Mater Biol Appl. 2013;33:2399-406 pubmed publisher
    ..For both HAP/collagen composites and HAP/collagen sponge, it was found that transition metal ions Mn(2+) had a significant effect on the morphology of HAP particles and could induce to form floc-like HAP particle aggregates...
  20. Qiu Z, Ren S, Xie Z. Transition metal-carboryne complexes: synthesis, bonding, and reactivity. Acc Chem Res. 2011;44:299-309 pubmed publisher
  21. Türkoglu G, Heinemann F, Burzlaff N. Transition metal complexes bearing a 2,2-bis(3,5-dimethylpyrazol-1-yl)propionate ligand: one methyl more matters. Dalton Trans. 2011;40:4678-86 pubmed publisher
    ..It was found that the additional methyl group has a remarkable influence on the stability and reactivity of transition metal complexes...
  22. Li Y, Yang Z, Wu J. Synthesis, crystal structures, biological activities and fluorescence studies of transition metal complexes with 3-carbaldehyde chromone thiosemicarbazone. Eur J Med Chem. 2010;45:5692-701 pubmed publisher
  23. Jarenmark M, Haukka M, Demeshko S, Tuczek F, Zuppiroli L, Meyer F, et al. Synthesis, characterization, and reactivity studies of heterodinuclear complexes modeling active sites in purple acid phospatases. Inorg Chem. 2011;50:3866-87 pubmed publisher
  24. Vadavi R, Shenoy R, Badiger D, Gudasi K, Devi L, Nethaji M. Crystal structure of nonadentate tricompartmental ligand derived from pyridine-2,6-dicarboxylic acid: Spectroscopic, electrochemical and thermal investigations of its transition metal(II) complexes. Spectrochim Acta A Mol Biomol Spectrosc. 2011;79:348-55 pubmed publisher
    ..106. Cyclic voltametric studies of copper(II) complex at different scan rates reveal that all the reaction occurring are irreversible...
  25. Mosa A, Emara A, Yousef J, Saddiq A. Novel transition metal complexes of 4-hydroxy-coumarin-3-thiocarbohydrazone: pharmacodynamic of Co(III) on rats and antimicrobial activity. Spectrochim Acta A Mol Biomol Spectrosc. 2011;81:35-43 pubmed publisher
  26. Borfecchia E, Garino C, Salassa L, Lamberti C. Synchrotron ultrafast techniques for photoactive transition metal complexes. Philos Trans A Math Phys Eng Sci. 2013;371:20120132 pubmed publisher
    ..Selected pioneering examples of photoactive transition metal complexes studied by TR-XSS and TR-XAS are discussed in depth...
  27. Oseback S, Shim S, Kumar M, Greer S, Gardner S, Lemar K, et al. Crowded bis ligand complexes of Ttz(Ph,Me) with first row transition metals rearrange due to ligand field effects: structural and electronic characterization (Ttz(Ph,Me) = tris(3-phenyl-5-methyl-1,2,4-triazolyl)borate). Dalton Trans. 2012;41:2774-87 pubmed publisher
    ..Bis(ligand) complexes predominate with all metals, but (Ttz(Ph,Me))Ni(OH(2))Cl (2) and (Ttz(Ph,Me))ZnBr (3) were also isolated and these show that Ttz(Ph,Me) is coordinatively flexible...
  28. Zhao L, Shi H, An Z, Wang J, He J. Validity of inorganic nanosheets as an efficient planar substituent to enhance the enantioselectivity of transition-metal-catalyzed asymmetric synthesis. Chemistry. 2013;19:12350-5 pubmed publisher
    ..The computational predication is further confirmed experimentally in zinc-catalyzed direct asymmetric aldol addition by controlling the location of catalytic sites. ..
  29. Dzade N, Obodo K, Adjokatse S, Ashu A, Amankwah E, Atiso C, et al. Silicene and transition metal based materials: prediction of a two-dimensional piezomagnet. J Phys Condens Matter. 2010;22:375502 pubmed publisher
  30. Gao M, Jiang J, Yu S. Solution-based synthesis and design of late transition metal chalcogenide materials for oxygen reduction reaction (ORR). Small. 2012;8:13-27 pubmed publisher
  31. Tsui E, Kanady J, Day M, Agapie T. Trinuclear first row transition metal complexes of a hexapyridyl, trialkoxy 1,3,5-triarylbenzene ligand. Chem Commun (Camb). 2011;47:4189-91 pubmed publisher
    ..Characterization via X-ray diffraction, NMR, and magnetism studies is discussed...
  32. Pu M, Li Q, Xie Y, King R, Schaefer H. Mononuclear homoleptic allyl complexes of the first row transition metals: species with unusual metal electronic configurations. J Phys Chem A. 2011;115:4491-504 pubmed publisher
    ..The M(C(3)H(5))(3) complexes (M = Cr, Co) thus correspond to a well-known series of "classical" octahedral coordination complexes, namely, those of the d(3) Cr(III) and the d(6) Co(III), respectively...
  33. Zhang W, Gong J, Zhang L, Yang Y, Liu Y, Zhang H, et al. Transition metal-induced self-assembly of small molybdenum clusters. Dalton Trans. 2013;42:1760-9 pubmed publisher
    ..Moreover, the electrochemical properties of compounds 1-8 are also investigated...
  34. Brown C, Toste F, Bergman R, Raymond K. Supramolecular catalysis in metal-ligand cluster hosts. Chem Rev. 2015;115:3012-35 pubmed publisher
  35. Lincoln K, Gonzalez P, Richardson T, Julovich D, Saunders R, Simpkins J, et al. A potent antioxidant small molecule aimed at targeting metal-based oxidative stress in neurodegenerative disorders. Chem Commun (Camb). 2013;49:2712-4 pubmed publisher
    ..Herein we report the synthesis, characterization and antioxidant activity of 2; a pyclen derivative with enhanced antioxidant character...
  36. Tonndorf P, Schmidt R, Böttger P, Zhang X, Börner J, Liebig A, et al. Photoluminescence emission and Raman response of monolayer MoS?, MoSe?, and WSe?. Opt Express. 2013;21:4908-16 pubmed publisher
    ..Strong photoluminescence emission is caused by the transition from an indirect band gap semiconductor of bulk material to a direct band gap semiconductor in atomically thin form...
  37. Chen Z, Shi Y, Liu Y, Hong X, Geng B, Peng Y, et al. TCM active ingredient oxoglaucine metal complexes: crystal structure, cytotoxicity, and interaction with DNA. Inorg Chem. 2012;51:1998-2009 pubmed publisher
    ..Complexes 2-4 are metallointercalators, but complex 1 is not. These metal complexes could effectively inhibit topoisomerase I even at low concentration. Cell cycle analysis revealed that 1-3 caused S-phase cell arrest...
  38. Khaledi H, Olmstead M, Ali H, Thomas N. Indolenine meso-substituted dibenzotetraaza[14]annulene and its coordination chemistry toward the transition metal ions Mn(III), Fe(III), Co(II), Ni(II), Cu(II), and Pd(II). Inorg Chem. 2013;52:1926-41 pubmed publisher
    ..Variable temperature magnetic susceptibility measurements showed thermally induced paramagnetism in [Ni(L)]...
  39. Zhu Z, Kirsch S. Propargyl vinyl ethers as heteroatom-tethered enyne surrogates: diversity-oriented strategies for heterocycle synthesis. Chem Commun (Camb). 2013;49:2272-83 pubmed publisher
    ..Furthermore, related reactions transforming propargyl vinyl amines to heterocycles are discussed...
  40. Sardar S, Srikanth K, Mandal P, Bagchi S. Interaction of alkali, alkaline earth and transition metal ions with a ketocyanine dye: a comparative electronic spectroscopic study. Spectrochim Acta A Mol Biomol Spectrosc. 2012;99:37-45 pubmed publisher
    ..At higher concentration of metal ions, however, fluorescence of the dye is quenched by the metal ions. A red shift of fluorescence maximum has also been observed in this concentration range...
  41. Liu G. Transition metal-catalyzed fluorination of multi carbon-carbon bonds: new strategies for fluorinated heterocycles. Org Biomol Chem. 2012;10:6243-8 pubmed publisher
    ..Recent progress in this area is reviewed with an emphasis on the selective fluorination of alkenes, alkynes and allenes. Regio- and stereoselective fluorination reactions are highlighted...
  42. Zhang Y, Wang J. Alkene synthesis through transition metal-catalyzed cross-coupling of N-tosylhydrazones. Top Curr Chem. 2012;327:239-69 pubmed publisher
    ..The synthesis of alkenes through Pd-catalyzed cross-coupling reactions of N-tosylhydrazones is particularly attractive and will be discussed in detail...
  43. Hari D, Schroll P, Konig B. Metal-free, visible-light-mediated direct C-H arylation of heteroarenes with aryl diazonium salts. J Am Chem Soc. 2012;134:2958-61 pubmed publisher
    ..We have investigated the scope of the reaction for several aryl diazonium salts and heteroarenes. The general and easy procedure provides a transition-metal-free alternative for the formation of aryl-heteroaryl bonds...
  44. Zhai X, Li G, Li Q, Xie Y, King R, Schaefer H. Binuclear cyclopentadienylmetal cyclooctatetraene derivatives of the first row transition metals: effects of ring conformation on the bonding of an eight-membered carbocyclic ring to a pair of metal atoms. J Phys Chem A. 2011;115:3133-43 pubmed publisher
    ..A ?-C(8)H(8) ring in the tub conformation also bonds to two CpFe units as a bis(tetrahapto) ligand in both singlet and triplet cis-Cp(2)Fe(2)(?-C(8)H(8)) structures...
  45. Burzo E, Chioncel L, Tetean R, Isnard O. On the R 5d band polarization in rare-earth-transition metal compounds. J Phys Condens Matter. 2011;23:026001 pubmed publisher
    ..The R 5d and Y 4d band polarizations induced by R 5d-T3d or Y 4d-T3d hybridizations are proportional to the number of neighbouring T atoms, to a given R, and their magnetic moments. Previous results on the matter are also discussed...
  46. Kulik H, Marzari N. Transition-metal dioxides: a case for the intersite term in Hubbard-model functionals. J Chem Phys. 2011;134:094103 pubmed publisher
    ..Finally, we identify an approach that more accurately determines the Hubbard U over a coordinate in which the covalent character of bonding varies...
  47. Di Pietro A, Visalli G, Baluce B, Micale R, La Maestra S, Spataro P, et al. Multigenerational mitochondrial alterations in pneumocytes exposed to oil fly ash metals. Int J Hyg Environ Health. 2011;214:138-44 pubmed publisher
    ..Spread of mitochondrial dysfunctions to daughter cells is expected to amplify oxidative stress in the respiratory epithelium and to play an important role in the pathogenesis of respiratory diseases...
  48. Hanif M, Chohan Z. Design, spectral characterization and biological studies of transition metal(II) complexes with triazole Schiff bases. Spectrochim Acta A Mol Biomol Spectrosc. 2013;104:468-76 pubmed publisher
    ..In vitro Brine Shrimp bioassay was also carried out to investigate the cytotoxic properties of these compounds. The data also revealed that the metal complexes showed better activity than the ligands due to chelation/coordination...
  49. Dhokale R, Thakare P, Mhaske S. Transition-metal-free C-arylation at room temperature by arynes. Org Lett. 2012;14:3994-7 pubmed publisher
    ..Selective mono- or diarylation and generation of a quaternary benzylic stereocenter have also been achieved. The methodology will be highly useful for the synthesis of a library of CNS depressant barbiturate drugs like Phenobarbital...
  50. Trost B, Bartlett M. Transition-metal-catalyzed synthesis of aspergillide B: an alkyne addition strategy. Org Lett. 2012;14:1322-5 pubmed publisher
  51. Seleem H, Mostafa M, Hanafy F. Stability of transition metal complexes involving three isomeric quinolyl hydrazones. Spectrochim Acta A Mol Biomol Spectrosc. 2011;78:1560-6 pubmed publisher
    ..1/D, Z, E(T), DN, AN and (?, ?, ?*). The interaction of the hydrazones with CoCl(2)·6H(2)O afforded an octahedral complex in case of the ortho-hydrazone and square planar complexes in case of the meta- and para-hydrazones...
  52. Chen Z, Liu X, Zhang C, Zhang Z, Liang F. Structure, adsorption and magnetic properties of chiral metal-organic frameworks bearing linear trinuclear secondary building blocks. Dalton Trans. 2011;40:1911-8 pubmed publisher
    ..8 cm(3) g(-1) (5.6 wt%) at 27.1 atm measured at 298 K. The magnetic studies of complexes 1 and 3 indicate the presence of antiferromagnetic interactions between the metal ions in the two compounds...
  53. Patil S, Patil R, Miller D. Microwave-assisted synthesis of medicinally relevant indoles. Curr Med Chem. 2011;18:615-37 pubmed
    ..In addition, metal mediated cyclizations along with solid phase synthesis of indoles have been discussed. ..