Academic literature on the topic 'Organometallic compounds. Transition metals'

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Journal articles on the topic "Organometallic compounds. Transition metals"

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Salzer, A. "Nomenclature of Organometallic Compounds of the Transition Elements (IUPAC Recommendations 1999)." Pure and Applied Chemistry 71, no. 8 (August 30, 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 multiple bonds as well as complexes with unsaturated molecules (metal-p-complexes).Organometallic compounds are considered to be produced by addition reactions and so they are named on an addition principle. The name therefore is built around the central metal atom name. Organic ligand names are derived according to the rules of organic chemistry with appropriate endings to indicate the different bonding modes. To designate the points of attachment of ligands in more complicated structures, the h, k, and m-notations are used. The final section deals with the abbreviated nomenclature for metallocenes and their derivatives.ContentsIntroduction Systems of Nomenclature2.1 Binary type nomenclature 2.2 Substitutive nomenlcature 2.3 Coordination nomenclature Coordination Nomenclature3.1 General definitions of coordination chemistry 3.2 Oxidation numbers and net charges 3.3 Formulae and names for coordination compounds Nomenclature for Organometallic Compounds of Transition Metals 4.1 Valence-electron-numbers and the 18-valence-electron-rule 4.2 Ligand names 4.2.1 Ligands coordinating by one metal-carbon single bond 4.2.2 Ligands coordinating by several metal-carbon single bonds 4.2.3 Ligands coordinating by metal-carbon multiple bonds 4.2.4 Complexes with unsaturated molecules or groups 4.3 Metallocene nomenclature
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Dong, Zhi-Bing, and Jin-Quan Chen. "Recent Progress in Utilization of Functionalized Organometallic Reagents in Cross Coupling Reactions and Nucleophilic Additions." Synthesis 52, no. 24 (November 4, 2020): 3714–34. http://dx.doi.org/10.1055/s-0040-1706550.

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AbstractOrganometallic compounds have become increasingly important in organic synthesis because of their high chemoselectivity and excellent reactivity. Recently, a variety of organometallic reagents were found to facilitate transition-metal-catalyzed cross-coupling reactions and nucleophilic addition reactions. Here, we have summarized the latest progress in cross-coupling reactions and in nucleophilic addition reactions with functionalized organometallic reagents present to illustrate their application value. Due to the tremendous contribution made by the Knochel group towards the development of novel organometallic reagents, this review draws extensively from their work in this area in recent years.Introduction1 Transition-Metal-Catalyzed Cross Couplings Involving Organo­zinc Reagents2 Transition-Metal-Catalyzed Cross Couplings Involving Organomagnesium Reagents3 Transition-Metal-Free Cross Couplings Involving Zn and Mg ­Organometallic Reagents4 Nucleophilic Additions Involving Zn and Mg Organometallic Reagents5 Cross-Coupling Reactions or Nucleophilic Additions Involving Mn, Al-, La-, Li-, Sm- and In-Organometallics6 Conclusion
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Vizer, S. A., and K. B. Yerzhanov. "Heterocycles Synthesis at Carbonylation of Acetylenic Compounds." Eurasian Chemico-Technological Journal 5, no. 2 (April 5, 2016): 145. http://dx.doi.org/10.18321/ectj294.

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The carbonylation of unsaturated hydrocarbons, alcohols, organic halides and other substrates catalyzed by transition metals, salts of transition metals and organometallic complexes is a wide used synthesis method of new carbonyl, carboxyl and alkoxy carbonyl containing compounds including creation or modificationt of heterocycles. The data about synthesis of heterocycles at carbonylation of acetylenic compounds have been appeared at last 20 years and are demonstrated in our review. Introduction of carbon monoxide in the catalytic reactions of acetylenic compounds permits to obtain in oneput process the diverse heterocycles, having carbonyl, carboxyl or alkoxycarbonyl substitutes or containing these fragments inside of heterocycles.
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Hagihara, Nobue. "SOME RECENT PROBLEMS ON THE FIELD OF ORGANOMETALLIC COMPOUNDS OF TRANSITION METALS." Annals of the New York Academy of Sciences 125, no. 1 (December 16, 2006): 98–106. http://dx.doi.org/10.1111/j.1749-6632.1965.tb45381.x.

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Fernández, Israel, Gernot Frenking, and Gabriel Merino. "Aromaticity of metallabenzenes and related compounds." Chemical Society Reviews 44, no. 18 (2015): 6452–63. http://dx.doi.org/10.1039/c5cs00004a.

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In this review, we focus on the aromaticity of a particular family of organometallic compounds known as metallabenzenes, which are characterized by the formal replacement of a CH group in benzene by an isolobal transition metal fragment.
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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 combination of spectroscopic and electrochemical techniques provides important diagnostics to determine "ionisation potential" and "electron affinity" in solution (relative energies of frontier molecular orbitals obtained as redox potentials) and the energy gap in metallocene complexes. Some of earlier instructive cases of direct relationship between optical transition energies and differences in redox potentials revealed for inorganic and coordination compounds are discussed.
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Crabtree, Robert H. "Malcolm L. H. Green. 16 April 1936 — 24 July 2020." Biographical Memoirs of Fellows of the Royal Society 70 (January 20, 2021): 175–88. http://dx.doi.org/10.1098/rsbm.2020.0038.

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Malcolm Green was a remarkable man—even a short meeting was enough to make this clear. He had that rare charismatic ability to connect personally with those around him, whatever their rank or status. Generous of his time with his current coworkers, he also made sure to provide help, encouragement or advice to his alumni as the need arose during their subsequent careers. Inspired by his lead, an unusually large number of them have become widely known figures in chemistry in the UK and beyond. Malcolm laid out his view on his students on one occasion when a visitor to the lab commented on how quickly a large sum had been raised by his alumni for a lectureship in his name. ‘They must really love you’, he said, to which Malcolm replied with his simple philosophy: ‘If you love them, they will love you.’ Malcolm's infectious passion for science and his imaginative approach led him in many diverse directions during his career. Although his signature field was organometallic chemistry, he made later important contributions in nanomaterials and heterogeneous catalysis. Always interested in the reasons why Nature behaves as it does, he pioneered several new and imaginative methods for interpreting and understanding chemical bonding and reactivity, such as the covalent bond classification scheme or the rules for predicting the regiochemistry of nucleophilic attack on organometallics. He cared deeply about education and was the author of the first textbook devoted to the organometallic chemistry of the transition metals, Organometallic compounds. Volume 2: the transition elements , which originally appeared as early as 1968.
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Baird, Michael C. "Catalysis by organotransition metal compounds: Synergism between the pure and the applied1." Canadian Journal of Chemistry 81, no. 4 (April 1, 2003): 330–37. http://dx.doi.org/10.1139/v03-065.

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The modern era of transition-metal-catalyzed polymerization of alkenes began with the Nobel Prize winning work of Ziegler and Natta in the 1950s, but the field has exploded since the mid-1980s and anticipated applications of organometallic catalysts are being spectacularly realized. Our research in metal-catalyzed alkene polymerization began about ten years ago with an investigation of the catalytic applications of half-sandwich complexes of the Group 4 metals, and this lecture will describe our efforts to find both better initiators to make known commercial polymers and new initiators to make novel polymeric materials. Good luck, bad luck, blind alleys, and serendipity have all played key roles in our research, resulting ultimately in a very satisfying convergence of the motives for pure, and the needs of applied, research.Key words: alkene, polymerization, Ziegler, catalysis, carbocationic, titanium.
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Hevia, Eva. "Towards a Paradigm Shift in Polar Organometallic Chemistry." CHIMIA International Journal for Chemistry 74, no. 9 (September 30, 2020): 681–88. http://dx.doi.org/10.2533/chimia.2020.681.

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Core tools of synthetic chemistry, polar organometallic reagents (typified by organolithium and Grignard reagents) are used worldwide for constructing compounds, especially aromatic compounds, which are ubiquitous in organic chemistry and thus in numerous commodities essential to everyday life. By isolation and characterisation of key organometallic intermediates, research in our group has led to the design of polar mixed-metal reagents imbued with synergistic effects that display chemical properties and reactivity profiles far exceeding the limits of traditional single-metal reagents. These studies have improved existing, or established new fundamentally important, synthetic methodologies based on either stoichiometric or catalytic reactions. Bimetallic cooperative effects have been demonstrated in an impressive array of important bond forming reactions including deprotonative metallation, transition metal-free C–C bond formation and metal–halogen exchange to name just a few. Towards greener, more sustainable, safer chemical transformations, our group has also pioneered the use of polar organometallic reagents under air and/or with water present using biorenewable solvents such as Deep Eutectic Solvents (DES) and 2-methyl THF. Herein we summarize some of our recent efforts in this intriguing area, which we believe can make inroads towards a step change in the practice and future scope of polar organometallic chemistry.
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Li, Xiaorong, G. M. Bancroft, and R. J. Puddephatt. "Variable Energy Photoelectron Spectroscopy: Periodic Trends in d-Orbital Energies for Organometallic Compounds of the Transition Metals." Accounts of Chemical Research 30, no. 5 (May 1997): 213–18. http://dx.doi.org/10.1021/ar960277x.

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Dissertations / Theses on the topic "Organometallic compounds. Transition metals"

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McGilligan, Brian Stephen. "Organometallic and related compounds of transition metals." Thesis, Imperial College London, 1990. http://hdl.handle.net/10044/1/46441.

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Berry, Adam. "Anionic polyhydride compounds of the transition metals." Thesis, University of Oxford, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.670367.

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Lock, Philippa Edlyne. "The structures and dynamics of organometallic-arene complexes and bimetallic clusters /." *McMaster only, 2001.

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Carson, Cantwell G. "Noble and transition metal aromatic frameworks synthesis, properties, and stability /." Diss., Atlanta, Ga. : Georgia Institute of Technology, 2009. http://hdl.handle.net/1853/29657.

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Thesis (Ph. D.)--Materials Science and Engineering, Georgia Institute of Technology, 2009.
Committee Chair: Rina Tannenbaum; Committee Co-Chair: Rosario A. Gerhardt; Committee Member: E. Kent Barefield; Committee Member: Karl I. Jacob; Committee Member: Preet Singh; Committee Member: R. Bruce King. Part of the SMARTech Electronic Thesis and Dissertation Collection.
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Mapolie, Selwyn Frank. "The synthesis and reactivity of binuclear μ-hydrocarbyl complexes of some transition metals." Doctoral thesis, University of Cape Town, 1988. http://hdl.handle.net/11427/22208.

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The new μ-(l,n)-alkanediyl compounds [(ƞ⁵-C₅R₄Me)Fe(CO)₂ ]₂{μ-(CH₂)n}, (R = H, n = 3 -10 and R =Me, n =3 - 6), [Mn(CO)₅]₂{μ-(CH₂)n} (M = Mn, n = 4-6 and M = Re, n= 3 and 4) have been prepared using essentially two synthetic routes. Thus the iron compounds were synthesized by the reaction of Na[(ƞ⁵-C₅R₄Me)Fe(CO)₂ ] with the appropriate dibromoalkane. The manganese and rhenium compounds on the other hand, were prepared by the decarbonylation of the corresponding diacyl compounds of the type, [M(CO)₅]₂{μ-CO(CH₂)nCO} (M = Mn or Re). These diacyl species in turn were synthesized by the reaction of Na[M(CO)s] with diacyl chlorides. All the new compounds have been fully characterized by microanalysis, infrared, ¹H and ¹³C nmr spectroscopy. The mass spectra of the compounds have been investigated and the fragmentation patterns are discussed and compared with other known polymethylene compounds. An extensive investigation into the reactivity of the new alkanediyl compounds has been carried out. Thus for example the reactivity of the compounds [CpFe(CO)₂]₂{μ-(CH₂)n} with nucleophiles such as tertiary phosphines and isocyanides, yield diacyl compounds of the type [CpFe(CO)L]₂{μ-CO(CH₂)nCO} (Cp = C₅H₄Me or C₅Me₅) and (L = tertiary phosphine or isocyanide). Similar ligand induced CO insertion reactions were observed for the manganese and rhenium alkanediyl compounds. The products from these reactions were characterized using the analytical techniques mentioned earlier. The reactions are discussed and compared with those of mononuclear alkyl compounds of manganese, rhenium and iron. The reactions of some polymethylene bridged compounds with synthesis gas have also been investigated. This reaction is of importance in view of the fact that polymethylene bridged compounds have been implicated in a number of catalytic processes e.g the Fischer- Tropsch reaction. The reaction with synthesis gas was found to yield bifunctional alcohols of the type HO(CH₂)nOH. In a separate study, the binuclear μ-phthaloyl compounds of manganese, rhenium,iron,molybdenum,cobalt and rhodium were prepared and characterized. The phthaloyl compounds of manganese, rhenium and iron were decarbonylated to form the corresponding μ-phenylene compounds. The reactions of some of these compounds with nucleophiles and electrophiles have been studied and the results compared with that of the corresponding mononuclear benzoyl and phenyl compounds.
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Yigit, Mehmet Veysel. "Design of open hydrogen-bonded frameworks using bis(imidazolium 2,4,6-pyridinetricarboxylate)metal complexes as secondary building units." Link to electronic thesis, 2003. http://www.wpi.edu/Pubs/ETD/Available/etd-0514103-110657.

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Karunatilaka, Chandana. "Rotational Spectroscopy and Structures of Organometallic Compounds." Diss., The University of Arizona, 2007. http://hdl.handle.net/10150/193621.

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High-resolution pulsed beam Fourier Transform Microwave Spectroscopy (PBFTMS) technique has been used to investigate the rotational spectra, molecular structures and electronic charge distribution of organometallic and organic molecules. The thesis reports high-resolution rotational spectral findings for nine different asymmetric-top molecules in the singlet electronic ground state including: Cyclopentadienyltungstentricarbonylhydride, Bis-(cyclopentadienyl)tungstendihydride, Tetracarbonylethyleneosmium, two substituted Ferrocenes and an organic keto-enol tautomeric system, Z-2-Hydroxypyridine and 2-Pyridone. Moreover, gas-phase rotational constants and distortion constants have also been reported for an excited vibrational state of Cyclopentadienylnickelnitrosyl complex using a high-resolution Fourier Transform Spectrometer (FTS) system at Kitt Peak Arizona, (KPNO). Preliminary microwave results for a fluxional molecule, Cyclopentadienyliridiumdicarbonyl are also presented in this work. Extensive Density Functional Theory (DFT) calculations have been performed in conjunction with the experiments to provide additional insight toward further understanding the equilibrium structures, structural isomers and electric field distributions of these molecules. These calculations were not only helpful in predicting the preliminary structure and rotational constants of the molecules of interest, but also advantageous in analyzing the observed spectra.
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Rai, Chaudhuri Anjana. "Electronic structure and bond energy trends in silicon-hydrogen and germanium-hydrogen bond activation by transition metals." Diss., The University of Arizona, 1989. http://hdl.handle.net/10150/184731.

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The electronic structure factors that control Si-H and Ge-H bond activation by transition metals are investigated by means of photoelectron spectroscopy. Molecular orbital calculations are also used to gain additional insight into the orbital interactions involved in bond activation. The complexes studied have the general molecular formula (η⁵-C₅R'₅)Mn(CO)(L)HER₃, where R' is H or CH₃, L is CO or PMe₃, E is Si or Ge and R is Ph or Cl. These compounds are interesting models for catalysts in industrial processes like hydrosilation. The compounds display different stages of interaction and "activation" of the E-H bonds with the metal. One purpose is to measure the degree of Mn, Si, H 3-center-2-electron bonding in these complexes. The three-center interaction can be tuned by changing the substituents on Si, methylating the cyclopentadienyl ring, changing the ligand environment around the metal and substituting Si with Ge. The degree of activation is measured by observing the shifts in the metal and ligand ionizations relative to starting materials and free ligand in the photoelectron spectrum. Changing the substituent on Si extensively changes the degree of activation. Photoelectron spectral studies on (η⁵-C₅H₅)Mn(CO)₂HSiPh₃ show this to be a Mn(I) system. Progressive methylation of the cyclopentadienyl ring increases the electron richness at the metal center with no substantial effect on the degree of activation. Substitution on the metal (PMe₃ for CO) is less able to control the electronic structure factors of activation than the substitution on the Si atom. The magnitude of Ge-H bond activation is found to be of the same order as the Si-H bond activation for analogous compounds as found by studying (η⁵-C₅H₅)Mn(CO)₂HGePh₃, (η⁵-CH₃C₅H₄)Mn(CO)₂HGePh₃ and (η⁵- C₅(CH₃)₅)Mn(CO)₂HGePh₃ complexes by photoelectron spectroscopy. The photoelectron spectra of CpFe(CO)₂SiCl₃ and CpFe(CO)₂SiMe₃ were measured to study the electron charge shift from the metal to the ligand in these complexes as compared to CpMn(CO)₂HSiR₃ complexes. The photoelectron spectroscopic studies include numerous perturbations of the ligand and metal center to observe the extent of bond interaction and remain one of the best techniques to detect activation products.
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James, Alan Jay. "Metal thiazenes, bulky phosphines, group 11 acetylides and nickel acenaphthalenes /." free to MU campus, to others for purchase, 2002. http://wwwlib.umi.com/cr/mo/fullcit?p3074411.

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Schauer, Philip A. "Organometallic synthons for highly conjugated redox-active materials." University of Western Australia. School of Biomedical, Biomolecular and Chemical Sciences, 2009. http://theses.library.uwa.edu.au/adt-WU2009.0166.

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[Truncated abstract] This thesis describes various synthetic approaches toward the synthesis of highly conjugated complexes incorporating multiple transition metal centres. Particular attention is given to the synthesis of mononuclear complexes that allow for the facile assembly of discrete oligo- and poly-nuclear complexes in a controlled, stepwise fashion. Conjugated multi-metallic materials are of interest on account of their unique photophysical and electronic properties, with a particular emphasis on elucidating the nature of intramolecular communication between multiple metal centres. Chapter 1 provides a survey of these topics and current research efforts in the field. Chapter 2 describes the synthesis of Group-VIII allenylidene complexes incorporating a terminal bipyridyl moiety that provides a site for further coordination. The new compound 9-hydroxy-9-ethynyl-4,5-diazafluorene was synthesised, and reaction of this proligand with a coordinatively unsaturated metal fragment yields the allenylidene complexes [MCl(PnP)2=C=C=(4,5-diazafluoren-9-yl)]PF6 (M = Ru, PnP = dppm, dppe, dmpe; M = Os, PnP = dppm) and [CpRu(dppe)=C=C=(4,5-diazafluoren- 9-yl)]PF6. The dmpe-ligated complex is particularly susceptible to decomposition, though it was possible to obtain partial spectroscopic characterisation in addition to a single-crystal X-ray structural determination. The remaining allenylidene complexes are stable compounds readily characterised by standard spectroscopic and electrochemical means, with the bis(diphosphine) complexes characterised by single crystal X-ray structural determinations. ... Reactions of the proligand with [RuCl(PnP)2]+ (PnP = dppm, dppe) led to the isolation of a product spectroscopically consistent with the formation of the target cationic allenylidene complexes, though the complexes were not readily purified and the identity of the accompanying anion was not elucidated. The new compound 4-hydroxy-4- ethynyl-cyclopentadithiophene was also prepared, though the compound was found to be highly unstable and susceptible to rapid decomposition. The derived allenylidene complexes [RuCl(PnP)2=C=C=(4-cyclopentadithiophene)]PF6 (PnP = dppm, dppe) were isolated in a pure form and the complexes stable toward spontaneous decomposition. The thienyl-derived allenylidene complexes were characterised by spectroscopic and electrochemical techniques, with a single-crystal X-ray structural determination undertaken for [RuCl(dppm)2=C=C=(4-cyclopentaditiophene)]PF6. Electrochemical properties are significantly different between the complexes, and also show significant variation between electrodes and solvents. The terminal thienyl substituents are electroactive and show one or two oxidation processes consistent with oligomerisation of the thienyl moiety in dichloromethane solvent, and in acetonitrile solvent cyclic voltammograms are consistent with the deposition of an electroactive film on the electrode surface. The electro-polymerisation of the thienylallenylidene complexes offers a promising new route toward multi-metallic allenylidene complexes.
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Books on the topic "Organometallic compounds. Transition metals"

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Crabtree, Robert H. Organometallic chemistry of the transition metals. Chichester: Wiley, 1992.

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Crabtree, Robert H. The organometallic chemistry of the transition metals. 2nd ed. New York: Wiley, 1994.

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The organometallic chemistry of the transition metals. 4th ed. Hoboken, N.J: John Wiley, 2005.

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Crabtree, Robert H. The organometallic chemistry of the transition metals. 3rd ed. New York: John Wiley, 2001.

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The organometallic chemistry of the transition metals. New York: Wiley, 1988.

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Organometallics. Oxford: Oxford University Press, 1994.

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Crabtree, Robert H. The organometallic chemistry of the transition metals. 4th ed. Hoboken, NJ: Wiley-Interscience, 2005.

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Transition metals in the synthesis of complex organic molecules. Mill Valley, Calif: University Science Books, 1994.

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G, Söderberg Björn C., ed. Transition metals in the synthesis of complex organic molecules. 3rd ed. Sausalito, Calif: University Science Books, 2009.

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Transition metals in the synthesis of complex organic molecules. 2nd ed. Sausalito, Calif: University Science Books, 1999.

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Book chapters on the topic "Organometallic compounds. Transition metals"

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Kotz, John C. "The Electrochemistry of Transition Metal Organometallic Compounds." In Topics in Organic Electrochemistry, 81–176. Boston, MA: Springer US, 1986. http://dx.doi.org/10.1007/978-1-4899-2034-8_3.

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Friend, C. M., J. R. Swanson, and F. A. Flitsch. "Model Studies of LCVD of Transition Metals on Silicon: Surface Processes." In Mechanisms of Reactions of Organometallic Compounds with Surfaces, 63–67. Boston, MA: Springer US, 1989. http://dx.doi.org/10.1007/978-1-4899-2522-0_8.

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Mingos, D. M. P. "Complementary Spherical Electron Density Model for Co-Ordination and Organometallic Compounds." In Quantum Chemistry: The Challenge of Transition Metals and Coordination Chemistry, 209–24. Dordrecht: Springer Netherlands, 1986. http://dx.doi.org/10.1007/978-94-009-4656-9_16.

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Sakharov, Sergei G. "Dynamic Behavior of Group 5 and 6 Transition Metal Complexes with NMR." In Fluxional Organometallic and Coordination Compounds, 85–129. Chichester, UK: John Wiley & Sons, Ltd, 2005. http://dx.doi.org/10.1002/0470858451.ch3.

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Kotz, John C. "Oxidatively Induced Substitution Reactions of Transition Metal Organometallic Compounds." In Paramagnetic Organometallic Species in Activation/Selectivity, Catalysis, 171–85. Dordrecht: Springer Netherlands, 1989. http://dx.doi.org/10.1007/978-94-009-0877-2_12.

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Zhang, Hua. "Transition Metal-Catalyzed Oxidative Coupling Involving Two Organometallic Compounds." In Lecture Notes in Chemistry, 11–40. Berlin, Heidelberg: Springer Berlin Heidelberg, 2018. http://dx.doi.org/10.1007/978-3-662-58104-9_2.

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Fu, Gang, and Xin Xu. "Mechanistic Insights into Selective Oxidation of Light Alkanes by Transition Metal Compounds/Complexes." In Computational Organometallic Chemistry, 113–41. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-25258-7_5.

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Cotton, S. A. "Th Thorium." In Organometallic Compounds of the Lanthanides, Actinides and Early Transition Metals, 176–84. Boston, MA: Springer US, 1985. http://dx.doi.org/10.1007/978-1-4899-7164-7_30.

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Cardin, D. J. "Ti Titanium." In Organometallic Compounds of the Lanthanides, Actinides and Early Transition Metals, 185–210. Boston, MA: Springer US, 1985. http://dx.doi.org/10.1007/978-1-4899-7164-7_31.

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Cotton, S. A. "Tm Thulium." In Organometallic Compounds of the Lanthanides, Actinides and Early Transition Metals, 211–12. Boston, MA: Springer US, 1985. http://dx.doi.org/10.1007/978-1-4899-7164-7_32.

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Conference papers on the topic "Organometallic compounds. Transition metals"

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Bahador, S. K. "Transition metal chalcogenides and Lamellar compounds: their science & technology 36 - electrocatalysis by mocl compounds in energy conversion & storage systems." In International Conference on Science and Technology of Synthetic Metals. IEEE, 1994. http://dx.doi.org/10.1109/stsm.1994.835907.

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Lekishvili, N., Kh Barbakadze, W. Brostow, T. Datashvili, A. Fainleib, and O. Grigorieva. "Inorganic-organic hybrid antibiocorrosive covers based on polyurethanes and coordination compounds of some transition metals." In 6TH INTERNATIONAL CONFERENCE ON TIMES OF POLYMERS (TOP) AND COMPOSITES. AIP, 2012. http://dx.doi.org/10.1063/1.4738469.

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Punanova, Svetlana. "ORE CONCENTRATIONS OF METALS IN NAPHTHIDES OF HYPERGENESIS ZONE: ASSESSMENT AND ENVIRONMENTAL ASPECT." In GEOLINKS International Conference. SAIMA Consult Ltd, 2020. http://dx.doi.org/10.32008/geolinks2020/b1/v2/17.

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The study examines the formation of secondary-altered crude oils associated with the processes of modern or ancient hypergenesis. As a result of geological processes during intense upward movement of the earth's crust, oil undergoes physical weathering, inorganic oxidation, washing out with water, biodegradation and sulfurization, and turn into heavy oils and hard bitumen. In zones of hypergenesis, the loss of light fractions occurs and the absolute concentration of trace elements (TE) associated with resinous-asphaltene components, such as V, Ni, Co, Mo, Cr, Cu, etc. sharply increases. In addition, oils absorb elements of variable valence (V, Fe, U) from low-salinity stratal waters. As a result of experimental studies on the interaction of oils with low mineralization waters, which are characteristic of hypergenesis zones, leaching of some elements (e.g., Zn) from oils and absorption of others from contacting waters (for example, concentrations of newly-formed organometallic compounds V and Fe increased by 1.3-12 times) were found. The author utilized the method of neutron-activation analysis to study the content of TE in oils and natural bitumens of the Volga-Ural, Timan-Pechora, Kazakhstan, Tajikistan, and etc. Ore-level concentration values were found, for example: 180-1162 ppm for V and up to 100 ppm for Ni in the oils of the Melekess depression in Tatarstan, and 940 ppm for V and 130 ppm for Ni in the oils of Kazakhstan deposits. Classification of oils by the content of “biogenic” elements V, Ni, Fe and by physical and chemical properties revealed significant differences of hypergene-altered oils in the general cycle of genesis of naphthides. Deposits of secondarily-altered oils are found in a wide stratigraphic range in oil and gas basins of various geostructural types in traps of the combined morphology – lithologically and tectonically shielded. During the development of oil deposits that contain high concentrations of TE, it is necessary to take into account ecological aspects. The environmental aspect is due to the fact that many metals contained in oils – V, Ni, Cd, As, Hg, U, etc. belong to highly toxic compound chemicals.
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4

Punanova, Svetlana. "POTENTIALLY TOXIC CHEMICAL ELEMENTS OF SHALE PLAYS – ECOLOGICAL THREAT TO THE ENVIRONMENT." In GEOLINKS International Conference. SAIMA Consult Ltd, 2020. http://dx.doi.org/10.32008/geolinks2020/b1/v2/18.

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This research considered the content of trace elements (TE), including potentially toxic elements (PTE) in shale plays and deposits in various regions of the world. Their comparative analysis was carried out and the highest concentrations of PTE in the shales of some regions were revealed. The author notes that the destruction of organometallic compounds occurs during the development of shale hydrocarbon (HC) using horizontal drilling with hydraulic fracturing – injecting large volumes of chemicals while increasing the temperature. During such destruction processes, PTE can escape into the environment: into groundwater, soil layers, and other objects of economic use, and also deteriorate well equipment. In connection with the noted environmental hazards present during the development of shale HC, this paper proposes to monitor the content of TE in both shale rocks as well as in extracted shale oil in order to mitigate the risks of their release into the environment. In addition, developers and scientists should consider the losses of industrially significant volumes of valuable metals that occur due to the lack of cost-effective technologies for their capture and extraction from naphthides.
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Reports on the topic "Organometallic compounds. Transition metals"

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Vasbinder, Michael John. Oxidations of Organic and Inorganic Substrates by Superoxo-, hydroperoxo-, and oxo-compounds of the transition metals. Office of Scientific and Technical Information (OSTI), January 2006. http://dx.doi.org/10.2172/897378.

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