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Journal articles on the topic 'Hemilabile ligands'

Author: Grafiati

Published: 4 June 2021

Last updated: 14 February 2022

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1

Rowley, Christopher N., and Tom K. Woo. "Computational design of ruthenium hydride olefin-hydrogenation catalysts containing hemilabile ligands,." Canadian Journal of Chemistry 87, no. 7 (2009): 1030–38. http://dx.doi.org/10.1139/v09-077.

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Three ruthenium hydridocarbonyl complexes containing bidentate hemilabile ligands have been evaluated as possible catalysts for the H2 hydrogenation of olefins. Our previous investigations of the mainstay hydridoruthenium catalyst, RuHCl(CO)(PR3)2 (1), indicated that the rate-limiting olefin-insertion barrier was increased by the need for an H2 molecule to act as a stabilizing two-electron donor. Using density functional theory (DFT) calculations, we have determined that a P,N phosphane-oxazoline would be suitable for stabilizing the metal center of the complex RuHCl(CO)(PiPr3)(DZ), where DZ i

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2

Ulm, Franck, Amalia I. Poblador-Bahamonde, Sabine Choppin та ін. "Synthesis, characterization, and catalytic application in aldehyde hydrosilylation of half-sandwich nickel complexes bearing (κ1-C)- and hemilabile (κ2-C,S)-thioether-functionalised NHC ligands". Dalton Transactions 47, № 47 (2018): 17134–45. http://dx.doi.org/10.1039/c8dt03882a.

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3

Piskunov, Alexandr V., Kira I. Pashanova, Artem S. Bogomyakov, Ivan V. Smolyaninov, Andrey G. Starikov, and Georgy K. Fukin. "Cobalt complexes with hemilabile o-iminobenzoquinonate ligands: a novel example of redox-induced electron transfer." Dalton Transactions 47, no. 42 (2018): 15049–60. http://dx.doi.org/10.1039/c8dt02733a.

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4

Slade, Angela T., Cornelis Lensink, Andrew Falshaw, George R. Clark, and L. James Wright. "Ruthenium and osmium complexes of hemilabile chiral monophosphinite ligands derived from 1D-pinitol or 1D-chiro-inositol as catalysts for asymmetric hydrogenation reactions." Dalton Trans. 43, no. 45 (2014): 17163–71. http://dx.doi.org/10.1039/c4dt02558j.

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Chiral monophosphinite ligands derived from 1D-pinitol or 1D-chiro-inositol coordinate to ruthenium as bidentate hemilabile ligands to produce ketone hydrogenation catalysts that give high conversions but low %ee values.

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5

Goonesinghe, Chatura, Hootan Roshandel, Carlos Diaz, et al. "Cationic indium catalysts for ring opening polymerization: tuning reactivity with hemilabile ligands." Chemical Science 11, no. 25 (2020): 6485–91. http://dx.doi.org/10.1039/d0sc01291b.

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6

Pisk, Jana, Mirta Rubčić, Dino Kuzman, Marina Cindrić, Dominique Agustin, and Višnja Vrdoljak. "Molybdenum(vi) complexes of hemilabile aroylhydrazone ligands as efficient catalysts for greener cyclooctene epoxidation: an experimental and theoretical approach." New Journal of Chemistry 43, no. 14 (2019): 5531–42. http://dx.doi.org/10.1039/c9nj00229d.

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7

Vosáhlo, Petr, Jiří Schulz, Karel Škoch, Ivana Císařová, and Petr Štěpnička. "Synthesis and characterisation of palladium(ii) complexes with hybrid phosphinoferrocene ligands bearing additional O-donor substituents." New Journal of Chemistry 43, no. 11 (2019): 4463–70. http://dx.doi.org/10.1039/c9nj00298g.

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8

Arnold, Polly L., Thomas Cadenbach, Isobel H. Marr, et al. "Homo- and heteroleptic alkoxycarbene f-element complexes and their reactivity towards acidic N–H and C–H bonds." Dalton Trans. 43, no. 38 (2014): 14346–58. http://dx.doi.org/10.1039/c4dt01442a.

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9

Bernhammer, Jan Christopher, Gilles Frison та Han Vinh Huynh. "Pincer versus pseudopincer: isomerism in palladium(ii) complexes bearing κ3C,S,C ligands". Dalton Trans. 43, № 23 (2014): 8591–94. http://dx.doi.org/10.1039/c4dt01047g.

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10

Paradiso, Veronica, Vito Capaccio, David Hermann Lamparelli, and Carmine Capacchione. "Metal Complexes Bearing Sulfur-Containing Ligands as Catalysts in the Reaction of CO2 with Epoxides." Catalysts 10, no. 8 (2020): 825. http://dx.doi.org/10.3390/catal10080825.

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Coupling of CO2 with epoxides is a green emerging alternative for the synthesis of cyclic organic carbonates (COC) and aliphatic polycarbonates (APC). The scope of this work is to provide a comprehensive overview of metal complexes having sulfur-containing ligands as homogeneous catalytic systems able to efficiently promote this transformation with a concise discussion of the most significant results. The crucial role of sulfur as the hemilabile ligand and its influence on the catalytic activity are highlighted as well.

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11

Nair, Ashwin G., Roy T. McBurney, D. Barney Walker, et al. "Ruthenium(ii) complexes of hemilabile pincer ligands: synthesis and catalysing the transfer hydrogenation of ketones." Dalton Transactions 45, no. 36 (2016): 14335–42. http://dx.doi.org/10.1039/c6dt02459a.

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12

Pucino, Margherita, Florian Allouche, Christopher P. Gordon, Michael Wӧrle, Victor Mougel, and Christophe Copéret. "A reactive coordinatively saturated Mo(iii) complex: exploiting the hemi-lability of tris(tert-butoxy)silanolate ligands." Chemical Science 10, no. 25 (2019): 6362–67. http://dx.doi.org/10.1039/c9sc01955c.

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Hemilabile tris(tert-butoxy)silanolate ligands allow stabilizing a mononuclear octahedral Mo(iii) complex without quenching its reactivity towards small molecules (N<sub>2</sub>, CO<sub>2</sub>, N<sub>2</sub>O).

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13

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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14

Ramirez, Antonio, Xiufeng Sun, and David B. Collum. "Lithium Diisopropylamide-Mediated Enolization: Catalysis by Hemilabile Ligands." Journal of the American Chemical Society 128, no. 31 (2006): 10326–36. http://dx.doi.org/10.1021/ja062147h.

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15

Farrell, Joshua R., Adam H. Eisenberg, Chad A. Mirkin, et al. "Templated Formation of Binuclear Macrocycles via Hemilabile Ligands." Organometallics 18, no. 23 (1999): 4856–68. http://dx.doi.org/10.1021/om990585+.

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16

Faller, John W, Heather L Stokes-Huby, and Mauricio A Albrizzio. "Rearrangements in Allylpalladium Complexes with Hemilabile Chelating Ligands." Helvetica Chimica Acta 84, no. 10 (2001): 3031–42. http://dx.doi.org/10.1002/1522-2675(20011017)84:10<3031::aid-hlca3031>3.0.co;2-8.

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17

Dilsky, Stefan, and Wolfdieter�A Schenk. "Diastereomeric Halfsandwich Rhenium Complexes Containing Hemilabile Phosphane Ligands." European Journal of Inorganic Chemistry 2004, no. 24 (2004): 4859–70. http://dx.doi.org/10.1002/ejic.200400552.

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18

Adams, Gemma M., and Andrew S. Weller. "POP-type ligands: Variable coordination and hemilabile behaviour." Coordination Chemistry Reviews 355 (January 2018): 150–72. http://dx.doi.org/10.1016/j.ccr.2017.08.004.

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19

Higgins, Thomas B., and Chad A. Mirkin. "Model compounds for polymeric redox-switchable hemilabile ligands." Inorganica Chimica Acta 240, no. 1-2 (1995): 347–53. http://dx.doi.org/10.1016/0020-1693(95)04553-8.

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20

Fernandes, Tiago A., Hana Solařová, Ivana Císařová, Filip Uhlík, Martin Štícha, and Petr Štěpnička. "Synthesis of phosphinoferrocene amides and thioamides from carbamoyl chlorides and the structural chemistry of Group 11 metal complexes with these mixed-donor ligands." Dalton Transactions 44, no. 7 (2015): 3092–108. http://dx.doi.org/10.1039/c4dt03279a.

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21

Ding, Shengda, Pokhraj Ghosh, Marcetta Y. Darensbourg, and Michael B. Hall. "Interplay of hemilability and redox activity in models of hydrogenase active sites." Proceedings of the National Academy of Sciences 114, no. 46 (2017): E9775—E9782. http://dx.doi.org/10.1073/pnas.1710475114.

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The hydrogen evolution reaction, as catalyzed by two electrocatalysts [M(N2S2)·Fe(NO)2]+, [Fe-Fe]+ (M = Fe(NO)) and [Ni-Fe]+ (M = Ni) was investigated by computational chemistry. As nominal models of hydrogenase active sites, these bimetallics feature two kinds of actor ligands: Hemilabile, MN2S2 ligands and redox-active, nitrosyl ligands, whose interplay guides the H2 production mechanism. The requisite base and metal open site are masked in the resting state but revealed within the catalytic cycle by cleavage of the MS–Fe(NO)2 bond from the hemilabile metallodithiolate ligand. Introducing tw

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22

Kumar, Kamlesh, and James Darkwa. "Effect of chalcogens on CO insertion into the palladium–methyl bond of [(N^N^X)Pd(CH3)]+ (X = O, S, Se) and on CO/ethylene copolymerisation." Dalton Transactions 44, no. 47 (2015): 20714–27. http://dx.doi.org/10.1039/c5dt03929k.

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Neutral and cationic palladium(ii) complexes of N<sub>pz</sub>^N<sub>py</sub>^X (X = O, S, and Se) tridentate ligands are used to study the CO insertion and CO/ethylene copolymerisation. This study sheds light on the use of chalcogens as hemilabile donor atoms.

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23

Morrow, T. J., W. E. Christman, J. Z. Williams, N. Arulsamy, A. Goroncy, and E. B. Hulley. "Ligand dynamics and protonation preferences of Rh and Ir complexes bearing an almost, but not quite, pendent base." Dalton Transactions 47, no. 8 (2018): 2670–82. http://dx.doi.org/10.1039/c7dt04259k.

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Pendent nucleophiles can assist transition metals mediate bond rearrangements (e.g. as proton acceptors), but can also act as inhibitory hemilabile ligands. This dual nature has been studied in a series of rhodium and iridium complexes that exhibit disparate nucleophile binding ability in the ground state and in protonation reactions.

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24

Bader, Armin, and Ekkehard Lindner. "Coordination chemistry and catalysis with hemilabile oxygen-phosphorus ligands." Coordination Chemistry Reviews 108, no. 1 (1991): 27–110. http://dx.doi.org/10.1016/0010-8545(91)80013-4.

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25

van der Vlugt, Jarl Ivar, Evgeny A. Pidko, Dieter Vogt, Martin Lutz, Anthony L. Spek, and Auke Meetsma. "T-Shaped Cationic CuIComplexes with Hemilabile PNP-Type Ligands." Inorganic Chemistry 47, no. 11 (2008): 4442–44. http://dx.doi.org/10.1021/ic800298a.

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26

Schneider, Joerg J. "ChemInform Abstract: Hemilabile Ligands in Catalysis and Coordination Chemistry." ChemInform 31, no. 29 (2010): no. http://dx.doi.org/10.1002/chin.200029231.

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27

Ferri, Nicolò, Norah Algethami, Andrea Vezzoli, et al. "Hemilabile Ligands as Mechanosensitive Electrode Contacts for Molecular Electronics." Angewandte Chemie International Edition 58, no. 46 (2019): 16583–89. http://dx.doi.org/10.1002/anie.201906400.

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28

Ferri, Nicolò, Norah Algethami, Andrea Vezzoli, et al. "Hemilabile Ligands as Mechanosensitive Electrode Contacts for Molecular Electronics." Angewandte Chemie 131, no. 46 (2019): 16736–42. http://dx.doi.org/10.1002/ange.201906400.

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29

Fliedel, Christophe, Gilles Schnee, and Pierre Braunstein. "Versatile coordination modes of novel hemilabile S-NHC ligands." Dalton Transactions, no. 14 (2009): 2474. http://dx.doi.org/10.1039/b902314n.

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30

Fukuda, Yoshimasa, Kazuhiro Kondo, and Toyohiko Aoyama. "Development of Novel Hemilabile Segphos P–P=O Ligands." CHEMICAL & PHARMACEUTICAL BULLETIN 55, no. 6 (2007): 955–56. http://dx.doi.org/10.1248/cpb.55.955.

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31

Burrows, Andrew D. "The Design and Applications of Multifunctional Ligands." Science Progress 85, no. 3 (2002): 199–217. http://dx.doi.org/10.3184/003685002783238799.

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The properties of a metal coordination complex are determined as much by the ligand set – the molecules and ions coordinated to the metal centre – as by the nature of the metal itself. The design and use of new ligands is consequently a major part of chemical research. This review considers the role of multifunctional ligands in three separate and distinct areas of chemistry. In homogeneous catalysis, the role of hybrid and hemilabile ligands is considered, and the introduction of functionalities designed to overcome problems of separation, either by tethering or solubilising, is discussed. In

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32

Keim, Wilhelm, Heiko Maas, and Stefan Mecking. "Palladium Catalyzed Alternating Cooligomerization of Ethylene and Carbon Monoxide to Unsaturated Ketones." Zeitschrift für Naturforschung B 50, no. 3 (1995): 430–38. http://dx.doi.org/10.1515/znb-1995-0318.

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Cationic palladium catalysts have been used to cooligomerize ethylene and carbon monoxide. At high ethylene/CO ratios (m /m = 10:1) in methylene chloride as a solvent, unsaturated alternating cooligomers of the general structure R[C(O)CH2CH2]mH ( m ≥ 1 ; R ≡CH2=CH-, CH2=CHCH2CH2- and CH3CH = CHCH2-) were obtained for the first time. Single component catalyst precursors [(allyl)Pd(P^X )]+Y- (P^X = Ph2P(CH2)nC(= O )OR, Ph2P(CH2)2P(=O)Ph2, Ph2P(CH2)nPh2P(CH2)2S (=O )Ph, n = 1 - 3 , R = Me, Et; Y- = BF4-, SbF6- ) with bidentate P,O- and P,S-ligands as well as in situ catalysts with unfunctionalize

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33

Gushchin, Artem L., Nikita Y. Shmelev, Svetlana F. Malysheva, et al. "Hemilability of phosphine-thioether ligands coordinated to trinuclear Mo3S4 cluster and its effect on hydrogenation catalysis." New Journal of Chemistry 42, no. 21 (2018): 17708–17. http://dx.doi.org/10.1039/c8nj03720e.

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Phosphine-thioether ligands were coordinated to the Mo<sub>3</sub>S<sub>4</sub> cluster to afford [Mo<sub>3</sub>S<sub>4</sub>Cl<sub>3</sub>(PS)<sub>3</sub>]<sup>+</sup> complexes. Their catalytic activity in nitrobenzene reduction reflects the different hemilabile behaviours of PS1, PS2 and PS3.

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34

Romanov, Alexander S., Florian Chotard, Jahan Rashid, and Manfred Bochmann. "Synthesis of copper(i) cyclic (alkyl)(amino)carbene complexes with potentially bidentate N^N, N^S and S^S ligands for efficient white photoluminescence." Dalton Transactions 48, no. 41 (2019): 15445–54. http://dx.doi.org/10.1039/c9dt02036e.

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35

Le Gall, Irène, Pascale Laurent, Eric Soulier, Jean-Yves Salaün, and Hervé des Abbayes. "Complexation on rhodium of bidentate and potentially hemilabile phosphorous ligands." Journal of Organometallic Chemistry 567, no. 1-2 (1998): 13–20. http://dx.doi.org/10.1016/s0022-328x(98)00662-7.

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36

Zhang, Yu, Toby J. Woods, and Thomas B. Rauchfuss. "Application of Hemilabile Ligands to “At-Metal Switching” Hydrogenation Catalysis." Organometallics 39, no. 19 (2020): 3602–12. http://dx.doi.org/10.1021/acs.organomet.0c00562.

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37

Ulmann, Pirmin A, Aaron M Brown, Maxim V Ovchinnikov, Chad A Mirkin, Antonio G DiPasquale, and Arnold L Rheingold. "Spontaneous Formation of Heteroligated PtII Complexes with Chelating Hemilabile Ligands." Chemistry - A European Journal 13, no. 16 (2007): 4529–34. http://dx.doi.org/10.1002/chem.200601837.

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38

Slone, Caroline S., Dana A. Weinberger, and Chad A. Mirkin. "ChemInform Abstract: The Transition-Metal Coordination Chemistry of Hemilabile Ligands." ChemInform 30, no. 26 (2010): no. http://dx.doi.org/10.1002/chin.199926283.

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39

Köckritz, Angela, and Axel Weigt. "Aromatic and Chiral Phosphonate-Phosphanes - New Types of Hemilabile Ligands." Phosphorus, Sulfur, and Silicon and the Related Elements 111, no. 1 (1996): 176. http://dx.doi.org/10.1080/10426509608054805.

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40

Frank, Nicolas, Katharina Hanau, and Robert Langer. "Metal–Ligand Cooperation in H2Activation with Iron Complexes Bearing Hemilabile Bis(diphenylphosphino)amine Ligands." Inorganic Chemistry 53, no. 20 (2014): 11335–43. http://dx.doi.org/10.1021/ic5022164.

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41

Ulmann, Pirmin A., Chad A. Mirkin, Antonio G. DiPasquale, Louise M. Liable-Sands, and Arnold L. Rheingold. "Reversible Ligand Pairing and Sorting Processes Leading to Heteroligated Palladium(II) Complexes with Hemilabile Ligands." Organometallics 28, no. 4 (2009): 1068–74. http://dx.doi.org/10.1021/om801060m.

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42

Ramírez, Antonio, Emil Lobkovsky, and David B. Collum. "Hemilabile Ligands in Organolithium Chemistry: Substituent Effects on Lithium Ion Chelation." Journal of the American Chemical Society 125, no. 50 (2003): 15376–87. http://dx.doi.org/10.1021/ja030322d.

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43

Rimola, Albert, Mariona Sodupe, Josep Ros, and Josefina Pons. "A Theoretical Study on PdII Complexes Containing Hemilabile Pyrazole-Derived Ligands." European Journal of Inorganic Chemistry 2006, no. 2 (2006): 447–54. http://dx.doi.org/10.1002/ejic.200500794.

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44

Michelet, Bastien, David Lebœuf, Christophe Bour, et al. "Catalytic Activity of Gold(I) Complexes with Hemilabile P,N Ligands." ChemPlusChem 82, no. 3 (2017): 442–48. http://dx.doi.org/10.1002/cplu.201600562.

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45

BADER, A., and E. LINDNER. "ChemInform Abstract: Coordination Chemistry and Catalysis with Hemilabile Oxygen-Phosphorus Ligands." ChemInform 22, no. 23 (2010): no. http://dx.doi.org/10.1002/chin.199123282.

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46

Weber, R., W. Keim, M. Möthrath, U. Englert, and B. Ganter. "Hydroformylation of epoxides catalyzed by cobalt and hemilabile P–O ligands." Chemical Communications, no. 15 (2000): 1419–20. http://dx.doi.org/10.1039/b002703k.

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47

Richter, Birgit, and Helmut Werner. "Carbyne and Carbyne(hydrido) Osmium Complexes Containing Hemilabile Phosphines as Ligands†." Organometallics 28, no. 17 (2009): 5137–41. http://dx.doi.org/10.1021/om900507f.

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48

Jung, Stefan, Carsten D. Brandt, and Helmut Werner. "A cationic allenylideneruthenium(II) complex with two bulky hemilabile phosphine ligands." New Journal of Chemistry 25, no. 9 (2001): 1101–3. http://dx.doi.org/10.1039/b104787f.

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49

Jansen, Achim, та Stephan Pitter. "Synthesis of Hemilabile P,N Ligands: ω-2-Pyridyl-n-alkylphosphines". Monatshefte für Chemie / Chemical Monthly 130, № 6 (1999): 783–94. http://dx.doi.org/10.1007/pl00010260.

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50

Lindner, Ekkehard, and Berthold Karle. "Notizen: Neuartige basische Liganden für die homogenkatalytische Methanolcarbonylierung, XXVII [1] / Fluktuierendes Verhalten von Tris(Ether-Phosphan)-Ruthenium(II)-Komplexen / Novel Basic Ligands for the Homogenous Catalytic Carbonylation of Methanol, XXVII. Fluxional Behaviour of Tris(ether-phosphane) Ruthenium(II) Complexes." Zeitschrift für Naturforschung B 45, no. 7 (1990): 1108–10. http://dx.doi.org/10.1515/znb-1990-0737.

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Three equivalents of the ether-phosphane ligands 2a-c react with Cl2Ru(PPh3)3 (1) to give the complexes trans-Cl2Ru(P ̑O)(P∼O)2 (3a-c) (P∼O = η1-P-coordinated; P ̑O = η2-Ο,Ρ-coordinated). The hemilabile character of the P,O–ligands is becoming evident by the fluxional behaviour of 3 a-c. The coalescence temperatures in the AB part of their 31P{1H} NMR spectra are found at -10, 15 and -15 °C (AG* = 48, 53 and 47 kJ/mol). Because of steric effects, 3 a, in which the ether oxygen atom has the lowest basicity, and 3c, with the smallest ether substituent, show nearly the same dynamic properties.

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