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273 Newest Publications about the topic solution

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Solution Stability of Organocalcium Compounds in Ethereal Media

06-11-2014 | Mathias Köhler; Jens Langer; Helmar Görls; Matthias Westerhausen, Organometallics, 2014

Organocalcium compounds (post-Grignard reagents) of the type [Ca(R)(X)(L)n] are very reactive and able to degrade ethers with α- and β-deprotonation as possible first reaction step. In this systematic study, the durability of phenyl-, α-naphthyl-, and 1,2-dihydronaphth-4-ylcalcium derivatives in ...

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Air-Stable Chiral Primary Phosphines: A Gateway to MOP Ligands with Previously Inaccessible Stereoelectronic Profiles

06-11-2014 | Arne Ficks; William Clegg; Ross W. Harrington; Lee J. Higham, Organometallics, 2014

The air-stable chiral primary phosphines 1a,b facilitate the synthesis of previously inaccessible or hard-to-access chiral MOP-type ligands 2a,b–5a,b, which can be prepared in one-pot reactions. These derivatives have been prepared to allow for a unique comparison of their differing structural ...

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Synthesis, Geometry, and Bonding Nature of Heptacoordinate Compounds of Silicon and Germanium Featuring Three Phosphine Donors

06-11-2014 | Hajime Kameo; Tatsuya Kawamoto; Shigeyoshi Sakaki; Didier Bourissou; Hiroshi Nakazawa, Organometallics, 2014

Structural studies were performed on heptacoordinate compounds of silicon {(o-Ph2P)C6H4}3SiX (X = F (1), Cl (3), H (5)) and germanium {(o-Ph2P)C6H4}3GeX (X = F (2), Cl (4), H (6), Me (7)) compounds featuring three phosphine donors. We found that 5, 6, and 7 have approximately a C3 symmetry ...

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New Water-Soluble Iridium(I)–N-Heterocyclic Carbene–Tertiary Phosphine Mixed-Ligand Complexes as Catalysts of Hydrogenation and Redox Isomerization

06-11-2014 | Henrietta Horváth; Ágnes Kathó; Antal Udvardy; Gábor Papp; Dorina Szikszai; Ferenc Joó, Organometallics, 2014

Seven new [Ir(NHC)(η4-cod)(L)] complexes (4–9, 11) with NHC = bmim, emim, L = Cl–, H2O, or the water-soluble phosphines mtppms-Na, mtppts-Na3, and pta were synthesized and characterized. Na2[Ir(bmim)(η4-cod)(mtppts)] (6) and [Ir(bmim)(η4-cod)(pta)]Cl (7) actively catalyzed hydrogenation of ...

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Exceptional Behavior of Ni2O2 Species Revealed by ESI-MS and MS/MS Studies in Solution. Application of Superatomic Core To Facilitate New Chemical Transformations

06-11-2014 | Dmitry B. Eremin; Valentine P. Ananikov, Organometallics, 2014

Acetonitrile solutions of nickel(II) acetylacetonate, which is ubiquitously used in different fields of organometallic chemistry and catalysis, were investigated by means of electrospray ionization mass spectrometry (ESI-MS) and tandem mass spectrometry (MS/MS). The detected Ni2(acac)3+ ion with ...

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Structure vs 119Sn NMR Chemical Shift in Three-Coordinated Tin(II) Complexes: Experimental Data and Predictive DFT Computations

04-11-2014 | Lingfang Wang; Christos E. Kefalidis; Thierry Roisnel; Sourisak Sinbandhit; Laurent Maron; Jean-François Carpentier; ..., Organometallics, 2014

The new amido-/alkoxy-tin complexes [Sn(μ-OSiPh3)(OSiPh3)]2 (4), [Sn(μ-OiPr)(OSiPh3)]2 (5), [Sn(μ-OSiPh3)(Cl)]2 (6), [Sn(μ-OiPr)(Cl)]2 (7), [Sn(OSiPh3)(NMe2)]2 (8), and [Sn(OiPr)(NMe2)]2 (9) have been synthesized. The molecular solid-state structures of 4–7 established by XRD analysis show these ...

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Synthesis of Au(I) Trifluoromethyl Complexes. Oxidation to Au(III) and Reductive Elimination of Halotrifluoromethanes

24-10-2014 | María Blaya; Delia Bautista; Juan Gil-Rubio; José Vicente, Organometallics, 2014

Au(I) trifluoromethyl complexes [Au(CF3)L] (L = N-heterocyclic carbene (NHC), isonitrile, phosphine, P(OMe)3) and [Au2(CF3)2(μ-dppe)] are prepared by reaction of [Au(X)L] (X = Cl, I) or [Au2Cl2(μ-dppe)], respectively, with AgF and Me3SiCF3. The analogous reaction of PPN[Au(C6F5)Cl] (PPN+ = ...

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Hydrido{(acylphosphine)(diphenylphosphinous acid)}rhodium(III) Complexes. Catalysts for the Homogeneous Hydrolysis of Ammonia- or Amine-Boranes under Air

10-10-2014 | Virginia San Nacianceno; Lourdes Ibarlucea; Claudio Mendicute-Fierro; Antonio Rodríguez-Diéguez; José M. Seco; Itzia ..., Organometallics, 2014

The reaction of [RhCl(COD)]2 (COD = 1,5-cyclooctadiene) with PPh2(o-C6H4CHO) (Rh/P = 1:1) in the presence of 4-methylpyridine (4-pic) or isoquinoline (iquin) leads to hydridoacyl complexes [RhHCl(PPh2(o-C6H4CO))L2] (L = 4-pic, 1; iquin, 2). Their reaction with diphenylphosphine oxide affords ...

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Bis[N,N′-diisopropylbenzamidinato(−)]silicon(II): Cycloaddition Reactions with Organic 1,3-Dienes and 1,2-Diketones

08-10-2014 | Nadine Laskowski; Konstantin Junold; Claudia Kupper; Johannes A. Baus; Christian Burschka; Reinhold Tacke, Organometallics, 2014

Reaction of the donor-stabilized silylene 1 (which is three-coordinate in the solid state and four-coordinate in solution) with organic 1,3-dienes (2,3-dimethyl-1,3-butadiene, 1,3-butadiene, (E,E)-1,4-diphenyl-1,3-butadiene, 2,3-dibenzyl-1,3-butadiene, 1,3-cyclohexadiene, or cyclooctatetraene) ...

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Mechanochemical Synthesis of [1,3-(SiMe3)2C3H3]3(Al,Sc), a Base-Free Tris(allyl)aluminum Complex and Its Scandium Analogue

08-10-2014 | Nicholas R. Rightmire; Timothy P. Hanusa; Arnold L. Rheingold, Organometallics, 2014

Unsolvated tris(allyl)aluminum, (C3H5)3Al, has never been isolated, although adducts with THF, OPPh3, and pyridine are known. Attempts to make a base-free derivative with the bulky 1,3-bis(trimethylsilyl)allyl anion (A′) from the reaction of aluminum halides and K[A′] in ethers or by ...

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