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Themed collection In memory of Professor Kenneth Wade

62 articles
Perspective

Homopolar dihydrogen bonding in main group hydrides: discovery, consequences, and applications

This perspective describes the recent discovery and investigation of homopolar dihydrogen bonding, and focuses on the identification and characterisation of hydride–hydride interactions in compounds of the main group elements.

Graphical abstract: Homopolar dihydrogen bonding in main group hydrides: discovery, consequences, and applications
From the themed collection: In memory of Professor Kenneth Wade
Perspective

Structural and bonding patterns in gold clusters

The structures of phosphine and thiolato- clusters of gold are summarised and a theoretical model which unites the broad structural properties is presented.

Graphical abstract: Structural and bonding patterns in gold clusters
From the themed collection: In memory of Professor Kenneth Wade
Perspective

Carboranes in the chemist's toolbox

A carborane-fullerene dyad for organic field-effect transistors illustrates one of the many diverse areas of technology in which the special properties of these polyhedral boron clusters are being exploited.

Graphical abstract: Carboranes in the chemist's toolbox
From the themed collection: In memory of Professor Kenneth Wade
Perspective

EuroTracker® dyes: design, synthesis, structure and photophysical properties of very bright europium complexes and their use in bioassays and cellular optical imaging

The creation of the most emissive series of europium complexes is traced and examples given of their use in imaging.

Graphical abstract: EuroTracker® dyes: design, synthesis, structure and photophysical properties of very bright europium complexes and their use in bioassays and cellular optical imaging
From the themed collection: In memory of Professor Kenneth Wade
Communication

Molecular and electronic structures of donor-functionalized dysprosium pentadienyl complexes

The molecular structures of two dysprosium complexes of donor-functionalized pentadienyl ligands are described. Electronic structure calculations reveal that the W-shaped pentadienyl ligand strongly influences the orientation of the main magnetic axis of the ground Kramers doublets in both complexes.

Graphical abstract: Molecular and electronic structures of donor-functionalized dysprosium pentadienyl complexes
From the themed collection: In memory of Professor Kenneth Wade
Open Access Communication

A CH2Cl2 complex of a [Rh(pincer)]+ cation

The CH2Cl2 adduct of a Rh-PONOP-pincer complex is reported, that is also a latent low coordinate synthon for the synthesis of other species.

Graphical abstract: A CH2Cl2 complex of a [Rh(pincer)]+ cation
From the themed collection: In memory of Professor Kenneth Wade
Open Access Communication

Intramolecular N-coordination in ketiminoboranes

Ketiminoboranes, R2C[double bond, length as m-dash]NB-R′2, pioneered by Wade et al., are formally isoelectronic with allenes but undergo intramolecular cyclisation when R = 2-pyridyl to form heterocyclic boranes with N-donor capability.

Graphical abstract: Intramolecular N-coordination in ketiminoboranes
From the themed collection: In memory of Professor Kenneth Wade
Open Access Communication

Divalent ytterbium complexes with crown and heterocrown ethers

Unusual complexes of ytterbium(II) stabilised by coordination to mixed O4X2-donor macrocyclic ligands (X = O, NH, S or Se) are described.

Graphical abstract: Divalent ytterbium complexes with crown and heterocrown ethers
From the themed collection: In memory of Professor Kenneth Wade
Paper

Tin(II) ketoacidoximates: synthesis, X-ray structures and processing to tin(II) oxide

The synthesis and crystal structure of novel tin(II) ketoacidoximates and their utility in forming SnO particles and thin films with a high level of oxidation control under ambient conditions are described.

Graphical abstract: Tin(ii) ketoacidoximates: synthesis, X-ray structures and processing to tin(ii) oxide
From the themed collection: In memory of Professor Kenneth Wade
Paper

The ligand polyhedral model approach to the mechanism of complete carbonyl exchange in [Rh4(CO)12] and [Rh6(CO)16]

The Ligand Polyhedral Model (LPM) is applied to the carbonyl scrambling observed on the NMR timescale for the two cluster carbonyls [Rh4(CO)12] and [Rh6(CO)16].

Graphical abstract: The ligand polyhedral model approach to the mechanism of complete carbonyl exchange in [Rh4(CO)12] and [Rh6(CO)16]
From the themed collection: In memory of Professor Kenneth Wade
Paper

Synthesis and spectroscopic characterization of group 4 post-metallocenes bearing (σ-aryl)-2-phenolate-6-pyridyl and -isoquinolinyl auxiliaries

The title complexes have been characterized for X = F by multinuclear NMR (including [1H,19F]-HMBC) experiments, confirming that the observed 19F–1H (and –13C) coupling occurs with chemical connectivity across C–H⋯F–C interactions, and their catalytic efficiencies for ethylene polymerization have been investigated.

Graphical abstract: Synthesis and spectroscopic characterization of group 4 post-metallocenes bearing (σ-aryl)-2-phenolate-6-pyridyl and -isoquinolinyl auxiliaries
From the themed collection: In memory of Professor Kenneth Wade
Paper

Synthesis and chemistry of the open-cage cobaltaheteroborane cluster [{(η5-C5Me5)Co}2B2H2Se2]: a combined experimental and theoretical study

An open cage triple-decker molecule with three planar rings almost parallel to each other (see the picture).

Graphical abstract: Synthesis and chemistry of the open-cage cobaltaheteroborane cluster [{(η5-C5Me5)Co}2B2H2Se2]: a combined experimental and theoretical study
From the themed collection: In memory of Professor Kenneth Wade
Paper

[Au5Mes5]: improved gram-scale synthesis and its use as a convenient precursor for halide-free supported gold nanoparticles

A novel, simplified synthesis of [Au5Mes5] and its use for deposition of halide free Au nanoparticles on SiO2 and Al2O3.

Graphical abstract: [Au5Mes5]: improved gram-scale synthesis and its use as a convenient precursor for halide-free supported gold nanoparticles
From the themed collection: In memory of Professor Kenneth Wade
Open Access Paper

Syntheses, structural characterisation and electronic structures of some simple acyclic amino carbene complexes

Reactions of the vinylidene complexes [M(C[double bond, length as m-dash]CH2)(PP)Cp′]PF6 with NH3 readily afford the acyclic amino carbene complexes [M{C(Me)NH2}(PP)Cp′]PF6 [M(PP)Cp′ = Fe(dppe)Cp, Ru(dppe)Cp, Ru(PPh3)2Cp, Ru(dppe)Cp*].

Graphical abstract: Syntheses, structural characterisation and electronic structures of some simple acyclic amino carbene complexes
From the themed collection: In memory of Professor Kenneth Wade
Open Access Paper

Synthesis and characterisation of halide, separated ion pair, and hydride cyclopentadienyl iron bis(diphenylphosphino)ethane derivatives

The synthesis and structures of 25 halide, separated ion pair, and hydride cyclopentadienyl iron bis(diphenylphosphino)ethane complexes are described.

Graphical abstract: Synthesis and characterisation of halide, separated ion pair, and hydride cyclopentadienyl iron bis(diphenylphosphino)ethane derivatives
From the themed collection: In memory of Professor Kenneth Wade
Paper

Bis(phenolate)amine-supported lanthanide borohydride complexes for styrene and trans-1,4-isoprene (co-)polymerisations

New bis(phenolate)amine-supported neodymium borohydride complexes and their previously reported samarium analogues were tested as catalysts for the polymerisation of styrene and isoprene.

Graphical abstract: Bis(phenolate)amine-supported lanthanide borohydride complexes for styrene and trans-1,4-isoprene (co-)polymerisations
From the themed collection: In memory of Professor Kenneth Wade
Paper

Stoichiometric and catalytic Si–N bond formation using the p-block base Al(NMe2)3

The aluminium reagent Al(NMe2)3 acts as a stoichiometric or catalytic reagent in dehydrogenic Si–N bond formation using amines and silanes. The observed catalytic rate law suggests a mechanism involving the silane component in the deprotonation of the amine.

Graphical abstract: Stoichiometric and catalytic Si–N bond formation using the p-block base Al(NMe2)3
From the themed collection: In memory of Professor Kenneth Wade
Open Access Paper

A computational analysis of the apparent nido vs. hypho conflict: are we dealing with six- or eight-vertex open-face diheteroboranes?

Computational studies have been undertaken to investigate the electronic structures of six hetero-substituted borane cages, concluding that hypho-7,8-[S2B6H9] is the only true hypho species in this series.

Graphical abstract: A computational analysis of the apparent nido vs. hypho conflict: are we dealing with six- or eight-vertex open-face diheteroboranes?
From the themed collection: In memory of Professor Kenneth Wade
Open Access Paper

Iminoborylene complexes: evaluation of synthetic routes towards BN-allenylidenes and unexpected reactivity towards carbodiimides

The iminoborylene complex [CpFe(PCy3)(CO)(BNCMes2)]+ undergoes M[double bond, length as m-dash]B metathesis reactivity with carbodiimides, resulting in Fe[double bond, length as m-dash]B cleavage and the formation of isonitrile complexes.

Graphical abstract: Iminoborylene complexes: evaluation of synthetic routes towards BN-allenylidenes and unexpected reactivity towards carbodiimides
From the themed collection: In memory of Professor Kenneth Wade
Paper

Ligand field influence on the electronic and magnetic properties of quasi-linear two-coordinate iron(II) complexes

The magnetic properties and ligand-field effects for quasi-linear iron(II) complexes are explored with the aid of theoretical models.

Graphical abstract: Ligand field influence on the electronic and magnetic properties of quasi-linear two-coordinate iron(ii) complexes
From the themed collection: In memory of Professor Kenneth Wade
Paper

Intramolecular hydrogen bonding stabilizes the nuclearity of complexes. A comparative study based on the H-carborane and Me-carborane framework

The H– on the adjacent carbon of the carboranylcarboxylate ligand is responsible for intramolecular interactions that stabilize the nuclearity of Cu(II) complexes.

Graphical abstract: Intramolecular hydrogen bonding stabilizes the nuclearity of complexes. A comparative study based on the H-carborane and Me-carborane framework
From the themed collection: In memory of Professor Kenneth Wade
Open Access Paper

Syntheses and reductions of C-dimesitylboryl-1,2-dicarba-closo-dodecaboranes

An investigation of C-dimesitylboryl-ortho-carboranes, 1-(BMes2)-2-R-1,2-C2B10H10 (1 and 2), reveals that the carborane is the electron-acceptor and the mesityl group is the electron-donor in these dyads.

Graphical abstract: Syntheses and reductions of C-dimesitylboryl-1,2-dicarba-closo-dodecaboranes
From the themed collection: In memory of Professor Kenneth Wade
Paper

Cyanide free contraction of disclosed 1,4-dioxane ring as a route to cobalt bis(dicarbollide) derivatives with short spacer between the boron cage and terminal functional group

The 1,4-dioxane derivative of cobalt bis(dicarbollide) reacts with dialkylsulfides and triphenylphosphine to give the corresponding sulfonium and phosphonium derivatives.

Graphical abstract: Cyanide free contraction of disclosed 1,4-dioxane ring as a route to cobalt bis(dicarbollide) derivatives with short spacer between the boron cage and terminal functional group
From the themed collection: In memory of Professor Kenneth Wade
Open Access Paper

Hydrothermal synthesis of Group 13 metal trifluoride complexes with neutral N-donor ligands

MF3·3H2O (M = Al, Ga or In) react with neutral imine ligands under hydrothermal conditions to yield mer-trifluoro complexes with extensive H-bonding.

Graphical abstract: Hydrothermal synthesis of Group 13 metal trifluoride complexes with neutral N-donor ligands
From the themed collection: In memory of Professor Kenneth Wade
Paper

The contrarotational fluxionality of [3,3-(PMe2Ph)2-closo-3,1,2-PtC2B9H11] and related species

DFT calculations allied with experimental crystallographic and NMR results elucidate the energetics and the geometrical and 11B nuclear shielding changes in the contrarotational fluxionality of [3,3-(PMe2Ph)2-closo-3,1,2-PtC2B9H11] and confirm the incidence and identities of two stable rotational conformers.

Graphical abstract: The contrarotational fluxionality of [3,3-(PMe2Ph)2-closo-3,1,2-PtC2B9H11] and related species
From the themed collection: In memory of Professor Kenneth Wade
Open Access Paper

New donor–acceptor conjugates based on a trifluorenylporphyrin linked to a redox–switchable ruthenium unit

Spectroelectrochemical studies show four accessible redox states on dyad 3 with the first oxidation process taking place at the Ru(II) centre and the second oxidation and first reduction processes at the porphyrin centre.

Graphical abstract: New donor–acceptor conjugates based on a trifluorenylporphyrin linked to a redox–switchable ruthenium unit
From the themed collection: In memory of Professor Kenneth Wade
Paper

[1,1-(η2-dppe)-3-(NC5H5)-closo-1,2-RhSB9H8]: conformational lability and reactivity with H2 upon protonation

The {SB9H8(NC5H5)}-to-{Rh(dppe)} linkage is labilized upon protonation leading to a closonido tautomerism; non-rigidity and higher Lewis acidity, induced by the proton, make possible the H2 activation on the cationic rhodathiaborane.

Graphical abstract: [1,1-(η2-dppe)-3-(NC5H5)-closo-1,2-RhSB9H8]: conformational lability and reactivity with H2 upon protonation
From the themed collection: In memory of Professor Kenneth Wade
Paper

Group 4 metal compounds incorporating the amide ligand, [N(SiMe2{C6H4-2-OMe})2]

A bis(2-methoxybenzene)-substituted disilazide pincer ligand coordinates to group 4 metal compounds to afford a conformationally flexible metallacycle.

Graphical abstract: Group 4 metal compounds incorporating the amide ligand, [N(SiMe2{C6H4-2-OMe})2]−
From the themed collection: In memory of Professor Kenneth Wade
Paper

Bismuth–lithium bonding in the ion pairs: LiBiL2, where L = a porphyrin or a salen ligand

From the reaction between BiCl3 (1 equiv.) and LiN(SiMe3)2 (4 equiv.) and LH2 (2 equiv.), where L = a tetraphenylporphyrin, TPP, an octaethylporphyrin, OEP and phsalen in THF the title compounds have been obtained I LiBiTPP2, II LiBiOEP2, and IIIA LiBi(phsalen)2 and IIIB LiBi(phsalen)2·THF.

Graphical abstract: Bismuth–lithium bonding in the ion pairs: LiBiL2, where L = a porphyrin or a salen ligand
From the themed collection: In memory of Professor Kenneth Wade
Paper

Two alternative approaches to access mixed hydride-amido zinc complexes: synthetic, structural and solution implications

In the presence of a bulky N-heterocyclic carbene, Zn(HMDS)2 can be converted in to either a mononuclear amido/hydride complex or a tetranuclear hydride rich cluster depending on the hydride source and reaction conditions employed.

Graphical abstract: Two alternative approaches to access mixed hydride-amido zinc complexes: synthetic, structural and solution implications
From the themed collection: In memory of Professor Kenneth Wade
Paper

1,3-Bis(2,4,6-trimethylphenyl)triazenides of potassium, magnesium, calcium, and strontium

1,3-Bis(2,4,6-trimethylphenyl)triazenide anions act as bidentate ligands toward s-block metals; in the calcium derivative π-stacking of the aromatic rings leads to additional stabilization of the complex.

Graphical abstract: 1,3-Bis(2,4,6-trimethylphenyl)triazenides of potassium, magnesium, calcium, and strontium
From the themed collection: In memory of Professor Kenneth Wade
Open Access Paper

From unsuccessful H2-activation with FLPs containing B(Ohfip)3 to a systematic evaluation of the Lewis acidity of 33 Lewis acids based on fluoride, chloride, hydride and methyl ion affinities

From hard to soft: The ion affinities of a large set of 33 Lewis acids towards hard and soft bases were examined with a unified isodesmic approach.

Graphical abstract: From unsuccessful H2-activation with FLPs containing B(Ohfip)3 to a systematic evaluation of the Lewis acidity of 33 Lewis acids based on fluoride, chloride, hydride and methyl ion affinities
From the themed collection: In memory of Professor Kenneth Wade
Paper

Peeling the onion: a revised model of the electron count for matryoshka clusters

A model for understanding two isoelectronic matryoshka clusters based on a layer-by-layer electron count assignment is presented.

Graphical abstract: Peeling the onion: a revised model of the electron count for matryoshka clusters
From the themed collection: In memory of Professor Kenneth Wade
Open Access Paper

Solid state and solution studies of lithium tris(n-butyl)magnesiates stabilised by Lewis donors

Donor complexes of the synthetically important lithium magnesiate LiMg(nBu)3 have been prepared and characterised.

Graphical abstract: Solid state and solution studies of lithium tris(n-butyl)magnesiates stabilised by Lewis donors
From the themed collection: In memory of Professor Kenneth Wade
Paper

Dimetallaborane analogues of pentaborane

The lowest energy Cp2M2B3H7 (M = Pd, Pt) and Cp2M2B3H7 (M = Rh, Ir) structures are analogous to the isoelectronic B5H11 and B5H9, respectively. Trigonal bipyramidal structures are found for the electron poorer Cp2M2B3H7 (M = Ru, Os, Mo, W, Ta) systems. Low energy Cp2Re2B3H7 structures include Re2B2 tetrahedra with the Re–Re edge capped by the third boron atom.

Graphical abstract: Dimetallaborane analogues of pentaborane
From the themed collection: In memory of Professor Kenneth Wade
Open Access Paper

Pentaborate(1−) salts templated by substituted pyrrolidinium cations: synthesis, structural characterization, and modelling of solid-state H-bond interactions by DFT calculations

DFT calculations have shown that the α-reciprocal paired R22(8) H-bond interactions commonly found in the solid-state structures of pentaborate(1−) salts are strong (−21 kJ mol−1 per H-bond).

Graphical abstract: Pentaborate(1−) salts templated by substituted pyrrolidinium cations: synthesis, structural characterization, and modelling of solid-state H-bond interactions by DFT calculations
From the themed collection: In memory of Professor Kenneth Wade
Paper

On the structural landscape in endohedral silicon and germanium clusters, M@Si12 and M@Ge12

Like the pieces of a jigsaw, maximum stability in clusters is achieved when electron density on metal and cage interlock.

Graphical abstract: On the structural landscape in endohedral silicon and germanium clusters, M@Si12 and M@Ge12
From the themed collection: In memory of Professor Kenneth Wade
Paper

A theoretical study of the aromaticity in neutral and anionic borole compounds

A theoretical assessment of the degree of (anti)aromaticity in various borole compounds reveals distinct substituent effects.

Graphical abstract: A theoretical study of the aromaticity in neutral and anionic borole compounds
From the themed collection: In memory of Professor Kenneth Wade
Paper

Synthesis, structure and reactivity of rare-earth metallacarborane alkyls [η15-O(CH2)2C2B9H9]Ln(σ:η1-CH2C6H4-o-NMe2)(THF)2

Rare-earth metallacarborane alkyls have been prepared for the first time, which react with unsaturated organic molecules to give either mono- or di-insertion products depending on the nature of the substrates.

Graphical abstract: Synthesis, structure and reactivity of rare-earth metallacarborane alkyls [η1:η5-O(CH2)2C2B9H9]Ln(σ:η1-CH2C6H4-o-NMe2)(THF)2
From the themed collection: In memory of Professor Kenneth Wade
Open Access Paper

Reduction of hydroxy-functionalised carbaboranyl carboxylic acids and ketones by organolithium reagents

A hydroxyl group at the carbaborane cluster reduces exo-polyhedral C–C cleavage and enables reduction of carbaboranyl carboxylic acids and ketones to tertiary alcohols by organolithium reagents.

Graphical abstract: Reduction of hydroxy-functionalised carbaboranyl carboxylic acids and ketones by organolithium reagents
From the themed collection: In memory of Professor Kenneth Wade
Paper

Unexpected fragmentations of triphosphaferrocene – formation of supramolecular assemblies containing the (1,2,4-P3C2Mes2) ligand

An unusual fragmentation of a triphosphaferrocene is observed, when it is reacted with Cu(I) halides. As a result, a large variety of different monomeric, dimeric and 1D and 2D polymeric coordination compounds are formed.

Graphical abstract: Unexpected fragmentations of triphosphaferrocene – formation of supramolecular assemblies containing the (1,2,4-P3C2Mes2)− ligand
From the themed collection: In memory of Professor Kenneth Wade
Paper

Tungsten carbonyl σ-complexes with charge-compensated nido-carboranyl thioether ligands

Charge-compensated nido-carboranyl thioether ligands [7-MeS-10-Me2S-7,8-C2B9H10] and [7,8-(MeS)2-10-Me2S-7,8-C2B9H9] and tungsten carbonyl complexes on their base were prepared.

Graphical abstract: Tungsten carbonyl σ-complexes with charge-compensated nido-carboranyl thioether ligands
From the themed collection: In memory of Professor Kenneth Wade
Open Access Paper

Copper pyromellitates: a complex story

Copper pyromellitate complexes range from unusual discrete molecular ions to 2- and 3-dimensional polymeric networks with considerable ligand structural versatility.

Graphical abstract: Copper pyromellitates: a complex story
From the themed collection: In memory of Professor Kenneth Wade
Paper

Spirocyclic, macrocyclic and ladder complexes of coinage metals and mercury with dichalcogeno P2N2-supported anions

Reactions of the dianions [tBuN(E)P(μ-NtBu)]22− (E = Se,S) with M(I) reagents (M = Ag, Au) or HgCl2 produce complexes of [tBu(H)N(E)P(μ-NtBu)2P(E)NtBu] with spirocyclic, macrocyclic or ladder structures.

Graphical abstract: Spirocyclic, macrocyclic and ladder complexes of coinage metals and mercury with dichalcogeno P2N2-supported anions
From the themed collection: In memory of Professor Kenneth Wade
Paper

Heterobimetallic metallation studies of N,N-dimethylphenylethylamine (DMPEA): benzylic C–H bond cleavage/dimethylamino capture or intact DMPEA complex

The cleave and capture capacity of various bimetallic amido–alkyl mixtures is illustrated through reaction with the deprotonation sensitive N,N-dimethylphenylethylamine.

Graphical abstract: Heterobimetallic metallation studies of N,N-dimethylphenylethylamine (DMPEA): benzylic C–H bond cleavage/dimethylamino capture or intact DMPEA complex
From the themed collection: In memory of Professor Kenneth Wade
Open Access Paper

Why are the {Cu4N4} rings in copper(I) phosphinimide clusters [Cu{μ-N[double bond, length as m-dash]PR3}]4 (R = NMe3 or Ph) planar?

The molecular structures of the new copper phosphinimide complexes [Cu{μ-N[double bond, length as m-dash]PR3}]4 (1, R = NMe2 and 2, R = Ph) reveal the presence of planar eight-membered {Cu4N4} rings, which have been shown by DFT calculation to be due to steric factors rather than electronics.

Graphical abstract: Why are the {Cu4N4} rings in copper(i) phosphinimide clusters [Cu{μ-N [[double bond, length as m-dash]] PR3}]4 (R = NMe3 or Ph) planar?
From the themed collection: In memory of Professor Kenneth Wade
Open Access Paper

Icosahedral metallacarborane/carborane species derived from 1,1′-bis(o-carborane)

Both unisomerised and isomerised singly-metallated derivatives of 1,1′-bis(o-carborane) with both {Ru(arene)} and (CoCp} fragments have been prepared and characterised.

Graphical abstract: Icosahedral metallacarborane/carborane species derived from 1,1′-bis(o-carborane)
From the themed collection: In memory of Professor Kenneth Wade
Open Access Paper

Binuclear platinum–iridium complexes: synthesis, reactivity and luminescence

The reactivity of a Pt–Ir metal–metal bonded complex has been studied as a model for bimetallic Pt–Ir catalysts.

Graphical abstract: Binuclear platinum–iridium complexes: synthesis, reactivity and luminescence
From the themed collection: In memory of Professor Kenneth Wade
Paper

Conformational analysis of triphenylphosphine ligands in stereogenic monometallic complexes: tools for predicting the preferred configuration of the triphenylphosphine rotor

A model has been developed to reliably predict the configuration of the triphenylphosphine rotor of stereogenic metal complexes [M(η5-C5H5)(PPh3)(L1)(L2)].

Graphical abstract: Conformational analysis of triphenylphosphine ligands in stereogenic monometallic complexes: tools for predicting the preferred configuration of the triphenylphosphine rotor
From the themed collection: In memory of Professor Kenneth Wade
Paper

Organometallic chemistry of ethynyl boronic acid MIDA ester, HC[triple bond, length as m-dash]CB(O2CCH2)2NMe

The reactions of HC[triple bond, length as m-dash]CBMIDA (BMIDA = B(O2CCH2)2NMe) with a range of ruthenium complexes examples of σ-alkynyl, σ-alkenyl and vinylidene complexes bearing 4-coordinate boron substituents.

Graphical abstract: Organometallic chemistry of ethynyl boronic acid MIDA ester, HC [[triple bond, length as m-dash]] CB(O2CCH2)2NMe
From the themed collection: In memory of Professor Kenneth Wade
Paper

Electrocatalytic proton reduction catalysed by the low-valent tetrairon-oxo cluster [Fe4(CO)102-dppn)(μ4-O)]2− [dppn = 1,1′-bis(diphenylphosphino)naphthalene]

[Fe4(CO)102-dppn)(μ4-O)]2− reduces protons and DFT calculations support the sequential formation of hydride and dihydrogen ligands at the unique iron centre.

Graphical abstract: Electrocatalytic proton reduction catalysed by the low-valent tetrairon-oxo cluster [Fe4(CO)10(κ2-dppn)(μ4-O)]2− [dppn = 1,1′-bis(diphenylphosphino)naphthalene]
From the themed collection: In memory of Professor Kenneth Wade
Paper

Oxidation of germa- and stanna-closo-dodecaborate

Oxidation of group 14 heteroborates [GeB11H11]2− and [SnB11H11]2− yields a symmetrical dimer exhibiting a Ge–Ge bond or an unsymmetrical dimer bearing an Sn–B bond.

Graphical abstract: Oxidation of germa- and stanna-closo-dodecaborate
From the themed collection: In memory of Professor Kenneth Wade
Paper

Synthesis of PEG-supported organotrifluoroborates and their applications in palladium-catalyzed homo-coupling reactions

A general synthetic route to water-soluble PEG-supported organotrifluoroborates has been developed. In the presence of air and catalytic amounts of Pd(OAc)2, the PEG-supported organotrifluoroborates undergo homo-coupling reactions smoothly at room temperature.

Graphical abstract: Synthesis of PEG-supported organotrifluoroborates and their applications in palladium-catalyzed homo-coupling reactions
From the themed collection: In memory of Professor Kenneth Wade
Paper

Understanding the relative binding ability of hydroxyfullerene to divalent and trivalent metals

Metal contamination of water is a serious challenge faced by environmental chemists, but there is also economic value in the removal of metals for recycling or extraction.

Graphical abstract: Understanding the relative binding ability of hydroxyfullerene to divalent and trivalent metals
From the themed collection: In memory of Professor Kenneth Wade
Paper

Synthesis, characterisation and properties of rare earth oxyselenides A4O4Se3 (A = Eu, Gd, Tb, Dy, Ho, Er, Yb and Y)

We report the synthesis of new A4O4Se3 (A = rare earth element) materials and identify three new structure types (β, γ, δ).

Graphical abstract: Synthesis, characterisation and properties of rare earth oxyselenides A4O4Se3 (A = Eu, Gd, Tb, Dy, Ho, Er, Yb and Y)
From the themed collection: In memory of Professor Kenneth Wade
Paper

The effect of a paramagnetic metal ion within a molecule: comparison of the structurally identical paramagnetic [3,3-Fe(1,2-C2B9H11)2] with the diamagnetic [3,3-Co(1,2-C2B9H11)2] sandwich complexes

Effects on the NMR spectra of a paramagnetic metal ion are clearly observed by comparing identical sandwich molecular structures of diamagnetic [3,3′-Co(1,2-C2B9H11)2] with paramagnetic [3,3′-Fe(1,2-C2B9H11)2].

Graphical abstract: The effect of a paramagnetic metal ion within a molecule: comparison of the structurally identical paramagnetic [3,3-Fe(1,2-C2B9H11)2]− with the diamagnetic [3,3-Co(1,2-C2B9H11)2]− sandwich complexes
From the themed collection: In memory of Professor Kenneth Wade
Paper

Iridium(I) PNP complexes in the sp3 C–H bond activation of methyl propanoate and related esters

The utilisation of the PNP iridium pincer complex [Ir(PNP)(COE)][BF4] [PNP = 2,6-bis{(di-tert-butylphosphino)methyl}pyridine; COE = cyclooctene] in the sp3 C–H activation of methyl propanoate and other related esters was explored.

Graphical abstract: Iridium(i) PNP complexes in the sp3 C–H bond activation of methyl propanoate and related esters
From the themed collection: In memory of Professor Kenneth Wade
Paper

Sticking and patching: tuning and anchoring cyclometallated ruthenium(II) complexes

In a series of [Ru(bpy)2(C^N)][PF6] complexes with a variety of functionalities in the cyclometallating ligand, the absorption response is enhanced considerably by the introduction of a 4-C6H4P(O)(OEt)2 anchoring domain in the C^N pyridine ring.

Graphical abstract: Sticking and patching: tuning and anchoring cyclometallated ruthenium(ii) complexes
From the themed collection: In memory of Professor Kenneth Wade
Paper

Synthesis and the structure of 8-tetrahydrofuronium and 8-tetrahydropyronium derivatives of iron bis(dicarbollide)(-I) and their cleavage reactions

8-oxonium derivatives of iron bis(dicarbollide)(-I) were synthesized and their reactivity towards various nucleophiles was studied.

Graphical abstract: Synthesis and the structure of 8-tetrahydrofuronium and 8-tetrahydropyronium derivatives of iron bis(dicarbollide)(-I) and their cleavage reactions
From the themed collection: In memory of Professor Kenneth Wade
Paper

Evidence for a SN2-type pathway in the exchange of phosphines at a [PhSe]+ centre

The phosphine unit of cationic thio- and seleno-phosphonium complexes exchange via a SN2-type exchange process.

Graphical abstract: Evidence for a SN2-type pathway in the exchange of phosphines at a [PhSe]+ centre
From the themed collection: In memory of Professor Kenneth Wade
Paper

Manganese(I) templates for the construction of benzannulated triphosphamacrocycles

Benzannulated 9aneP3 macrocycles have been prepared by two different routes using a single [Mn(CO)3]+ template.

Graphical abstract: Manganese(i) templates for the construction of benzannulated triphosphamacrocycles
From the themed collection: In memory of Professor Kenneth Wade
Open Access Frontier

Dynamic structure elucidation of chemical reactivity by laser pulses and X-ray probes

Inelastic X-ray scattering techniques enhance chemical speciation by X-ray absorption fine structure (XAFS) spectroscopy and open up application of X-ray free electron lasers to observe chemical transformations.

Graphical abstract: Dynamic structure elucidation of chemical reactivity by laser pulses and X-ray probes
From the themed collection: In memory of Professor Kenneth Wade
62 articles

About this collection

Professor Kenneth Wade, F.R.S. 13th October 1932–16th March 2014

This themed collection of 60 Dalton Transactions articles is dedicated to Ken Wade, who very unexpectedly passed away on 16th March 2014. While this sad loss is the reason for this commemoration, it is an honour for me to Guest Edit this collection.

The collection covers a wide and diverse spectrum of topics spanning inorganic chemistry, something that very clearly demonstrates Ken’s significant and wide-ranging contributions to inorganic chemistry in its broadest context. The rapidity with which all of the invited authors agreed to contribute their work to this themed collection of articles unmistakably reflects the great esteem and friendship with which Ken was held, and provides a fitting tribute to the man himself, his huge role as a teacher and mentor, and his important and extensive contributions to chemistry. Without a doubt, Ken is very sorely missed.

Read the full preface here

Philip W. Dyer Department of Chemistry Durham University, UK

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