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Themed collection A collection of papers in memory of Professor Michael Lappert

30 items
Editorial

The influence of Michael Lappert on the chemistry landscape

In memory of Michael F. Lappert, this Editorial introduces a collection of his most highly cited Royal Society of Chemistry publications, curated by members of the Dalton Transactions and ChemComm Editorial Boards.

Graphical abstract: The influence of Michael Lappert on the chemistry landscape
Review Article

The chemistry of transition-metal carbene complexes and their role as reaction intermediates

Communication

New reactions of β-diketiminatolanthanoid complexes: sterically induced self-deprotonation of β-diketiminato ligands

Attempted synthesis of sterically demanding bis- or tris-β-diketiminato complexes of lanthanoids resulted in ligand deprotonation and the formation of complexes containing both a “normal” and a deprotonated ligand; one of these on protonation gave the first cationic β-diketiminato–Ln complex.

Graphical abstract: New reactions of β-diketiminatolanthanoid complexes: sterically induced self-deprotonation of β-diketiminato ligands
Paper

Heteroleptic ytterbium(II) complexes supported by a bulky β-diketiminato ligand

Two new β-diketiminatoytterbium iodides have been used as convenient precursors to the heteroleptic ytterbium(II) amides and hydrocarbyls including N(SiMe3)2 (4), CH(SiMe3)2 (6) and CPh3 (8) derivatives.

Graphical abstract: Heteroleptic ytterbium(ii) complexes supported by a bulky β-diketiminato ligand
Paper

Synthesis, structures and reactions of new thermally stable silylenes

Paper

Transformation of the bis(trimethylsilyl)methyl into aza-allyl and β-diketinimato ligands; the X-ray structures of [Li{N(R)C(But)CH(R)}]2 and [Zr{N(R)C(But)CHC(Ph)N(R)}Cl3](R = SiMe3)

Paper

Transformation of the bis(trimethylsilyl)methyl into a β-diketinimato ligand; the X-ray structure of [Li(L′L′)]2, SnCl(Me)2(L′L′) and SnCl(Me)2(LL), [L′L′= N(R)C(Ph)C(H)C(Ph)NR, LL = N(H)C(Ph)C(H)C(Ph)NH, R = SiMe3)

Paper

Synthesis and structural characterisation of the first neutral homoleptic lanthanide metal(III) alkyls: [LnR3][Ln = La or Sm, R = CH(SiMe3)2]

Paper

Subvalent Group 4B metal alkyls and amides. Part 9. Germanium and tin alkene analogues, the dimetallenes M2R4[M = Ge or Sn, R = CH(SiMe3)2]: X-ray structures, molecular orbital calculations for M2H4, and trends in the series M2R′4[M = C, Si, Ge, or Sn; R′= R, Ph, C6H2Me3-2,4,6, or C6H3Et2-2,6]

Paper

Chemistry, including the X-ray structure, of bis[bis(trimethylsilyl)methylgermanium(II)], R2GeGeR2[R = CH(SiMe3)2], a stable compound having a metal–metal ‘double bond,’ a dimetallene

Paper

Three- and four-co-ordinate, hydrocarbon-soluble-aryloxides of scandium, yttrium, and the lanthanoids; X-ray crystal structure of tris(2,6-di-t-butyl-4-methylphenoxo)scandium

Paper

Molecular structures of the main group 4 metal(II) bis(trimethylsilyl)-amides M[N(SiMe3)2]2 in the crystal (X-ray) and vapour (gas-phase electron diffraction)

Paper

Use of the bis(trimethylsilyl)cyclopentadienyl ligand for stabilising early (f0–f3) lanthanocene chlorides; X-ray structure of [(Pr{η-[C5H3(SiMe3)2]}2Cl)2] and of isoleptic scandium and ytterbium complexes

Paper

A novel carbon dioxide complex: synthesis and crystal structure of [Nb(η-C5H4Me)2(CH2SiMe3)(η2-CO2)]

Paper

Metallocene derivatives of early transition metals. Part 2. Substituted cyclopentadienyl Group 4A dichloro-metallocene complexes [M(η-C5H4R)2Cl2](M = Zr or Hf; R = Me, Et, Pri, But, or SiMe3), their mono- and di-alkyl derivatives [M(η-C5H4R)2R′X](X = Cl or R′; R′= CH2SiMe3 or CH2CMe3), and their d1 reduction products

Paper

Alkyl-bridged complexes of the d- and f-block elements. Part 2. Bis[bis(η-cyclopentadienyl)methylmetal(III)] complexes, and the crystal and molecular structure of the yttrium and ytterbium species

Paper

Subvalent Group 4B metal alkyls and amides. Part I. The synthesis and physical properties of kinetically stable bis[bis(trimethysilyl)methyl]-germanium(II), -tin(II), and -lead(II)

Paper

Subvalent Group 4B metal alkyls and amides. Part II. The chemistry and properties of bis[bis(trimethylsilyl)methyl]tin(II) and its lead analogue

Paper

Standard heats of formation and M–C bond energy terms for some homoleptic transition metal alkyls MRn

Paper

Carbene complexes. Part VIII. Chromium(0), iron(0), rhodium(I), iridium(I), nickel(II), palladium(II), platinum(II), and gold(I) mono- and oligo-carbene species from electron-rich olefins

Paper

Stable silylmethyl and neopentyl complexes of scandium(III) and yttrium(III)

Paper

Silylmethyl and related complexes. Part I. Kinetically stable alkyls of titanium(IV), zirconium(IV), and hafnium(IV)

Paper

Metallocene halides. Part I. Synthesis, spectra, and redistribution equilibria of di-π-cyclopentadienyldihalogeno-titanium(IV),-zirconium-(IV), and -hafnium(IV)

Paper

Amido-derivatives of metals and metalloids. Part VI. Reactions of titanium(IV), zirconium(IV), and hafnium(IV) amides with protic compounds

Paper

385. Amino-derivatives of metals and metalloids. Part II. Aminostannylation of unsaturated substrates, and the infrared spectra and structures of carbamato- and dithiocarbamato-trimethylstannanes and related compounds

Paper

103. Co-ordination compounds having carboxylic esters as ligands. Part II. Relative acceptor strengths of some Group III and IV halides

Paper

433. Spectra and structure of amide complexes

Paper

481. Infrared spectra of boron compounds

Paper

308. Stability, solvolysis, and co-ordination reactions of esters of boronic acids and their halogen derivatives

Paper

226. Interaction of boron trichloride with optically active alcohols and ethers

30 items

About this collection

Michael F. Lappert, one of the giants of 20th century organometallic chemistry, sadly passed away in March 2014.

To honour his memory, and significant contribution to chemistry, members of the Dalton Transactions and ChemComm Editorial Boards have curated this collection of selected publications. Together, these papers highlight his broad interests and ability for pursuing seminal research.

All articles in the collection are free to access until October 2015 and are introduced in a dedicated Editorial written by Professors John Arnold, Penny Brothers, Philip Mountford, Warren Piers, Christine Thomas and Don Tilley.

Do you have a favourite Lappert paper? Would you like to share any experiences or anecdotes about working with Professor Lappert? Join the discussion on the Dalton Transactions blog.

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