Rare-earth metals and aluminum getting close in Ziegler-type organometallics

A Fischbach, R Anwander - Neodymium Based Ziegler Catalysts …, 2006 - Springer
A prolific and synergetic interplay of rare-earth metal components and organoaluminum
reagents is of fundamental importance in Ziegler-type catalysts used in diene …

Non-metallocene rare-earth organometallic derivatives: synthesis, structure and application in the catalysis of transformations of unsaturated substrates

AA Trifonov - Russian Chemical Reviews, 2007 - iopscience.iop.org
The post-metallocene period of development of the chemistry of rare-earth organometallic
compounds is analysed. The synthesis, structures and reactivities of complexes containing …

Comparative Reactivity of Sterically Crowded nf3 (C5Me5)3Nd and (C5Me5)3U Complexes with CO:  Formation of a Nonclassical Carbonium Ion versus an f …

WJ Evans, SA Kozimor, GW Nyce… - Journal of the American …, 2003 - ACS Publications
Sterically crowded isoelectronic nf3 (C5Me5) 3M complexes of neodymium and uranium,
compounds which have unconventionally long metal ligand distances, are found to react …

Synthesis and stability of homoleptic metal (III) tetramethylaluminates

G Occhipinti, C Meermann, HM Dietrich… - Journal of the …, 2011 - ACS Publications
Whereas a number of homoleptic metal (III) tetramethylaluminates M (AlMe4) 3 of the rare
earth metals have proven accessible, the stability of these compounds varies strongly …

γ Agostic C–H or β agostic Si–C bonds in La {CH (SiMe 3) 2} 3? A DFT study of the role of the ligand

L Perrin, L Maron, O Eisenstein… - New Journal of Chemistry, 2003 - pubs.rsc.org
DFT calculations show that La {CH (SiMe3) 2} 3, whose X-ray structure has previously been
determined, should be considered as having a β agostic Si–C bond and not a γ agostic C–H …

Neodymium alkoxides: synthesis, characterization and their combinations with dialkylmagnesiums as unique systems for polymerization and block copolymerization of …

J Gromada, A Mortreux, T Chenal… - … A European Journal, 2002 - Wiley Online Library
The synthesis and characterization (NMR and X‐ray) of a variety of neodymium alkoxides
derived from simple and functionalized tertiary monoalcohols, and their application as …

The first example of a μ2-imido functionality bound to a lanthanide metal center: X-ray crystal structure and DFT study of [(μ-ArN) Sm (μ-NHAr)(μ-Me) AlMe2] 2 (Ar= 2, 6 …

JC Gordon, GR Giesbrecht, DL Clark, PJ Hay… - …, 2002 - ACS Publications
Reaction of 3 equiv of 2, 6-diisopropylaniline with Sm [N (SiMe3) 2] 3 affords the dimeric
species [Sm (NHAr) 3] 2 (1). X-ray crystallography illustrates that each metal center in 1 …

New lanthanide–nitrogen bond-valence parameters

A Trzesowska, R Kruszynski… - … Section B: Structural …, 2005 - journals.iucr.org
The bond-valence parameters (Rij), which connect bond valences and bond lengths, have
been computed for lanthanide–nitrogen bonds. It has been found that values of bond …

Discrete lanthanide aryl (alk) oxide trimethylaluminum adducts as isoprene polymerization catalysts

A Fischbach, C Meermann, G Eickerling… - …, 2006 - ACS Publications
The structure− reactivity relationship of the rare-earth metal aryl (alk) oxide-promoted
coordination polymerization of isoprene was investigated using binary initiating systems Ln …

AlMe3 and ZnMe2 Adducts of a Titanium Imido Methyl Cation:  A Combined Crystallographic, Spectroscopic, and DFT Study

PD Bolton, E Clot, AR Cowley… - Journal of the American …, 2006 - ACS Publications
A combined experimental and DFT study of the reactions of the titanium imido methyl cation
[Ti (NtBu)(Me3 [9] aneN3) Me]+(4+) with AlMe3 and ZnMe2 is described. Reaction of 4+ with …