Role of organolithium aggregates and mixed aggregates in organolithium mechanisms

HJ Reich - Chemical Reviews, 2013 - ACS Publications
Organolithium reagents were first prepared in 1917 by Schlenk 1a and developed in the
following three decades by major contributions from Ziegler (who first prepared n-BuLi and …

Mixed AggregAte (MAA): A single concept for all dipolar organometallic aggregates. 1. Structural data

A Harrison-Marchand, F Mongin - Chemical Reviews, 2013 - ACS Publications
Organometallic chemistry is one of the key assets to successfully achieve complex organic
transformations. Numerous tools have been conceived and developed to address problems …

The interpretation of small molecule diffusion coefficients: Quantitative use of diffusion-ordered NMR spectroscopy

R Evans - Progress in Nuclear Magnetic Resonance …, 2020 - Elsevier
Measuring accurate molecular self-diffusion coefficients, D, by nuclear magnetic resonance
(NMR) techniques has become routine as hardware, software and experimental …

Organozinc pivalate reagents: segregation, solubility, stabilization, and structural insights

A Hernán‐Gómez, E Herd, E Hevia… - Angewandte …, 2014 - Wiley Online Library
Abstract The pivalates RZnOPiv⋅ Mg (OPiv) X⋅ n LiCl (OPiv= pivalate; R= aryl; X= Cl, Br, I)
stand out amongst salt‐supported organometallic reagents, because apart from their …

Molecular Weight Determination of Relevant Organometallic Catalysts in Solution by DOSY-NMR to Monitor Reactivity

AK Kreyenschmidt, M John, D Stalke - Organometallics, 2023 - ACS Publications
The study of composition, aggregation, or solvation of reactive molecules in solution is of
fundamental interest for the classification of reaction mechanisms or the estimation of …

Olefin–borane “van der Waals complexes”: intermediates in frustrated Lewis pair addition reactions

X Zhao, DW Stephan - Journal of the American Chemical Society, 2011 - ACS Publications
The nature of the borane–olefin interactions that take place prior to frustrated Lewis pair
addition reactions has been probed employing a Lewis acidic borane tethered to a vinyl …

Mechanisms and beyond: elucidation of fluxional dynamics by exchange NMR spectroscopy

K Nikitin, R O'Gara - Chemistry–A European Journal, 2019 - Wiley Online Library
Detailed mechanistic information is crucial to our understanding of reaction pathways and
selectivity. Dynamic exchange NMR techniques, in particular 2D exchange spectroscopy …

Diisopropylamide and TMP turbo-grignard reagents: a structural rationale for their contrasting reactivities

DR Armstrong, P García-Álvarez… - Angewandte …, 2010 - strathprints.strath.ac.uk
A neutral dimeric molecule in crystal form, the diisopropylamido turbo-Grignard
reagent"(iPr2N) MgCl⋅ LiCl"(see structure; blue N, red O, green Mg, yellow Cl, black C) …

Molecular Weight Estimation of Molecules Incorporating Heavier Elements from van‐der‐Waals Corrected ECC‐DOSY

AK Kreyenschmidt, S Bachmann, T Niklas… - …, 2017 - Wiley Online Library
Aggregate formation of organometallic compounds can be straightforwardly observed and
interpreted through DOSY molecular weight (MW) estimation. Recently, the power‐law …

Synthesis and characterization of an infinite sheet of metal–alkyl bonds: unfolding the elusive structure of an unsolvated alkali-metal trisalkylmagnesiate

SE Baillie, W Clegg, P García-Álvarez… - Chemical …, 2011 - pubs.rsc.org
The study of co-complexation reactions between NaCH2SiMe3 and Mg (CH2SiMe3) 2 has
allowed the isolation and structural elucidation of the first solvent-free alkali-metal …