Computational ligand descriptors for catalyst design

DJ Durand, N Fey - Chemical reviews, 2019 - ACS Publications
Ligands, especially phosphines and carbenes, can play a key role in modifying and
controlling homogeneous organometallic catalysts, and they often provide a convenient …

Optimizing catalyst and reaction conditions in gold (I) catalysis–ligand development

A Collado, DJ Nelson, SP Nolan - Chemical Reviews, 2021 - ACS Publications
This review considers phosphine and N-heterocyclic carbene complexes of gold (I) that are
used as (pre) catalysts for a range of reactions in organic synthesis. These are divided …

What can NMR spectroscopy of selenoureas and phosphinidenes teach us about the π-accepting abilities of N-heterocyclic carbenes?

SVC Vummaleti, DJ Nelson, A Poater… - Chemical …, 2015 - pubs.rsc.org
The electronic nature of the interaction of NHCs with metal centres is of interest when
exploring their properties, how these properties influence those of metal complexes, and …

How π back-donation quantitatively controls the CO stretching response in classical and non-classical metal carbonyl complexes

G Bistoni, S Rampino, N Scafuri, G Ciancaleoni… - Chemical …, 2016 - pubs.rsc.org
The CO stretching response upon coordination to a metal M to form [(L) nM (CO)] m
complexes (L is an auxiliary ligand) is investigated in relation to the σ donation and π back …

A simple 1H NMR method for determining the σ-donor properties of N-heterocyclic carbenes

G Meng, L Kakalis, SP Nolan, M Szostak - Tetrahedron Letters, 2019 - Elsevier
The σ-donor properties of NHC ligands (NHC= N-heterocyclic carbene) are crucial in
controlling their interaction with transition metals, and as a consequence, to determine the …

Tuning the steric hindrance of alkylamines: a predictive model of steric editing of planar amines

M Tomasini, M Voccia, L Caporaso, M Szostak… - Chemical …, 2024 - pubs.rsc.org
Amines are one of the most prevalent functional groups in chemistry. Perhaps even more
importantly, amines represent one of the most ubiquitous moieties within the realm of …

Direct measure of metal–ligand bonding replacing the tolman electronic parameter

D Setiawan, R Kalescky, E Kraka, D Cremer - Inorganic chemistry, 2016 - ACS Publications
The Tolman electronic parameter (TEP) derived from the A 1-symmetrical CO stretching
frequency of nickel-tricarbonyl complexes L–Ni (CO) 3 with varying ligands L is misleading …

Improved synthesis of N-heterocyclic olefins and evaluation of their donor strengths

K Powers, C Hering-Junghans, R McDonald… - Polyhedron, 2016 - Elsevier
An improved synthesis of N-heterocyclic olefins (NHOs) containing terminal CH 2 donor
groups was developed. A preliminary investigation of the bonding mode and donor …

Generalization of the Tolman electronic parameter: the metal–ligand electronic parameter and the intrinsic strength of the metal–ligand bond

D Cremer, E Kraka - Dalton Transactions, 2017 - pubs.rsc.org
The catalytic activity of transition metal complexes (R) nM–L can be predicted utilizing the
metal–ligand electronic parameter (MLEP) that is based on the local stretching force …

The stabilizing effects in gold carbene complexes

L Nunes dos Santos Comprido… - Angewandte Chemie …, 2015 - Wiley Online Library
Bonding and stabilizing effects in gold carbene complexes are investigated by using Kohn–
Sham density functional theory (DFT) and the intrinsic bond orbital (IBO) approach. The π …