N-heterocyclic carbene adducts of main group elements and their use as ligands in transition metal chemistry

A Doddi, M Peters, M Tamm - Chemical reviews, 2019 - ACS Publications
N-Heterocyclic carbenes (NHC) are nowadays ubiquitous and indispensable in many
research fields, and it is not possible to imagine modern transition metal and main group …

Pushing Chemical Boundaries with N-Heterocyclic Olefins (NHOs): From Catalysis to Main Group Element Chemistry

MMD Roy, E Rivard - Accounts of Chemical Research, 2017 - ACS Publications
Conspectus N-Heterocyclic olefins (NHOs) have gone from the topic of a few scattered (but
important) reports in the early 1990s to very recently being a ligand/reagent of choice in the …

Self‐Assembled Monolayers of N‐Heterocyclic Olefins on Au (111)

I Berg, L Schio, J Reitz, E Molteni… - Angewandte Chemie …, 2023 - Wiley Online Library
Self‐assembled monolayers (SAMs) of N‐heterocyclic olefins (NHOs) have been prepared
on Au (111) and their thermal stability, adsorption geometry, and molecular order were …

Stable mesoionic N‐heterocyclic olefins (mNHOs)

MM Hansmann, PW Antoni, H Pesch - Angewandte Chemie, 2020 - Wiley Online Library
We report a new class of stable mesoionic N‐heterocyclic olefins, featuring a highly
polarized (strongly ylidic) double bond. The ground‐state structure cannot be described …

Synthesis, properties & applications of N-heterocyclic olefins in catalysis

S Naumann - Chemical Communications, 2019 - pubs.rsc.org
N-Heterocyclic olefins (NHOs), a recently (re-) discovered type of electron-rich, polar alkene,
are comprehensively presented. Along with synthetic aspects and chemical properties …

Brönsted Basicities and Nucleophilicities of N-Heterocyclic Olefins in Solution: N-Heterocyclic Carbene versus N-Heterocyclic Olefin. Which Is More Basic, and …

Z Li, P Ji, JP Cheng - The Journal of Organic Chemistry, 2021 - ACS Publications
A Brönsted basicity scale comprising nine representative N-heterocyclic olefins (NHOs)
was established by measuring the equilibrium acidities of their corresponding precursors in …

Using N‐heterocyclic vinyl ligands to access stable divinylgermylenes and a germylium cation

C Hering‐Junghans, P Andreiuk… - Angewandte Chemie …, 2017 - Wiley Online Library
Two efficient methods are presented to install σ‐and π‐electron‐donating N‐heterocyclic
vinyl groups onto main‐group elements (E): halosilane elimination and base‐induced E− C …

N‐Heterocyclic Olefin‐Ligated Palladium (II) Complexes as Pre‐Catalysts for Buchwald–Hartwig Aminations

IC Watson, A Schumann, H Yu, EC Davy… - … A European Journal, 2019 - Wiley Online Library
New N‐heterocyclic olefins (NHOs) are described with functionalization on the ligand
heterocyclic backbone and terminal alkylidene positions. Various PdII–NHO complexes …

Proton affinities of N-heterocyclic olefins and their implications for organocatalyst design

R Schuldt, J Kästner, S Naumann - The Journal of Organic …, 2019 - ACS Publications
The proton affinity (PA) of a range of structurally different N-heterocycles with an exocyclic
double bond (= N-heterocyclic olefins, NHOs) has been determined using DFT calculations …

A Facile Preparation of N‐Heterocyclic Olefins: Ring‐Opening Polymerization of β‐Butyrolactone and Frustrated Lewis Pair Reactivity

NM Rajendran, Q Lu, J Bouffard - Chemistry–A European …, 2024 - Wiley Online Library
A direct synthesis of N‐heterocyclic olefins (NHOs) and their mesoionic congeners (mNHOs)
from N‐heterocyclic carbenes and N‐aziridinylimines is reported. The reaction provided …