Betaine adducts of N‐heterocyclic carbenes: synthesis, properties, and reactivity

L Delaude - European Journal of Inorganic Chemistry, 2009 - Wiley Online Library
N‐Heterocyclic carbenes (NHCs) form stable zwitterionicadducts with a range of
heteroallenes, ketenes, and allenes. Although the first representatives of this class of inner …

[PDF][PDF] Recent advances in neutral and anionic N-heterocyclic carbene-betaine interconversions. Synthesis, characterization, and applications.

A Schmidt, S Wiechmann… - … : Online Journal of …, 2013 - pdfs.semanticscholar.org
Some mesoionic compounds, ie five-membered representatives of the class of conjugated
mesomeric betaines (CMB), are in equilibrium with their tautomeric normal N-heterocyclic …

Direct C–H carboxylation with complexes of the coinage metals

IIF Boogaerts, SP Nolan - Chemical Communications, 2011 - pubs.rsc.org
Direct C–H carboxylation with complexes of the coinage metals - Chemical Communications (RSC
Publishing) DOI:10.1039/C0CC03890C Royal Society of Chemistry View PDF VersionPrevious …

Synthesis of cyclic carbonates from diols and CO 2 catalyzed by carbenes

FD Bobbink, W Gruszka, M Hulla, S Das… - Chemical …, 2016 - pubs.rsc.org
The synthesis of cyclic carbonates from epoxides and CO2 is a well-established reaction,
whereas the synthesis of cyclic carbonates from diols and CO2 is considerably more …

Heterocyclic mesomeric betaines: the recognition of five classes and nine sub-classes based on connectivity-matrix analysis

CA Ramsden - Tetrahedron, 2013 - Elsevier
The relationship between heterocyclic mesomeric betaines (HMBs) isoconjugate with
hydrocarbon dianions and pairs of alternant hydrocarbon fragments is recognised. An …

Imidazolium‐2‐carboxylate as an efficient, expeditious and eco‐friendly organocatalyst for glycerol carbonate synthesis

PU Naik, L Petitjean, K Refes, M Picquet… - Advanced Synthesis …, 2009 - Wiley Online Library
An improved and greener approach towards the synthesis of glycerol carbonate, via
transesterification, using 1‐n‐butyl‐3‐methylimidazolium‐2‐carboxylate as catalyst is …

An Abnormal N‐Heterocyclic Carbene–Carbon Dioxide Adduct from Imidazolium Acetate Ionic Liquids: The Importance of Basicity

Z Kelemen, B Péter‐Szabó, E Székely… - … A European Journal, 2014 - Wiley Online Library
In the reaction of 1‐ethyl‐3‐methylimidazolium acetate [C2C1Im][OAc] ionic liquid with
carbon dioxide at 125° C and 10 MPa, not only the known N‐heterocyclic carbene (NHC) …

Anionic N-Heterocyclic Carbenes from Mesoionic Imidazolium-4-pyrrolides: The Influence of Substituents, Solvents, and Charge on their 77Se NMR Chemical Shifts

L Pruschinski, JC Namyslo… - The Journal of Organic …, 2024 - ACS Publications
Mesoionic compounds are the starting material for the synthesis of unique anionic N-
heterocyclic carbenes. Herein, mesoionic imidazolium pyrrolides synthesized from pyrrole-2 …

Sydnone anions and abnormal N-heterocyclic carbenes of O-ethylsydnones. Characterizations, calculations and catalyses

S Wiechmann, T Freese, MHH Drafz… - Chemical …, 2014 - pubs.rsc.org
Deprotonated sydnones, which can be represented as anionic N-heterocyclic carbenes,
were prepared as Li adducts and compared with deprotonated O-ethylsydnones (5-ethoxy …

Effect of additives and current mode on zinc electrodeposition from deep eutectic ionic liquids

S Ibrahim, A Bakkar, E Ahmed, A Selim - Electrochimica Acta, 2016 - Elsevier
Zinc electrodeposition in 'non-aqueous' ionic liquids is recently of interest to avoid hydrogen
discharge. This study aimed to demonstrate the effect of organic additives (acetonitrile and …