N‐Heterocyclic Carbene (NHC)‐Catalyzed Transformations Involving Azolium Enolates

S Mondal, A Ghosh, AT Biju - The Chemical Record, 2022 - Wiley Online Library
The recent advances in the N‐heterocyclic carbene (NHC)‐organocatalyzed generation of
azolium enolate intermediates and their subsequent interception with electrophiles are …

Desymmetrization of N-Cbz glutarimides through N-heterocyclic carbene organocatalysis

Z Hu, C Wei, Q Shi, X Hong, J Liu, X Zhou… - Nature …, 2022 - nature.com
Over the past decade, the catalysis of N-heterocyclic carbenes has achieved significant
advances. In this area, aldehydes, enals, and esters, are commonly employed as starting …

NHC‐Activations on α‐, β‐, γ‐, and Beyond

X Chen, P He, S Xia, L Cui, G Zhong… - The Chemical …, 2023 - Wiley Online Library
Over the recent decades, due to the special electronic characteristics and diverse
reactivities, N‐heterocyclic carbene (NHC) has received significant interest in …

Elucidating the mechanism and origin of stereoselectivity in the activation/transformation of an acetic ester catalyzed by an N-heterocyclic carbene

P Liang, H Yang, Y Wang - Physical Chemistry Chemical Physics, 2024 - pubs.rsc.org
The activation of an ester by N-heterocyclic carbene (NHC) organocatalysis is an efficient
and important approach for generating an NHC-bound enolate intermediate, an important …

Asymmetric carbene‐catalyzed oxidation of functionalized aldimines as 1, 4‐dipoles

G Wang, QC Zhang, C Wei, Y Zhang… - Angewandte Chemie …, 2021 - Wiley Online Library
The use of functionalized aldimines has been demonstrated as newly structural 1, 4‐dipole
precursors under carbene catalysis. More importantly, enantiodivergent organocatalysis has …

Theoretical study of an N-heterocyclic carbene-catalyzed annulation reaction between an enal and a β-silyl enone: Mechanism and origin of stereoselectivity

Y Wang, Y Luo, M Zhao, Y Qiao - Molecular Catalysis, 2023 - Elsevier
In this study, the mechanism and origin of the stereoselectivity of an N-heterocyclic carbene
(NHC)-catalyzed transformation reaction between an enal and a β-silyl enone are …

Three-Component Direct Phosphorylation of Aldehydes and Alkylation of Ketones: Synthesis of γ-Ketophosphine Oxides under Acidic Conditions

XH Wang, YW Xue, CY Bai, YB Wang… - The Journal of Organic …, 2023 - ACS Publications
An effective and economical acid-promoted three-component reaction for the construction of
C–P and C–C bonds for the synthesis of γ-ketophosphine oxides with water as the only …

Enantioselective [3+ 3] Annulation–Deoxalation Strategy for Rapid Access to δ-Oxoesters via N-Heterocyclic Carbene Catalysis

I Baranska, L Dobrzanska, Z Rafinski - Organic Letters, 2024 - ACS Publications
A new and unprecedented stereoselective synthetic approach to δ-oxoesters derivatives
from readily available starting materials has been developed. This method, catalyzed by N …

A Desilylative Approach to Alkyl Substituted C (1)‐Ammonium Enolates: Application in Enantioselective [2+ 2] Cycloadditions

Y Wang, CM Young, H Liu, WC Hartley… - Angewandte Chemie …, 2022 - Wiley Online Library
The catalytic generation of C (1)‐ammonium enolates from the corresponding α‐silyl‐α‐alkyl
substituted carboxylic acids using the isothiourea HyperBTM is reported. This desilylative …

Chalcone appended Organosilanes and their silica nanoparticles based UV–vis and fluorometric probes for Co2+ ions detection

G Singh, A Devi, JD Kaur, A Saini - Inorganica Chimica Acta, 2022 - Elsevier
Herein, we have designed heterocycle-based ligands having chalcone appended triazole
silane in the scaffold by using a cost-effective and simple synthetic procedure. They were …