Organocatalytic reactions enabled by N-heterocyclic carbenes

DM Flanigan, F Romanov-Michailidis, NA White… - Chemical …, 2015 - ACS Publications
Organocatalytic Reactions Enabled by N-Heterocyclic Carbenes | Chemical Reviews ACS
ACS Publications C&EN CAS Find my institution Log In Chemical Reviews ACS Publications …

NHC-catalyzed generation of α, β-unsaturated acylazoliums for the enantioselective synthesis of heterocycles and carbocycles

S Mondal, SR Yetra, S Mukherjee… - Accounts of Chemical …, 2019 - ACS Publications
Conspectus This Account is aimed at highlighting the recent developments in the N-
heterocyclic carbene (NHC)-catalyzed generation of α, β-unsaturated acylazolium …

Extending NHC-catalysis: coupling aldehydes with unconventional reaction partners

AT Biju, N Kuhl, F Glorius - Accounts of chemical research, 2011 - ACS Publications
Transition metal catalysis is a powerful means of effecting organic reactions, but it has some
inherent drawbacks, such as the cost of the catalyst and the toxicity of the metals …

N-Heterocyclic carbenes (NHCs) as organocatalysts and structural components in metal-free polymer synthesis

M Fèvre, J Pinaud, Y Gnanou, J Vignolle… - Chemical Society …, 2013 - pubs.rsc.org
The chemistry of N-heterocyclic carbenes (NHCs) has witnessed tremendous development
in the past two decades: NHCs have not only become versatile ligands for transition metals …

NHC‐catalyzed desymmetrization of n‐aryl maleimides leading to the atroposelective synthesis of N‐Aryl succinimides

S Barik, S Shee, S Das, RG Gonnade… - Angewandte …, 2021 - Wiley Online Library
Although the construction of axially chiral C− C bonds leading to the atroposelective
synthesis of biaryls and allied compounds are well‐known, the related synthesis of …

N-Heterocyclic Carbene and Brønsted Acid Cooperative Catalysis: Asymmetric Synthesis of trans-γ-Lactams

X Zhao, DA DiRocco, T Rovis - Journal of the American Chemical …, 2011 - ACS Publications
An efficient enantioselective approach to form trans-γ-lactams in up to 99% yield, 93% ee,
and> 20/1 dr using unactivated imines has been developed. The cyclohexyl-substituted …

Recent advances in the N-heterocyclic carbene (NHC)-organocatalyzed Stetter reaction and related chemistry

SR Yetra, A Patra, AT Biju - Synthesis, 2015 - thieme-connect.com
Recent developments in the N-heterocyclic carbene (NHC)-catalyzed umpolung of
aldehydes followed by their interception with activated carbon–carbon double bonds …

N-Heterocyclic carbene (NHC) organocatalysis using aliphatic aldehydes

S Barik, AT Biju - Chemical Communications, 2020 - pubs.rsc.org
Catalysis using N-heterocyclic carbenes (NHCs) has been widely employed for the
umpolung of aldehydes, and these reactions proceed via the generation of nucleophilic …

Catalytic intermolecular hydroacylation of C–C π-bonds in the absence of chelation assistance

JC Leung, MJ Krische - Chemical science, 2012 - pubs.rsc.org
Intermolecular rhodium catalyzed hydroacylation in the absence of chelation assistance
remains a largely unmet challenge due to competing decarbonylation of the acylrhodium …

Asymmetric Synthesis of Functionalized Cyclopentanones via a Multicatalytic Secondary Amine/N-Heterocyclic Carbene Catalyzed Cascade Sequence

SP Lathrop, T Rovis - Journal of the American Chemical Society, 2009 - ACS Publications
A one-pot, asymmetric multicatalytic formal [3+ 2] reaction between 1, 3-dicarbonyls and α, β-
unsaturated aldehydes is described. The multicatalytic process involves a secondary amine …