N-Heterocyclic Carbenes (NHCs) in Asymmetric Organocatalysis

ISSN: 2213-3380 (Online)
ISSN: 2213-3372 (Print)

Volume 4, 3 Issues, 2017

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Current Organocatalysis

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Bimal K. Banik
Vice President of Research & Education Development
Community Health Systems of South Texas (CHSST)
Edinburg, Texas

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N-Heterocyclic Carbenes (NHCs) in Asymmetric Organocatalysis

Current Organocatalysis, 1(1): 13-39.

Author(s): Seema Dwivedi, Sumanta Gupta and Sajal Das.

Affiliation: Department of Chemistry, University of North Bengal, Darjeeling 734 013, India.


Asymmetric synthesis is a crucial and valuable branch of synthetic chemistry. Organocatalytic methods of synthesis are known for their greener approach towards scientific developments. These involve simple molecules as catalysts that are less sensitive and can be easily and effectively employed in various systems with simple reaction conditions. In the recent past organocatalytic asymmetric syntheses have thus grasped the attentions of chemists worldwide. Remarkable contributions of N-heterocyclic carbenes have proved them to be valuable addition in this arena affording new possibilities and enabling a range of unique synthetic transformations that are otherwise inaccessible. High enantioselectivity levels have been achieved in many cases including umpolung reactions such as benzoin condensation, Stetter reaction, reactions involving enolates and homoenolates, etc. This review summarizes the recent developments in the reactions that can be carried out with NHC organocatalysts.


Asymmetry catalysis, breslow intermediate, benzoin condensation, C–C bond formations, cycloaddition, organocatalysis, desymmetrisation, homoenolates, N-heterocyclic carbenes, Stetter reaction, umpolung reaction.

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Article Details

Volume: 1
Issue Number: 1
First Page: 13
Last Page: 39
Page Count: 27
DOI: 10.2174/2213337201999131230123630
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