N-Heterocyclic Carbenes

David Nelson, Steven Nolan

Research output: Chapter in Book/Report/Conference proceedingChapter

30 Citations (Scopus)

Abstract

This chapter presents an overview of N-heterocyclic carbenes (NHCs) as chemical species. The electronic characteristics of these ligands are discussed, detailing how pπ–pπ delocalization and σ electron withdrawal stabilizes the carbene center. The bonding to metal centers is also discussed, whereby the potential for σ donation, π donation, and π backbonding is highlighted. The chapter presents a brief introduction to how these species can be classified. In addition, an overview is also presented of how these compounds, and stable adducts thereof, can be prepared in the laboratory. The chapter provides the reader with a foundation from which the myriad applications of NHCs can be appraised and understood, en route to stimulating or developing the use of NHCs in the reader's chemical research.
Original languageEnglish
Title of host publicationN-Heterocyclic Carbenes
Subtitle of host publicationEffective Tools for Organometallic Synthesis
EditorsSteven P. Nolan
Pages1-24
Number of pages24
DOIs
Publication statusPublished - Sep 2014

Keywords

  • N-heterocyclic carbenes (NHCs)
  • abnormal carbenes
  • adducts
  • electronic properties

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  • Cite this

    Nelson, D., & Nolan, S. (2014). N-Heterocyclic Carbenes. In S. P. Nolan (Ed.), N-Heterocyclic Carbenes: Effective Tools for Organometallic Synthesis (pp. 1-24) https://doi.org/10.1002/9783527671229.ch01