Fluorenyl-tethered N-heterocyclic carbene complexes of the heavy alkali metals

Burnett, Stuart and Kennedy, Alan R. and Mansell, Stephen M. and Weetman, Catherine E. (2025) Fluorenyl-tethered N-heterocyclic carbene complexes of the heavy alkali metals. Chemical Communications, 62 (4). pp. 1157-1160. ISSN 1364-548X (https://doi.org/10.1039/d5cc06477e)

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Abstract

The coordination chemistry of N-heterocyclic carbenes (NHCs) with Group 1 metals remains comparatively underdeveloped relative to their extensive application across the periodic table. Herein, we describe the synthesis of rubidium and caesium complexes incorporating a fluorenyl-tethered NHC ligand. Additionally, the first heterobimetallic Cs/Li NHC complex was obtained via treatment with a combination of alkali metal amide bases.

ORCID iDs

Burnett, Stuart ORCID: https://orcid.org/0009-0008-7124-2169

Kennedy, Alan R. ORCID: https://orcid.org/0000-0003-3652-6015

Weetman, Catherine E. ORCID: https://orcid.org/0000-0001-5643-9256

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• Item metadata

  Item type:	Article
  ID code:	95045
  Dates:	Date Event 8 December 2025 Published 8 December 2025 Published Online 4 December 2025 Accepted 14 November 2025 Submitted
  Subjects:	Science > Chemistry
  Department:	Faculty of Science > Pure and Applied Chemistry
  Depositing user:	Pure Administrator
  Date deposited:	16 Dec 2025 16:40
  Last modified:	04 Feb 2026 08:18
  URI:	https://strathprints.strath.ac.uk/id/eprint/95045