From the journal:

Chemical Communications

Fe(0)-catalyzed alkyne carboxylation with CO2 involving spin crossover

Huili Wang,†a   Qiqi Zhang,†b   Haizhu Yu,*b   Kane Jacob,c   Azzedine Bousseksou,*c   Philippe Hapiot, ORCID logo d   Jean-Luc Pozzo ORCID logo *a  and  Didier Astruc ORCID logo *a  

* Corresponding authors

a Université de Bordeaux, ISM, UMR CNRS N°5255, Talence Cedex, France
E-mail: didier.astruc@u-bordeaux.fr

b Department of Chemistry and Center for Atomic Engineering of Advanced Materials, Anhui Province Key Laboratory of Chemistry for Inorganic/Organic Hybrid Functionalized Materials, Anhui University, Hefei, Anhui, People's Republic of China
E-mail: yuhaizhu@ahu.edu.cn

c Université de Toulouse, LCC, UPR CNRS N°8241, Toulouse Cedex, France
E-mail: azzedine.bousseksou@lcc-toulouse.fr

d Univ. Rennes CNRS, ISCR (Institut des Sciences Chimiques de Rennes), UMR 6226, Rennes, France

Abstract

The first Fe(0)-catalyzed alkyne carboxylation using CO2 is reported using Fe(0)–phenanthroline complexes, and DFT calculations suggest a spin crossover from a triplet to a quintet state during the reaction.

Graphical abstract: Fe(0)-catalyzed alkyne carboxylation with CO2 involving spin crossover

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Article information

DOI
https://doi.org/10.1039/D6CC00893C
Article type
Communication
Submitted
10 Feb 2026
Accepted
09 Apr 2026
First published
13 Apr 2026
This article is Open Access
Creative Commons BY-NC license

Chem. Commun., 2026, Advance Article

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Fe(0)-catalyzed alkyne carboxylation with CO2 involving spin crossover

H. Wang, Q. Zhang, H. Yu, K. Jacob, A. Bousseksou, P. Hapiot, J. Pozzo and D. Astruc, Chem. Commun., 2026, Advance Article , DOI: 10.1039/D6CC00893C

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