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Issue 83, 2020
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Dimetalla-heterocyclic carbenes: the interconversion of chalcocarbonyl and carbido ligands

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Abstract

The μ-carbido complexes [Rh2(μ-C)Cl2(PPh3)4] and [Rh2(μ-C)Cl2(dppm)2] cleave CS2 to afford the monothiocarbonyl complexes [RhCl(CS)(PPh3)2] and [Rh2(μ-CS)Cl2(dppm)2]. The latter reacts with dimethyl acetylenedicarboxylate (DMAD) to afford [Rh(μ-CS)(μ-DMAD)Cl2(dppm)2]. This complex is also formed from [Rh(μ-C)(μ-DMAD)Cl2(dppm)2] and sulfur. These strategies also afford the first rhodium selenocarbonyl complexes [Rh(μ-CSe)Cl2(dppm)2] and [Rh(μ-CSe)(μ-DMAD)Cl2(dppm)2].

Graphical abstract: Dimetalla-heterocyclic carbenes: the interconversion of chalcocarbonyl and carbido ligands

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Supplementary files

Article information


Submitted
27 Jul 2020
Accepted
04 Sep 2020
First published
04 Sep 2020

Chem. Commun., 2020,56, 12593-12596
Article type
Communication

Dimetalla-heterocyclic carbenes: the interconversion of chalcocarbonyl and carbido ligands

H. J. Barnett and A. F. Hill, Chem. Commun., 2020, 56, 12593
DOI: 10.1039/D0CC05106C

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