Special Issue "Carbon Ligands: From Fundamental Aspects to Applications"
Deadline for manuscript submissions: closed (30 September 2020).
Interests: My research activities focus on main group chemistry, coordination chemistry, and homogeneous catalysis. Special attention is given on the design, the coordination, and the catalytic properties of electron-rich neutral carbon ligands (carbenes, phosphonium ylides) and electron-poor cationic phosphorus ligands (cyclopropenio- and imidazoliophosphines)
Homogeneous catalysis owes its tremendous development to the advent of a wide range of ligands with well-defined electronic and steric properties, which can finely control the reactivity of organometallic complexes. The ligands involved in catalysis have been centered for a long time on elements of group 15, and it is only more recently that carbon representatives have proved to be valuable alternatives with the emergence of the famous cyclic diaminocarbenes (NHCs). Beyond their activity, the predominance of N- and P-based ligands can be explained by their high stability as opposed to the carbon ligands that have long been thought to be unstable. The isolation of the first stable carbenes proved to be a trigger in the minds of chemists, leading in a short time to remarkable advances in the field of homogeneous catalysis. From there, considerable efforts have been undertaken and carbene ligands have become unavoidable surpassing even their illustrious predecessors in some transformations. Like carbenic species (NHCs, aNHCs (MICS), CAACs, BACs, non-NHCs, etc.), onium (P+, N+, S+) ylides and related (bis-ylides, carbones, carbodiphosphoranes, carbodicarbenes, NHOs, etc.) which are charge-neutral in their free state and act as strong σ-donor ligands, have experienced a revival of interest, thus, confirming their potential as Lewis bases in main group chemistry, coordination chemistry, and in homogeneous catalysis.
The aim of this Special Issue is to provide a contemporary overview of the advances in carbon ligand chemistry. From fundamental aspects to applications, all contributions involving carbon ligands, where the coordinating carbon atom is either of C-sp2 type as in carbenic derivatives, or of C-sp3 type as in ylidic species, are thus welcome. More generally, all carbon ligands regardless of the nature of the coordinating carbon center will also be of major interest for this special issue.
Dr. Yves Canac
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- Carbon ligand
- Carbon–metal bond
- Coordination mode
- Organometallic complex
- Main group chemistry
- Coordination chemistry
- Homogeneous catalysis