Challenging an old paradigm by demonstrating transition metal-like chemistry at a neutral nonmetal center

Abstract We describe nonmetal adducts of the phosphorus center of terminal phosphinidene complexes using classical C- and N-ligands from metal coordination chemistry. The nature of the L-P bond has been analyzed by various theoretical methods including a refined method on the variation of the Laplac...

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Main Authors: David Biskup, Gregor Schnakenburg, René T. Boeré, Arturo Espinosa Ferao, Rainer K. Streubel
Format: Article
Language:English
Published: Nature Portfolio 2023-10-01
Series:Nature Communications
Online Access:https://doi.org/10.1038/s41467-023-42127-3
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author David Biskup
Gregor Schnakenburg
René T. Boeré
Arturo Espinosa Ferao
Rainer K. Streubel
author_facet David Biskup
Gregor Schnakenburg
René T. Boeré
Arturo Espinosa Ferao
Rainer K. Streubel
author_sort David Biskup
collection DOAJ
description Abstract We describe nonmetal adducts of the phosphorus center of terminal phosphinidene complexes using classical C- and N-ligands from metal coordination chemistry. The nature of the L-P bond has been analyzed by various theoretical methods including a refined method on the variation of the Laplacian of electron density ∇2ρ along the L-P bond path. Studies on thermal stability reveal stark differences between N-ligands such as N-methyl imidazole and C-ligands such as tert-butyl isocyanide, including ligand exchange reactions and a surprising formation of white phosphorus. A milestone is the transformation of a nonmetal-bound isocyanide into phosphaguanidine or an acyclic bisaminocarbene bound to phosphorus; the latter is analogous to the chemistry of transition metal-bound isocyanides, and the former reveals the differences. This example has been studied via cutting-edge DFT calculations leading to two pathways differently favored depending on variations in steric demand. This study reveals the emergence of organometallic from coordination chemistry of a neutral nonmetal center.
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spelling doaj.art-3b2fd2e04f584d86b71f8d95875defba2023-11-20T09:58:18ZengNature PortfolioNature Communications2041-17232023-10-0114111310.1038/s41467-023-42127-3Challenging an old paradigm by demonstrating transition metal-like chemistry at a neutral nonmetal centerDavid Biskup0Gregor Schnakenburg1René T. Boeré2Arturo Espinosa Ferao3Rainer K. Streubel4Institut für Anorganische Chemie, Rheinische Friedrich-Wilhelms-Universität BonnInstitut für Anorganische Chemie, Rheinische Friedrich-Wilhelms-Universität BonnDepartment of Chemistry and Biochemistry, University of LethbridgeDepartamento de Química Orgánica, Facultad de Química, Campus de Espinardo, Universidad de MurciaInstitut für Anorganische Chemie, Rheinische Friedrich-Wilhelms-Universität BonnAbstract We describe nonmetal adducts of the phosphorus center of terminal phosphinidene complexes using classical C- and N-ligands from metal coordination chemistry. The nature of the L-P bond has been analyzed by various theoretical methods including a refined method on the variation of the Laplacian of electron density ∇2ρ along the L-P bond path. Studies on thermal stability reveal stark differences between N-ligands such as N-methyl imidazole and C-ligands such as tert-butyl isocyanide, including ligand exchange reactions and a surprising formation of white phosphorus. A milestone is the transformation of a nonmetal-bound isocyanide into phosphaguanidine or an acyclic bisaminocarbene bound to phosphorus; the latter is analogous to the chemistry of transition metal-bound isocyanides, and the former reveals the differences. This example has been studied via cutting-edge DFT calculations leading to two pathways differently favored depending on variations in steric demand. This study reveals the emergence of organometallic from coordination chemistry of a neutral nonmetal center.https://doi.org/10.1038/s41467-023-42127-3
spellingShingle David Biskup
Gregor Schnakenburg
René T. Boeré
Arturo Espinosa Ferao
Rainer K. Streubel
Challenging an old paradigm by demonstrating transition metal-like chemistry at a neutral nonmetal center
Nature Communications
title Challenging an old paradigm by demonstrating transition metal-like chemistry at a neutral nonmetal center
title_full Challenging an old paradigm by demonstrating transition metal-like chemistry at a neutral nonmetal center
title_fullStr Challenging an old paradigm by demonstrating transition metal-like chemistry at a neutral nonmetal center
title_full_unstemmed Challenging an old paradigm by demonstrating transition metal-like chemistry at a neutral nonmetal center
title_short Challenging an old paradigm by demonstrating transition metal-like chemistry at a neutral nonmetal center
title_sort challenging an old paradigm by demonstrating transition metal like chemistry at a neutral nonmetal center
url https://doi.org/10.1038/s41467-023-42127-3
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