Steric Control in Reactions of N-Heterocyclic Phosphorus Electrophiles with Pentacarbonyl Manganate(-I)

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Papendick , M , Feil , C M , Nieger , M & Gudat , D 2018 , ' Steric Control in Reactions of N-Heterocyclic Phosphorus Electrophiles with Pentacarbonyl Manganate(-I) ' , Zeitschrift für anorganische und allgemeine Chemie , vol. 644 , no. 17 , pp. 1006-1010 . https://doi.org/10.1002/zaac.201800178

Title: Steric Control in Reactions of N-Heterocyclic Phosphorus Electrophiles with Pentacarbonyl Manganate(-I)
Author: Papendick, Marius; Feil, Christoph M.; Nieger, Martin; Gudat, Dietrich
Contributor: University of Helsinki, Department of Chemistry
Date: 2018-09-17
Language: eng
Number of pages: 5
Belongs to series: Zeitschrift für anorganische und allgemeine Chemie
ISSN: 0044-2313
URI: http://hdl.handle.net/10138/324821
Abstract: Metathesis of Na[Mn(CO)(5)] with N-tBu and N-Mes substituted, electrophilic N-heterocyclic phosphane derivatives afforded in the first case an ionic N-heterocyclic phosphenium (NHP) metalate and in the second case a covalent phosphenium complex. The products were characterized by analytical and spectroscopic data and the NHP complex as well by a single-crystal X-ray diffraction study. A DFT study allows relating the different outcome of the reactions studied with the energetics of the decarbonylation of the appropriate NHP metalates. Closer evaluation reveals steric factors as the key to explaining the observed behavior, and indicates that their impact displays close parallels to NHC chemistry.
Subject: P ligands
N-heterocyclic phosphenium complex
Ligand design
Steric effects
Reaction mechanisms
PHOSPHENIUM COMPLEX
METAL-COMPLEXES
MULTIPLE BOND
LIGANDS
CARBENES
IONS
NHC
116 Chemical sciences
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