Bent phosphaallenes with "hidden" lone pairs as ligands.

08:00 EDT 30th March 2019 | BioPortfolio

Summary of "Bent phosphaallenes with "hidden" lone pairs as ligands."

Phosphaheteroallenes R-P=C=L with L = N-heterocyclic carbenes (NHCs) can be viewed to a certain extent as phosphaisonitriles stabilized with NHCs, R-P=
←L. The suitability of these molecules as ligands to coinage metal ions was investigated and coordination via the central carbon center was observed in most cases. A combination of experiments, spectroscopic methods and DFT calculations indicates the presence of an hidden electron pair at the carbon center of R-P=
←L. Remarkably, this lone pair also inserts intramolecularly in C-H bonds showing carbene-type reactivity which is expected for phosphaisonitriles.


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Name: Chemistry (Weinheim an der Bergstrasse, Germany)
ISSN: 1521-3765


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