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Donor-substituted phosphanes – surprisingly weak Lewis donors for phosphenium cation stabilisation

Clark, Ewan R., Borys, Andryj M, Pearce, Kyle (2016) Donor-substituted phosphanes – surprisingly weak Lewis donors for phosphenium cation stabilisation. Dalton Transactions, 45 . pp. 16125-16129. ISSN 1477-9226. E-ISSN 1477-9234. (doi:10.1039/C6DT03478K) (KAR id:57534)

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https://doi.org/10.1039/C6DT03478K

Abstract

Paradoxically, N- and O- donor substituted tri-arylphosphanes are shown to be weaker donors than PPh\(_3\) when binding the soft Lewis acid moiety [PPh\(_2\)]\(^+\). This arises from internal solvation and rehybridisation at phosphorus, precluding chelation and increasing steric demand, in direct contrast to coordination modes observed for metal complexes.

Item Type: Article
DOI/Identification number: 10.1039/C6DT03478K
Subjects: Q Science > QD Chemistry
Divisions: Divisions > Division of Natural Sciences > School of Physical Sciences
Depositing User: Ewan Clark
Date Deposited: 27 Sep 2016 10:18 UTC
Last Modified: 16 Feb 2021 13:37 UTC
Resource URI: https://kar.kent.ac.uk/id/eprint/57534 (The current URI for this page, for reference purposes)
Clark, Ewan R.: https://orcid.org/0000-0001-7287-2631
Borys, Andryj M: https://orcid.org/0000-0001-8437-2562
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