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Synthesis, Reactivity, and Computational Analysis of Halophosphines Supported by Dianionic Guanidinate Ligands

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Brazeau, A., Hänninen, M. M., Tuononen, H., Jones, N., & Ragogna, P. (2012). Synthesis, Reactivity, and Computational Analysis of Halophosphines Supported by Dianionic Guanidinate Ligands. Journal of the American Chemical Society, 134(11), 5398-5414. https://doi.org/10.1021/ja300587z
Published in
Journal of the American Chemical Society
Authors
Brazeau, Allison |
Hänninen, Mikko M. |
Tuononen, Heikki |
Jones, Nathan |
Ragogna, Paul
Date
2012
Discipline
Epäorgaaninen ja analyyttinen kemiaInorganic and Analytical Chemistry
Copyright
© 2012 American Chemical Society. This is a final draft version of an article whose final and definitive form has been published by ACS. Published in this repository with the kind permission of the publisher.

 
The reported chemistry and reactivity of guanidinate supported group 15 elements in the +3 oxidation state, particularly phosphorus, is limited when compared to their ubiquity in supporting metallic elements across the periodic table. We have synthesized a series of chlorophosphines utilizing homo- and heteroleptic (dianionic)guanidinates and have completed a comprehensive study of their reactivity. Most notable is the reluctancy of these four-membered rings to form the corresponding N-heterocyclic phosphenium cations, the tendency to chemically and thermally eliminate carbodiimide, and the scarcely observed ring expansion by insertion of a chloro(imino)phosphine into a P–N bond of the P–N–C–N framework. Computational analysis has provided corroborating evidence for the unwillingness of the halide abstraction reaction by demonstrating the exceptional electron acceptor properties of the target phosphenium cations and the underscoring strength of the P–X bond.
Publisher
ACS
ISSN Search the Publication Forum
0002-7863
Keywords
halofosfiinit guanidinaattiligandit halophosphines guanidinate ligands
DOI
https://doi.org/10.1021/ja300587z
URI

http://urn.fi/URN:NBN:fi:jyu-201511243786

Publication in research information system

https://converis.jyu.fi/converis/portal/detail/Publication/21463625

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