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  Bis[(dialkylamino)cyclopropenimine]-Stabilized PIII- and PV-Centered Dications

Kozma, Á., Rust, J., & Alcarazo, M. (2015). Bis[(dialkylamino)cyclopropenimine]-Stabilized PIII- and PV-Centered Dications. Chemistry – A European Journal, 21(30), 10829-10834. doi:10.1002/chem.201500688.

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chem_201500688_sm_miscellaneous_information.pdf (Supplementary material), 6MB
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 Creators:
Kozma, Ágnes1, Author           
Rust, Jörg2, Author           
Alcarazo, Manuel1, Author           
Affiliations:
1Research Group Alcarazo, Max-Planck-Institut für Kohlenforschung, Max Planck Society, ou_1445592              
2Service Department Lehmann (EMR), Max-Planck-Institut für Kohlenforschung, Max Planck Society, ou_1445625              

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Free keywords: cations; electrochemistry; gold; ligand design; phosphorus
 Abstract: The treatment of bis[(dialkylamino)cyclopropenimines] with dihalophosphines in the presence of trimethylsilyl trifluoromethanesulfonate (TMSOTf) to form diimine-stabilized PIII-centered dications is reported. The structures of the new compounds were determined by using X-ray diffraction analysis and their donor abilities as ligands evaluated through electrochemical methods. Despite the two positive charges that they bear, these compounds depict intermediate behavior between that of phosphines and phosphites. The coordination of the [L2PR]2+ moiety to AuI and AgI is also reported. Even more surprisingly, these phosphorus centers can be oxidized to the corresponding PV dications in the presence of strong oxidants such as peroxides or XeF2.

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Language(s): eng - English
 Dates: 2015-04-242015-02-172005-06-192015-07-20
 Publication Status: Published in print
 Pages: 6
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1002/chem.201500688
 Degree: -

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Title: Chemistry – A European Journal
  Other : Chem. – Eur. J.
  Other : Chem. Eur. J.
Source Genre: Journal
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Publ. Info: Weinheim, Germany : VCH Verlagsgesellschaft
Pages: - Volume / Issue: 21 (30) Sequence Number: - Start / End Page: 10829 - 10834 Identifier: ISSN: 0947-6539
CoNE: https://pure.mpg.de/cone/journals/resource/954926979058