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Issue 61, 2019
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P(V) dications: carbon-based Lewis acid initiators for hydrodefluorination

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Abstract

The P(III) dication [(terpy)PPh]2+ is oxidized by reaction with o-chloranil or 9,10-phenanthrenequinone to give the P(V) dications [(terpy)(C6Cl4O2)PPh]2+ and [(terpy)(C14H8O2)PPh]2+, respectively. These species are coordinatively saturated at phosphorus and yet display the ability to effect Lewis acid initiation of hydrodefluorination of fluoroalkanes. Experimental and computational data support the notion that the P(V) dications are Lewis acidic at the para-carbon of the central ring of the terpy ligand.

Graphical abstract: P(v) dications: carbon-based Lewis acid initiators for hydrodefluorination

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Publication details

The article was received on 24 May 2019, accepted on 03 Jul 2019 and first published on 03 Jul 2019


Article type: Communication
DOI: 10.1039/C9CC04010B
Chem. Commun., 2019,55, 8971-8974

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    P(V) dications: carbon-based Lewis acid initiators for hydrodefluorination

    A. E. Waked, S. S. Chitnis and D. W. Stephan, Chem. Commun., 2019, 55, 8971
    DOI: 10.1039/C9CC04010B

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