Issue 61, 2019

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

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

Supplementary files

Article information

Article type
Communication
Submitted
24 mei 2019
Accepted
03 jul 2019
First published
03 jul 2019

Chem. Commun., 2019,55, 8971-8974

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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