Issue 51, 2015
From the journal:

Chemical Communications

A biomimetic phenol substituent effect on the reaction of a dimethylplatinum(ii) complex with oxygen: proton coupled electron transfer and multiple proton relay†

Mohamed E. Moustafa,ab   Paul D. Boylea  and  Richard J. Puddephatt*a  

* Corresponding authors

a Department of Chemistry, University of Western Ontario, London, Canada
E-mail: pudd@uwo.ca

b Department of Chemistry, Faculty of Education, Suez Canal University, Arish, Egypt

Abstract

The complex [PtMe2({κ2-N,N-RN[double bond, length as m-dash]CH-2-C5H4N})] reacts with oxygen in acetone solution to give the platinum(IV) complex [Pt(OH)Me2{κ3-N,N,O-RNH–CH(2-C5H4N)(CH[double bond, length as m-dash]CMeO)}], when R = 2-C6H4OH, but not when R = Ph. It has been suggested that the phenol substituent plays two key biomimetic roles; firstly, in proton coupled electron transfer reactions in the activation of oxygen and hydroperoxide groups and, secondly, in proton relay from a methyl group of the coordinated acetone.

Graphical abstract: A biomimetic phenol substituent effect on the reaction of a dimethylplatinum(ii) complex with oxygen: proton coupled electron transfer and multiple proton relay

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Article information

DOI
https://doi.org/10.1039/C5CC03136B
Article type
Communication
Submitted
15 Apr 2015
Accepted
18 May 2015
First published
18 May 2015

Chem. Commun., 2015,51, 10334-10336

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A biomimetic phenol substituent effect on the reaction of a dimethylplatinum(II) complex with oxygen: proton coupled electron transfer and multiple proton relay

M. E. Moustafa, P. D. Boyle and R. J. Puddephatt, Chem. Commun., 2015, 51, 10334 DOI: 10.1039/C5CC03136B

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