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Volume 10
Issue 6
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Article
Peer-Review Record

A Kinetic Study on the Efficient Formation of High-Valent Mn(TPPS)-oxo Complexes by Various Oxidants

Catalysts 2020, 10(6), 610; https://doi.org/10.3390/catal10060610
by Magdalena Procner 1,2, Łukasz Orzel 2, Grażyna Stochel 2 and Rudi van Eldik 2,3,*
Reviewer 1: Anonymous
Reviewer 2: Anonymous
Catalysts 2020, 10(6), 610; https://doi.org/10.3390/catal10060610
Submission received: 10 May 2020 / Revised: 27 May 2020 / Accepted: 27 May 2020 / Published: 1 June 2020
(This article belongs to the Special Issue Recent Developments on Catalysis by Metalloporphyrins and Analogues)

Round 1

Reviewer 1 Report

The manuscript deals with a systematic kinetic study on the formation of high-valent Mn=O species upon oxidation of Mn(III) porphyrin complexes. Taking into account widespread applications of the latter in oxidation catalysis, this quantitative information can be highly useful for the future optimization of such catalytic systems and certainly deserves publication. The manuscript is written with great care and may be published “as is”, after removal the reminder text in the acknowledgement section.

Author Response

We have deleted the first reminder in the Acknowledgments

Reviewer 2 Report

The authors report on the study of formation of Mn-oxo complexes within the TPPS ligand framework via reaction with various oxidation agents. Apart from the basic science reported with the meticulous detailed kinetic analysis, results reported are significant since they can be applied in waste-water treatment and knowledge can be transferred not only to dye oxidation, but other important reactions with other metal complexes that involve oxo-species and oxidations.

The manuscript is very concise, very neatly prepared and very easy for the reader to follow. Results are presented in a clear manner. Overall, I propose the manuscript be published as is, with two minor things to check:

  1. line 40: "new methods" - I think something should be added here to clarify the term, e.g. "new methods for the..."
  2. line 233: the potential reported should be referenced to Fc or NHE or Ag/AgCl electrode.

Author Response

  1. line 40: "new methods" - I think something should be added here to clarify the term, e.g. "new methods for the..."

We have extended the text

  1. line 233: the potential reported should be referenced to Fc or NHE or Ag/AgCl electrode.

The potential quoted is the standard electrode potential, i.e. vs NHE, which is now included in the revised manuscript

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