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Copper(II) catalyses the reduction of perchlorate by both formaldehyde and by dihydrogen in aqueous solutions

  • Dror Shamir
  • , Dan Meyerstein
  • , Israel Zilbermann
  • , Ariela Burg
  • , Yael Albo
  • , Alexander I. Shames
  • , Radion Vainer
  • , Eitan J.C. Borojovich
  • , Guy Yardeni
  • , Haya Kornweitz
  • , Eric Maimon

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

During an effort to synthesize the trans-III-copper(II) complex with 1,4,8,11-tetramethyl-pyro-phosphonate-1,4,8,11-tetra-aza-cyclo-tetradecane, using only perchlorate salts, it was noted that the perchlorate is reduced to chloride. Analysis of the reactions leading to this surprising result points out that Cu(H2O)4 2+ catalyzes the reduction of perchlorate by H2 and by CH2O. These reactions are slow at room temperature and ambient pressures. A plausible mechanism, supported by DFT calculations, is proposed pointing out that the role of CuH+ under mild conditions cannot be ignored.

Original languageEnglish
Pages (from-to)2905-2912
Number of pages8
JournalJournal of Coordination Chemistry
Volume71
Issue number16-18
DOIs
StatePublished - 17 Sep 2018
Externally publishedYes

Bibliographical note

Publisher Copyright:
© 2018, © 2018 Informa UK Limited, trading as Taylor & Francis Group.

Funding

This study was supported by a grant from the Pazy Foundation. D.S. thanks Mr. A. Nikolski for his assistance with the Ion chromatograph measurements.

Funders
PAZY Foundation

    Keywords

    • DFT calculation
    • Perchlorate reduction
    • copper complex

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