Effects of denticity and ligand rigidity on reactivity of copper complexes with cumyl hydroperoxide

Pella, Bruce J.; Niklas, Jens; Poluektov, Oleg G.; Mukherjee, Anusree

doi:10.1016/j.ica.2018.07.035

Effects of denticity and ligand rigidity on reactivity of copper complexes with cumyl hydroperoxide

Journal Article · Tue Jul 24 00:00:00 EDT 2018 · Inorganica Chimica Acta

DOI:https://doi.org/10.1016/j.ica.2018.07.035· OSTI ID:1473686

Pella, Bruce J. ^[1]; Niklas, Jens ^[2]; Poluektov, Oleg G. ^[2]; Mukherjee, Anusree ^[1]

Univ. of Alabama, Huntsville, AL (United States). Dept. of Chemistry
Argonne National Lab. (ANL), Argonne, IL (United States). Chemical Science and Engineering Division

Cu(II) complexes bearing N2/Py2 tetradentate ligands consisting of two pyridyl arms and a flexible ethyldiamine backbone, [(BPMEN)Cu(ClO₄)₂] (1), with rigid cyclohexyl backbone [(BPMCN)Cu(ClO₄)₂] (2), and substituted with bispyrrolidyl [(PDP)Cu(ClO₄)₂] (3), and Cu(II) complex bearing N2/Py3 pentadentate ligand, [(TPMEN)Cu(ClO₄)₂] (4), were synthesized and structurally characterized. Reactivity of 1–4 with cumyl hydroperoxide was investigated to study the effects of ligand rigidity and denticity on the mechanism of O–O bond cleavage. Results presented herein illustrate that 1–3 favors homolysis, however 4 showed little to almost no impact on O–O bond cleavage.

View Accepted Manuscript (DOE)

Research Organization:: Argonne National Laboratory (ANL), Argonne, IL (United States)

Sponsoring Organization:: USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22). Chemical Sciences, Geosciences & Biosciences Division

Grant/Contract Number:: AC02-06CH11357

OSTI ID:: 1473686

Alternate ID(s):: OSTI ID: 1703179

Journal Information:: Inorganica Chimica Acta, Journal Name: Inorganica Chimica Acta Journal Issue: C Vol. 483; ISSN 0020-1693

Publisher:: ElsevierCopyright Statement

Country of Publication:: United States

Language:: English

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Effects of denticity and ligand rigidity on reactivity of copper complexes with cumyl hydroperoxide

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