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Open AccessFeature PaperCommunication

Synthesis and Characterization of a Binuclear Copper(II)-dipyriamethyrin Complex: [Cu2(dipyriamethyrin)(μ2-1,1-acetato)2]

1
Department of Chemistry, The University of Texas at Austin 105 E 24th Street-Stop A5300, Austin, TX 78712-1224, USA
2
Materials Science and Engineering Program and Texas Materials Institute, The University of Texas at Austin, Austin, TX 78712, USA
*
Author to whom correspondence should be addressed.
Academic Editor: José A. S. Cavaleiro
Molecules 2020, 25(6), 1446; https://doi.org/10.3390/molecules25061446
Received: 3 March 2020 / Revised: 19 March 2020 / Accepted: 21 March 2020 / Published: 23 March 2020
(This article belongs to the Special Issue Porphyrinoid Derivatives: Synthesis and Biological Applications)
The reaction between dipyriamethyrin and copper(II) acetate [Cu(OAc)2] afforded what is, to our knowledge, the first transition metal-dipyriamethyrin complex. Molecular and electronic characterization of this binuclear Cu(II) complex via EPR, UV-vis, and single crystal X-ray diffraction analysis revealed marked differences between the present constructs and previously reported binuclear copper(II) hexaphyrin species. UV-vis titration analyses provided evidence for a homotropic positive allosteric effect, wherein the binuclear species is formed without significant intermediacy of a monomeric complex. View Full-Text
Keywords: dipyriamethyrin; expanded porphyrin; binuclear copper; porphyrinoid; allosteric effect dipyriamethyrin; expanded porphyrin; binuclear copper; porphyrinoid; allosteric effect
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MDPI and ACS Style

Brewster, J.T., II; Root, H.D.; Zafar, H.; Thiabaud, G.D.; Sedgwick, A.C.; He, J.; Lynch, V.M.; Sessler, J.L. Synthesis and Characterization of a Binuclear Copper(II)-dipyriamethyrin Complex: [Cu2(dipyriamethyrin)(μ2-1,1-acetato)2]. Molecules 2020, 25, 1446.

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