Zn-Templated synthesis of substituted (2,6-diimine)pyridine proligands and evaluation of their iron complexes as anolytes for flow battery applications

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dc.contributor.authorBraun, Jason
dc.contributor.authorGray, Paul
dc.contributor.authorSidhu, Baldeep K
dc.contributor.authorNemez, Dion
dc.contributor.authorHerbert, David E
dc.date.accessioned2021-10-22T17:51:45Z
dc.date.available2021-10-22T17:51:45Z
dc.date.issued2020-04-13
dc.date.submitted2021-10-15T20:29:31Zen_US
dc.description.abstractPseudo-octahedral iron complexes supported by tridentate N^N^N-binding, redox ‘non-innocent’ diiminepyridine (DIP) ligands exhibit multiple reversible ligand-based reductions that suggest the potential application of these complexes as anolytes in redox flow batteries (RFBs). When bearing aryl groups at the imine nitrogens, substitution at the 4-position can be used to tune these redox potentials and impact other properties relevant to RFB applications, such as solubility and stability over extended cycling. DIP ligands bearing electron-withdrawing groups (EWGs) in this position, however, can be challenging to isolate via typical condensation routes involving para-substituted anilines and 2,6-diacetylpyridine. In this work, we demonstrate a high-yielding Zn-templated synthesis of DIP ligands bearing strong EWGs. The synthesis and electrochemical characterization of iron(II) complexes of these ligands is also described, along with properties relevant to their potential application as RFB anolytes.en_US
dc.description.sponsorshipNatural Sciences and Engineering Research Council of Canada (RGPIN-2014-03733)en_US
dc.identifier.citationDalton Transactions 2020, 49, 16175-16183en_US
dc.identifier.doi10.1039/D0DT00543F
dc.identifier.urihttp://hdl.handle.net/1993/36051
dc.language.isoengen_US
dc.publisherRoyal Society of Chemistryen_US
dc.rightsopen accessen_US
dc.subjectCoordination Chemistryen_US
dc.titleZn-Templated synthesis of substituted (2,6-diimine)pyridine proligands and evaluation of their iron complexes as anolytes for flow battery applicationsen_US
dc.typePreprinten_US
local.author.affiliationFaculty of Scienceen_US
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