The geometric constraints provided by the cryptand are reminiscent of Nature's multicopper oxidases (MCOs). Indeed, the fully reduced (PF 6) 2 can reduce O 2 under acidic conditions. The distinct electrochemical behaviors of (PF 6) 3 and its solvent-exposed analog (PF 6) 4 suggest that isolation of tricopper core in a cryptand enables facile electron transfer, allowing potential application of synthetic tricopper complexes as redox catalysts. Contrasting the limited redox capability of synthetic tricopper complexes reported so far, (PF 6) 3 exhibits several reversible single-electron redox events. The fourth TREN caps on top of the tricopper cluster to form a cryptand, imposing conformational constraints and preventing solvent interaction. The macrocyclic azacryptand TREN 4 contains four TREN motifs, three of which provide a bowl-shape binding pocket for the 3+ core. A set of editing tools is as well integrated, like line drawing, circle drawing, text adding as a set of filters (negative, blur, sharpen).One-pot reaction of tris(2-aminoethyl)amine (TREN), PF 6, and paraformaldehyde affords a mixed-valent (PF 6) 3 complex. Alternate Pic View Lite is a useful utility for viewing and editing digital images. Need more great software? Check out our must-have software list. Alternate Pic View Lite has been saved to your software list. Would you like to receive announcements about new Alternate Pic View Lite versions by email? More details and free registration here. ![]() If it doesn't, click here to start the download process manually. The download should start automatically in a few seconds. ![]() Top Software Keywords Show more Show less
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