Phenylenediamine dimer: A redox-active guest for supramolecular systems

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F70883521%3A28110%2F23%3A63571099" target="_blank" >RIV/70883521:28110/23:63571099 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
Phenylenediamine dimer: A redox-active guest for supramolecular systems
Original language description
In this study, we investigated the synthesis and formation of inclusion complexes of a redox-active N,N,N',N'-tetramethyl-p-phenylenediamine-based guest (G) with cyclodextrins (CDs) and cucurbiturils (CBs) using NMR, IMS-MS, ITC and CV. Our results indicate the formation of stable 1:1, 1:2 and 2:1 binary complexes with CDs and CBs. In addition, G forms ternary complexes with CB7 and CDs, with the CD unit positioned in the central part of the guest fastened by two CB7 molecules. The redox nature of the guest allows the formation of a dimer in water solution and especially in the cavity of -CD. The dimerization of cation radicals can be disrupted by the presence of CB7 or enhanced in the presence of CB8. Overall, we thoroughly investigated the effects of supramolecular complexes on redox properties of G, particularly the stability of complexed cation radicals to reducing agents. We explored the scope and limitations of N,N,N',N'-tetramethyl-p-phenylenediamine as a binding and redox centre in supramolecular catalytic devices.
Czech name
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Czech description
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Publication year
2023
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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