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Synthesis of citric-acid-based dendrimers decorated with ferrocenyl groups and investigation of their electroactivity

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Abstract

Fc (ferrocene)-functionalized citric acid dendrimers were successfully synthesized via the reaction of citric acid dendrimers with ferrocene methanol using dicyclohexylcarbodiimide. ClOC–PEG–COCl was used as the core, and the related dendrimers were synthesized divergently. Subsequently, each generation was functionalized with ferrocene methanol. The obtained Fc-dendrimers were characterized by 1H NMR and FTIR spectroscopy. We have studied the relocation of electrons around the peripheries of dendrimers and between their redox terminals and electrodes by studies of the electrochemistry of dendrimers awarding metallocenes as functional’s groups, because these compounds can be stabilized together their oxidized and their reduced states. In addition, the voltammograms of each Fc-functionalized generation were studied and the influence of scan rate, solvent, and [Fe] unit and the concentration of the Fc-dendrimers were investigated.

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Acknowledgements

Authors thankfully acknowledge the financial funding D/39/1104 from the University of Tabriz and Research Center for the Pharmaceutical Nanotechnology (RCPN) of Tabriz University of Medical Science. The authors thank Dr. E. Alipour from the University of Tabriz for his assistance in the optimization of the CV assay.

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Authors and Affiliations

  1. Laboratory of Dendrimers and Nano-Biopolymers, Faculty of Chemistry, University of Tabriz, Tabriz, Iran

    Hassan Namazi, Seyedeh Samane Hashemipour & Yousef Toomari

  2. Research Center for Pharmaceutical Nanotechnology (RCPN), Tabriz University of Medical Science, Tabriz, Iran

    Hassan Namazi

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  1. Hassan Namazi
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  2. Seyedeh Samane Hashemipour
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Correspondence to Hassan Namazi.

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Namazi, H., Hashemipour, S.S. & Toomari, Y. Synthesis of citric-acid-based dendrimers decorated with ferrocenyl groups and investigation of their electroactivity. Polym. Bull. 74, 3783–3796 (2017). https://doi.org/10.1007/s00289-017-1930-5

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  • DOI: https://doi.org/10.1007/s00289-017-1930-5

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