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Issue 8, 2015
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Facile synthesis of well-defined redox responsive diselenide-labeled polymers via organoselenium-mediated CRP and aminolysis

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Abstract

Diselenide-containing polymer is an attractive polymer for their redox sensitivity, and has potential applications in bio-related areas. In this work, the synthesis of diselenide (Se–Se)-labeled polymers based on diselenocarbonate-mediated controlled radical polymerization (CRP) was investigated. Diselenocarbonate-end capped polymers from diselenocarbonate-mediated CRP were transformed to diselenide-centered polymers through high-efficiency aminolysis and a spontaneous oxidation coupling reaction in an open system. The process of aminolysis and spontaneous oxidation of the polymer chain ends was monitored by UV-Vis, GPC and NMR characterizations. The obtained diselenide-centered polymers showed reversible redox-responsive behavior. This work provides a protocol for introducing a redox responsive Se–Se bond into the polymer backbones. Importantly, the molecular weight and architectures of the diselenide-containing polymer can be well defined, which would be potentially useful for the fabrication of bio-related polymeric materials.

Graphical abstract: Facile synthesis of well-defined redox responsive diselenide-labeled polymers via organoselenium-mediated CRP and aminolysis

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Publication details

The article was received on 30 Oct 2014, accepted on 18 Nov 2014 and first published on 19 Nov 2014


Article type: Paper
DOI: 10.1039/C4PY01481B
Polym. Chem., 2015,6, 1367-1372

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    Facile synthesis of well-defined redox responsive diselenide-labeled polymers via organoselenium-mediated CRP and aminolysis

    F. Gao, X. Pan, J. Zhu, Z. Zhang, W. Zhang and X. Zhu, Polym. Chem., 2015, 6, 1367
    DOI: 10.1039/C4PY01481B

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