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One-pot cascade polymerization based on the addition reactions of electrophilic selenium reagents to alkenes

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Abstract

A direct polymerization based on the addition reactions of electrophilic selenium reagents to alkenes was established. It consists of a one-pot cascade process with the generation of selenyl chloride by in situ breakage of the Se–Se bond using sulfuryl chloride, followed by the addition of the obtained selenyl chloride to the carbon–carbon double bond. The polymerization mechanism was confirmed to be a stepwise mechanism. The resulting polymers were characterized and determined to be linear polymers with a sequence regulated backbone repeating unit of ester-selenide-vinyl chloride. When the proportion of sulfuryl chloride was controlled, vinyl terminal groups and diselenide could be easily introduced at the same time, providing a simple way for further modification and application. The feasibility of monomers derived from low cost and easily available unsaturated natural fatty alcohols such as oleyl alcohol, 5-norbornene-2-methanol, etc., was also investigated. It is worth emphasizing specially that the ester-selenide bridged backbone endowed the polyesters with multi stimuli-responsiveness for practical applications.

Graphical abstract: One-pot cascade polymerization based on the addition reactions of electrophilic selenium reagents to alkenes

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Publication details

The article was received on 07 Oct 2018, accepted on 28 Nov 2018 and first published on 05 Dec 2018


Article type: Paper
DOI: 10.1039/C8PY01441H
Citation: Polym. Chem., 2019, Advance Article
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    One-pot cascade polymerization based on the addition reactions of electrophilic selenium reagents to alkenes

    X. An, W. Lu, M. Pang, Z. Zhang, X. Zhu, J. Zhu and X. Pan, Polym. Chem., 2019, Advance Article , DOI: 10.1039/C8PY01441H

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