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Issue 78, 2016, Issue in Progress
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A Pb2+-binding polychelatogen derived from thionated lactide

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Abstract

The synthesis and characterization of a polychelatogen derived from thionated lactide is reported. The four step synthesis from L-LA requires thionation and thia-Diels–Alder steps to afford a highly strained spiro-lactone adduct that is amenable to ring-opening metathesis polymerization. Saponification of the polymer affords a polyanion that exhibits a high affinity for toxic Pb2+ in aqueous solutions, results that we attribute to thioether and hydroxy carboxylate chelating moieties that are integrated into the polymer backbone and residues respectively.

Graphical abstract: A Pb2+-binding polychelatogen derived from thionated lactide

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Supplementary files

Article information


Submitted
22 Jun 2016
Accepted
31 Jul 2016
First published
01 Aug 2016

RSC Adv., 2016,6, 74250-74253
Article type
Communication

A Pb2+-binding polychelatogen derived from thionated lactide

A. Mangalum, F. Boadi, S. A. Masand, R. A. Lalancette and A. Pietrangelo, RSC Adv., 2016, 6, 74250
DOI: 10.1039/C6RA16230D

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