A Pb2+-binding polychelatogen derived from thionated lactide
| Autor: | Agostino Pietrangelo, S. A. Masand, R. A. Lalancette, F. Boadi, A. Mangalum |
|---|---|
| Rok vydání: | 2016 |
| Předmět: |
Lactide
Aqueous solution General Chemical Engineering 02 engineering and technology General Chemistry 010402 general chemistry 021001 nanoscience & nanotechnology Metathesis 01 natural sciences 0104 chemical sciences Adduct chemistry.chemical_compound chemistry Thioether Polymerization Polymer chemistry Carboxylate 0210 nano-technology Saponification |
| Zdroj: | RSC Advances. 6:74250-74253 |
| ISSN: | 2046-2069 |
| DOI: | 10.1039/c6ra16230d |
| Popis: | 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. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|