Azide-based heterobifunctional poly(ethylene oxide)s: NaN3-initiated “living” polymerization of ethylene oxide and chain end functionalizations
Literature Information
Publication Date
2015-11-02
DOI
10.1039/C5PY01444A
Impact Factor
5.582
Authors
Sera Yang, Youn Kim, Hyeong Cheol Kim, Abu B. Siddique, Gyusaang Youn, Hyun Jun Kim, Hyeon Jong Park, Jae Yeol Lee, Sehoon Kim, Jungahn Kim
View Original
Abstract
In this study, sodium azide (NaN3) was employed as a functional anionic initiator to polymerize ethylene oxide in N,N-dimethylformamide (DMF) leading to the production of the reactive polymeric alkoxide. The molecular weights of all products were controlled within the 2800–10 000 g mol−1 range on the basis of the stoichiometric balance. NaN3-initiated polymerization of ethylene oxide (EO) and chain end functionalization of the resulting alkoxide were found to be a simple and efficient method for synthesizing heterobifunctional PEOs. The reaction route via chain end tosylation of α-azide PEOs was found to yield almost quantitative functionalizations for the synthesis of α-azide-ω-tosyl PEO, α-azide-ω-thiol PEO, and α-amine-ω-thiol PEO (over 98 mol%).
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Source Journal
Polymer Chemistry
CiteScore:
8.6
Self-citation Rate:
7.3%
Articles per Year:
457
Polymer Chemistry welcomes submissions in all areas of polymer science that have a strong focus on macromolecular chemistry. Manuscripts may cover a broad range of fields, yet no direct application focus is required.
Recommended Compounds
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4-(4-Methoxyphenyl)-5-methyl-1,3-thiazol-2-amine
CAS Number:
105512-88-7
Molecular Formula:
C11H12N2OS
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