3- and 4-Arm Star Polymers (PEG3 and PEG4) via Metal-Free Azide-Alkyne Click Reaction

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Journal of the Turkish Chemical Society Section A: Chemistry
Volume:10 Issue:3
3- and 4-Arm Star Polymers (PEG3 and PEG4) via Metal-Free Azide-Alkyne Click Reaction

3- and 4-Arm Star Polymers (PEG3 and PEG4) via Metal-Free Azide-Alkyne Click Reaction

Pages : 797-804

View : 69 | Download : 65

Publication Date : 2023-08-30

Article Type : Research Paper

Abstract :Star polymers are known for their different structural and functional properties. Depending on their structure, they may display a wide range of characteristics. Star polymers can be synthesized using either a core-first or arm-first strategy. Numerous synthetic approaches can be used in both cases. In this work, 3- and 4-arm star polymers were prepared via the metal-free azide-alkyne click reaction. Trifunctional and tetrafunctional propiolate insert ignore into journalissuearticles values(acetylenecarboxylate); ester-containing cores were prepared and then subjected to a metal-free azide-alkyne reaction with azide end-functionalized PEG insert ignore into journalissuearticles values(PEG-N3); to yield A3 and A4-type star polymers, respectively. All the structures were characterized using 1H and 13C NMR spectroscopy and GPC.
Keywords : star polymers, metal free click, azide alkyne click reaction

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