Abstract
A series of well-defined block glycopolymer with the ether linkages throughout the main chains were synthesized by an easy and efficient way. First, the block copolymer intermediates poly(ethylene oxide)-b-poly(allyl glycidyl ether) (PEO-b-PAGE) with narrow molecular weight distribution were prepared by living anionic ring-opening polymerization. Then, 2,3,4,6-tetra-O-acetyl-β-thioglucopyranose (AcGSH) molecules were attached to the PAGE blocks by free-radical addition reaction of –SH groups of saccharide molecules with the double bonds. Finally, removal of the acetyl protective groups afforded the corresponding glycopolymers poly(ethylene oxide)-b-poly(allyl glycidyl ether-glucose) (PEO-b-P(AGE-glucose)). The composition and structure of the glycopolymers were characterized by 1HNMR, 13CNMR and FT-IR.
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