A Facile,Controlled Synthesis of Soluble Star Polymers Containing a Sugar Residue by Ring-Opening Metathesis Polymerization (ROMP) |
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| Authors: | Hisaki Otani Sakiko Fujita Yu Watanabe Michiya Fujiki Kotohiro Nomura |
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| Institution: | Graduate School of Materials Science, Nara Institute of Science and Technology (NAIST), 8916-5 Takayama, Ikoma, Nara 630-0101, Japan |
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| Abstract: | Summary: Precise syntheses of soluble star polymers containing a sugar residue could be attained by adopting sequential ring-opening metathesis polymerizations of norbornene, 1,4,4a,5,8,8a-hexahydro-1,4,5,8-exo-endo-dimethanonaphtalene, and then 1,2:3,4-di-O-isopropylidene-α-D-galacto-pyranos-6-O-yl 5-norbornene-2-carboxylate using Mo(CHCMe2Ph)(N-2,6-iPr2C6H3)(OtBu)2. The resultant polymers possessed uniform molecular weight distributions, and the Mn values could be varied by the monomer/Mo molar ratios; their spherical images were observed in the TEM micrographs. |
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| Keywords: | carbohydrate ring-opening metathesis polymerization (ROMP) star polymers synthesis TEM |
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