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Orthogonal multifunctionalization of aliphatic polycarbonate via sequential Michael addition and radical‐thiol‐ene click reactions
Authors:
Bilal Bugra Uysal
Ufuk Saim Gunay
Gurkan Hizal
Umit Tunca
Institution:
Department of Chemistry, Istanbul Technical University, , Maslak, Istanbul, 34469 Turkey
Abstract:
Aliphatic polycarbonate (PC) copolymer is synthesized by ring opening copolymerization of acrylate‐ and allyl‐functional cyclic carbonate monomers. The post‐polymerization functionalization of the resulting copolymer is performed quantitatively using a variety of thiol compounds via sequential Michael addition and photo‐induced radical thiol‐ene click reactions within relatively short reaction time at ambient temperature. This metal‐free click chemistry methodology affords the synthesis of biocompatible PC copolymer with multifunctional groups. © 2014 Wiley Periodicals, Inc. J. Polym. Sci., Part A: Polym. Chem. 2014 ,
52
, 1581–1587
Keywords:
aliphatic polycarbonate (PC)
click reaction
cysteine
gel permeation chromatography (GPC)
2‐mercaptoethanol
Michael addition
multifunctionalization
NMR
photo‐induced radical thiol‐ene
ring opening polymerization (ROP)
thiol‐ene
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