One-pot synthesis of cyclopentadienyl endcapped poly(2-ethyl-2-oxazoline) and subsequent ambient temperature Diels–Alder conjugations

Literature Information

Publication Date 2011-09-01
DOI 10.1039/C1CC14075B
Impact Factor 6.222
Authors

Mathias Glassner, Kristian Kempe, Richard Hoogenboom, Christopher Barner-Kowollik


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Abstract

An efficient method for the preparation of cyclopentadienyl endcapped poly(2-ethyl-2-oxazoline) (PEtOx–Cp) via cationic ring-opening polymerization utilizing sodium cyclopentadienide as a termination agent is presented. Subsequent Diels–Alder reactions with N-substituted maleimides proceed quantitatively at ambient temperature. A block copolymer (PEtOx-b-PEG) is prepared employing maleimide terminated poly(ethylene glycol).

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