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Issue 38, 2011
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One-pot synthesis of cyclopentadienyl endcapped poly(2-ethyl-2-oxazoline) and subsequent ambient temperature Diels–Alder conjugations

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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).

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

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Article information


Submitted
07 Jul 2011
Accepted
15 Aug 2011
First published
01 Sep 2011

Chem. Commun., 2011,47, 10620-10622
Article type
Communication

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

M. Glassner, K. Kempe, U. S. Schubert, R. Hoogenboom and C. Barner-Kowollik, Chem. Commun., 2011, 47, 10620
DOI: 10.1039/C1CC14075B

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