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Synthesis of AB Diblock Copolymers by Atom-Transfer Radical Polymerization (ATRP) and Living Polymerization of α-Amino Acid-N-Carboxyanhydrides

✍ Scribed by Krystyna R. Brzezinska; Timothy J. Deming

Publisher
John Wiley and Sons
Year
2004
Tongue
English
Weight
88 KB
Volume
4
Category
Article
ISSN
1616-5187

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✦ Synopsis

Abstract

Summary: The synthesis of poly(methyl acrylate)‐block‐poly(γ‐benzyl‐L‐glutamate) (PMA‐b‐PBLG) diblock copolymers, using atom‐transfer radical polymerization (ATRP) of methyl acrylate and living polymerization of γ‐benzyl‐L‐glutamate‐N‐carboxyanhydride (Glu‐NCA) is described. Amido‐amidate nickelacycle end groups were incorporated onto amino‐terminated poly(methyl acrylates), and the resulting complexes were successfully used as macroinitiators for the growth of polypeptide segments. This method allows the controlled preparation of polypeptide‐block‐poly(methyl acrylate) diblock architectures with control over polypeptide chain length and without the formation of homopolypeptide contaminants.
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