Synthesis of fluorescent water-soluble oligo (oxazoline-ethylenimine) block copolymers

Rita F. Pires1*, Joana Frutuoso2, Ana Sofia Cortes2, Ana Aguiar-Ricardo2, Vasco D. B. Bonifácio1*

1Centro de Química-Física Molecular and Institute of Nanoscience and Nanotechnology, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1049-001 Lisboa, Portugal

2LAQV-REQUIMTE, Departamento de Química, Faculdade de Ciências e Tecnologia, Universidade NOVA de Lisboa, Campus de Caparica, 2829-516 Caparica, Portugal

Adv. Mater. Lett., 2018, 9 (5), pp 383-386

DOI: 10.5185/amlett.2018.1822

Publication Date (Web): May 17, 2018

E-mail: vasco.bonifacio@tecnico.ulisboa.pt

Abstract


The synthesis of new block copolymers of oligo-2-oxazoline and linear oligo(ethylenimine), performed using a green protocol, is described. The synthesis follow a new strategy that allow a precise control the oligo(ethylenimine) backbone. The block copolymers are water-soluble and show an intrinsic blue fluorescence.

Keywords

Oligooxazolines, oligoethyleneimine, block copolymers, supercritical carbon dioxide.

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