Catechol/boronic acid chemistry for the creation of block copolymers with a multi-stimuli responsive junction
Literature Information
Publication Date
2016-06-17
DOI
10.1039/C6PY00738D
Impact Factor
5.582
Authors
Fanny Coumes, Aurélie Malfait, Marc Bria, Joël Lyskawa, Patrice Woisel, David Fournier
View Original
Abstract
Two original Chain Transfer Agents (CTAs) integrating either a nitrocatechol or a boronic acid moiety were synthesized allowing the conception of a wide library of end-functionalized well-defined homopolymers via the Reversible Addition–Fragmentation chain Transfer (RAFT) process. Kinetic studies using NMR spectroscopy and Size Exclusion Chromatography (SEC) were carried out, revealing good control of polymerizations of various monomers. Then, a coupling reaction between the complementary nitrocatechol and boronic acid end-chain polymers was optimized to create a dynamic boronate ester junction between the polymer blocks. The effectiveness of the reaction was demonstrated by means of NMR (1H, DOSY), SEC and cyclic voltammetry. The ability of the covalent bond, and thus the block copolymers, to be disrupted on demand was assessed using a competitive molecule (2-naphthylboronic acid) and UV irradiation as stimuli.
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Source Journal
Polymer Chemistry
CiteScore:
8.6
Self-citation Rate:
7.3%
Articles per Year:
457
Polymer Chemistry welcomes submissions in all areas of polymer science that have a strong focus on macromolecular chemistry. Manuscripts may cover a broad range of fields, yet no direct application focus is required.
Recommended Compounds
4-Benzyl-1-(tert-butoxycarbonyl)piperidine-4-carboxylic acid
CAS Number:
170838-87-6
Molecular Formula:
C18H25NO4
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