Issue 8, 2010

Versatile post-polymerization functionalization of poly(p-phenylene vinylene) copolymers containing carboxylic acid substituents: development of a universal method towards functional conjugated copolymers

Abstract

A novel conjugated copolymer of poly(2-methoxy-5-(3,7-dimethyloctyloxy)-1,4-phenylene vinylene) (MDMO-PPV) and poly(1,4-(2-(5-carboxypentyloxy)-5-methoxyphenylene) vinylene) (CPM-PPV), which can be used as a platform for further post-polymerization functionalization, is presented. This copolymer is soluble in common organic solvents, such as CHCl3, CH2Cl2 and THF. Post-polymerization functionalization of the acid-groups of this copolymer has been successfully performed via an optimized DCC/DMAP-procedure with the desired alcohol. Several examples have been prepared to demonstrate the versatility of the developed functionalization methodology. PPV-copolymers have been prepared with vinyl groups, propynylphenyl groups, methacrylate groups, ATRP initiator groups, dithiocarbamate initiator groups and propargyl groups. The latter group can be utilized to do “click” chemistry, which has been demonstrated with an azide-functionalized reagent. In all cases, analytical data are consistent with a quantitative conversion of the functional groups. It is demonstrated that no substantial degradation of the conjugated system occurs even after consecutive post-polymerization functionalization reactions.

Graphical abstract: Versatile post-polymerization functionalization of poly(p-phenylene vinylene) copolymers containing carboxylic acid substituents: development of a universal method towards functional conjugated copolymers

Supplementary files

Article information

Article type
Paper
Submitted
18 Mar 2010
Accepted
16 Apr 2010
First published
07 Jun 2010

Polym. Chem., 2010,1, 1313-1322

Versatile post-polymerization functionalization of poly(p-phenylene vinylene) copolymers containing carboxylic acid substituents: development of a universal method towards functional conjugated copolymers

J. Duchateau, L. Lutsen, W. Guedens, T. J. Cleij and D. Vanderzande, Polym. Chem., 2010, 1, 1313 DOI: 10.1039/C0PY00086H

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