Issue 3, 2010

Synthesis of optically active green fluorescent π-conjugated fluorenepolymers having chiral Schiff bases in the side chain

Abstract

The synthesis of optically active poly(fluorene-alt-chiral iminofluorene)s using 1-phenylethylamine as a chiral auxiliary is described. Optically active polyfluorenes were synthesized by the palladium-catalyzed Suzuki–Miyaura coupling polymerization of 9,9′-dioctylfluorene-2,7-bis(trimethyleneborate) with a chiral Schiff base monomer (imino group modified-fluorene). The obtained polymers showed intense green emission with high quantum efficiency. Analysis of the circular dichroism data of the optically active polymers indicates that the polymers exhibit various highly-ordered regular structures in solution.

Graphical abstract: Synthesis of optically active green fluorescent π-conjugated fluorene polymers having chiral Schiff bases in the side chain

Supplementary files

Article information

Article type
Paper
Submitted
28 Sep 2009
Accepted
21 Oct 2009
First published
21 Dec 2009

Polym. Chem., 2010,1, 321-325

Synthesis of optically active green fluorescent π-conjugated fluorene polymers having chiral Schiff bases in the side chain

K. Asai, G. Konishi, K. Sumi and S. Kawauchi, Polym. Chem., 2010, 1, 321 DOI: 10.1039/B9PY00268E

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