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Pure and Applied Chemistry

The Scientific Journal of IUPAC

Ed. by Burrows, Hugh / Weir, Ron / Stohner, Jürgen

12 Issues per year

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Boron as a key component for new π-electron materials

Shigehiro Yamaguchi1 / Atsushi Wakamiya1

1Department of Chemistry, Graduate School of Science, Nagoya University, and SORST, Japan Science and Technology Agency, Chikusa, Nagoya 464-8602, Japan

Citation Information: Pure and Applied Chemistry. Volume 78, Issue 7, Pages 1413–1424, ISSN (Online) 1365-3075, ISSN (Print) 0033-4545, DOI: 10.1351/pac200678071413, January 2009

Publication History

Published Online:
2009-01-01

For the molecular design of new π-electron materials, the incorporation of main group elements into the π-conjugated frameworks is a powerful approach to modifying the nature of the parent π-conjugated systems. In particular, the group 13 boron is of interest, since the boron element has several characteristic features, such as an effective orbital interaction with the π-conjugated frameworks through the vacant p-orbital (i.e., pπ-π* conjugation), high Lewis acidity, and trigonal planar geometry. By exploiting these features of the boron atom, we have designed and synthesized several types of new π-electron materials, including trianthrylborane- or dibenzoborole-based π-conjugated systems as a new fluoride ion sensor, boryl-substituted thienylthiazole as a new building unit for electron-transporting materials, and B,B',B''-trianthrylborazine (B3N3)-based materials as a model of the bundled system of π-conjugated frameworks.

Keywords: borazine; boron; electron-transporting materials; fluoride ion sensors; p-π* conjugation

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