Improved Synthesis of 1,8-Diiodoanthracene and Its Application to the Synthesis of Multiple Phenylethynyl-Substituted Anthracenes

Michio Goichi; Kazushi Segawa; Shinya Suzuki; Shinji Toyota

doi:10.1055/s-2005-869999

SHORTPAPER

Improved Synthesis of 1,8-Diiodoanthracene and Its Application to the Synthesis of Multiple Phenylethynyl-Substituted Anthracenes

Michio Goichi, Kazushi Segawa, Shinya Suzuki, Shinji Toyota*
Department of Chemistry, Faculty of Science, Okayama University of Science, 1-1 Ridaicho, Okayama 700-0005, Japan
e-Mail: stoyo@chem.ous.ac.jp ;

Abstract

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Abstract

1,8-Diiodoanthracene was synthesized from 1,8-dichloroanthraquinone in three steps by improved procedures in 41% overall yield. Some anthracene derivatives carrying multiple phenylethynyl groups were synthesized from 1,8-diiodoanthracene and 4,5-diiodo-9-anthrone.

Key words

halogenation - reduction - cross-coupling - ethynylation - anthracenes

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