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Halogenated Thiophenes as Precursors in the Preparation of Halogenated and Arylated Anthraquinones
* 1 , 2 , 3
1  Interdisciplinary Graduate School of Engineering Sciences
2  Institute of Materials Chemistry and Engineering, Kyushu University, 6-1, Kasuga-koh-en, Kasuga-shi, Fukuoka 816-8580, Japan
3  Department of Physical Chemistry, University of Alicante, E-03080 Alicante, Spain

Abstract: Halogenated anthraquinones can be synthesized directly from halogenated thiophenes, when these are reacted with 1,4-naphthoquinones in the presence of meta chloroperoxybenzoic acid. The halogenated anthraquinones are versatile building blocks in the preparation of arylated anthraquinones and of extended p-systems with interspersed anthraquinone units.
Keywords: n/a