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Metal-Free Oxidative Coupling Reactions via σ-Iodonium Intermediates: The Efficient Synthesis of Bithiophenes Using Hypervalent Iodine Reagents

✍ Scribed by Koji Morimoto; Tomofumi Nakae; Nobutaka Yamaoka; Toshifumi Dohi; Yasuyuki Kita

Publisher
John Wiley and Sons
Year
2011
Tongue
English
Weight
332 KB
Volume
2011
Category
Article
ISSN
1434-193X

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✦ Synopsis

Abstract

The direct oxidative biaryl coupling reaction is an attractive tool for environmentally benign green chemistry. A novel direct method for the synthesis of bithiophene using a hypervalent iodine reagent has been developed. The reaction mechanism has also been investigated, casting light on the reaction intermediate and revealing the reactivity with iodonium salts.

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