Chemistry Letters

Visible Light-mediated Direct Arylation of Arenes and Heteroarenes Using Diaryliodonium Salts in the Presence and Absence of a Photocatalyst

M Tobisu, T Furukawa, N Chatani

Index: Tobisu, Mamoru; Furukawa, Takayuki; Chatani, Naoto Chemistry Letters, 2013 , vol. 42, # 10 p. 1203 - 1205

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Citation Number: 23

Abstract

Diaryliodonium salts have been used as aryl radical sources under visible light-mediated photoredox catalysis. Benzene and a range of heteroarenes are arylated with Ar 2 I+ in the presence of [Ir (ppy) 2 (bpy)] PF 6 upon irradiation with visible light. When pyrroles are used, the arylation proceeds in the absence of a photoredox catalyst. Both processes are initiated by photoinduced single-electron-transfer to Ar 2 I+, generating aryl radicals.

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