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A general method for the formation of diaryl selenides using copper(I) catalysts

✍ Scribed by Rattan K Gujadhur; D Venkataraman

Book ID
104252591
Publisher
Elsevier Science
Year
2003
Tongue
French
Weight
236 KB
Volume
44
Category
Article
ISSN
0040-4039

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✦ Synopsis

We report a mild, palladium-free synthetic protocol for the cross coupling reaction of aryl iodides and phenyl selenol using 10 mol% CuI/neocuproine, NaOt-Bu or K 2 CO 3 as base, in toluene, at 110Β°C. Using this protocol, we show that a variety of diaryl selenides can be synthesized in good yields from commercially available aryl iodides.

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## Abstract La~2~O~3~ as a new and efficient recyclable catalyst in coupling various aryl halides with aromatic/alkyl thiols and diphenyl diselenide in combination with KOH as a base and DMEDA as a ligand in DMSO at 110 Β°C is reported. (Β© Wiley‐VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2