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Synthesis 2013; 45(16): 2337-2342
DOI: 10.1055/s-0033-1338488
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© Georg Thieme Verlag Stuttgart · New York

Iron-Catalyzed Formation of C–Se and C–Te Bonds through Cross Coupling of Aryl Halides with Se(0) and Te(0)/Nano-Fe3O4@GO

Mohammad Zaman Kassaee*
a   Department of Chemistry, Tarbiat Modares University, P.O. Box 14155-175, Tehran, Iran   Fax: +98(21)88006544   Email: Kassaeem@Modares.ac.ir
,
Elaheh Motamedi
a   Department of Chemistry, Tarbiat Modares University, P.O. Box 14155-175, Tehran, Iran   Fax: +98(21)88006544   Email: Kassaeem@Modares.ac.ir
,
Barahman Movassagh
b   Department of Chemistry, K.N. Toosi University of Technology, P.O. Box 16315-1618, Tehran, Iran
,
Samira Poursadeghi
a   Department of Chemistry, Tarbiat Modares University, P.O. Box 14155-175, Tehran, Iran   Fax: +98(21)88006544   Email: Kassaeem@Modares.ac.ir
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Publication History

Received: 25 December 2012

Accepted after revision: 09 May 2013

Publication Date:
27 June 2013 (online)

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Abstract

The formation of C–Se and C–Te bonds is of synthetic and biological importance. Graphene oxide based nano-Fe3O4 (nano­-Fe3O4@GO) is used as a reusable catalyst for the efficient synthesis of diselenides and ditellurides, through cross coupling of Se(0) or Te(0) with aryl iodides. The magnetic heterogeneous catalyst could be easily recovered and reused many times without significant loss of catalytic activity. In addition the superiority of nano-Fe3O4@GO over pristine nano-Fe3O4 is established.

Key words

graphene oxide - cross coupling - recyclability - nano-Fe3O4 catalyst - diselenide - ditelluride

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