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A Highly Efficient, Ligand-Free, and Recyclable Cu2S-Catalyzed Coupling of Aryl Iodides with Diaryl Disulfides

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Indexed by:期刊论文

Date of Publication:2010-04-01

Journal:EUROPEAN JOURNAL OF ORGANIC CHEMISTRY

Included Journals:SCIE

Issue:12

Page Number:2324-2329

ISSN No.:1434-193X

Key Words:Copper; Cross-coupling; Sulfur; Sustainable chemistry; Heterogeneous catalysis

Abstract:A highly efficient and ligand-free copper(I) sulfide catalyzed cross-coupling reaction of aryl iodides with diaryl disulfides was developed. With only 1 mol-% of Cu2S as the catalyst, iron powder as the reductant, and K2CO3 as the base, aryl iodides reacted with disulfides in DMSO at 90-110 degrees C for 18 24 h under an atmosphere of argon to give the corresponding aryl sulfides in good to excellent yields. In addition, the catalyst is recyclable and reusable with some loss of activity.

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