Journal
ORGANIC LETTERS
Volume 4, Issue 26, Pages 4719-4721Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ol0271887
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[GRAPHICS] The palladium-catalyzed coupling of aryl iodides and arenesulfinates provides a simple and extremely efficient new route to unsymmetrical diaryl sulfones, usually isolated in high yield. The reaction tolerates a variety of functionalized aryl iodides, including those containing ether, ester, and nitro groups. The best results have been obtained by using Pd-2(dba)(3), Xantphos, Cs2CO3, and (Bu4NCl)-Bu-n in toluene at 80degreesC.
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