Copper-catalysed N-arylation of arylsulfonamides with aryl bromides and aryl iodides using KF/Al2O3

R Hosseinzadeh, M Tajbakhsh, M Mohadjerani…

Index: Hosseinzadeh, Rahman; Tajbakhsh, Mahmood; Mohadjerani, Maryam; Alikarami, Mohammad Journal of Chemical Sciences, 2010 , vol. 122, # 2 p. 143 - 148

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Citation Number: 11

Abstract

Abstract An efficient synthesis of N-arylsulfonamides with a variety of aryl bromides, aryl iodides and heteroaryl bromides using KF/Al 2 O 3 as a suitable base, CuI as an inexpensive catalyst and N, N′-dimethylethylenediamine (N, N′-DMEDA) as an effective ligand is described.

70-55-3

4-Toluenesulfonamide

~98%

~41%

~75%

~91%

~85%

~66%

~85%

~15%

~90%

~92%

~85%

~86%

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