Copper-Catalyzed Chan-Lam Coupling between Sulfonyl Azides and Boronic Acids at Room Temperature
Soo-Yeon Moon, Jungsoo Nam, Kris Rathwell and Won-Suk Kim*
*Department of Chemistry and Nano Science, Ewha Womans University, Global Top 5 Program, Seoul 120-750, Korea, Email: wonsukkewha.ac.kr
S.-Y. Moon, J. Nam, K. Rathwell, W.-S. Kim, Org. Lett., 2014, 16, 338-339.
A mild and efficient method for the synthesis of N-arylsulfonamides in the presence of CuCl as catalyst proceeds readily at room temperature in an open flask using a variety of sulfonyl azides and boronic acids without any base, ligand, or additive.
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Chan-Lam Coupling, Sulfonamides, Toluenesulfonamides