A highly efficient heterogeneous copper-catalyzed Chan–Lam coupling reaction of sulfonyl azides with arylboronic acids leading to N-arylsulfonamides

A heterogeneous Chan–Lam coupling reaction between sulfonyl azides and arylboronic acids was achieved in MeOH at room temperature in the presence of 10 mol% of an l -proline-functionalized MCM-41-immobilized copper( i ) complex [MCM-41– l -proline–CuCl] under air, yielding a variety of N -arylsulfon...

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Bibliographic Details
Published in:RSC advances 2016, Vol.6 (49), p.43605-43612
Main Authors: You, Chongren, Yao, Fang, Yan, Tao, Cai, Mingzhong
Format: Article
Language:English
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Summary:A heterogeneous Chan–Lam coupling reaction between sulfonyl azides and arylboronic acids was achieved in MeOH at room temperature in the presence of 10 mol% of an l -proline-functionalized MCM-41-immobilized copper( i ) complex [MCM-41– l -proline–CuCl] under air, yielding a variety of N -arylsulfonamides in excellent yields. The new heterogeneous copper complex can be prepared from commercially readily available and inexpensive reagents, and recovered by simple filtration of the reaction solution and recycled at least 8 times without any decreases in activity.
ISSN:2046-2069
2046-2069
DOI:10.1039/C6RA04298H