4.7 Article

Copper-catalyzed sulfonamides formation from sodium sulfinates and amines

Journal

CHEMICAL COMMUNICATIONS
Volume 49, Issue 54, Pages 6102-6104

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c3cc41249k

Keywords

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Funding

  1. National Natural Science Foundation of China [21172076, 20932002]
  2. National Basic Research Program of China (973 Program) [2011CB808600]
  3. Changjiang Scholars and Innovation Team Project of Ministry of Education
  4. Guangdong Natural Science Foundation [10351064101000000]
  5. China Postdoctoral Science Foundation [2011M501318]
  6. Fundamental Research Funds for the Central Universities [2012ZP0003]

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A new and convenient method for the construction of sulfonamides via a copper-catalyzed oxidative coupling between sodium sulfinates and amines with 1 atm O-2 or DMSO as the oxidant was described. This method provides efficient and robust synthesis of functional sulfonamides in good yields and excellent chemoselectivity. And detailed mechanistic studies showed that this transformation may go through a single electron transfer (SET) pathway.

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