4.8 Article

A Copper-Catalyzed Three-Component Reaction of Triethoxysilanes, Sulfur Dioxide, and Hydrazines

Journal

ORGANIC LETTERS
Volume 16, Issue 15, Pages 4056-4058

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/ol5018849

Keywords

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Funding

  1. National Natural Science Foundation of China [21302236]
  2. Fundamental Research Funds for the Central Universities [CDJRC11220001, CQDXWL-2013-023]
  3. Scientific Research Foundation for the Returned Overseas Chinese Scholars, State Education Ministry [[2013]693]

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A three-component reaction of triethoxysilanes, sulfur dioxide, and hydrazines catalyzed by copper(II) acetate is reported, leading to N-aminosulfonamides in good yields. Not only triethoxy(aryl)silanes but also triethoxy(alkyl)silanes are compatible during the process of insertion of sulfur dioxide. Additionally, diethoxydiarylsilanes are suitable under the conditions as well.

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