4.7 Article

Iron/Copper Co-Catalyzed Synthesis of Vinyl Sulfones from Sulfonyl Hydrazides and Alkyne Derivatives

Journal

JOURNAL OF ORGANIC CHEMISTRY
Volume 80, Issue 9, Pages 4697-4703

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/acs.joc.5b00558

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Funding

  1. Scientific Research Foundation for the Returned Overseas Chinese Scholars, State Education Ministry
  2. Priority Academic Program Development of Jiangsu Higher Education Institutions
  3. Key Laboratory of Organic Synthesis of Jiangsu Province
  4. PSC- CUNY from the City University of New York [67312-0045]

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A new approach to the selective synthesis of (E)-vinyl sulfones has been developed via a Fe/Cu co-catalyzed sulfonylation of arylpropiolic acid or phenylacetylene with sulfonyl hydrazides. A variety of vinyl sulfones have been obtained in moderate to good yields, comparable to the best results reported so far. The inexpensive Fe/Cu co-catalyzed method features a simple experimental procedure and good tolerance of substrate.

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