4.4 Article

C-S Bond Alkynylation of Diaryl Sulfoxides with Terminal Alkynes by Means of a Palladium-NHC Catalyst

Journal

SYNLETT
Volume 28, Issue 19, Pages 2561-2564

Publisher

GEORG THIEME VERLAG KG
DOI: 10.1055/s-0036-1591676

Keywords

C-S bond alkynylation; palladium catalyst; aryl sulfoxide; alkyne

Funding

  1. JSPS KAKENHI [JP16H01019, JP16H04109, JP16H06887]
  2. JST ACT-C Grant, Japan [JPMJCR12ZE]
  3. Japan Association for Chemical Innovation
  4. Tokuyama Science Foundation
  5. Naito Foundation
  6. Grants-in-Aid for Scientific Research [16H06887, 16H01019] Funding Source: KAKEN

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Sonogashira-Hagihara-type alkynylation of diaryl sulfoxides with unactivated terminal alkynes has been developed. With a combination of a palladium-NHC catalyst and LiOtBu as a base, a series of diaryl sulfoxides were converted into the alkynylated products via C-S bond cleavage.

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