4.7 Article

Surfactant-free single-nano-sized colloidal Cu nanoparticles for use as an active catalyst in Ullmann-coupling reaction

Journal

CHEMICAL COMMUNICATIONS
Volume 48, Issue 31, Pages 3784-3786

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c2cc30975k

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Funding

  1. Strategic Project
  2. Ministry of Education, Culture, Sports, Science and Technology, Japan
  3. Japan Society for the Promotion of Science (JSPS) [23360361, 21310072]
  4. Ministry of Education, Culture, Sports, Science and Technology (MEXT), Japan
  5. Japan Science and Technology Agency (JST)
  6. Grants-in-Aid for Scientific Research [23360361, 21310072] Funding Source: KAKEN

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Surfactant-free, single-nano-sized copper nanoparticles (Cu NPs) (size: about 2 nm) were prepared by the DMF reduction method. The Cu NPs showed high catalytic activity (with a turnover number (TON) of up to 2.2 X 10(4)) in Ullmann-type cross-coupling of aryl halides with phenols under ligand-free conditions.

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