4.7 Article

Ligand-free hydroboration of alkynes catalyzed by heterogeneous copper powder with high efficiency

Journal

CHEMICAL COMMUNICATIONS
Volume 50, Issue 16, Pages 2058-2060

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c3cc48670b

Keywords

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Funding

  1. State Key Project of Fundamental Research for Nanoscience and Nanotechnology [2011CB932401, 2011CBA00500]
  2. National key Basic Research Program of China [2012CB224802]
  3. Ministry of Science and Technology of China [2012CB722605]
  4. National Natural Science Foundation of China [21221062, 21172128, 21171105, 21322107, 21131004]
  5. China Postdoctoral Science Foundation [2012M520241, 2012M520010, 2013T60097]

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Regioselective hydroboration of terminal and internal alkynes is realized by using 10 mol% copper powder (0.3-1 mu m) at room temperature. 24 alkynes were efficiently converted into vinylboronates in up to 96% yield without addition of any ligand or additive.

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