4.6 Article

Copper(I)-catalyzed homo-coupling of terminal alkynes at room temperature under solvent and base free conditions using O2 as an oxidant

Journal

RSC ADVANCES
Volume 4, Issue 4, Pages 1849-1852

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c3ra43873b

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Funding

  1. National Natural Science Foundation of China [21202048]
  2. Program for Minjiang Scholar [10BS216]
  3. Science Research Item of Science and Technology of Xiamen City [3502z201014]
  4. Natural Science Foundation of Fujian Province, China [2013J01050]

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The homo-coupling of various terminal alkynes were realized in the presence of 0.5 mol% CuI and 5 mol% benzylamine. This transformation proceeded at room temperature under solvent and base free conditions using O-2 as an oxidant. The TON was up to 1760.

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