4.8 Article

Cu2O acting as a robust catalyst in CuAAC reactions: water is the required medium

Journal

GREEN CHEMISTRY
Volume 13, Issue 3, Pages 562-565

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c0gc00848f

Keywords

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Funding

  1. NSFC [20902010]
  2. State Key Laboratory of Bio-organic and Natural Products Chemistry, Key Laboratory of Natural Resources of Changbai Mountain & Functional Molecules (Yanbian University)
  3. Jilin Provincial Natural Science Foundation [20101537]
  4. Young Scientific Research Foundation of Jilin Province [20090138]
  5. Science Foundation for Young Teachers of Northeast Normal University [09QNJJ013]

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Cu2O as the catalyst in water was found to be quite robust for the azide-alkyne cycloaddition (AAC) reaction, which was verified by a wide variety of applicable azides and alkynes. Water was proved to play an essential role because of a significant rate acceleration compared with reactions using organic solvents and conducted under neat conditions. The high catalytic performance of Cu2O/H2O system was further argued by decreasing the catalyst loading to ppm levels.

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