4.8 Article

Ligand-Enabled Alkynylation of C(sp3)-H Bonds with Palladium(II) Catalysts

Journal

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 56, Issue 7, Pages 1873-1876

Publisher

WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201610426

Keywords

alkynylation; amino acids; C-H activation; palladium; pyridine

Funding

  1. Scripps Research Institute
  2. NIH (NIGMS) [2R01 GM084019]
  3. Young Teacher Abroad Training Program of Sichuan University

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The palladium(II)-catalyzed beta-and-alkynylation of amide C(sp(3))-H bonds is enabled by pyridine-based ligands. This alkynylation reaction is compatible with substrates containing alpha-tertiary or alpha-quaternary carbon centers. The beta-methylene C(sp(3))-H bonds of various carbocyclic rings were also successfully alkynylated.

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