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Keywords:

  • alkynes;
  • antibiotics;
  • heterocycles;
  • natural products;
  • platinum
Thumbnail image of graphical abstract

Fighting back: A concise route to the pterocarpene derivative erypoegin H, a natural product endowed with considerable activity against a range of methicillin-resistant Staphyllococcus aureus strains and vancomycin-resistant enterococci, has been developed. The key step in the synthesis is a PtCl2-catalyzed carboalkoxylation reaction of an alkyne (see retrosynthesis; Piv=pivaloyl).