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Keywords:

  • alkaloids;
  • Michael addition;
  • natural products;
  • reductive coupling;
  • total synthesis

Graphical Abstract

Thumbnail image of graphical abstract

Alkaloids all round: A 19-step total synthesis of the galbulimima alkaloid (−)-GB 13 starting from commercially available starting material and the first total synthesis of the galbulimima alkaloid (+)-GB 16 have been achieved (see scheme; Boc=tert-butoxycarbonyl).