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Keywords:

  • cascade chemistry;
  • diversity-oriented synthesis;
  • metathesis;
  • molecular scaffolds;
  • natural products

Graphical Abstract

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Seeking scaffold diversity: A synthetic approach for the combinatorial variation of the scaffolds of small molecules is described. Using just six basic reaction types, compounds with 84 distinct scaffolds were prepared. The compounds had many natural-product-like structural features including rich stereochemistry, heterocyclic and unsaturated ring systems, and dense functionalization.