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Keywords:

  • cascade reactions;
  • cyclization;
  • platinum;
  • regioselectivity;
  • transition metal catalysts

Abstract

A platinum-catalyzed cascade heterocyclization and formal [3+2] cycloaddition reaction of 2-(1-alkynyl)-3-aryl-2-propenals and arylethenes has been developed. This cyclization reaction shows excellent regioselectivity to obtain highly substituted 4H-cyclopenta[b]furans in moderate to excellent yields.