One-step formation of fused tetracyclic skeletons from cyclohexene-diynes and carbon monoxide through Rh(i)-catalyzed [2 + 2 + 2 + 1] cycloaddition reaction

Joseph J. Kaloko, Yu-Han Gary Teng, Iwao Ojima
  • Chemical Communications, January 2009, Royal Society of Chemistry
  • DOI: 10.1039/b909781c