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
2009 Chemical Communications  
doi:10.1039/b909781c pmid:19617986 fatcat:mfn45sxig5b5nkelc6bvqynz54