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Communication

Chem. Commun., 2009, 4569 - 4571, DOI: 10.1039/b909781c

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 and Iwao Ojima

Rapid construction of 5-7-6-5 fused tetracyclic carbocycles and heterocycles from cyclohexene-diynes and CO has been achieved in one step through a Rh(I)-catalyzed [2 + 2 + 2 + 1] cycloaddition process.

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