Y. F. Tang, L. J. Deng, Y. D. Zhang, G. B. Dong, J. H. Chen*, Z. Yang*
Org. Lett. 2005, 7, 593.
Pauson−Khand type of conversion of enynes to bicyclic cyclopentenones employing the commercially available Co2(CO)8 and tetramethylthiourea (TMTU) as catalysts is described. This method allows a variety of enynes with diverse functional groups to be cyclized into cyclopentenones of interest.
*This publication was highlighted on http://www.organic-chemistry.org/Highlights/2005/12December.shtm
