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Pure Appl. Chem., 2000, Vol. 72, No. 9, pp. 1757-1761

Gary A. Molander

Gary A. Molander

Roy and Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, Philadelphia, PA 19104-6323 USA

Abstract: Metallocene complexes of the Group 3 metals and lanthanides have been utilized for cyclization/silylation reactions of polyunsaturated organic substrates. Acyclic dienes, trienes, enynes, and dienynes can be selectively cyclized to provide five- and six-membered rings in high yields.