Pure Appl. Chem., 2000, Vol. 72, No. 9, pp. 1757-1761
http://dx.doi.org/10.1351/pac200072091757
Gary A. Molander
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.