Preparative Organic Chemistry
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ChemInform Abstract: Zirconium-Mediated Cyclization Reactions of 2-Butenylstyrenes and Related Dienes, Enynes, and Diynes.
First published: April 16, 1996
Abstract
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ChemInform Abstract
The Zr-mediated cyclization of the dienes, enynes, and the diyne (VII) results in effective formation of the (3.3.0)bicyclic systems shown respectively. In the case of the starting ethers, by-product (IV) is obtained in considerable amounts.
