Au(I)-Catalyzed Cyclization of Enynes Bearing an Olefinic Cycle
The Journal of Organic Chemistry2006Vol. 71(25), pp. 9366–9372
Citations Over TimeTop 10% of 2006 papers
Abstract
Gold(I)-catalyzed cyclization of enynes containing an olefinic cycle has been studied. The introduction of an olefinic ring instead of a terminal alkene in enynes dramatically increased the yield of the reaction. Enynes having an olefinic cycle were prepared by a rhodium-catalyzed intermolecular [4 + 2] cycloaddition of diynes with butadiene. Consecutive rhodium-catalyzed Diels-Alder/gold(I)-catalyzed cycloisomerization reactions were integrated in a one-pot reaction.
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