Articles

Zirconocene complexes of unsaturated organic molecules: new vehicles for organic synthesis

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Science  24 Sep 1993:
Vol. 261, Issue 5129, pp. 1696-1701
DOI: 10.1126/science.8378769

Abstract

Transition metals are known to stabilize high-energy species and to activate otherwise unreactive ones. The zirconocene unit stabilizes highly strained alkynes and alkenes, allowing their use in selective carbon-carbon bond-forming reactions. This unit also increases the reactivity of unactivated molecules, enabling them to participate in nontraditional transformations. A general route has been developed that allows a wider variety of unsaturated fragments to participate in these reactions. The use of these zirconocene complexes in organic synthesis has led to the development of novel routes to a number of polyfunctionalized organic molecules.

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