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Cycloheptadiene Ring Synthesis by Tandem Intermolecular Enyne Metathesis

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journal contribution
posted on 26.08.2003, 00:00 by Amol A. Kulkarni, Steven T. Diver
The tandem intermolecular enyne metathesis between 1-alkynes and cyclopentene is reported, providing 2-substituted 1,3-cycloheptadienes. The success of the intermolecular reaction hinges on an appropriate balance between cycloalkene ring strain and reactivity of the alkyne.