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Synfacts 2009(12): 1338-1338  
DOI: 10.1055/s-0029-1218190
Synthesis of Materials and Unnatural Products
© Georg Thieme Verlag Stuttgart ˙ New York

Cobalt-Catalyzed [6+2] Cycloadditions with Cycloheptatriene

Contributor(s): Timothy M. Swager, David M. Chenoweth
G. Hilt*, A. Paul, C. Hengst
Philipps-Universität Marburg, Germany
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Publication History

Publication Date:
20 November 2009 (online)

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Significance

This study reports the cobalt-catalyzed [6+2] cycloaddition of cycloheptatriene with internal alkynes. Additionally, the authors found that terminal alkenes also undergo cycloaddition giving bicyclic products in excellent yield. Bicyclic ring systems provide structural definition that is very useful in supramolecular assemblies.