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Synfacts 2006(4): 0337-0337  
DOI: 10.1055/s-2006-932061
Synthesis of Materials and Unnatural Products
© Georg Thieme Verlag Stuttgart · New York

Intramolecular π-Dimerization in a Diradical

Contributor(s): Timothy M. Swager, Trisha L. Andrew
B. D. Koivisto, A. S. Ichimura*, R. McDonald, M. T. Lemaire, L. K. Thompson, R. G. Hicks*
University of Victoria, University of Alberta and Memorial University of Newfoundland, Canada; San Francisco State University, USA
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Publication History

Publication Date:
24 March 2006 (online)

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Significance

The ferrocene-tethered verdazyl diradical 1 is found to form an intramolecular π-dimer in the solid state as seen in an X-ray crystal structure. The two verdazyl rings of 1 are nearly eclipsed over and drawn-in toward one another, consistent with the formation of an intramolecular π-dimer. Compound 1 is the first reported π-dimer of a verdazyl radical.