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Synlett 1993; 1993(1): 73-74
DOI: 10.1055/s-1993-22354
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Interconversion of the Tetracyclo[6.3.0.04,11.05,9]undeca-2,6-diene and Tetracyclo-[7.2.0.04,11.06,10]undeca-2,7-diene Ring Systems

Philip E. Eaton* , Yu Chi Yip
  • *Department of Chemistry, The University of Chicago, Chicago, Illinois 60637, USA
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Publication Date:
19 March 2002 (online)

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The skeletons of tetracyclo[6.3.0.04.11.05.9]undeca-2,6-diene and tetracyclo[7.2.0.04.11.0.6.10]undeca-2,7-diene undergo Cope interconversion. In accord with calculated heats of formation, the framework favored at equilibrium depends on the angle (hybridization) at the methylene bridge.

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