Excited states of methano-bridged [10]-, [14]-, and [18]annulenes. Evidence for strong transannular interaction, and relation to homoaromaticity

URN to cite this document:: urn:nbn:de:bvb:355-epub-54945
DOI to cite this document:: 10.5283/epub.5494

Dewey, Harry J. ; Deger, Hans ; Froelich, Wolfgang ; Dick, Bernhard ; Klingensmith, Kenneth A. ; Hohlneicher, Georg ; Vogel, Emanuel ; Michl, Josef

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Date of publication of this fulltext: 05 Aug 2009 13:50

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Abstract

Measurements of the absorption, polarized fluorescence, and MCD of 1,6-methano[10]annulene, 1,6:8,13-bismethano[14]annulene, and 1,6:8,17:10,15-trismethano[18]annulene along with the semiempirical p-electron and AVE calcns. on these and related annulenes are reported. The transannular interaction in the methano-bridged annulenes is strong, and these homoarom. mols. can be viewed as examples of ...