Journal
TETRAHEDRON LETTERS
Volume 45, Issue 2, Pages 359-362Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2003.10.163
Keywords
pi-conjugated system; annulene; CH/pi interaction; host molecule; x-ray crystal structure
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All-Z-hexabenzo[24]annulene was synthesized via a poly-cis-stilbene intermediate. The single crystal of the annulene has a chiral C-3-symmetry with a central benzene trimer substructure. Although the compound is highly flexible in solution, the C-3-symmetric structure is stabilized by three concurrent CH/pi interactions. (C) 2003 Elsevier Ltd. All rights reserved.
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