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Dibenzo[18]annulenes Incorporating Two Diphenylhexatriene Units
Author(s) -
Michels HeinzPeter,
Nieger Martin,
Vögtle Fritz
Publication year - 1994
Publication title -
chemische berichte
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.667
H-Index - 136
eISSN - 1099-0682
pISSN - 0009-2940
DOI - 10.1002/cber.19941270631
Subject(s) - annulene , chemistry , diphenylhexatriene , stereochemistry , computational chemistry , biochemistry , phospholipid , membrane
The [6.6]cyclophanehexaene hydrocarbon 6a and the dimethoxy[6.6]cyclophanehexaene 6b are prepared starting with the unsaturated diacid 1 . An X‐ray analysis of 6a exhibits a planar molecular skeleton. NMR and optical data prove a not fully conjugated macrocyclic π system and its division into two largely separate chromophores.
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