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9b‐Methyl‐9b H ‐benzo[ cd ]azulene—A Novel Antiaromatic 12π‐Electron System
Author(s) -
Hafner Klaus,
Kühn Volker
Publication year - 1986
Publication title -
angewandte chemie international edition in english
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 0570-0833
DOI - 10.1002/anie.198606321
Subject(s) - antiaromaticity , azulene , annulene , derivative (finance) , chemistry , hydrocarbon , stereochemistry , computational chemistry , photochemistry , aromaticity , organic chemistry , molecule , financial economics , economics
The first tricyclic [12]annulene with an unsubstituted perimeter, namely the blue hydrocarbon 2 , could be prepared from the azulene derivative 1 . Compound 2 proved to be an antiaromatic 12π‐electron system par excellence.