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( Z )‐[6]Paracycloph‐3‐ene
Author(s) -
Tobe Yoshito,
Ueda Kenichi,
Kakiuchi Kiyomi,
Odaira Yoshinobu
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.198603691
Subject(s) - planarity testing , isomerization , ene reaction , benzene , valence (chemistry) , chemistry , ring (chemistry) , crystallography , stereochemistry , organic chemistry , catalysis
The smallest isoiable paracyclophane, the title compound 1 , was obtained by thermal valence isomerization of the Dewar benzene isomer 2 . The 1 H‐NMR and, in particular, the UV spectra indicate that the benzene ring in 1 deviates much more strongly from planarity than in [6]paracyclophane.