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The Question of Bicycloconjugation in Naphtho‐Fused 9‐Heterobicyclo[4.2.1]nona‐2,4,7‐trienes as Examined by 13 C‐NMR Spectroscopy
Author(s) -
Anastassiou A. G.,
Kasmai H. S.,
Badri R.
Publication year - 1980
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.198006391
Subject(s) - spectroscopy , nuclear magnetic resonance spectroscopy , chemistry , physics , materials science , stereochemistry , quantum mechanics
Fundamental differences with regard to bicycloconjugation exist between the structurally related systems (1) and (2) , X = NH. (1) is bicycloconjugated, whereas (2) is not, entirely in keeping with theoretical predictions.