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syn ‐1,6‐Imino‐8,13‐methano[14]annulene
Author(s) -
Vogel Emanuel,
Brocker Ulrich,
Junglas Heinz
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.198010151
Subject(s) - annulene , chemical shift , character (mathematics) , proton , chemistry , proton nmr , stereochemistry , computational chemistry , physics , mathematics , nuclear physics , geometry
The expected aromatic character is indeed found in the title compound (1) now synthesized for the first time. The 90 MHz 1 H‐NMR spectrum shows the NH proton to be exo oriented. The chemical shifts of the CH 2 protons differ by 3.6 ppm.