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Generation and NMR Spectroscopic Investigation of Diheteroanthracenide Ions: Stable 4nπ Systems
Author(s) -
Anastassiou A. G.,
Kasmai H. S.,
Saadein M. R.
Publication year - 1981
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.198101151
Subject(s) - ion , liquid ammonia , ring (chemistry) , ammonia , chemistry , ring current , inorganic chemistry , organic chemistry , physics , plasma , nuclear physics , magnetosphere
The anions (1a) – (1c) are new paratropic species , and were prepared from the corresponding cyclic amines using KNH 2 in liquid ammonia. The induced ring current is greatest in (5a) and smallest in (5c) .