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ring systems to be aromatic and close to planar. Due to a balance between angle strain (~20°) and aromaticity, a planar conformation and distorted conformation are very close in energy and the two are observable as an equilibrium mixture in the solution phase in acetone. Furthermore, the presence
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Chiang, Chian C.; Paul, Iain C.; Anastassiou, A. G.; Eachus, S. W. (1974). "Molecular structure of an N-substituted azonine. Demonstration of polyenic character in a member of this class of compounds".
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at one position. A variety of derivatives have been synthesised. It is considered to possess a considerable amount of aromatic stability. It and C
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Somers, K. R. F.; Kryachko, E. S.; Ceulemans, A. (2004). "Azonine, a "Nearly" Forgotten
Aromatic Molecule".
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339:See also
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61:-Azonine
17:Azonine
397:Bibcode
365:Oxonine
350:Pyrrole
345:Azepine
308:Azonine
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