Abstract:
The configurational stability of compounds 1–4 has been confirmed by NMR spectroscopy and chiral chromatography (analytical separation of enantiomers 1 and 2); the antiaromatic (4n) destabilisation of the planar transition state of enantiomerisation is discussed.
Document Type:
Article
Language: English
Citation:
A. I. Roshchin, R. G. Kostyanovsky, “Configurationally stable axially chiral N,N’-dialkyl-2,2’-biphenylene-N,N’-ureas”, Mendeleev Commun., 13:6 (2003), 275–276
Linking options:
https://www.mathnet.ru/eng/mendc4060
https://www.mathnet.ru/eng/mendc/v13/i6/p275
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Siyun Shang, Daisy Zhang‐Negrerie, Yunfei Du, Kang Zhao, “Intramolecular Metal‐Free Oxidative Aryl–Aryl Coupling: An Unusual Hypervalent‐Iodine‐Mediated Rearrangement of 2‐Substituted N‐Phenylbenzamides”, Angewandte Chemie, 126:24 (2014), 6330
Siyun Shang, Daisy Zhang‐Negrerie, Yunfei Du, Kang Zhao, “Intramolecular Metal‐Free Oxidative Aryl–Aryl Coupling: An Unusual Hypervalent‐Iodine‐Mediated Rearrangement of 2‐Substituted N‐Phenylbenzamides”, Angew Chem Int Ed, 53:24 (2014), 6216
Alexander I. Roshchin, Remir G. Kostyanovsky, “Configurationally Stable Axially Chiral N,N′‐Dialkyl‐2,2′‐biphenylene‐N,N′‐ureas.”, ChemInform, 35:20 (2004)
P. V. Novikov, O. R. Malyshev, K. A. Lyssenko, R. G. Kostyanovsky, “Resolution and racemization of nonbenzenoid atropenantiomers”, Mendeleev Commun., 14:6 (2004), 310–312