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Diastereoselective Homochiral Self-Assembling Between Anions and Cation in Solution

Maury, Olivier
Le Bozec, Hubert
Published in European Journal of Inorganic Chemistry. 2001, no. 1, p. 201-204
Abstract Diastereoselective homochiral self-assembly occurs in solution by mixing the propeller-like racemic tris(DEAS-bpy) ruthenium(II) cation B [DEAS-bpy = 4,4'-bis(diethylamino[TRISPHAT = tris(tetrachlorobenzenediolato)phosphate(V)]. This phenomenon is clearly shown by 1H NMR spectroscopic studies which reveal: (i) the existence of a rapid equilibrium between their homochiral and heterochiral associations, (ii) at room temperature, the preferential formation of the homochiral ion pairs with a ratio homochiral/heterochiral = 72:28, and (iii) at 243 K, the almost pure homochiral associations (B?,A?2) and (B?,A?2).
Keywords Chiral recognitionNMR spectroscopyRutheniumSelf-assemblySupramolecular chemistry
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MAURY, Olivier, LACOUR, Jérôme, LE BOZEC, Hubert. Diastereoselective Homochiral Self-Assembling Between Anions and Cation in Solution. In: European Journal of Inorganic Chemistry, 2001, n° 1, p. 201-204. doi: 10.1002/1099-0682(20011)2001:1<201::AID-EJIC201>3.0.CO;2-9 https://archive-ouverte.unige.ch/unige:7918

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Deposited on : 2010-06-21

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