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Comparison of the NMR enantiodifferentiation of a chiral ruthenium(II) complex of C2 symmetry using the TRISPHAT anion and a lanthanide shift reagent

par Bruylants, Gilles ;Bresson, Carole ;Boisdenghien, Arnaud ;Pierard, Frédéric ;Kirsch-De Mesmaeker, Andrée ;Lacour, Jérome;Bartik, Kristin
Référence New journal of chemistry, 27, 4, page (748-751)
Publication Publié, 2003

Article révisé par les pairs

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Résumé :

The tris[tetrachlorobenzenediolato]phosphate(v) anion (TRISPHAT) is known to be an efficient NMR chiral shift agent for various chiral cationic species. Here we compare the efficiency of TRISPHAT and of a chiral lanthanide shift reagent for the determination of the enantiomeric purity of the chiral building block [Ru(phen)[2]PY[2]][2][+] which possesses C[2] symmetry. We also discuss our results in terms of the geometry of interaction between the Ru(II) complex and the TRISPHAT anion.