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

被引:20
作者
Bruylants, G
Bresson, C
Boisdenghien, A
Pierard, F
Kirsch-De Mesmaeker, A
Lacour, J
Bartik, K
机构
[1] Free Univ Brussels, Ecole Polytech, B-1000 Brussels, Belgium
[2] Free Univ Brussels, Serv Chim Organ & Photochim, Fac Sci, B-1000 Brussels, Belgium
[3] Univ Geneva, Dept Chim Organ, CH-1211 Geneva 4, Switzerland
关键词
D O I
10.1039/b211419d
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
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.
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页码:748 / 751
页数:4
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