Enantiospecific synthesis of Λ and Λ [Ru(bPY)2ppy]+ and [Ru(bPY)2quo]+ (bpy=2,2′-bipyridine, ppy = phenylpyridine-H+, quo=8-hydroxyquinolate):: 1H and 13C NMR studies and X-ray structure determination of rac-[Ru(bpy)2quo]PF6

被引:38
作者
Brissard, M
Convert, O
Gruselle, M
Guyard-Duhayon, C
Thouvenot, R
机构
[1] Univ Paris 06, CNRS, UMR 7071, Lab Chim Inorgan & Mat Mol, F-75252 Paris 05, France
[2] Univ Paris 06, CNRS, UMR 7613, Lab Chim Struct Organ & Biol, F-75252 Paris, France
关键词
D O I
10.1021/ic026121c
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
In this paper, we describe the enantiospecific synthesis and the complete characterization of the two hexacoordinated ruthenium(II) monocations [Ru(bpy)(2)ppy](+) and [Ru(bpy)(2)quo](+) (bpy = 2,2'-bipyridine, ppy = phenylpyridine-H+, quo = 8-hydroxyquinolate) in their enantiomeric Delta and Delta forms. The corresponding enantiomeric excesses (ee's) are determined by H-1 NMR using pure Delta-Trisphat (tris(tetrachlorobenzenedialato)phosphate(V) anion) as a chiral H-1 NMR shift reagent. A complete H-1 and C-13 NMR study has been carried out on rac-[Ru(bPY)(2)ppy]PF6 and rac-[Ru(bpy)(2)quo]PF6. Additionally, the X-ray molecular structure of rac-[Ru(bpy)(2)quo]PF6 is reported; this latter species crystallizes in the monoclinic C2/c space group (a = 22.079 Angstrom, b = 16.874 Angstrom, c = 17.533 Angstrom, (alpha = 90degrees, beta = 109.08degrees, gamma = 90degrees).
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页码:1378 / 1385
页数:8
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