Assessing guest selectivity within metallacrown host compartments

被引：34
|
作者：
Lim, Choong-Sun
Van Noord, Annabel Cutland
Kampf, Jeff W.
Pecoraro, Vincent L. [1 ]
机构：
[1] Univ Michigan, Dept Chem, Ann Arbor, MI 48109 USA
[2] Univ Michigan, Div Biophys Res, Ann Arbor, MI 48109 USA
来源：
EUROPEAN JOURNAL OF INORGANIC CHEMISTRY | 2007年 / 10期
关键词：
molecular compartment; metallacrown; selective recognition; host-guest chemistry;
D O I：
10.1002/ejic.200700054
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
15-MC-5 complexes associate in the solid state to form chiral compartments capable of binding guests. Using small molecular yardsticks, we are able to assess the size restrictions of these structures. Dicarboxylate guests that are too short to span the Gd-III ions are stabilized by solvates that hydrogen bond to the uncoordinated carboxylate, while guests that are too long destroy the weakly associated structure. We also demonstrate that all that is required for guest encapsulation is unsaturation of the chain connection carboxylates rather than necessitating the presence of aromaticity. (c) Wiley-VCH Verlag GmbH & Co. KGaA.
引用
收藏
页码：1347 / 1350
页数：4
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