Noncovalent Isotope Effect for Guest Encapsulation in Self-Assembled Molecular Capsules

被引：39
|
作者：
Haino, Takeharu [1 ]
Fukuta, Katsunori [1 ]
Iwamoto, Hajime [1 ]
Iwata, Suehiro [2 ,3 ,4 ]
机构：
[1] Hiroshima Univ, Grad Sch Sci, Dept Chem, Higashihiroshima 7398526, Japan
[2] Hiroshima Univ, Ctr Quantum Life Sci, Higashihiroshima 7398526, Japan
[3] Hiroshima Univ, Grad Sch, Higashihiroshima 7398526, Japan
[4] Toyota Phys & Chem Res Inst Nagakute, Aichi 4801192, Japan
来源：
CHEMISTRY-A EUROPEAN JOURNAL | 2009年 / 15卷 / 48期
关键词：
isotope effects; methyl internal rotation; molecular recognition; self-assembly; van't Hoff plots; PROBE; COMPLEXATION; BONDS;
D O I：
10.1002/chem.200902526
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
"Chemical Equation Presented" Deuteration leads to stronger binding: Deuterated guests bind within the confined space of the molecular capsule more preferentially than protiated guests (see scheme). The van 't Hoff analysis of the competitive association reveals that the preferential binding of the deuterated guests is driven by enthalpy and opposed by entropy. © 2009 Wiley-VCH Verlag GmbH & Co. KGaA.
引用
收藏
页码：13286 / 13290
页数：5
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