Circular dichroism of a chiral tethered donor-acceptor system: Enhanced anisotropy factors in charge-transfer transitions by dimer formation and by confinement

被引：30
作者：
Mori, T
Inoue, Y
机构：
[1] Osaka Univ, Dept Mol Chem, Grad Sch Engn, Suita, Osaka 5650871, Japan
[2] JST, ICORP, Entropy Control Project, Toyonaka 5600085, Japan
来源：
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2005年 / 44卷 / 17期
关键词：
anisotropy; charge transfer; circular dichroism; cyclodextrins; donor-acceptor systems;
D O I：
10.1002/anie.200462071
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
(Chemical Equation Presented) At the end of its tether: A charge-transfer (CT) dyad with a trimethylene tether forms a folded or extended monomer or a dimer depending on the conditions (see picture). Both dimer formation at low temperatures and monomer confinement by inclusion in a cyclodextrin cavity greatly enhance the anisotropy (g) factor of the CT transition of the complex. © 2005 Wiley-VCH Verlag GmbH & Co. KGaA.
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页码：2582 / 2585
页数：4
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