DOSY NMR experiments as a tool for the analysis of constitutional and motional dynamic processes: Implementation for the driven evolution of dynamic combinatorial libraries of helical strands

被引：88

作者：

Giuseppone, Nicolas ^{[1
]}

Schmitt, Jean-Louis ^{[1
]}

Allouche, Lionel ^{[2
]}

Lehn, Jean-Marie ^{[1
]}

机构：

[1] Univ Strasbourg, Inst Sci & Ingn Supramol, F-67083 Strasbourg, France

[2] Univ Strasbourg, Serv RMN, Inst Chim, F-67000 Strasbourg, France

来源：

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2008年 / 47卷 / 12期

关键词：

diffusion NMR spectroscopy; dynamic combinatorial chemistry; molecular evolution; molecular helices; self-assembly;

D O I：

10.1002/anie.200703168

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

(Figure Presented) Diffusion ordered spectroscopy (DOSY) NMR experiments have been used to characterize a dynamic combinatorial library of helical strands and grid-type metallosupramolecular architectures. The technique allows the deconvolution of very similar chemical structures differing only by their hydrodynamic radius. Moreover, the occurrence of springlike, extension-contraction conformational motions in helical strands can be revealed as a function of the temperature. © 2008 Wiley-VCH Verlag GmbH & Co. KGaA.

引用

页码：2235 / 2239

页数：5

共 40 条

[31] Soft-to-hard transformation of the mechanical properties of dynamic covalent polymers through component incorporation [J].