Department of Inorganic, Analytical and Applied Chemistry, University of Geneva, 30 quai E.-Ansermet, CH-1211 Geneva 4, Switzerland.
J Am Chem Soc. 2011 Jul 20;133(28):10764-7. doi: 10.1021/ja204474v. Epub 2011 Jun 27.
The self-assembly of the first pentanuclear helicate was predicted on the structural basis obtained for linear and tetranuclear parent supramolecular compounds. Accordingly, the designed ternary supramolecular system requires appropriate polytopic organic receptors, which were successfully synthesized. Indeed, the formation of pentanuclear complexes was experimentally evidenced with NMR and ESMS spectra that perfectly reflect the expected pattern. The structural features in the europium pentanuclear complex are highlighted with semiempirical molecular modeling. The present work validates the combinatorial approach leading to the thermodynamically driven formation of tower-like pentanuclear edifices.
基于线性和四核双亲超分子化合物获得的结构基础，预测了第一个五核螺旋体的自组装。因此，设计的三元超分子体系需要合适的多齿有机受体，这些受体已成功合成。实际上，通过 NMR 和 ESMS 光谱实验证实了五核配合物的形成，这些光谱完美地反映了预期的模式。通过半经验分子建模突出了铕五核配合物的结构特征。本工作验证了组合方法，该方法导致热力学驱动的塔式五核结构的形成。
