The First Demonstration of Molecular Queuing in Pseudo[n]polyrotaxanes: A Novel Variant of Supramolecular Motion

The First Demonstration of Molecular Queuing in Pseudo[n]polyrotaxanes: A Novel Variant of Supramolecular Motion
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准聚轮烷中分子排队的首次演示:超分子运动的一种新变体

DOI:
10.1002/anie.199622381
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发表时间:
1996
期刊:
影响因子:
--
通讯作者:
M. Tolley
M. Tolley
中科院分区:
--
文献类型:
--
作者:
P. Mason;I. W. Parsons;M. Tolley

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在 Wenz、Harada、Gibson 和 Stoddart 等人的开创性工作之后,伪 [n] 聚轮烷和较小程度上的聚 [n] 轮烷现在已成为超分子场景的公认特征。[*] 伪 [n] 聚轮烷预期的一个特别特征(图 I),因为通常环组分不能沿着线程相互传递,因此环的运动受到以下限制:当它们沿着中心线程移动并最终逃入解决方案时排队。在这里,我们报告了超分子化学中第一个明确确定的此类运动的例子。
Pseudo [n] polyrotaxanes and to a lesser extent poly [n] rotaxanes are now well-established features of the supramolecular scene, following pioneering work by, inter aha, the groups of Wenz, Harada, Gibson, and Stoddart.[*] A particularly characteristic feature expected for pseudo [n] polyrotaxanes (Fig. I), since generally the ring components cannot pass each other along the thread, is that the movement of rings is restricted by queuing as they shuffle along the central thread and eventually escape into solution. Here we report the first unequivocally identified example of such motion in supramolecular chemistry.