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首页> 外文期刊>Angewandte Chemie >Small-Molecule Recognition for Controlling Molecular Motion in Hydrogen-Bond-Assembled Rotaxanes
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Small-Molecule Recognition for Controlling Molecular Motion in Hydrogen-Bond-Assembled Rotaxanes

机译:控制氢键组装的轮烷中分子运动的小分子识别

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摘要

Di(acylamino)pyridines successfully template the formation of hydrogen-bonded rotaxanes through five-component clipping reactions. A solid-state study showed the participation of the pyridine nitrogen atom in the stabilization of the mechanical bond between the thread and the benzylic amide macrocycle. The addition of external complementary binders to a series of interlocked bis(2,6-di(acylamino)pyri-dines) promoted restraint of the back and forward ring motion. The original translation can be restored through a competitive recognition event by the addition of a preorganized bis(di-(acylamino)pyridine) that forms stronger ADA-DAD complexes with the external binders.
机译:二(酰基氨基)吡啶通过五组分截留反应成功地模板化了氢键结合的轮烷。一项固态研究表明,吡啶氮原子参与了线与苄基酰胺大环之间机械键的稳定化作用。将外部互补粘合剂添加到一系列互锁的双(2,6-二(酰基氨基)嘧啶-二烯)中可促进对前后环运动的抑制。可以通过竞争性认可活动来恢复原始翻译,方法是加入预组织的双(二-(酰基氨基)吡啶),该双(二-(酰基氨基)吡啶与外部粘合剂形成更强的ADA-DAD复合物。

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