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Synthetic strategies towards mechanically interlocked oligomers and polymers.
Organic & Biomolecular Chemistry ( IF 3.2 ) Pub Date : 2020-08-25 , DOI: 10.1039/d0ob01583k Nadia Hoyas Pérez 1 , James E M Lewis
Organic & Biomolecular Chemistry ( IF 3.2 ) Pub Date : 2020-08-25 , DOI: 10.1039/d0ob01583k Nadia Hoyas Pérez 1 , James E M Lewis
Affiliation
Mechanically interlocked molecules have fascinated chemists for decades. Initially a tantalising synthetic challenge, interlocked molecules have continued to capture the imagination for their aesthetics and, increasingly, for their potential as molecular machines and use in materials applications. Whilst preliminary statistical attempts to prepare these molecules were exceedingly inefficient, a raft of template-directed strategies have now been realised, providing a vast toolbox from which chemists can access interlocked structures in excellent yields. For many envisaged applications it is desirable to move away from small, discrete interlocked molecules and turn to oligomers and polymers instead, either due to the need for multiple mechanical bonds within the desired material, or to exploit an extended scaffold for the organisation and arrangement of individual mechanically interlocked units. In this tutorial-style review we outline the synthetic strategies that have been employed for the synthesis of mechanically interlocked oligomers and polymers, including oligo-/polymerisation of (pseudo)interlocked precursors, metal–organic self-assembly, the use of orthogonal template motifs, iterative approaches and grafting onto polymer backbones.
中文翻译:
机械联锁低聚物和聚合物的合成策略。
几十年来,机械联锁的分子一直让化学家着迷。最初是一个诱人的合成挑战,互锁分子继续因其美学而吸引人们的想象力,并且越来越多地因其作为分子机器和在材料应用中的使用潜力而受到关注。虽然制备这些分子的初步统计尝试效率极低,但现在已经实现了大量的模板导向策略,提供了一个巨大的工具箱,化学家可以从中获得高产率的互锁结构。对于许多设想的应用,希望从小的、离散的互锁分子转向低聚物和聚合物,因为在所需材料中需要多个机械键,或利用扩展的脚手架来组织和布置单个机械联锁单元。在本教程式的回顾中,我们概述了用于合成机械联锁低聚物和聚合物的合成策略,包括(假)联锁前体的低聚/聚合、金属-有机自组装、正交模板基序的使用,迭代方法和接枝到聚合物骨架上。
更新日期:2020-09-16
中文翻译:
机械联锁低聚物和聚合物的合成策略。
几十年来,机械联锁的分子一直让化学家着迷。最初是一个诱人的合成挑战,互锁分子继续因其美学而吸引人们的想象力,并且越来越多地因其作为分子机器和在材料应用中的使用潜力而受到关注。虽然制备这些分子的初步统计尝试效率极低,但现在已经实现了大量的模板导向策略,提供了一个巨大的工具箱,化学家可以从中获得高产率的互锁结构。对于许多设想的应用,希望从小的、离散的互锁分子转向低聚物和聚合物,因为在所需材料中需要多个机械键,或利用扩展的脚手架来组织和布置单个机械联锁单元。在本教程式的回顾中,我们概述了用于合成机械联锁低聚物和聚合物的合成策略,包括(假)联锁前体的低聚/聚合、金属-有机自组装、正交模板基序的使用,迭代方法和接枝到聚合物骨架上。