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机械互锁结构是一类具有独特性质的超分子实体,不但在拓扑学上具有重要的意义,而且是制备分子机器的结构基础,它们在纳米技术、生物、材料等领域有着巨大的应用前景。本文概述了通过配位作用组装制备轮烷、索烃及其他机械互锁结构研究的新进展,着重关注以金属配位作用作为一种构建方式与主客体识别协同组装制备机械互锁结构。由于金属配位键具有易成键、动态可逆、可调控等优点,采用金属配位作用构建机械互锁结构不仅可以大大地提高制备效率,而且有利于实现对机械互锁分子的可逆调控。
Mechanical interlocking structure is a class of supramolecular entities with unique properties. They not only have important topological significance, but also form the structural basis of molecular machinery. They have great application prospects in the fields of nanotechnology, biology and materials. This paper summarizes the recent progress in the research on the preparation of interlocking structures for the production of rotaxanes, cord-drag hydrocarbons and other mechanical interlocks by coordination, focusing on the coordinated coordination between host-guest recognition and metal coordination as a construction method for the preparation of mechanical interlocking structures. Due to its advantages of easy bonding, dynamic reversibility, and adjustable controllability, metal coordination bonds can not only greatly improve the preparation efficiency but also facilitate the reversible control of mechanical interlocking molecules.