Transformation networks of metal-organic cages controlled by chemical stimuli.
Transformation networks of metal-organic cages controlled by chemical stimuli.
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DOI：
10.1039/d0cs00801j
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发表时间：
2022-06-20
影响因子：
46.2
通讯作者：
中科院分区：
文献类型：
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作者：
生物分子的灵活性使它们能够根据从外部环境接收的信号进行适应和转化，在不同的环境中表达不同的功能。以类似的方式，由于将它们保持在一起的金属-配体键的动态性质，配位笼可以经历刺激触发的转变。不同类型的刺激可以触发这些金属有机组装体的动态重新配置，以打开或关闭所需的功能。这种可适应的系统对于可切换催化、选择性分子识别或作为可转化材料的应用是有意义的。这篇评论强调了最近的进展，利用化学刺激改造笼子，提供了一个目录的报告策略，改造笼子，从而允许创建新的架构。首先，我们专注于通过引入新的笼组件，触发重组的初始组件集的转换策略。其次，我们总结了由外部刺激，如客人，浓度，溶剂或pH值引发的转换，突出了协调笼可以经历的适应过程。最后，描述了能够响应多种刺激的系统。这些系统构成了具有更复杂行为潜力的复合化学网络。我们的目标是提供关于如何设计转换网络的新观点，以揭示信号驱动的转换过程，导致新的功能金属有机结构的制备。这篇综述强调了用协调笼创建的转换网络。这种合成的刺激控制网络可以帮助阐明生物信号转导，以及实现新的功能和应用。
The flexibility of biomolecules enables them to adapt and transform as a result of signals received from the external environment, expressing different functions in different contexts. In similar fashion, coordination cages can undergo stimuli-triggered transformations owing to the dynamic nature of the metal–ligand bonds that hold them together. Different types of stimuli can trigger dynamic reconfiguration of these metal–organic assemblies, to switch on or off desired functionalities. Such adaptable systems are of interest for applications in switchable catalysis, selective molecular recognition or as transformable materials. This review highlights recent advances in the transformation of cages using chemical stimuli, providing a catalogue of reported strategies to transform cages and thus allow the creation of new architectures. Firstly we focus on strategies for transformation through the introduction of new cage components, which trigger reconstitution of the initial set of components. Secondly we summarize conversions triggered by external stimuli such as guests, concentration, solvent or pH, highlighting the adaptation processes that coordination cages can undergo. Finally, systems capable of responding to multiple stimuli are described. Such systems constitute composite chemical networks with the potential for more complex behaviour. We aim to offer new perspectives on how to design transformation networks, in order to shed light on signal-driven transformation processes that lead to the preparation of new functional metal–organic architectures. This review highlights transformation networks created with coordination cages. Such synthetic stimuli-controlled networks can help elucidate biological signal transduction, as well as enabling new functions and applications.
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影响因子：
4.6
作者：
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通讯作者：
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影响因子：
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作者：
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DOI：
10.1002/anie.201800490
发表时间：
2018-05-04
期刊：
Angewandte Chemie (International ed. in English)
影响因子：
--
作者：
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通讯作者：
Clever GH
影响因子：
4.1
作者：
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通讯作者：
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