Light-Triggered Click Chemistry.

Light-Triggered Click Chemistry.
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光触发点击化学。

DOI:
10.1021/acs.chemrev.0c00799
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发表时间:
2021-06-23
期刊:
影响因子:
62.1
通讯作者:
Lin Q
Lin Q
中科院分区:
化学1区
文献类型:
--
作者:
Kumar GS;Lin Q

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点击化学与离散光化学过程的合并导致了一类新的点击反应的产生,统称为光点击化学。这些光引发的点击反应允许在温和的条件下以快速和精确的方式合成不同的有机结构。由于光提供了无与伦比的时空控制的反应中间体的产生,photoclick化学已成为一个不可或缺的工具,为广泛的空间寻址的应用,包括表面功能化,聚合物共轭和交联,和生物分子标记在天然细胞环境。在过去的十年中,越来越多的光点击反应已经被开发出来,特别是那些基于1,3-偶极环加成和Diels-Alder反应,由于其优异的反应动力学,选择性和生物相容性。本文综述了近年来光点击反应的发展及其在化学生物学和材料科学中的应用。一个特别强调的是放在历史背景和机械的见解,每一个选定的反应。这里提出的深入讨论应该刺激该领域的进一步发展,包括新的光活化模式的设计,λ-正交串联photoclick化学的不断扩展,以及这些独特工具在生物缀合和纳米材料合成中的创新应用。
The merging of click chemistry with discrete photochemical processes has led to the creation of a new class of click reactions, collectively known as photoclick chemistry. These light-triggered click reactions allow the synthesis of diverse organic structures in a rapid and precise manner under mild conditions. Because light offers unparalleled spatiotemporal control over the generation of the reactive intermediates, photoclick chemistry has become an indispensable tool for a wide range of spatially-addressable applications, including surface functionalization, polymer conjugation and crosslinking, and biomolecular labeling in the native cellular environment. Over the last decade, a growing number of photoclick reactions have been developed, especially those based on the 1,3-dipolar cycloadditions and Diels-Alder reactions owing to their excellent reaction kinetics, selectivity and biocompatibility. This review summarizes the recent advances in the development of photoclick reactions and their applications in chemical biology and materials science. A particular emphasis is placed on the historical contexts and mechanistic insights into each of the selected reactions. The in-depth discussion presented here should stimulate further development of the field, including the design of new photoactivation modalities, the continuous expansion of λ-orthogonal tandem photoclick chemistry, and the innovative use of these unique tools in bioconjugation and nanomaterial synthesis.
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