The Chirality Induction and Modulation of Polymers by Circularly Polarized Light
The Chirality Induction and Modulation of Polymers by Circularly Polarized Light
复制标题
圆偏振光对聚合物的手性诱导和调制
DOI:
10.3390/sym11040474
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发表时间:
2019-04
期刊:
影响因子:
2.7
通讯作者:
Gang Zou
中科院分区:
文献类型:
--
作者:
Guang Yang;Siyu Zhang;Jingang Hu;Michiya Fujiki;Gang Zou
Chirality is a natural attribute nature of living matter and plays an important role in maintaining the metabolism, evolution and functional activities of living organisms. Asymmetric conformation represents the chiral structure of biomacromolecules in living organisms on earth, such as the L-amino acids of proteins and enzymes, and the D-sugars of DNA or RNA, which exist preferentially as one enantiomer. Circularly polarized light (CPL), observed in the formation regions of the Orion constellation, has long been proposed as one of the origins of single chirality. Herein, the CPL triggered asymmetric polymerization, photo-modulation of chirality based on polymers are described. The mechanisms between CPL and polymers (including polydiacetylene, azobenzene polymers, chiral coordination polymers, and polyfluorene) are described in detail. This minireview provides a promising flexible asymmetric synthesis method for the fabrication of chiral polymer via CPL irradiation, with the hope of obtaining a better understanding of the origin of homochirality on earth.
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