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互变异构光开关：阴离子辅助的偶氮/嗪到腙的光致变色

Tautomeric photoswitches: anion-assisted azo/azine-to-hydrazone photochromism.

作者信息

Filo Juraj, Tisovský Pavol, Csicsai Klaudia, Donovalová Jana, Gáplovský Martin, Gáplovský Anton, Cigáň Marek

机构信息

Institute of Chemistry, Faculty of Natural Sciences, Comenius University Ilkovičova 6 SK-842 15 Bratislava Slovakia

Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Comenius University Odbojárov 10 SK-832 32 Bratislava Slovakia.

出版信息

RSC Adv. 2019 May 21;9(28):15910-15916. doi: 10.1039/c9ra02906k. eCollection 2019 May 20.

DOI:10.1039/c9ra02906k
PMID:35521389
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9064339/
Abstract

The photoswitching properties of two easily synthesized isatin 4-nitrophenylhydrazones were investigated. Although the parent isatin 4-nitrophenylhydrazones exhibit low addressability which hampers their photochromic applications, the addition of strongly basic anions to phenylhydrazone solutions creates a new Vis-Vis photochromic system with the unusual azo/azine-to-hydrazone photo-tautomerization process as the photoswitching mechanism. To the best of our knowledge, this is the first report related to the anion-assisted azo/azine-to-hydrazone photo-tautomerism.

摘要

研究了两种易于合成的异吲哚酮4-硝基苯腙的光开关特性。尽管母体异吲哚酮4-硝基苯腙表现出较低的可寻址性，这阻碍了它们的光致变色应用，但向苯腙溶液中添加强碱性阴离子会产生一种新的可见-可见（Vis-Vis）光致变色体系，其光开关机制为不寻常的偶氮/嗪到腙的光互变异构过程。据我们所知，这是第一篇与阴离子辅助的偶氮/嗪到腙的光互变异构相关的报道。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6a55/9064339/9c5d4fc3d136/c9ra02906k-f7.jpg
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