Azo-pyrene–based fluorescent sensor of reductive cleavage of isomeric azo functional group

Joo, Han Na; Le, Binh Huy; Seo, Young Jun

doi:10.1016/j.tetlet.2017.01.017

Cited by 7 publications

(1 citation statement)

References 19 publications

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“…Azo compounds usually refer to compounds containing -N=N- double bond, which can be divided into aryl azo compounds and alkyl azo compounds depending on the substituents on the -N=N- double bonds, as well as symmetrical and asymmetrical azo compounds from the point of view of structure. Azo compounds date back to 1859, and the high reactivity of -N=N- double bonds endow azo compounds with wide applications in many fields such as organic dyes, radical reaction initiators, and so on [ 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 , 10 , 11 , 12 , 13 , 14 , 15 , 16 , 17 , 18 , 19 , 20 , 21 , 22 , 23 , 24 , 25 , 26 , 27 , 28 , 29 , 30 , 31 , 32 ]. On the other hand, azo compounds have cis and trans isomers, which can convert to each other under light irradiation or heating, as was discovered as early as 1937.…”

Section: Introductionmentioning

confidence: 99%

Recent Advances in the Synthesis of Aromatic Azo Compounds

Zhao,

Tang,

Han

2023

Molecules

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Aromatic azo compounds have -N=N- double bonds as well as a larger π electron conjugation system, which endows aromatic azo compounds with wide applications in the fields of functional materials. The properties of aromatic azo compounds are closely related to the substituents on their aromatic rings. However, traditional synthesis methods, such as the coupling of diazo salts, have a significant limitation with respect to the structural design of aromatic azo compounds. Therefore, many scientists have devoted their efforts to developing new synthetic methods. Moreover, recent advances in the synthesis of aromatic azo compounds have led to improvements in the design and preparation of light-response materials at the molecular level. This review summarizes the important synthetic progress of aromatic azo compounds in recent years, with an emphasis on the pioneering contribution of functional nanomaterials to the field.

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Section: Introductionmentioning

confidence: 99%

Recent Advances in the Synthesis of Aromatic Azo Compounds

Zhao,

Tang,

Han

2023

Molecules

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Azo‐Based Fluorogenic Probes for Biosensing and Bioimaging: Recent Advances and Upcoming Challenges

Chevalier

Renard

Romieu

2017

Chemistry An Asian Journal

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The use of nonfluorescent azo dyes as dark quenchers in activatable optical bioprobes based on the Förster resonance energy transfer (FRET) mechanism and designed to target a wide range of enzymes has been established for over two decades. The key value of the azo moiety (-N=N-) to act as an efficient "ON-OFF" switch of fluorescence once introduced within the core structure of conventional organic-based fluorophores (mainly fluorescent aniline derivatives) has recently been exploited in the development of alternative reaction-based small-molecule probes based on the "profluorescence" concept. These unprecedented "azobenzene-caged" fluorophores are valuable tools for the detection of a wide range of reactive (bio)analytes. This review highlights the most recent and relevant advances made in the design and biosensing/bioimaging applications of azo-based fluorogenic probes. Emphasis is also placed on relevant achievements in the synthesis of bioconjugatable/biocompatible azo dyes used as starting building blocks in the rational and rapid construction of these fluorescent chemodosimeters. Finally, a brief glimpse of possible future biomedical applications (theranostics) of these "smart" azobenzene-based molecular systems is presented.

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Twisted pyrene with perfect hetero atomic cavity optical sensor for Hg22+ and Pb2+

Muthukumar

Iyer

2020

Inorganic Chemistry Communications

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Azo-pyrene–based fluorescent sensor of reductive cleavage of isomeric azo functional group

Cited by 7 publications

References 19 publications

Recent Advances in the Synthesis of Aromatic Azo Compounds

Recent Advances in the Synthesis of Aromatic Azo Compounds

Azo‐Based Fluorogenic Probes for Biosensing and Bioimaging: Recent Advances and Upcoming Challenges

Twisted pyrene with perfect hetero atomic cavity optical sensor for Hg22+ and Pb2+

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