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Article . 2023
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Chirality
Article . 2023 . Peer-reviewed
License: Wiley Online Library User Agreement
Data sources: Crossref
Chirality
Article . 2023
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DNA‐induced circularly polarized luminescence of helicene racemates

Authors: Fuwei Gan; Peng Yang; Juncong Liang; Chengshuo Shen; Jeanne Crassous; Huibin Qiu;

DNA‐induced circularly polarized luminescence of helicene racemates

Abstract

AbstractEnantiopure helicenes have been extensively investigated due to their outstanding chiroptical properties, while helicene racemates are considered as chiroptically silent. Here, we describe a facile method to produce circularly polarized luminescence (CPL) from helicene racemates via supramolecular association with DNA in aqueous solution. Racemic cationic helicene derivatives are immobilized in the grooves of commercially available double‐stranded right‐handed DNA, and the discrimination of left‐ and right‐handed helicenes by chiral DNA is monitored by single molecule force spectroscopy. This subsequently leads to the generation of prominent CPL with dissymmetric factor |glum| of close to 0.01, which is approximate to enantiopure helicenes. The strategy developed in this work avoids the tedious and expensive chiral resolution process and provides a distinctive insight into the fabrication of CPL‐emitting systems.

Country
France
Keywords

Luminescence, [CHIM] Chemical Sciences, single molecular force spectroscopy, circularly polarized luminescence, Stereoisomerism, Polycyclic Compounds, DNA, helicene

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    influence
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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
6
Top 10%
Average
Top 10%
Green