Intense chirality induction in nitrile solvents by a helquat dye monitored by near resonance Raman scattering

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61388963%3A_____%2F16%3A00461208" target="_blank" >RIV/61388963:_____/16:00461208 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/00216208:11310/16:10324332

Výsledek na webu

<a href="http://pubs.rsc.org/en/content/articlehtml/2016/cc/c6cc01606e" target="_blank" >http://pubs.rsc.org/en/content/articlehtml/2016/cc/c6cc01606e</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1039/c6cc01606e" target="_blank" >10.1039/c6cc01606e</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Intense chirality induction in nitrile solvents by a helquat dye monitored by near resonance Raman scattering

Popis výsledku v původním jazyce

Chirality induction phenomena attract attention because of their relevance to intermolecular interactions encountered in living matter. Usually, such effects are weak. However, enantiomers of a [6]helquat dye were found to induce exceptionally strong chirality in several achiral solvents containing nitrile groups. This effect was observable as an intense Raman optical activity (ROA) induced in acetonitrile, acetonitrile-d(3), and liquid hydrogen cyanide solvents. The observation was verified by measurement of both helquat enantiomers which provided mirror image ROA spectra. Theoretical analysis indicated that the 532 nm laser excitation light was in a near resonance with electronic transitions of the dye, which made the effect observable in very dilute solutions (1 : 200000 helquat to nitrile ratio) and thus the phenomenon can be generally useful in analytical chemistry.

Název v anglickém jazyce

Intense chirality induction in nitrile solvents by a helquat dye monitored by near resonance Raman scattering

Popis výsledku anglicky

Chirality induction phenomena attract attention because of their relevance to intermolecular interactions encountered in living matter. Usually, such effects are weak. However, enantiomers of a [6]helquat dye were found to induce exceptionally strong chirality in several achiral solvents containing nitrile groups. This effect was observable as an intense Raman optical activity (ROA) induced in acetonitrile, acetonitrile-d(3), and liquid hydrogen cyanide solvents. The observation was verified by measurement of both helquat enantiomers which provided mirror image ROA spectra. Theoretical analysis indicated that the 532 nm laser excitation light was in a near resonance with electronic transitions of the dye, which made the effect observable in very dilute solutions (1 : 200000 helquat to nitrile ratio) and thus the phenomenon can be generally useful in analytical chemistry.

Druh

J_x - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)

CEP obor

CC - Organická chemie

OECD FORD obor

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Projekt

Výsledek vznikl pri realizaci vícero projektů. Více informací v záložce Projekty.

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2016

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Chemical Communications

ISSN

1359-7345

e-ISSN

—

Svazek periodika

52

Číslo periodika v rámci svazku

37

Stát vydavatele periodika

GB - Spojené království Velké Británie a Severního Irska

Počet stran výsledku

4

Strana od-do

6257-6260

Kód UT WoS článku

000375620400010

EID výsledku v databázi Scopus

2-s2.0-84968719030