Large-Scale Synthesis of Helicene-Like Molecules for the Design of Enantiopure Thin Films with Strong Chiroptical Activity

Chemistry : a European Journal
Amina Bensalah-LedouxLaure Guy

Abstract

Helicenes are fascinating molecules owing to their unusual properties and applications in many fields from catalysis to organic electronics. Herein, we report a straightforward pathway for the synthesis of helicene-like molecules on a gram scale in an enantiopure form. Thin-film materials with good propagating optical properties and very high chiroptical responses have been grown by using pulsed laser ablation without altering the structure or the enantiopurity of the molecules. Moreover, electronic and vibrational circular dichroism spectroscopies coupled with theoretical calculations enabled some dependences of the chiroptical properties with the structure to be highlighted, for example, effects of rigidification, aromatization, or the state of matter (liquid versus solid).

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Citations

Apr 6, 2019·Physical Chemistry Chemical Physics : PCCP·Emilian Tuca, Irina Paci
Mar 12, 2019·European Journal of Organic Chemistry·Riddhi GuptaAshutosh V Bedekar
Jun 22, 2018·Nature Communications·Matthias SchulzManuela Schiek
Sep 8, 2020·Chemical Reviews·Gianluigi AlbanoLorenzo Di Bari
May 3, 2019·The Journal of Organic Chemistry·Christian MertenNora M Kreienborg
Aug 10, 2019·The Journal of Organic Chemistry·Laure GuyStéphan Guy
May 3, 2019·The Journal of Physical Chemistry. a·Tal Aharon, Marco Caricato

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