Issue 20, 2019

Optically active and photoswitchable Tröger's base analogs

Abstract

The enantiomer separation of a chiral Tröger's base analog and its use, as an optically active building block, in the construction of molecular superstructures are presented. Various strategies are illustrated here for the attachment of azo photoswitches to the Tröger's base scaffold without racemizing its stereogenic centers. The resulting optically active photoswitches introduced chirality, thermochromic, and phototunable properties to an achiral liquid crystal host. The doped mesophases reflected specific wavelengths of light owing to the formation of self-organized helical superstructures. These observations illustrate the potential use of the presented products as liquid crystal dopants.

Graphical abstract: Optically active and photoswitchable Tröger's base analogs

Supplementary files

Article information

Article type
Paper
Submitted
16 Mar 2019
Accepted
29 Apr 2019
First published
07 May 2019

New J. Chem., 2019,43, 7751-7755

Optically active and photoswitchable Tröger's base analogs

M. Kazem-Rostami, New J. Chem., 2019, 43, 7751 DOI: 10.1039/C9NJ01372E

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