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Synfacts 2006(5): 0448-0448  
DOI: 10.1055/s-2006-934377
Synthesis of Materials and Unnatural Products
© Georg Thieme Verlag Stuttgart · New York

Light-Induced Chirality in a Liquid Crystal

Contributor(s): Timothy M. Swager, Jean Bouffard
S.-W. Choi, T. Izumi, Y. Hoshino, Y. Takanishi, K. Ishikawa, J. Watanabe, H. Takezoe*
Tokyo Institute of Technology, Japan
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Publikationsdatum:
21. April 2006 (online)

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Significance

Upon irradiation of the bent-shaped mesogen with circular polarized light (CPL) in resonance with the azo group absorption, uniform chiral liquid crystalline phase domains of a given handedness are reversibly obtained. CPL stimulation achieves very large ee values (up to ca. 100%) of either enantiomer by this nucleated photoresolution.