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Bent‐Core Mesogens with Branched Carbosilane Termini: Flipping Suprastructural Chirality without Reversing Polarity
Author(s) -
Zhang Yongqiang,
O'Callaghan Michael J.,
Baumeister Ute,
Tschierske Carsten
Publication year - 2008
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.200800814
Subject(s) - polarity (international relations) , chirality (physics) , mesogen , reversing , bent molecular geometry , core (optical fiber) , supramolecular chirality , field (mathematics) , enantiomer , stereochemistry , nanotechnology , computer science , crystallography , chemistry , liquid crystal , physics , materials science , optics , mathematics , supramolecular chemistry , organic chemistry , quantum mechanics , liquid crystalline , pure mathematics , crystal structure , cell , chiral symmetry breaking , composite material , quark , biochemistry , nambu–jona lasinio model
Back flip: Field‐induced transformations between the two homogeneously chiral enantiomers of a bent‐core mesogen (see picture) take place by two different mechanisms (A and B). Their combination leads to an unexpected field‐induced chirality flipping (C) between the oppositely tilted structures without polarity reversal.