Helical chirality of azobenzenes induced by an intramolecular chiral axis and potential as chiroptical switches

  • Takaishi K
  • Kawamoto M
  • Tsubaki K
 et al. 
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Abstract

Let's do the twist! Helical chirality of cis-azobenzene moieties, (P) or (M), was induced and unified by intramolecular axial chirality (see scheme). The twist direction depended on the axial chirality and the azobenzene link position of binaphthyls, but was independent of substituted groups. Moreover, these dyads were useful as chiroptical switches.

Author-supplied keywords

  • azo compounds
  • binaphthyl
  • chirality
  • isomerization
  • photochromism

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