Fig. 10.3 (Top): Azabora[5]helicenes with different substituents. (Middle): ECD spectra of compounds with X ¼ H (left), X ¼ OMe (middle), and X ¼ NMe 2 (right). (Bottom): corresponding CPL
spectra. The red spectra correspond to the P-isomer and the black spectra to the M-isomer (see Ref.
[42])
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