Synthesis of Optically Active [3.3](3,9)Carbazolophane Derivatives and Their Chiroptical Properties

Cyclization reaction between carbazole-dibromide and chiral primary amine affords optically active partially overlapped and fully overlapped carbazolophanes, which are separated by standard experimental procedures. Chiroptical properties of carbazolophane derivatives have been investigated by circul...

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Bibliographic Details
Published in:Chemistry letters 2023-11, Vol.52 (11), p.858-860
Main Authors: Tani, Keita, Ueno, Kako, Masaki, Miyuki E, Taneda, Masatsugu, Hori, Kazushige, Kubono, Koji, Goto, Kenta, Tani, Fumito, Kashiwagi, Yukiyasu, Harada, Takunori
Format: Article
Language:English
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Summary:Cyclization reaction between carbazole-dibromide and chiral primary amine affords optically active partially overlapped and fully overlapped carbazolophanes, which are separated by standard experimental procedures. Chiroptical properties of carbazolophane derivatives have been investigated by circular dichroism and circularly polarized luminescence spectra. Luminescence dissymmetry factor (|glum|) values of partially overlapped carbazolophanes are 9 × 10−3, which are as large as small organic molecules.
ISSN:0366-7022
1348-0715
DOI:10.1246/cl.230349