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Front Cover: Diazadibora[1.1.1.1] m , p , m , p ‐cyclophanes: Ambipolar Conjugated Macrocycles with Different B–π–N Embedded Patterns (Chem. Asian J. 7/2018)
Author(s) -
Ito Akihiro,
Uebe Masashi,
Kurata Ryohei,
Yano Soichiro,
Fueno Hiroyuki,
Matsumoto Takashi
Publication year - 2018
Publication title -
chemistry – an asian journal
Language(s) - English
Resource type - Reports
SCImago Journal Rank - 1.18
H-Index - 106
eISSN - 1861-471X
pISSN - 1861-4728
DOI - 10.1002/asia.201800140
Subject(s) - ambipolar diffusion , intramolecular force , conjugated system , crystallography , boron , chemistry , stereochemistry , materials science , polymer chemistry , physics , organic chemistry , polymer , electron , quantum mechanics
Are different B (boron)–π–N (nitrogen) embedded patterns resulting in different (opto)electronic properties for the same macrocyclic molecular backbone? To address this question, a series of B–π–N embedded alternate‐ meta ‐ para ‐linked cyclophanes 1 – 3 have been prepared and characterized as a new class of ambipolar π‐conjugated B–π–N macrocycles. The answer to the opening question was found to be yes. The results revealed an intramolecular charge transfer in the oxidized states of the macrocycles and intriguing photophysical properties in accordance with the embedded patterns, suggesting that the electronic structures are tunable by introducing multiple B–π–N moieties. More information can be found in the Communication by Akihiro Ito, Hiroyuki Fueno et al. on page 754 in Issue 7, 2018 (DOI: 10.1002/asia.201701717).