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Updated: May 23, 2025

Preparation of Stable Bicyclic Aziridinium Ions and Their Ring-Opening for the Synthesis of Azaheterocycles
Published on: August 22, 2018
Orthogonal Synthesis of Cationic Azatriphenylene Derivatives for Aggregation-Induced Emission (AIE) and
Yushi Ohno1, Tsukasa Ehara1, Kosuke Sato1
1Department of Chemical Science and Engineering, School of Materials and Chemical Technology, Institute of Science Tokyo, 4259 Nagatsuta-cho, Midori-ku, Yokohama, Kanagawa 226-8501, Japan.
Abstract:
Herein, we report a divergent synthesis of cationic azatriphenylene derivatives using orthogonal control of thermal and electro-oxidative pyridination, which transforms the single precursor into controlled products with perfect selectivity. Simultaneously, two switchable reactions afford the corresponding pyridinium salts with different optical properties such as aggregation-induced emission (AIE) and aggregation-caused quenching (ACQ) effects.
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