47135-83-1Relevant articles and documents
Ring-Expansion Strategy for α-Aryl Azahelicene Construction: Building Blocks for Optoelectronic Materials
Chao, Zengyin,Feng, Jia,Gu, Zhenhua,Hong, Biqiong,Wang, Limin,Xue, Xiaoping
supporting information, p. 8056 - 8061 (2021/10/25)
An acid-mediated rapid synthesis of α-aryl azahelicenes via C-C bond cleavage of helical 9H-fluoren-9-ols is reported. The newly introduced aryl ring and pyridine moieties provide an excellent opportunity to further tune the properties of azahelicences: i.e., photoluminescence. The novel α-aryl azahelicenes showcase high circularly polarized luminescence (CPL) efficiencies (4.5 × 10-3) as well as CPL brightness (BCPL), reaching 7.39 M-1 cm-1, which indicates a potential application as chiral emitters.
Synthesis of phenanthridines through iodine-supported intramolecular C-H amination and oxidation under visible light
Chen, Xuenian,Ma, Yan-Na,Gao, Yan,Jing, Yi,Li, Lixin,Zhang, Jie
, p. 12187 - 12198 (2020/11/10)
Herein, we report a metal-free and step-economic synthesis of phenanthridines from 2-biarylmethanamines under mild conditions. The reaction involves iodine-supported intramolecular C-H amination and oxidation of 5,6-dihydrophenanthridine under air and benign visible light. The mechanism study reveals that visible light plays a key role in both these steps.
Synthesis of phenanthridines by I2-mediated sp3C-H amination
Chang, Junbiao,Fang, Benyao,Hou, Jiao,Tian, Jinyue,Yu, Wenquan
, p. 3312 - 3323 (2020/05/14)
An I2-mediated synthesis of phenanthridinesviaintramolecular sp3C-H amination of readily accessible aniline precursors is reported. The present synthetic process is straightforward and applicable to a broad variety of unprotected ani
