226-06-2Relevant academic research and scientific papers
Selective Synthesis of Diverse Heterocycles via Metal-Free Oxidative Coupling of beta-Tetralone and Nitrogen Nucleophiles
Deng, Guo-Jun,Huang, Huawen,Jiang, Shuxin,Li, Rong,Shao, Wen,Wang, Shuowen
supporting information, (2022/03/15)
A mild procedure for the selective preparation of diverse heterocycles (such as quinoxaline, phenazine, phenothiazine, etc.) from beta-tetralones and nitrogen nucleophiles under metal-free conditions has been developed. The iodine reagents played an important role in the selectivity control of condensation and dehydrogenative aromatization cascade processes. These reaction conditions tolerate a wide range of functional groups and apply to oxidation-sensitive nitrogen nucleophiles. (Figure presented.).
Multistage Stimulus-Responsive Room Temperature Phosphorescence Based on Host–Guest Doping Systems
Che, Weilong,Fang, Manman,Gao, Mingxue,Li, Xiaoning,Li, Zhen,Liu, Zhenjiang,Tian, Yu,Yang, Jie
supporting information, p. 20259 - 20263 (2021/08/09)
Compared with inorganic long-lasting luminescent materials, organic room temperature phosphorescent (RTP) ones show several advantages, such as flexibility, transparency, solubility and color adjustability. However, organic RTP materials close to commerci
Organic room temperature phosphorescent material with multiple stimulus response and preparation method and application thereof
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Paragraph 0073-0075, (2021/12/07)
The invention discloses an organic room temperature phosphorescent material with multiple stimulus responses and a preparation method and application thereof. The room-temperature phosphorescent material mainly comprises triphenylphosphonium oxygen and a
Phenothiazine Scope: Steric Strain Induced Planarization and Excimer Formation
Chen, Deng-Gao,Chen, Yi,Wu, Cheng-Ham,Chen, Yi-An,Chen, Meng-Chi,Lin, Jia-An,Huang, Chun-Ying,Su, Jianhua,Tian, He,Chou, Pi-Tai
supporting information, p. 13297 - 13301 (2019/08/20)
Phenothiazine derivatives based on the 10-phenyl-10H-phenothiazine (NAS) chromophore, namely 7-phenyl-7H-benzo[c]phenothiazine (NAS-1) and 12-phenyl-12H-benzo[a]phenothiazine (NAS-2), were designed and synthesized. NAS-1 and NAS-2 are constitutional isomers with different steric strains imposed on the phenothiazine core moiety. In solution, the more-strained NAS-2 possesses a bent structure and undergoes photoinduced structural planarization (PISP). In the crystal, despite the absence of PISP, bent NAS-2 exhibits prominent excimer emission as well as emission mechanochromism, which is not observed in the planar-like NAS and NAS-1. This unconventional observation results from the bent core structure facilitating π–π stacking of the peripheral naphthalene moieties. Two-photon-coupled depth-dependent emission shows spectral differences between the surface and kernel of the NAS-2 crystal, and is believed to be a general phenomenon, at least in part, for materials exhibiting emission mechanochromism.
