《Acceptor-density engineering of push-pull typed carbazole derivatives for improving luminescent efficiency and mechanoresponsive luminescence》 was published in Journal of Luminescence in 2020. These research results belong to Li, Jie; Yin, Xiangkai; Xia, Yan; Fan, Congcong; Xie, Jingjuan; Wu, Yuling; Guo, Kunpeng. Application of 6825-20-3 The article mentions the following:
Improving luminous efficiency and mechanoresponsive luminescent (MRL) performance are significant issues in developing functional fluorescent materials. Herein, three push-pull typed carbazole derivatives with similar building blocks but differing in 2-vinylphenylmalononitrile acceptor numbers form mono- (m-VPMCz) to bis- (b-VPMCz) and tetra- (t-VPMCz) were designed and synthesized. Their luminescent properties in solution and aggregate states, as well as MRL performance were investigated. It was demonstrated that t-VPMCz with the highest acceptor-d. and a highly twisted configuration achieved the highest luminescent efficiency in both solution and aggregation. B-VPMCz adopting a moderately twisted structure with two acceptor units exhibited the most remarkable MRL performance accompanied with the most distinct phase transition upon grinding. Our results suggest that rational control over the acceptor-d. on push-pull typed mols. would be a promising way for realizing advanced functional fluorescent materials. The experimental process involved the reaction of 3,6-Dibromo-9H-carbazole(cas: 6825-20-3Application of 6825-20-3)
3,6-Dibromo-9H-carbazole(cas: 6825-20-3) is used as a reagent in the synthesis of P7C3-A20 which is a potent neuroprotective agent. And it has been used in the preparation of N-(2-hydroxyethyl)-3,6-dibromocarbazole.Application of 6825-20-3
Referemce:
Bromide – Wikipedia,
bromide – Wiktionary