Please use this identifier to cite or link to this item:
|Title:||Tertiary amine mediated aerobic oxidation of sulfides into sulfoxides by visible-light photoredox catalysis on TiO2||Authors:||Lang, Xianjun
Leow, Wan Ru
|Keywords:||DRNTU::Engineering::Materials::Functional materials||Issue Date:||2015||Source:||Lang, X., Hao, W., Leow, W. R., Li, S., Zhao, J., & Chen, X. (2015). Tertiary amine mediated aerobic oxidation of sulfides into sulfoxides by visible-light photoredox catalysis on TiO2. Chemical Science, 6(8), 5000-5005.||Series/Report no.:||Chemical Science||Abstract:||The selective oxidation of sulfides into sulfoxides receives much attention due to industrial and biological applications. However, the realization of this reaction with molecular oxygen at room temperature, which is of importance towards green and sustainable chemistry, remains challenging. Herein, we develop a strategy to achieve the aerobic oxidation of sulfides into sulfoxides by exploring the synergy between a tertiary amine and titanium dioxide via visible-light photoredox catalysis. Specifically, titanium dioxide can interact with triethylamine (TEA) to form a visible-light harvesting surface complex, preluding the ensuing selective redox reaction. Moreover, TEA, whose stability was demonstrated by a turnover number of 32, plays a critical role as a redox mediator by shuttling electrons during the oxidation of sulfide. This work suggests that the addition of a redox mediator is highly functional in establishing visible-light-induced reactions via heterogeneous photoredox catalysis.||URI:||https://hdl.handle.net/10356/102888
|DOI:||10.1039/C5SC01813G||Rights:||© 2015 The Royal Society of Chemistry. This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.||Fulltext Permission:||open||Fulltext Availability:||With Fulltext|
|Appears in Collections:||MSE Journal Articles|
Items in DR-NTU are protected by copyright, with all rights reserved, unless otherwise indicated.